fix: Resolve test isolation and mypy type checking issues.

- Fix test_database_service.py fixture using wrong attribute name (_db_path instead of _database_path)
- Add proper SQLAlchemy imports (and_, desc) for type-safe query construction
- Replace .desc() method calls with desc() function and col() wrapper
- Fix join condition to use and_() instead of boolean operators
- Fix tuple access in select queries with multiple columns
- All 109 tests passing, mypy clean, no regressions

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ "main", "dev" ]
+    branches: ["main", "dev"]
   pull_request:
-    branches: [ "main", "dev" ]
+    branches: ["main", "dev"]
 
 jobs:
   test-python:
@@ -43,8 +43,8 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
-          cache: 'npm'
+          node-version: "20"
+          cache: "npm"
           cache-dependency-path: frontend/package-lock.json
 
       - name: Install dependencies

.mcp.json

@@ -2,16 +2,11 @@
   "mcpServers": {
     "shadcn": {
       "command": "npx",
-      "args": [
-        "shadcn@latest",
-        "mcp"
-      ]
+      "args": ["shadcn@latest", "mcp"]
     },
     "playwright": {
       "command": "npx",
-      "args": [
-        "@playwright/mcp@latest"
-      ]
+      "args": ["@playwright/mcp@latest"]
     }
   }
 }

CHANGELOG.md

@@ -1,4 +1,48 @@
 
+## 2025.9.26 (2025/09/30)
+
+### Debug
+
+-  Log different sets of GoCardless rate limits. ([8802d247](https://github.com/elisiariocouto/leggen/commit/8802d24789cbb8e854d857a0d7cc89a25a26f378))
+
+
+
+## 2025.9.25 (2025/09/30)
+
+### Bug Fixes
+
+- **api:** Fix S3 backup path-style configuration and improve UX. ([22ec0e36](https://github.com/elisiariocouto/leggen/commit/22ec0e36b11e5b017075bee51de0423a53ec4648))
+
+
+### Features
+
+- **api:** Add S3 backup functionality to backend ([7f2a4634](https://github.com/elisiariocouto/leggen/commit/7f2a4634c51814b6785433a25ce42d20aea0558c))
+- **frontend:** Add S3 backup UI and complete backup functionality ([01229130](https://github.com/elisiariocouto/leggen/commit/0122913052793bcbf011cb557ef182be21c5de93))
+- **frontend:** Add ability to list backups and create a backup on demand. ([473f126d](https://github.com/elisiariocouto/leggen/commit/473f126d3e699521172539f2ca0bff0579ccee51))
+
+
+### Miscellaneous Tasks
+
+-  Log more rate limit headers. ([d36568da](https://github.com/elisiariocouto/leggen/commit/d36568da540d4fb4ae1fa10b322a3fa77dcc5360))
+
+
+
+## 2025.9.24 (2025/09/25)
+
+### Features
+
+- **frontend:** Add comprehensive bank account management system. ([ef7c026d](https://github.com/elisiariocouto/leggen/commit/ef7c026db9911cc3be8d5f48e42a4d7beb4b9d0a))
+
+
+
+## 2025.9.24 (2025/09/25)
+
+### Features
+
+- **frontend:** Add comprehensive bank account management system. ([ef7c026d](https://github.com/elisiariocouto/leggen/commit/ef7c026db9911cc3be8d5f48e42a4d7beb4b9d0a))
+
+
+
 ## 2025.9.23 (2025/09/24)
 
 ### Bug Fixes

alembic.ini

@@ -0,0 +1,148 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts.
+# this is typically a path given in POSIX (e.g. forward slashes)
+# format, relative to the token %(here)s which refers to the location of this
+# ini file
+script_location = %(here)s/alembic
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
+# for all available tokens
+# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.  for multiple paths, the path separator
+# is defined by "path_separator" below.
+prepend_sys_path = .
+
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python>=3.9 or backports.zoneinfo library and tzdata library.
+# Any required deps can installed by adding `alembic[tz]` to the pip requirements
+# string value is passed to ZoneInfo()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; This defaults
+# to <script_location>/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "path_separator"
+# below.
+# version_locations = %(here)s/bar:%(here)s/bat:%(here)s/alembic/versions
+
+# path_separator; This indicates what character is used to split lists of file
+# paths, including version_locations and prepend_sys_path within configparser
+# files such as alembic.ini.
+# The default rendered in new alembic.ini files is "os", which uses os.pathsep
+# to provide os-dependent path splitting.
+#
+# Note that in order to support legacy alembic.ini files, this default does NOT
+# take place if path_separator is not present in alembic.ini.  If this
+# option is omitted entirely, fallback logic is as follows:
+#
+# 1. Parsing of the version_locations option falls back to using the legacy
+#    "version_path_separator" key, which if absent then falls back to the legacy
+#    behavior of splitting on spaces and/or commas.
+# 2. Parsing of the prepend_sys_path option falls back to the legacy
+#    behavior of splitting on spaces, commas, or colons.
+#
+# Valid values for path_separator are:
+#
+# path_separator = :
+# path_separator = ;
+# path_separator = space
+# path_separator = newline
+#
+# Use os.pathsep. Default configuration used for new projects.
+path_separator = os
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# database URL.  This is consumed by the user-maintained env.py script only.
+# other means of configuring database URLs may be customized within the env.py
+# file.
+# Note: The actual URL is configured programmatically in env.py
+# sqlalchemy.url = driver://user:pass@localhost/dbname
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# lint with attempts to fix using "ruff" - use the module runner, against the "ruff" module
+# hooks = ruff
+# ruff.type = module
+# ruff.module = ruff
+# ruff.options = check --fix REVISION_SCRIPT_FILENAME
+
+# Alternatively, use the exec runner to execute a binary found on your PATH
+# hooks = ruff
+# ruff.type = exec
+# ruff.executable = ruff
+# ruff.options = check --fix REVISION_SCRIPT_FILENAME
+
+# Logging configuration.  This is also consumed by the user-maintained
+# env.py script only.
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARNING
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARNING
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

alembic/README

@@ -0,0 +1 @@
+Generic single-database configuration.

alembic/env.py

@@ -0,0 +1,78 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config, pool
+
+from alembic import context
+from leggen.models.database import SQLModel
+from leggen.services.database import get_database_url
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Set the database URL from our configuration
+config.set_main_option("sqlalchemy.url", get_database_url())
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+target_metadata = SQLModel.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

alembic/script.py.mako

@@ -0,0 +1,28 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    ${downgrades if downgrades else "pass"}

alembic/versions/1ba02efe481c_migrate_to_composite_key.py

@@ -0,0 +1,102 @@
+"""migrate_to_composite_key
+
+Migrate transactions table to use composite primary key (accountId, transactionId).
+
+Revision ID: 1ba02efe481c
+Revises: bf30246cb723
+Create Date: 2025-09-30 23:16:34.637762
+
+"""
+
+from typing import Sequence, Union
+
+from sqlalchemy import text
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "1ba02efe481c"
+down_revision: Union[str, Sequence[str], None] = "bf30246cb723"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Migrate to composite primary key."""
+    conn = op.get_bind()
+
+    # Check if migration is needed
+    result = conn.execute(
+        text("""
+        SELECT name FROM sqlite_master
+        WHERE type='table' AND name='transactions'
+    """)
+    )
+
+    if not result.fetchone():
+        return
+
+    # Create temporary table with new schema
+    op.execute("""
+        CREATE TABLE transactions_temp (
+            accountId TEXT NOT NULL,
+            transactionId TEXT NOT NULL,
+            internalTransactionId TEXT,
+            institutionId TEXT NOT NULL,
+            iban TEXT,
+            transactionDate DATETIME,
+            description TEXT,
+            transactionValue REAL,
+            transactionCurrency TEXT,
+            transactionStatus TEXT,
+            rawTransaction JSON NOT NULL,
+            PRIMARY KEY (accountId, transactionId)
+        )
+    """)
+
+    # Insert deduplicated data (keep most recent duplicate)
+    op.execute("""
+        INSERT INTO transactions_temp
+        SELECT
+            accountId,
+            json_extract(rawTransaction, '$.transactionId') as transactionId,
+            internalTransactionId,
+            institutionId,
+            iban,
+            transactionDate,
+            description,
+            transactionValue,
+            transactionCurrency,
+            transactionStatus,
+            rawTransaction
+        FROM (
+            SELECT *,
+                   ROW_NUMBER() OVER (
+                       PARTITION BY accountId, json_extract(rawTransaction, '$.transactionId')
+                       ORDER BY transactionDate DESC, rowid DESC
+                   ) as rn
+            FROM transactions
+            WHERE json_extract(rawTransaction, '$.transactionId') IS NOT NULL
+            AND accountId IS NOT NULL
+        ) WHERE rn = 1
+    """)
+
+    # Replace tables
+    op.execute("DROP TABLE transactions")
+    op.execute("ALTER TABLE transactions_temp RENAME TO transactions")
+
+    # Recreate indexes
+    op.create_index(
+        "idx_transactions_internal_id", "transactions", ["internalTransactionId"]
+    )
+    op.create_index("idx_transactions_date", "transactions", ["transactionDate"])
+    op.create_index(
+        "idx_transactions_account_date",
+        "transactions",
+        ["accountId", "transactionDate"],
+    )
+    op.create_index("idx_transactions_amount", "transactions", ["transactionValue"])
+
+
+def downgrade() -> None:
+    """Not implemented - would require changing primary key back."""

alembic/versions/4819c868ebc1_add_transaction_enrichments_table.py

@@ -0,0 +1,56 @@
+"""add_transaction_enrichments_table
+
+Add transaction_enrichments table for storing enriched transaction data.
+
+Revision ID: 4819c868ebc1
+Revises: dd9f6a55604c
+Create Date: 2025-09-30 23:20:00.969614
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "4819c868ebc1"
+down_revision: Union[str, Sequence[str], None] = "dd9f6a55604c"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Create transaction_enrichments table."""
+    op.create_table(
+        "transaction_enrichments",
+        sa.Column("accountId", sa.String(), nullable=False),
+        sa.Column("transactionId", sa.String(), nullable=False),
+        sa.Column("clean_name", sa.String(), nullable=True),
+        sa.Column("category", sa.String(), nullable=True),
+        sa.Column("logo_url", sa.String(), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["accountId", "transactionId"],
+            ["transactions.accountId", "transactions.transactionId"],
+            ondelete="CASCADE",
+        ),
+        sa.PrimaryKeyConstraint("accountId", "transactionId"),
+    )
+
+    # Create indexes
+    op.create_index(
+        "idx_transaction_enrichments_category", "transaction_enrichments", ["category"]
+    )
+    op.create_index(
+        "idx_transaction_enrichments_clean_name",
+        "transaction_enrichments",
+        ["clean_name"],
+    )
+
+
+def downgrade() -> None:
+    """Drop transaction_enrichments table."""
+    op.drop_table("transaction_enrichments")

alembic/versions/be8d5807feca_add_display_name_column.py

@@ -0,0 +1,33 @@
+"""add_display_name_column
+
+Add display_name column to accounts table.
+
+Revision ID: be8d5807feca
+Revises: 1ba02efe481c
+Create Date: 2025-09-30 23:16:34.929968
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "be8d5807feca"
+down_revision: Union[str, Sequence[str], None] = "1ba02efe481c"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Add display_name column to accounts table."""
+    with op.batch_alter_table("accounts", schema=None) as batch_op:
+        batch_op.add_column(sa.Column("display_name", sa.String(), nullable=True))
+
+
+def downgrade() -> None:
+    """Remove display_name column."""
+    with op.batch_alter_table("accounts", schema=None) as batch_op:
+        batch_op.drop_column("display_name")

alembic/versions/bf30246cb723_migrate_balance_timestamps.py

@@ -0,0 +1,62 @@
+"""migrate_balance_timestamps
+
+Convert Unix timestamps to datetime strings in balances table.
+
+Revision ID: bf30246cb723
+Revises: de8bfb1169d4
+Create Date: 2025-09-30 23:14:03.128959
+
+"""
+
+from datetime import datetime
+from typing import Sequence, Union
+
+from sqlalchemy import text
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "bf30246cb723"
+down_revision: Union[str, Sequence[str], None] = "de8bfb1169d4"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Convert all Unix timestamps to datetime strings."""
+    conn = op.get_bind()
+
+    # Get all balances with REAL timestamps
+    result = conn.execute(
+        text("""
+        SELECT id, timestamp
+        FROM balances
+        WHERE typeof(timestamp) = 'real'
+        ORDER BY id
+    """)
+    )
+
+    unix_records = result.fetchall()
+
+    if not unix_records:
+        return
+
+    # Convert and update in batches
+    for record_id, unix_timestamp in unix_records:
+        try:
+            # Convert Unix timestamp to datetime string
+            dt_string = datetime.fromtimestamp(float(unix_timestamp)).isoformat()
+
+            # Update the record
+            conn.execute(
+                text("UPDATE balances SET timestamp = :dt WHERE id = :id"),
+                {"dt": dt_string, "id": record_id},
+            )
+        except Exception:
+            continue
+
+    conn.commit()
+
+
+def downgrade() -> None:
+    """Not implemented - converting back would lose precision."""

alembic/versions/dd9f6a55604c_add_logo_column.py

@@ -0,0 +1,33 @@
+"""add_logo_column
+
+Add logo column to accounts table.
+
+Revision ID: dd9f6a55604c
+Revises: f854fd498a6e
+Create Date: 2025-09-30 23:16:35.530858
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "dd9f6a55604c"
+down_revision: Union[str, Sequence[str], None] = "f854fd498a6e"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Add logo column to accounts table."""
+    with op.batch_alter_table("accounts", schema=None) as batch_op:
+        batch_op.add_column(sa.Column("logo", sa.String(), nullable=True))
+
+
+def downgrade() -> None:
+    """Remove logo column."""
+    with op.batch_alter_table("accounts", schema=None) as batch_op:
+        batch_op.drop_column("logo")

alembic/versions/de8bfb1169d4_create_initial_tables.py

@@ -0,0 +1,95 @@
+"""create_initial_tables
+
+Revision ID: de8bfb1169d4
+Revises:
+Create Date: 2025-09-30 23:09:24.255875
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "de8bfb1169d4"
+down_revision: Union[str, Sequence[str], None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Create initial database tables."""
+    # Create accounts table
+    op.create_table(
+        "accounts",
+        sa.Column("id", sa.String(), nullable=False),
+        sa.Column("institution_id", sa.String(), nullable=False),
+        sa.Column("status", sa.String(), nullable=False),
+        sa.Column("iban", sa.String(), nullable=True),
+        sa.Column("name", sa.String(), nullable=True),
+        sa.Column("currency", sa.String(), nullable=True),
+        sa.Column("created", sa.DateTime(), nullable=False),
+        sa.Column("last_accessed", sa.DateTime(), nullable=True),
+        sa.Column("last_updated", sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("idx_accounts_institution_id", "accounts", ["institution_id"])
+    op.create_index("idx_accounts_status", "accounts", ["status"])
+
+    # Create balances table
+    op.create_table(
+        "balances",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("account_id", sa.String(), nullable=False),
+        sa.Column("bank", sa.String(), nullable=False),
+        sa.Column("status", sa.String(), nullable=False),
+        sa.Column("iban", sa.String(), nullable=False),
+        sa.Column("amount", sa.Float(), nullable=False),
+        sa.Column("currency", sa.String(), nullable=False),
+        sa.Column("type", sa.String(), nullable=False),
+        sa.Column("timestamp", sa.DateTime(), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("idx_balances_account_id", "balances", ["account_id"])
+    op.create_index("idx_balances_timestamp", "balances", ["timestamp"])
+    op.create_index(
+        "idx_balances_account_type_timestamp",
+        "balances",
+        ["account_id", "type", "timestamp"],
+    )
+
+    # Create transactions table (old schema with internalTransactionId as PK)
+    op.create_table(
+        "transactions",
+        sa.Column("accountId", sa.String(), nullable=False),
+        sa.Column("transactionId", sa.String(), nullable=False),
+        sa.Column("internalTransactionId", sa.String(), nullable=True),
+        sa.Column("institutionId", sa.String(), nullable=False),
+        sa.Column("iban", sa.String(), nullable=True),
+        sa.Column("transactionDate", sa.DateTime(), nullable=True),
+        sa.Column("description", sa.String(), nullable=True),
+        sa.Column("transactionValue", sa.Float(), nullable=True),
+        sa.Column("transactionCurrency", sa.String(), nullable=True),
+        sa.Column("transactionStatus", sa.String(), nullable=True),
+        sa.Column("rawTransaction", sa.JSON(), nullable=False),
+        sa.PrimaryKeyConstraint("internalTransactionId"),
+    )
+    op.create_index(
+        "idx_transactions_internal_id", "transactions", ["internalTransactionId"]
+    )
+    op.create_index("idx_transactions_date", "transactions", ["transactionDate"])
+    op.create_index(
+        "idx_transactions_account_date",
+        "transactions",
+        ["accountId", "transactionDate"],
+    )
+    op.create_index("idx_transactions_amount", "transactions", ["transactionValue"])
+
+
+def downgrade() -> None:
+    """Drop initial tables."""
+    op.drop_table("transactions")
+    op.drop_table("balances")
+    op.drop_table("accounts")

alembic/versions/f854fd498a6e_add_sync_operations_table.py

@@ -0,0 +1,59 @@
+"""add_sync_operations_table
+
+Add sync_operations table for tracking synchronization operations.
+
+Revision ID: f854fd498a6e
+Revises: be8d5807feca
+Create Date: 2025-09-30 23:16:35.229062
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "f854fd498a6e"
+down_revision: Union[str, Sequence[str], None] = "be8d5807feca"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Create sync_operations table."""
+    op.create_table(
+        "sync_operations",
+        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column("started_at", sa.DateTime(), nullable=False),
+        sa.Column("completed_at", sa.DateTime(), nullable=True),
+        sa.Column("success", sa.Boolean(), nullable=True),
+        sa.Column(
+            "accounts_processed", sa.Integer(), nullable=False, server_default="0"
+        ),
+        sa.Column(
+            "transactions_added", sa.Integer(), nullable=False, server_default="0"
+        ),
+        sa.Column(
+            "transactions_updated", sa.Integer(), nullable=False, server_default="0"
+        ),
+        sa.Column("balances_updated", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("duration_seconds", sa.Float(), nullable=True),
+        sa.Column("errors", sa.String(), nullable=True),
+        sa.Column("logs", sa.String(), nullable=True),
+        sa.Column("trigger_type", sa.String(), nullable=False, server_default="manual"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+
+    # Create indexes
+    op.create_index("idx_sync_operations_started_at", "sync_operations", ["started_at"])
+    op.create_index("idx_sync_operations_success", "sync_operations", ["success"])
+    op.create_index(
+        "idx_sync_operations_trigger_type", "sync_operations", ["trigger_type"]
+    )
+
+
+def downgrade() -> None:
+    """Drop sync_operations table."""
+    op.drop_table("sync_operations")

config.example.toml

@@ -28,3 +28,13 @@ enabled = true
 [filters]
 case_insensitive = ["salary", "utility"]
 case_sensitive = ["SpecificStore"]
+
+# Optional: S3 backup configuration
+[backup.s3]
+access_key_id = "your-s3-access-key"
+secret_access_key = "your-s3-secret-key"
+bucket_name = "your-bucket-name"
+region = "us-east-1"
+# endpoint_url = "https://custom-s3-endpoint.com"  # Optional: for custom S3-compatible endpoints
+path_style = false  # Set to true for path-style addressing
+enabled = true

frontend/src/components/AccountSettings.tsx

@@ -202,8 +202,12 @@ export default function AccountSettings() {
                               alt={`${account.institution_id} logo`}
                               className="w-full h-full object-contain"
                               onError={() => {
-                                console.warn(`Failed to load bank logo for ${account.institution_id}: ${account.logo}`);
-                                setFailedImages(prev => new Set([...prev, account.id]));
+                                console.warn(
+                                  `Failed to load bank logo for ${account.institution_id}: ${account.logo}`,
+                                );
+                                setFailedImages(
+                                  (prev) => new Set([...prev, account.id]),
+                                );
                               }}
                             />
                           ) : (

frontend/src/components/AddBankAccountDrawer.tsx

@@ -0,0 +1,203 @@
+import { useState } from "react";
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { Plus, Building2, ExternalLink } from "lucide-react";
+import { apiClient } from "../lib/api";
+import { Button } from "./ui/button";
+import { Label } from "./ui/label";
+import {
+  Drawer,
+  DrawerClose,
+  DrawerContent,
+  DrawerDescription,
+  DrawerFooter,
+  DrawerHeader,
+  DrawerTitle,
+  DrawerTrigger,
+} from "./ui/drawer";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "./ui/select";
+import { Alert, AlertDescription } from "./ui/alert";
+
+export default function AddBankAccountDrawer() {
+  const [open, setOpen] = useState(false);
+  const [selectedCountry, setSelectedCountry] = useState<string>("");
+  const [selectedBank, setSelectedBank] = useState<string>("");
+
+  const { data: countries } = useQuery({
+    queryKey: ["supportedCountries"],
+    queryFn: apiClient.getSupportedCountries,
+  });
+
+  const { data: banks, isLoading: banksLoading } = useQuery({
+    queryKey: ["bankInstitutions", selectedCountry],
+    queryFn: () => apiClient.getBankInstitutions(selectedCountry),
+    enabled: !!selectedCountry,
+  });
+
+  const connectBankMutation = useMutation({
+    mutationFn: (institutionId: string) =>
+      apiClient.createBankConnection(institutionId),
+    onSuccess: (data) => {
+      // Redirect to the bank's authorization link
+      if (data.link) {
+        window.open(data.link, "_blank");
+        setOpen(false);
+      }
+    },
+    onError: (error) => {
+      console.error("Failed to create bank connection:", error);
+    },
+  });
+
+  const handleCountryChange = (country: string) => {
+    setSelectedCountry(country);
+    setSelectedBank("");
+  };
+
+  const handleConnect = () => {
+    if (selectedBank) {
+      connectBankMutation.mutate(selectedBank);
+    }
+  };
+
+  const resetForm = () => {
+    setSelectedCountry("");
+    setSelectedBank("");
+  };
+
+  return (
+    <Drawer
+      open={open}
+      onOpenChange={(isOpen) => {
+        setOpen(isOpen);
+        if (!isOpen) {
+          resetForm();
+        }
+      }}
+    >
+      <DrawerTrigger asChild>
+        <Button size="sm">
+          <Plus className="h-4 w-4 mr-2" />
+          Add New Account
+        </Button>
+      </DrawerTrigger>
+      <DrawerContent className="max-h-[80vh]">
+        <DrawerHeader>
+          <DrawerTitle>Connect Bank Account</DrawerTitle>
+          <DrawerDescription>
+            Select your country and bank to connect your account to Leggen
+          </DrawerDescription>
+        </DrawerHeader>
+
+        <div className="px-6 space-y-6 overflow-y-auto">
+          {/* Country Selection */}
+          <div className="space-y-2">
+            <Label htmlFor="country">Country</Label>
+            <Select value={selectedCountry} onValueChange={handleCountryChange}>
+              <SelectTrigger>
+                <SelectValue placeholder="Select your country" />
+              </SelectTrigger>
+              <SelectContent>
+                {countries?.map((country) => (
+                  <SelectItem key={country.code} value={country.code}>
+                    {country.name}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </div>
+
+          {/* Bank Selection */}
+          {selectedCountry && (
+            <div className="space-y-2">
+              <Label htmlFor="bank">Bank</Label>
+              {banksLoading ? (
+                <div className="p-4 text-center text-muted-foreground">
+                  Loading banks...
+                </div>
+              ) : banks && banks.length > 0 ? (
+                <Select value={selectedBank} onValueChange={setSelectedBank}>
+                  <SelectTrigger>
+                    <SelectValue placeholder="Select your bank" />
+                  </SelectTrigger>
+                  <SelectContent>
+                    {banks.map((bank) => (
+                      <SelectItem key={bank.id} value={bank.id}>
+                        <div className="flex items-center space-x-2">
+                          {bank.logo ? (
+                            <img
+                              src={bank.logo}
+                              alt={`${bank.name} logo`}
+                              className="w-4 h-4 object-contain"
+                            />
+                          ) : (
+                            <Building2 className="w-4 h-4" />
+                          )}
+                          <span>{bank.name}</span>
+                        </div>
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+              ) : (
+                <Alert>
+                  <AlertDescription>
+                    No banks available for the selected country.
+                  </AlertDescription>
+                </Alert>
+              )}
+            </div>
+          )}
+
+          {/* Instructions */}
+          {selectedBank && (
+            <Alert>
+              <AlertDescription>
+                You'll be redirected to your bank's website to authorize the
+                connection. After approval, you'll return to Leggen and your
+                account will start syncing.
+              </AlertDescription>
+            </Alert>
+          )}
+
+          {/* Error Display */}
+          {connectBankMutation.isError && (
+            <Alert variant="destructive">
+              <AlertDescription>
+                Failed to create bank connection. Please try again.
+              </AlertDescription>
+            </Alert>
+          )}
+        </div>
+
+        <DrawerFooter>
+          <div className="flex space-x-2">
+            <Button
+              onClick={handleConnect}
+              disabled={!selectedBank || connectBankMutation.isPending}
+              className="flex-1"
+            >
+              <ExternalLink className="h-4 w-4 mr-2" />
+              {connectBankMutation.isPending
+                ? "Connecting..."
+                : "Open Bank Authorization"}
+            </Button>
+            <DrawerClose asChild>
+              <Button
+                variant="outline"
+                disabled={connectBankMutation.isPending}
+              >
+                Cancel
+              </Button>
+            </DrawerClose>
+          </div>
+        </DrawerFooter>
+      </DrawerContent>
+    </Drawer>
+  );
+}

frontend/src/components/DiscordConfigDrawer.tsx

@@ -47,7 +47,10 @@ export default function DiscordConfigDrawer({
       apiClient.updateNotificationSettings({
         ...settings,
         discord: discordConfig,
-        filters: settings?.filters || { case_insensitive: [], case_sensitive: [] },
+        filters: settings?.filters || {
+          case_insensitive: [],
+          case_sensitive: [],
+        },
       }),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["notificationSettings"] });
@@ -60,10 +63,12 @@ export default function DiscordConfigDrawer({
   });
 
   const testMutation = useMutation({
-    mutationFn: () => apiClient.testNotification({
-      service: "discord",
-      message: "Test notification from Leggen - Discord configuration is working!"
-    }),
+    mutationFn: () =>
+      apiClient.testNotification({
+        service: "discord",
+        message:
+          "Test notification from Leggen - Discord configuration is working!",
+      }),
     onSuccess: () => {
       console.log("Test Discord notification sent successfully");
     },
@@ -81,13 +86,13 @@ export default function DiscordConfigDrawer({
     testMutation.mutate();
   };
 
-  const isConfigValid = config.webhook.trim().length > 0 && config.webhook.includes('discord.com/api/webhooks');
+  const isConfigValid =
+    config.webhook.trim().length > 0 &&
+    config.webhook.includes("discord.com/api/webhooks");
 
   return (
     <Drawer open={open} onOpenChange={setOpen}>
-      <DrawerTrigger asChild>
-        {trigger || <EditButton />}
-      </DrawerTrigger>
+      <DrawerTrigger asChild>{trigger || <EditButton />}</DrawerTrigger>
       <DrawerContent>
         <div className="mx-auto w-full max-w-md">
           <DrawerHeader>
@@ -103,7 +108,9 @@ export default function DiscordConfigDrawer({
           <form onSubmit={handleSubmit} className="p-4 space-y-6">
             {/* Enable/Disable Toggle */}
             <div className="flex items-center justify-between">
-              <Label className="text-base font-medium">Enable Discord Notifications</Label>
+              <Label className="text-base font-medium">
+                Enable Discord Notifications
+              </Label>
               <Switch
                 checked={config.enabled}
                 onCheckedChange={(enabled) => setConfig({ ...config, enabled })}
@@ -118,11 +125,14 @@ export default function DiscordConfigDrawer({
                 type="url"
                 placeholder="https://discord.com/api/webhooks/..."
                 value={config.webhook}
-                onChange={(e) => setConfig({ ...config, webhook: e.target.value })}
+                onChange={(e) =>
+                  setConfig({ ...config, webhook: e.target.value })
+                }
                 disabled={!config.enabled}
               />
               <p className="text-xs text-muted-foreground">
-                Create a webhook in your Discord server settings under Integrations → Webhooks
+                Create a webhook in your Discord server settings under
+                Integrations → Webhooks
               </p>
             </div>
 
@@ -130,9 +140,13 @@ export default function DiscordConfigDrawer({
             {config.enabled && (
               <div className="p-3 bg-muted rounded-md">
                 <div className="flex items-center space-x-2">
-                  <div className={`w-2 h-2 rounded-full ${isConfigValid ? 'bg-green-500' : 'bg-red-500'}`} />
+                  <div
+                    className={`w-2 h-2 rounded-full ${isConfigValid ? "bg-green-500" : "bg-red-500"}`}
+                  />
                   <span className="text-sm font-medium">
-                    {isConfigValid ? 'Configuration Valid' : 'Invalid Webhook URL'}
+                    {isConfigValid
+                      ? "Configuration Valid"
+                      : "Invalid Webhook URL"}
                   </span>
                 </div>
                 {!isConfigValid && config.webhook.trim().length > 0 && (
@@ -145,8 +159,13 @@ export default function DiscordConfigDrawer({
 
             <DrawerFooter className="px-0">
               <div className="flex space-x-2">
-                <Button type="submit" disabled={updateMutation.isPending || !config.enabled}>
-                  {updateMutation.isPending ? "Saving..." : "Save Configuration"}
+                <Button
+                  type="submit"
+                  disabled={updateMutation.isPending || !config.enabled}
+                >
+                  {updateMutation.isPending
+                    ? "Saving..."
+                    : "Save Configuration"}
                 </Button>
                 {config.enabled && isConfigValid && (
                   <Button

frontend/src/components/NotificationFiltersDrawer.tsx

@@ -67,20 +67,32 @@ export default function NotificationFiltersDrawer({
   };
 
   const addCaseInsensitiveFilter = () => {
-    if (newCaseInsensitive.trim() && !filters.case_insensitive.includes(newCaseInsensitive.trim())) {
+    if (
+      newCaseInsensitive.trim() &&
+      !filters.case_insensitive.includes(newCaseInsensitive.trim())
+    ) {
       setFilters({
         ...filters,
-        case_insensitive: [...filters.case_insensitive, newCaseInsensitive.trim()],
+        case_insensitive: [
+          ...filters.case_insensitive,
+          newCaseInsensitive.trim(),
+        ],
       });
       setNewCaseInsensitive("");
     }
   };
 
   const addCaseSensitiveFilter = () => {
-    if (newCaseSensitive.trim() && !filters.case_sensitive?.includes(newCaseSensitive.trim())) {
+    if (
+      newCaseSensitive.trim() &&
+      !filters.case_sensitive?.includes(newCaseSensitive.trim())
+    ) {
       setFilters({
         ...filters,
-        case_sensitive: [...(filters.case_sensitive || []), newCaseSensitive.trim()],
+        case_sensitive: [
+          ...(filters.case_sensitive || []),
+          newCaseSensitive.trim(),
+        ],
       });
       setNewCaseSensitive("");
     }
@@ -96,30 +108,33 @@ export default function NotificationFiltersDrawer({
   const removeCaseSensitiveFilter = (index: number) => {
     setFilters({
       ...filters,
-      case_sensitive: filters.case_sensitive?.filter((_, i) => i !== index) || [],
+      case_sensitive:
+        filters.case_sensitive?.filter((_, i) => i !== index) || [],
     });
   };
 
   return (
     <Drawer open={open} onOpenChange={setOpen}>
-      <DrawerTrigger asChild>
-        {trigger || <EditButton />}
-      </DrawerTrigger>
+      <DrawerTrigger asChild>{trigger || <EditButton />}</DrawerTrigger>
       <DrawerContent>
         <div className="mx-auto w-full max-w-2xl">
           <DrawerHeader>
             <DrawerTitle>Notification Filters</DrawerTitle>
             <DrawerDescription>
-              Configure which transaction descriptions should trigger notifications
+              Configure which transaction descriptions should trigger
+              notifications
             </DrawerDescription>
           </DrawerHeader>
 
           <form onSubmit={handleSubmit} className="p-4 space-y-6">
             {/* Case Insensitive Filters */}
             <div className="space-y-3">
-              <Label className="text-base font-medium">Case Insensitive Filters</Label>
+              <Label className="text-base font-medium">
+                Case Insensitive Filters
+              </Label>
               <p className="text-sm text-muted-foreground">
-                Filters that match regardless of capitalization (e.g., "AMAZON" matches "amazon")
+                Filters that match regardless of capitalization (e.g., "AMAZON"
+                matches "amazon")
               </p>
 
               <div className="flex space-x-2">
@@ -134,7 +149,11 @@ export default function NotificationFiltersDrawer({
                     }
                   }}
                 />
-                <Button type="button" onClick={addCaseInsensitiveFilter} size="sm">
+                <Button
+                  type="button"
+                  onClick={addCaseInsensitiveFilter}
+                  size="sm"
+                >
                   <Plus className="h-4 w-4" />
                 </Button>
               </div>
@@ -157,16 +176,21 @@ export default function NotificationFiltersDrawer({
                     </div>
                   ))
                 ) : (
-                  <span className="text-muted-foreground text-sm">No filters added</span>
+                  <span className="text-muted-foreground text-sm">
+                    No filters added
+                  </span>
                 )}
               </div>
             </div>
 
             {/* Case Sensitive Filters */}
             <div className="space-y-3">
-              <Label className="text-base font-medium">Case Sensitive Filters</Label>
+              <Label className="text-base font-medium">
+                Case Sensitive Filters
+              </Label>
               <p className="text-sm text-muted-foreground">
-                Filters that match exactly as typed (e.g., "AMAZON" only matches "AMAZON")
+                Filters that match exactly as typed (e.g., "AMAZON" only matches
+                "AMAZON")
               </p>
 
               <div className="flex space-x-2">
@@ -181,7 +205,11 @@ export default function NotificationFiltersDrawer({
                     }
                   }}
                 />
-                <Button type="button" onClick={addCaseSensitiveFilter} size="sm">
+                <Button
+                  type="button"
+                  onClick={addCaseSensitiveFilter}
+                  size="sm"
+                >
                   <Plus className="h-4 w-4" />
                 </Button>
               </div>
@@ -204,7 +232,9 @@ export default function NotificationFiltersDrawer({
                     </div>
                   ))
                 ) : (
-                  <span className="text-muted-foreground text-sm">No filters added</span>
+                  <span className="text-muted-foreground text-sm">
+                    No filters added
+                  </span>
                 )}
               </div>
             </div>

frontend/src/components/S3BackupConfigDrawer.tsx

@@ -0,0 +1,273 @@
+import { useState, useEffect } from "react";
+import { useMutation, useQueryClient } from "@tanstack/react-query";
+import { Cloud, TestTube } from "lucide-react";
+import { toast } from "sonner";
+import { apiClient } from "../lib/api";
+import { Button } from "./ui/button";
+import { Input } from "./ui/input";
+import { Label } from "./ui/label";
+import { Switch } from "./ui/switch";
+import { EditButton } from "./ui/edit-button";
+import {
+  Drawer,
+  DrawerClose,
+  DrawerContent,
+  DrawerDescription,
+  DrawerFooter,
+  DrawerHeader,
+  DrawerTitle,
+  DrawerTrigger,
+} from "./ui/drawer";
+import type { BackupSettings, S3Config } from "../types/api";
+
+interface S3BackupConfigDrawerProps {
+  settings?: BackupSettings;
+  trigger?: React.ReactNode;
+}
+
+export default function S3BackupConfigDrawer({
+  settings,
+  trigger,
+}: S3BackupConfigDrawerProps) {
+  const [open, setOpen] = useState(false);
+  const [config, setConfig] = useState<S3Config>({
+    access_key_id: "",
+    secret_access_key: "",
+    bucket_name: "",
+    region: "us-east-1",
+    endpoint_url: "",
+    path_style: false,
+    enabled: true,
+  });
+
+  const queryClient = useQueryClient();
+
+  useEffect(() => {
+    if (settings?.s3) {
+      setConfig({ ...settings.s3 });
+    }
+  }, [settings]);
+
+  const updateMutation = useMutation({
+    mutationFn: (s3Config: S3Config) =>
+      apiClient.updateBackupSettings({
+        s3: s3Config,
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["backupSettings"] });
+      setOpen(false);
+      toast.success("S3 backup configuration saved successfully");
+    },
+    onError: (error: Error & { response?: { data?: { detail?: string } } }) => {
+      console.error("Failed to update S3 backup configuration:", error);
+      const message =
+        error?.response?.data?.detail ||
+        "Failed to save S3 configuration. Please check your settings and try again.";
+      toast.error(message);
+    },
+  });
+
+  const testMutation = useMutation({
+    mutationFn: () =>
+      apiClient.testBackupConnection({
+        service: "s3",
+        config: config,
+      }),
+    onSuccess: (response) => {
+      if (response.success) {
+        console.log("S3 connection test successful");
+        toast.success(
+          "S3 connection test successful! Your configuration is working correctly.",
+        );
+      } else {
+        console.error("S3 connection test failed:", response.message);
+        toast.error(response.message || "S3 connection test failed. Please verify your credentials and settings.");
+      }
+    },
+    onError: (error: Error & { response?: { data?: { detail?: string } } }) => {
+      console.error("Failed to test S3 connection:", error);
+      const message =
+        error?.response?.data?.detail ||
+        "S3 connection test failed. Please verify your credentials and settings.";
+      toast.error(message);
+    },
+  });
+
+  const handleSubmit = (e: React.FormEvent) => {
+    e.preventDefault();
+    updateMutation.mutate(config);
+  };
+
+  const handleTest = () => {
+    testMutation.mutate();
+  };
+
+  const isConfigValid =
+    config.access_key_id.trim().length > 0 &&
+    config.secret_access_key.trim().length > 0 &&
+    config.bucket_name.trim().length > 0;
+
+  return (
+    <Drawer open={open} onOpenChange={setOpen}>
+      <DrawerTrigger asChild>{trigger || <EditButton />}</DrawerTrigger>
+      <DrawerContent>
+        <div className="mx-auto w-full max-w-sm">
+          <DrawerHeader>
+            <DrawerTitle className="flex items-center space-x-2">
+              <Cloud className="h-5 w-5 text-primary" />
+              <span>S3 Backup Configuration</span>
+            </DrawerTitle>
+            <DrawerDescription>
+              Configure S3 settings for automatic database backups
+            </DrawerDescription>
+          </DrawerHeader>
+
+          <form onSubmit={handleSubmit} className="px-4 space-y-4">
+            <div className="flex items-center space-x-2">
+              <Switch
+                id="enabled"
+                checked={config.enabled}
+                onCheckedChange={(checked) =>
+                  setConfig({ ...config, enabled: checked })
+                }
+              />
+              <Label htmlFor="enabled">Enable S3 backups</Label>
+            </div>
+
+            {config.enabled && (
+              <>
+                <div className="space-y-2">
+                  <Label htmlFor="access_key_id">Access Key ID</Label>
+                  <Input
+                    id="access_key_id"
+                    type="text"
+                    value={config.access_key_id}
+                    onChange={(e) =>
+                      setConfig({ ...config, access_key_id: e.target.value })
+                    }
+                    placeholder="Your AWS Access Key ID"
+                    required
+                  />
+                </div>
+
+                <div className="space-y-2">
+                  <Label htmlFor="secret_access_key">Secret Access Key</Label>
+                  <Input
+                    id="secret_access_key"
+                    type="password"
+                    value={config.secret_access_key}
+                    onChange={(e) =>
+                      setConfig({
+                        ...config,
+                        secret_access_key: e.target.value,
+                      })
+                    }
+                    placeholder="Your AWS Secret Access Key"
+                    required
+                  />
+                </div>
+
+                <div className="space-y-2">
+                  <Label htmlFor="bucket_name">Bucket Name</Label>
+                  <Input
+                    id="bucket_name"
+                    type="text"
+                    value={config.bucket_name}
+                    onChange={(e) =>
+                      setConfig({ ...config, bucket_name: e.target.value })
+                    }
+                    placeholder="my-backup-bucket"
+                    required
+                  />
+                </div>
+
+                <div className="space-y-2">
+                  <Label htmlFor="region">Region</Label>
+                  <Input
+                    id="region"
+                    type="text"
+                    value={config.region}
+                    onChange={(e) =>
+                      setConfig({ ...config, region: e.target.value })
+                    }
+                    placeholder="us-east-1"
+                    required
+                  />
+                </div>
+
+                <div className="space-y-2">
+                  <Label htmlFor="endpoint_url">
+                    Custom Endpoint URL (Optional)
+                  </Label>
+                  <Input
+                    id="endpoint_url"
+                    type="url"
+                    value={config.endpoint_url || ""}
+                    onChange={(e) =>
+                      setConfig({ ...config, endpoint_url: e.target.value })
+                    }
+                    placeholder="https://custom-s3-endpoint.com"
+                  />
+                  <p className="text-xs text-muted-foreground">
+                    For S3-compatible services like MinIO or DigitalOcean Spaces
+                  </p>
+                </div>
+
+                <div className="flex items-center space-x-2">
+                  <Switch
+                    id="path_style"
+                    checked={config.path_style}
+                    onCheckedChange={(checked) =>
+                      setConfig({ ...config, path_style: checked })
+                    }
+                  />
+                  <Label htmlFor="path_style">Use path-style addressing</Label>
+                </div>
+                <p className="text-xs text-muted-foreground">
+                  Enable for older S3 implementations or certain S3-compatible
+                  services
+                </p>
+              </>
+            )}
+
+            <DrawerFooter className="px-0">
+              <div className="flex space-x-2">
+                <Button
+                  type="submit"
+                  disabled={updateMutation.isPending || !config.enabled}
+                >
+                  {updateMutation.isPending
+                    ? "Saving..."
+                    : "Save Configuration"}
+                </Button>
+                {config.enabled && isConfigValid && (
+                  <Button
+                    type="button"
+                    variant="outline"
+                    onClick={handleTest}
+                    disabled={testMutation.isPending}
+                  >
+                    {testMutation.isPending ? (
+                      <>
+                        <TestTube className="h-4 w-4 mr-2 animate-spin" />
+                        Testing...
+                      </>
+                    ) : (
+                      <>
+                        <TestTube className="h-4 w-4 mr-2" />
+                        Test
+                      </>
+                    )}
+                  </Button>
+                )}
+              </div>
+              <DrawerClose asChild>
+                <Button variant="ghost">Cancel</Button>
+              </DrawerClose>
+            </DrawerFooter>
+          </form>
+        </div>
+      </DrawerContent>
+    </Drawer>
+  );
+}

frontend/src/components/Settings.tsx

@@ -10,14 +10,17 @@ import {
   Edit2,
   Check,
   X,
-  Plus,
   Bell,
   MessageSquare,
   Send,
   Trash2,
   User,
   Filter,
+  Cloud,
+  Archive,
+  Eye,
 } from "lucide-react";
+import { toast } from "sonner";
 import { apiClient } from "../lib/api";
 import { formatCurrency, formatDate } from "../lib/utils";
 import {
@@ -35,11 +38,15 @@ import AccountsSkeleton from "./AccountsSkeleton";
 import NotificationFiltersDrawer from "./NotificationFiltersDrawer";
 import DiscordConfigDrawer from "./DiscordConfigDrawer";
 import TelegramConfigDrawer from "./TelegramConfigDrawer";
+import AddBankAccountDrawer from "./AddBankAccountDrawer";
+import S3BackupConfigDrawer from "./S3BackupConfigDrawer";
 import type {
   Account,
   Balance,
   NotificationSettings,
   NotificationService,
+  BackupSettings,
+  BackupInfo,
 } from "../types/api";
 
 // Helper function to get status indicator color and styles
@@ -80,6 +87,7 @@ export default function Settings() {
   const [editingAccountId, setEditingAccountId] = useState<string | null>(null);
   const [editingName, setEditingName] = useState("");
   const [failedImages, setFailedImages] = useState<Set<string>>(new Set());
+  const [showBackups, setShowBackups] = useState(false);
 
   const queryClient = useQueryClient();
 
@@ -120,6 +128,33 @@ export default function Settings() {
     queryFn: apiClient.getNotificationServices,
   });
 
+  const { data: bankConnections } = useQuery({
+    queryKey: ["bankConnections"],
+    queryFn: apiClient.getBankConnectionsStatus,
+  });
+
+  // Backup queries
+  const {
+    data: backupSettings,
+    isLoading: backupLoading,
+    error: backupError,
+    refetch: refetchBackup,
+  } = useQuery<BackupSettings>({
+    queryKey: ["backupSettings"],
+    queryFn: apiClient.getBackupSettings,
+  });
+
+  const {
+    data: backups,
+    isLoading: backupsLoading,
+    error: backupsError,
+    refetch: refetchBackups,
+  } = useQuery<BackupInfo[]>({
+    queryKey: ["backups"],
+    queryFn: apiClient.listBackups,
+    enabled: showBackups,
+  });
+
   // Account mutations
   const updateAccountMutation = useMutation({
     mutationFn: ({ id, display_name }: { id: string; display_name: string }) =>
@@ -143,6 +178,36 @@ export default function Settings() {
     },
   });
 
+  // Bank connection mutations
+  const deleteBankConnectionMutation = useMutation({
+    mutationFn: apiClient.deleteBankConnection,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["accounts"] });
+      queryClient.invalidateQueries({ queryKey: ["bankConnections"] });
+      queryClient.invalidateQueries({ queryKey: ["balances"] });
+    },
+  });
+
+  // Backup mutations
+  const createBackupMutation = useMutation({
+    mutationFn: () => apiClient.performBackupOperation({ operation: "backup" }),
+    onSuccess: (response) => {
+      if (response.success) {
+        toast.success(response.message || "Backup created successfully!");
+        queryClient.invalidateQueries({ queryKey: ["backups"] });
+      } else {
+        toast.error(response.message || "Failed to create backup.");
+      }
+    },
+    onError: (error: Error & { response?: { data?: { detail?: string } } }) => {
+      console.error("Failed to create backup:", error);
+      const message =
+        error?.response?.data?.detail ||
+        "Failed to create backup. Please check your S3 configuration.";
+      toast.error(message);
+    },
+  });
+
   // Account handlers
   const handleEditStart = (account: Account) => {
     setEditingAccountId(account.id);
@@ -174,8 +239,27 @@ export default function Settings() {
     }
   };
 
-  const isLoading = accountsLoading || settingsLoading || servicesLoading;
-  const hasError = accountsError || settingsError || servicesError;
+  // Backup handlers
+  const handleCreateBackup = () => {
+    if (!backupSettings?.s3?.enabled) {
+      toast.error("S3 backup is not enabled. Please configure and enable S3 backup first.");
+      return;
+    }
+    createBackupMutation.mutate();
+  };
+
+  const handleViewBackups = () => {
+    if (!backupSettings?.s3?.enabled) {
+      toast.error("S3 backup is not enabled. Please configure and enable S3 backup first.");
+      return;
+    }
+    setShowBackups(true);
+  };
+
+  const isLoading =
+    accountsLoading || settingsLoading || servicesLoading || backupLoading;
+  const hasError =
+    accountsError || settingsError || servicesError || backupError;
 
   if (isLoading) {
     return <AccountsSkeleton />;
@@ -196,6 +280,7 @@ export default function Settings() {
               refetchAccounts();
               refetchSettings();
               refetchServices();
+              refetchBackup();
             }}
             variant="outline"
             size="sm"
@@ -211,7 +296,7 @@ export default function Settings() {
   return (
     <div className="space-y-6">
       <Tabs defaultValue="accounts" className="space-y-6">
-        <TabsList className="grid w-full grid-cols-2">
+        <TabsList className="grid w-full grid-cols-3">
           <TabsTrigger value="accounts" className="flex items-center space-x-2">
             <User className="h-4 w-4" />
             <span>Accounts</span>
@@ -223,6 +308,10 @@ export default function Settings() {
             <Bell className="h-4 w-4" />
             <span>Notifications</span>
           </TabsTrigger>
+          <TabsTrigger value="backup" className="flex items-center space-x-2">
+            <Cloud className="h-4 w-4" />
+            <span>Backup</span>
+          </TabsTrigger>
         </TabsList>
 
         <TabsContent value="accounts" className="space-y-6">
@@ -245,13 +334,6 @@ export default function Settings() {
                 <p className="text-muted-foreground mb-4">
                   Connect your first bank account to get started with Leggen.
                 </p>
-                <Button disabled className="flex items-center space-x-2">
-                  <Plus className="h-4 w-4" />
-                  <span>Add Bank Account</span>
-                </Button>
-                <p className="text-xs text-muted-foreground mt-2">
-                  Coming soon: Add new bank connections
-                </p>
               </CardContent>
             ) : (
               <CardContent className="p-0">
@@ -288,8 +370,12 @@ export default function Settings() {
                                   alt={`${account.institution_id} logo`}
                                   className="w-6 h-6 sm:w-8 sm:h-8 object-contain"
                                   onError={() => {
-                                    console.warn(`Failed to load bank logo for ${account.institution_id}: ${account.logo}`);
-                                    setFailedImages(prev => new Set([...prev, account.id]));
+                                    console.warn(
+                                      `Failed to load bank logo for ${account.institution_id}: ${account.logo}`,
+                                    );
+                                    setFailedImages(
+                                      (prev) => new Set([...prev, account.id]),
+                                    );
                                   }}
                                 />
                               ) : (
@@ -417,30 +503,110 @@ export default function Settings() {
             )}
           </Card>
 
-          {/* Add Bank Section (Future Feature) */}
+          {/* Bank Connections Status */}
           <Card>
             <CardHeader>
-              <CardTitle>Add New Bank Account</CardTitle>
-              <CardDescription>
-                Connect additional bank accounts to track all your finances in
-                one place
-              </CardDescription>
-            </CardHeader>
-            <CardContent className="p-6">
-              <div className="text-center space-y-4">
-                <div className="p-4 bg-muted rounded-lg">
-                  <Plus className="h-8 w-8 text-muted-foreground mx-auto mb-2" />
-                  <p className="text-sm text-muted-foreground">
-                    Bank connection functionality is coming soon. Stay tuned for
-                    updates!
-                  </p>
+              <div className="flex items-center justify-between">
+                <div>
+                  <CardTitle>Bank Connections</CardTitle>
+                  <CardDescription>
+                    Status of all bank connection requests and their
+                    authorization state
+                  </CardDescription>
                 </div>
-                <Button disabled variant="outline">
-                  <Plus className="h-4 w-4 mr-2" />
-                  Connect Bank Account
-                </Button>
+                <AddBankAccountDrawer />
               </div>
-            </CardContent>
+            </CardHeader>
+
+            {!bankConnections || bankConnections.length === 0 ? (
+              <CardContent className="p-6 text-center">
+                <Building2 className="h-12 w-12 text-muted-foreground mx-auto mb-4" />
+                <h3 className="text-lg font-medium text-foreground mb-2">
+                  No bank connections found
+                </h3>
+                <p className="text-muted-foreground">
+                  Bank connection requests will appear here after you connect
+                  accounts.
+                </p>
+              </CardContent>
+            ) : (
+              <CardContent className="p-0">
+                <div className="divide-y divide-border">
+                  {bankConnections.map((connection) => {
+                    const statusColor =
+                      connection.status.toLowerCase() === "ln"
+                        ? "bg-green-500"
+                        : connection.status.toLowerCase() === "cr"
+                          ? "bg-amber-500"
+                          : connection.status.toLowerCase() === "ex"
+                            ? "bg-red-500"
+                            : "bg-muted-foreground";
+
+                    return (
+                      <div
+                        key={connection.requisition_id}
+                        className="p-4 sm:p-6 hover:bg-accent transition-colors"
+                      >
+                        <div className="flex items-center justify-between">
+                          <div className="flex items-center space-x-4 min-w-0 flex-1">
+                            <div className="flex-shrink-0 w-10 h-10 rounded-full bg-muted flex items-center justify-center">
+                              <Building2 className="h-5 w-5 text-muted-foreground" />
+                            </div>
+                            <div className="flex-1 min-w-0">
+                              <div className="flex items-center space-x-2">
+                                <h4 className="text-base font-medium text-foreground truncate">
+                                  {connection.bank_name}
+                                </h4>
+                                <div
+                                  className={`w-3 h-3 rounded-full ${statusColor}`}
+                                  title={connection.status_display}
+                                />
+                              </div>
+                              <p className="text-sm text-muted-foreground">
+                                {connection.status_display} •{" "}
+                                {connection.accounts_count} account
+                                {connection.accounts_count !== 1 ? "s" : ""}
+                              </p>
+                              <p className="text-xs text-muted-foreground font-mono">
+                                ID: {connection.requisition_id}
+                              </p>
+                            </div>
+                          </div>
+
+                          <div className="flex items-center space-x-2 flex-shrink-0">
+                            <div className="text-right">
+                              <p className="text-xs text-muted-foreground">
+                                Created {formatDate(connection.created_at)}
+                              </p>
+                            </div>
+                            <button
+                              onClick={() => {
+                                const isWorking =
+                                  connection.status.toLowerCase() === "ln";
+                                const message = isWorking
+                                  ? `Are you sure you want to disconnect "${connection.bank_name}"? This will stop syncing new transactions but keep your existing transaction history.`
+                                  : `Delete connection to ${connection.bank_name}?`;
+
+                                if (confirm(message)) {
+                                  deleteBankConnectionMutation.mutate(
+                                    connection.requisition_id,
+                                  );
+                                }
+                              }}
+                              disabled={deleteBankConnectionMutation.isPending}
+                              className="p-1 text-muted-foreground hover:text-destructive transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+                              title="Delete connection"
+                            >
+                              <Trash2 className="h-4 w-4" />
+                            </button>
+                          </div>
+                        </div>
+                      </div>
+                    );
+                  })}
+                </div>
+              </CardContent>
+            )}
           </Card>
         </TabsContent>
 
@@ -495,19 +661,21 @@ export default function Settings() {
                                 {service.name}
                               </h4>
                               <div className="flex items-center space-x-2">
-                                <div className={`w-2 h-2 rounded-full ${
-                                  service.enabled && service.configured
-                                    ? 'bg-green-500'
-                                    : service.enabled
-                                      ? 'bg-amber-500'
-                                      : 'bg-muted-foreground'
-                                }`} />
+                                <div
+                                  className={`w-2 h-2 rounded-full ${
+                                    service.enabled && service.configured
+                                      ? "bg-green-500"
+                                      : service.enabled
+                                        ? "bg-amber-500"
+                                        : "bg-muted-foreground"
+                                  }`}
+                                />
                                 <span className="text-sm text-muted-foreground">
                                   {service.enabled && service.configured
-                                    ? 'Active'
+                                    ? "Active"
                                     : service.enabled
-                                      ? 'Needs Configuration'
-                                      : 'Disabled'}
+                                      ? "Needs Configuration"
+                                      : "Disabled"}
                                 </span>
                               </div>
                             </div>
@@ -516,9 +684,15 @@ export default function Settings() {
 
                         <div className="flex items-center space-x-2">
                           {service.name.toLowerCase().includes("discord") ? (
-                            <DiscordConfigDrawer settings={notificationSettings} />
-                          ) : service.name.toLowerCase().includes("telegram") ? (
-                            <TelegramConfigDrawer settings={notificationSettings} />
+                            <DiscordConfigDrawer
+                              settings={notificationSettings}
+                            />
+                          ) : service.name
+                              .toLowerCase()
+                              .includes("telegram") ? (
+                            <TelegramConfigDrawer
+                              settings={notificationSettings}
+                            />
                           ) : null}
 
                           <Button
@@ -560,17 +734,22 @@ export default function Settings() {
                           Case Insensitive Filters
                         </Label>
                         <div className="min-h-[2rem] flex flex-wrap gap-1">
-                          {notificationSettings.filters.case_insensitive.length > 0 ? (
-                            notificationSettings.filters.case_insensitive.map((filter, index) => (
-                              <span
-                                key={index}
-                                className="inline-flex items-center px-2 py-1 bg-secondary text-secondary-foreground rounded text-xs"
-                              >
-                                {filter}
-                              </span>
-                            ))
+                          {notificationSettings.filters.case_insensitive
+                            .length > 0 ? (
+                            notificationSettings.filters.case_insensitive.map(
+                              (filter, index) => (
+                                <span
+                                  key={index}
+                                  className="inline-flex items-center px-2 py-1 bg-secondary text-secondary-foreground rounded text-xs"
+                                >
+                                  {filter}
+                                </span>
+                              ),
+                            )
                           ) : (
-                            <p className="text-sm text-muted-foreground">None</p>
+                            <p className="text-sm text-muted-foreground">
+                              None
+                            </p>
                           )}
                         </div>
                       </div>
@@ -580,25 +759,31 @@ export default function Settings() {
                         </Label>
                         <div className="min-h-[2rem] flex flex-wrap gap-1">
                           {notificationSettings.filters.case_sensitive &&
-                          notificationSettings.filters.case_sensitive.length > 0 ? (
-                            notificationSettings.filters.case_sensitive.map((filter, index) => (
-                              <span
-                                key={index}
-                                className="inline-flex items-center px-2 py-1 bg-secondary text-secondary-foreground rounded text-xs"
-                              >
-                                {filter}
-                              </span>
-                            ))
+                          notificationSettings.filters.case_sensitive.length >
+                            0 ? (
+                            notificationSettings.filters.case_sensitive.map(
+                              (filter, index) => (
+                                <span
+                                  key={index}
+                                  className="inline-flex items-center px-2 py-1 bg-secondary text-secondary-foreground rounded text-xs"
+                                >
+                                  {filter}
+                                </span>
+                              ),
+                            )
                           ) : (
-                            <p className="text-sm text-muted-foreground">None</p>
+                            <p className="text-sm text-muted-foreground">
+                              None
+                            </p>
                           )}
                         </div>
                       </div>
                     </div>
                   </div>
                   <p className="text-sm text-muted-foreground">
-                    Filters determine which transaction descriptions will trigger notifications.
-                    Add terms to exclude transactions containing those words.
+                    Filters determine which transaction descriptions will
+                    trigger notifications. Add terms to exclude transactions
+                    containing those words.
                   </p>
                 </div>
               ) : (
@@ -608,7 +793,8 @@ export default function Settings() {
                     No notification filters configured
                   </h3>
                   <p className="text-muted-foreground mb-4">
-                    Set up filters to control which transactions trigger notifications.
+                    Set up filters to control which transactions trigger
+                    notifications.
                   </p>
                   <NotificationFiltersDrawer settings={notificationSettings} />
                 </div>
@@ -616,6 +802,174 @@ export default function Settings() {
             </CardContent>
           </Card>
         </TabsContent>
+
+        <TabsContent value="backup" className="space-y-6">
+          {/* S3 Backup Configuration */}
+          <Card>
+            <CardHeader>
+              <CardTitle className="flex items-center space-x-2">
+                <Cloud className="h-5 w-5 text-primary" />
+                <span>S3 Backup Configuration</span>
+              </CardTitle>
+              <CardDescription>
+                Configure automatic database backups to Amazon S3 or
+                S3-compatible storage
+              </CardDescription>
+            </CardHeader>
+
+            <CardContent>
+              {!backupSettings?.s3 ? (
+                <div className="text-center py-8">
+                  <Cloud className="h-12 w-12 text-muted-foreground mx-auto mb-4" />
+                  <h3 className="text-lg font-medium text-foreground mb-2">
+                    No S3 backup configured
+                  </h3>
+                  <p className="text-muted-foreground mb-4">
+                    Set up S3 backup to automatically backup your database to
+                    the cloud.
+                  </p>
+                  <S3BackupConfigDrawer settings={backupSettings} />
+                </div>
+              ) : (
+                <div className="space-y-4">
+                  <div className="flex items-center justify-between p-4 border rounded-lg">
+                    <div className="flex items-center space-x-4">
+                      <div className="p-3 bg-muted rounded-full">
+                        <Cloud className="h-6 w-6 text-muted-foreground" />
+                      </div>
+                      <div>
+                        <div className="flex items-center space-x-3">
+                          <h4 className="text-lg font-medium text-foreground">
+                            S3 Backup
+                          </h4>
+                          <div className="flex items-center space-x-2">
+                            <div
+                              className={`w-2 h-2 rounded-full ${
+                                backupSettings.s3.enabled
+                                  ? "bg-green-500"
+                                  : "bg-muted-foreground"
+                              }`}
+                            />
+                            <span className="text-sm text-muted-foreground">
+                              {backupSettings.s3.enabled
+                                ? "Enabled"
+                                : "Disabled"}
+                            </span>
+                          </div>
+                        </div>
+                        <div className="mt-2 space-y-1">
+                          <p className="text-sm text-muted-foreground">
+                            <span className="font-medium">Bucket:</span>{" "}
+                            {backupSettings.s3.bucket_name}
+                          </p>
+                          <p className="text-sm text-muted-foreground">
+                            <span className="font-medium">Region:</span>{" "}
+                            {backupSettings.s3.region}
+                          </p>
+                          {backupSettings.s3.endpoint_url && (
+                            <p className="text-sm text-muted-foreground">
+                              <span className="font-medium">Endpoint:</span>{" "}
+                              {backupSettings.s3.endpoint_url}
+                            </p>
+                          )}
+                        </div>
+                      </div>
+                    </div>
+                    <S3BackupConfigDrawer settings={backupSettings} />
+                  </div>
+
+                  <div className="p-4 bg-muted rounded-lg">
+                    <h5 className="font-medium mb-2">Backup Information</h5>
+                    <p className="text-sm text-muted-foreground mb-3">
+                      Database backups are stored in the "leggen_backups/"
+                      folder in your S3 bucket. Backups include the complete
+                      SQLite database file.
+                    </p>
+                    <div className="flex space-x-2">
+                      <Button
+                        size="sm"
+                        variant="outline"
+                        onClick={handleCreateBackup}
+                        disabled={createBackupMutation.isPending}
+                      >
+                        {createBackupMutation.isPending ? (
+                          <>
+                            <Archive className="h-4 w-4 mr-2 animate-spin" />
+                            Creating...
+                          </>
+                        ) : (
+                          <>
+                            <Archive className="h-4 w-4 mr-2" />
+                            Create Backup Now
+                          </>
+                        )}
+                      </Button>
+                      <Button
+                        size="sm"
+                        variant="outline"
+                        onClick={handleViewBackups}
+                      >
+                        <Eye className="h-4 w-4 mr-2" />
+                        View Backups
+                      </Button>
+                    </div>
+                  </div>
+
+                  {/* Backup List Modal/View */}
+                  {showBackups && (
+                    <div className="mt-6 p-4 border rounded-lg bg-background">
+                      <div className="flex items-center justify-between mb-4">
+                        <h5 className="font-medium">Available Backups</h5>
+                        <Button
+                          size="sm"
+                          variant="ghost"
+                          onClick={() => setShowBackups(false)}
+                        >
+                          <X className="h-4 w-4" />
+                        </Button>
+                      </div>
+
+                      {backupsLoading ? (
+                        <p className="text-sm text-muted-foreground">Loading backups...</p>
+                      ) : backupsError ? (
+                        <div className="space-y-2">
+                          <p className="text-sm text-destructive">Failed to load backups</p>
+                          <Button
+                            size="sm"
+                            variant="outline"
+                            onClick={() => refetchBackups()}
+                          >
+                            <RefreshCw className="h-4 w-4 mr-2" />
+                            Retry
+                          </Button>
+                        </div>
+                      ) : !backups || backups.length === 0 ? (
+                        <p className="text-sm text-muted-foreground">No backups found</p>
+                      ) : (
+                        <div className="space-y-2">
+                          {backups.map((backup, index) => (
+                            <div
+                              key={backup.key || index}
+                              className="flex items-center justify-between p-3 border rounded bg-muted/50"
+                            >
+                              <div>
+                                <p className="text-sm font-medium">{backup.key}</p>
+                                <div className="flex items-center space-x-4 text-xs text-muted-foreground mt-1">
+                                  <span>Modified: {formatDate(backup.last_modified)}</span>
+                                  <span>Size: {(backup.size / 1024 / 1024).toFixed(2)} MB</span>
+                                </div>
+                              </div>
+                            </div>
+                          ))}
+                        </div>
+                      )}
+                    </div>
+                  )}
+                </div>
+              )}
+            </CardContent>
+          </Card>
+        </TabsContent>
       </Tabs>
     </div>
   );

frontend/src/components/SiteHeader.tsx

@@ -30,8 +30,6 @@ export function SiteHeader() {
     refetchInterval: 30000,
   });
 
-
-
   return (
     <header className="flex h-16 shrink-0 items-center gap-2 border-b transition-[width,height] ease-linear pt-safe-top">
       <div className="flex w-full items-center gap-1 px-4 lg:gap-2 lg:px-6">

frontend/src/components/System.tsx

@@ -210,7 +210,8 @@ export default function System() {
                                   : "Sync Failed"}
                             </h4>
                             <Badge variant="outline" className="text-xs">
-                              {operation.trigger_type.charAt(0).toUpperCase() + operation.trigger_type.slice(1)}
+                              {operation.trigger_type.charAt(0).toUpperCase() +
+                                operation.trigger_type.slice(1)}
                             </Badge>
                           </div>
                           <div className="flex items-center space-x-4 mt-1 text-xs text-muted-foreground">
@@ -272,7 +273,8 @@ export default function System() {
                                   : "Sync Failed"}
                             </h4>
                             <Badge variant="outline" className="text-xs mt-1">
-                              {operation.trigger_type.charAt(0).toUpperCase() + operation.trigger_type.slice(1)}
+                              {operation.trigger_type.charAt(0).toUpperCase() +
+                                operation.trigger_type.slice(1)}
                             </Badge>
                           </div>
                         </div>
@@ -286,7 +288,9 @@ export default function System() {
                             {startedAt.toLocaleDateString()}{" "}
                             {startedAt.toLocaleTimeString()}
                           </span>
-                          {duration && <span className="ml-2">• {duration}</span>}
+                          {duration && (
+                            <span className="ml-2">• {duration}</span>
+                          )}
                         </div>
 
                         <div className="grid grid-cols-2 gap-2 text-xs">
@@ -296,7 +300,9 @@ export default function System() {
                           </div>
                           <div className="flex items-center space-x-1">
                             <TrendingUp className="h-3 w-3" />
-                            <span>{operation.transactions_added} new transactions</span>
+                            <span>
+                              {operation.transactions_added} new transactions
+                            </span>
                           </div>
                         </div>
                       </div>

frontend/src/components/TelegramConfigDrawer.tsx

@@ -48,7 +48,10 @@ export default function TelegramConfigDrawer({
       apiClient.updateNotificationSettings({
         ...settings,
         telegram: telegramConfig,
-        filters: settings?.filters || { case_insensitive: [], case_sensitive: [] },
+        filters: settings?.filters || {
+          case_insensitive: [],
+          case_sensitive: [],
+        },
       }),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["notificationSettings"] });
@@ -61,10 +64,12 @@ export default function TelegramConfigDrawer({
   });
 
   const testMutation = useMutation({
-    mutationFn: () => apiClient.testNotification({
-      service: "telegram",
-      message: "Test notification from Leggen - Telegram configuration is working!"
-    }),
+    mutationFn: () =>
+      apiClient.testNotification({
+        service: "telegram",
+        message:
+          "Test notification from Leggen - Telegram configuration is working!",
+      }),
     onSuccess: () => {
       console.log("Test Telegram notification sent successfully");
     },
@@ -86,9 +91,7 @@ export default function TelegramConfigDrawer({
 
   return (
     <Drawer open={open} onOpenChange={setOpen}>
-      <DrawerTrigger asChild>
-        {trigger || <EditButton />}
-      </DrawerTrigger>
+      <DrawerTrigger asChild>{trigger || <EditButton />}</DrawerTrigger>
       <DrawerContent>
         <div className="mx-auto w-full max-w-md">
           <DrawerHeader>
@@ -104,7 +107,9 @@ export default function TelegramConfigDrawer({
           <form onSubmit={handleSubmit} className="p-4 space-y-6">
             {/* Enable/Disable Toggle */}
             <div className="flex items-center justify-between">
-              <Label className="text-base font-medium">Enable Telegram Notifications</Label>
+              <Label className="text-base font-medium">
+                Enable Telegram Notifications
+              </Label>
               <Switch
                 checked={config.enabled}
                 onCheckedChange={(enabled) => setConfig({ ...config, enabled })}
@@ -119,7 +124,9 @@ export default function TelegramConfigDrawer({
                 type="password"
                 placeholder="123456789:ABCdefGHIjklMNOpqrsTUVwxyz"
                 value={config.token}
-                onChange={(e) => setConfig({ ...config, token: e.target.value })}
+                onChange={(e) =>
+                  setConfig({ ...config, token: e.target.value })
+                }
                 disabled={!config.enabled}
               />
               <p className="text-xs text-muted-foreground">
@@ -135,11 +142,18 @@ export default function TelegramConfigDrawer({
                 type="number"
                 placeholder="123456789"
                 value={config.chat_id || ""}
-                onChange={(e) => setConfig({ ...config, chat_id: parseInt(e.target.value) || 0 })}
+                onChange={(e) =>
+                  setConfig({
+                    ...config,
+                    chat_id: parseInt(e.target.value) || 0,
+                  })
+                }
                 disabled={!config.enabled}
               />
               <p className="text-xs text-muted-foreground">
-                Send a message to your bot and visit https://api.telegram.org/bot&lt;token&gt;/getUpdates to find your chat ID
+                Send a message to your bot and visit
+                https://api.telegram.org/bot&lt;token&gt;/getUpdates to find
+                your chat ID
               </p>
             </div>
 
@@ -147,23 +161,33 @@ export default function TelegramConfigDrawer({
             {config.enabled && (
               <div className="p-3 bg-muted rounded-md">
                 <div className="flex items-center space-x-2">
-                  <div className={`w-2 h-2 rounded-full ${isConfigValid ? 'bg-green-500' : 'bg-red-500'}`} />
+                  <div
+                    className={`w-2 h-2 rounded-full ${isConfigValid ? "bg-green-500" : "bg-red-500"}`}
+                  />
                   <span className="text-sm font-medium">
-                    {isConfigValid ? 'Configuration Valid' : 'Missing Token or Chat ID'}
+                    {isConfigValid
+                      ? "Configuration Valid"
+                      : "Missing Token or Chat ID"}
                   </span>
                 </div>
-                {!isConfigValid && (config.token.trim().length > 0 || config.chat_id !== 0) && (
-                  <p className="text-xs text-muted-foreground mt-1">
-                    Both bot token and chat ID are required
-                  </p>
-                )}
+                {!isConfigValid &&
+                  (config.token.trim().length > 0 || config.chat_id !== 0) && (
+                    <p className="text-xs text-muted-foreground mt-1">
+                      Both bot token and chat ID are required
+                    </p>
+                  )}
               </div>
             )}
 
             <DrawerFooter className="px-0">
               <div className="flex space-x-2">
-                <Button type="submit" disabled={updateMutation.isPending || !config.enabled}>
-                  {updateMutation.isPending ? "Saving..." : "Save Configuration"}
+                <Button
+                  type="submit"
+                  disabled={updateMutation.isPending || !config.enabled}
+                >
+                  {updateMutation.isPending
+                    ? "Saving..."
+                    : "Save Configuration"}
                 </Button>
                 {config.enabled && isConfigValid && (
                   <Button

frontend/src/components/analytics/TimePeriodFilter.tsx

@@ -15,7 +15,9 @@ export default function TimePeriodFilter({
   className = "",
 }: TimePeriodFilterProps) {
   return (
-    <div className={`flex flex-col sm:flex-row sm:items-center gap-4 ${className}`}>
+    <div
+      className={`flex flex-col sm:flex-row sm:items-center gap-4 ${className}`}
+    >
       <div className="flex items-center gap-2 text-foreground">
         <Calendar size={20} />
         <span className="font-medium">Time Period:</span>

frontend/src/components/ui/drawer.tsx

@@ -1,7 +1,7 @@
-import * as React from "react"
-import { Drawer as DrawerPrimitive } from "vaul"
+import * as React from "react";
+import { Drawer as DrawerPrimitive } from "vaul";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 const Drawer = ({
   shouldScaleBackground = true,
@@ -11,14 +11,14 @@ const Drawer = ({
     shouldScaleBackground={shouldScaleBackground}
     {...props}
   />
-)
-Drawer.displayName = "Drawer"
+);
+Drawer.displayName = "Drawer";
 
-const DrawerTrigger = DrawerPrimitive.Trigger
+const DrawerTrigger = DrawerPrimitive.Trigger;
 
-const DrawerPortal = DrawerPrimitive.Portal
+const DrawerPortal = DrawerPrimitive.Portal;
 
-const DrawerClose = DrawerPrimitive.Close
+const DrawerClose = DrawerPrimitive.Close;
 
 const DrawerOverlay = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Overlay>,
@@ -29,8 +29,8 @@ const DrawerOverlay = React.forwardRef<
     className={cn("fixed inset-0 z-50 bg-black/80", className)}
     {...props}
   />
-))
-DrawerOverlay.displayName = DrawerPrimitive.Overlay.displayName
+));
+DrawerOverlay.displayName = DrawerPrimitive.Overlay.displayName;
 
 const DrawerContent = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Content>,
@@ -42,7 +42,7 @@ const DrawerContent = React.forwardRef<
       ref={ref}
       className={cn(
         "fixed inset-x-0 bottom-0 z-50 mt-24 flex h-auto flex-col rounded-t-[10px] border bg-background",
-        className
+        className,
       )}
       {...props}
     >
@@ -50,8 +50,8 @@ const DrawerContent = React.forwardRef<
       {children}
     </DrawerPrimitive.Content>
   </DrawerPortal>
-))
-DrawerContent.displayName = "DrawerContent"
+));
+DrawerContent.displayName = "DrawerContent";
 
 const DrawerHeader = ({
   className,
@@ -61,8 +61,8 @@ const DrawerHeader = ({
     className={cn("grid gap-1.5 p-4 text-center sm:text-left", className)}
     {...props}
   />
-)
-DrawerHeader.displayName = "DrawerHeader"
+);
+DrawerHeader.displayName = "DrawerHeader";
 
 const DrawerFooter = ({
   className,
@@ -72,8 +72,8 @@ const DrawerFooter = ({
     className={cn("mt-auto flex flex-col gap-2 p-4", className)}
     {...props}
   />
-)
-DrawerFooter.displayName = "DrawerFooter"
+);
+DrawerFooter.displayName = "DrawerFooter";
 
 const DrawerTitle = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Title>,
@@ -83,12 +83,12 @@ const DrawerTitle = React.forwardRef<
     ref={ref}
     className={cn(
       "text-lg font-semibold leading-none tracking-tight",
-      className
+      className,
     )}
     {...props}
   />
-))
-DrawerTitle.displayName = DrawerPrimitive.Title.displayName
+));
+DrawerTitle.displayName = DrawerPrimitive.Title.displayName;
 
 const DrawerDescription = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Description>,
@@ -99,8 +99,8 @@ const DrawerDescription = React.forwardRef<
     className={cn("text-sm text-muted-foreground", className)}
     {...props}
   />
-))
-DrawerDescription.displayName = DrawerPrimitive.Description.displayName
+));
+DrawerDescription.displayName = DrawerPrimitive.Description.displayName;
 
 export {
   Drawer,
@@ -113,4 +113,4 @@ export {
   DrawerFooter,
   DrawerTitle,
   DrawerDescription,
-}
+};

frontend/src/components/ui/edit-button.tsx

@@ -7,7 +7,13 @@ interface EditButtonProps {
   disabled?: boolean;
   className?: string;
   size?: "default" | "sm" | "lg" | "icon";
-  variant?: "default" | "destructive" | "outline" | "secondary" | "ghost" | "link";
+  variant?:
+    | "default"
+    | "destructive"
+    | "outline"
+    | "secondary"
+    | "ghost"
+    | "link";
   children?: React.ReactNode;
 }
 
@@ -28,7 +34,7 @@ export function EditButton({
       variant={variant}
       className={cn(
         "h-8 px-3 text-muted-foreground hover:text-foreground transition-colors",
-        className
+        className,
       )}
       {...props}
     >

frontend/src/components/ui/scroll-area.tsx

@@ -9,7 +9,7 @@ const ScrollArea = React.forwardRef<
     ref={ref}
     className={cn(
       "relative overflow-auto scrollbar-thin scrollbar-thumb-gray-300 scrollbar-track-gray-100",
-      className
+      className,
     )}
     {...props}
   >

frontend/src/components/ui/switch.tsx

@@ -1,7 +1,7 @@
-import * as React from "react"
-import * as SwitchPrimitives from "@radix-ui/react-switch"
+import * as React from "react";
+import * as SwitchPrimitives from "@radix-ui/react-switch";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 const Switch = React.forwardRef<
   React.ElementRef<typeof SwitchPrimitives.Root>,
@@ -10,18 +10,18 @@ const Switch = React.forwardRef<
   <SwitchPrimitives.Root
     className={cn(
       "peer inline-flex h-5 w-9 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=unchecked]:bg-input",
-      className
+      className,
     )}
     {...props}
     ref={ref}
   >
     <SwitchPrimitives.Thumb
       className={cn(
-        "pointer-events-none block h-4 w-4 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-4 data-[state=unchecked]:translate-x-0"
+        "pointer-events-none block h-4 w-4 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-4 data-[state=unchecked]:translate-x-0",
       )}
     />
   </SwitchPrimitives.Root>
-))
-Switch.displayName = SwitchPrimitives.Root.displayName
+));
+Switch.displayName = SwitchPrimitives.Root.displayName;
 
-export { Switch }
+export { Switch };

frontend/src/hooks/usePWA.ts

@@ -15,21 +15,23 @@ export function usePWA(): PWAUpdate {
   const forceReload = async (): Promise<void> => {
     try {
       // Clear all caches
-      if ('caches' in window) {
+      if ("caches" in window) {
         const cacheNames = await caches.keys();
         await Promise.all(
-          cacheNames.map(cacheName => caches.delete(cacheName))
+          cacheNames.map((cacheName) => caches.delete(cacheName)),
         );
         console.log("All caches cleared");
       }
-      
+
       // Unregister service worker
-      if ('serviceWorker' in navigator) {
+      if ("serviceWorker" in navigator) {
         const registrations = await navigator.serviceWorker.getRegistrations();
-        await Promise.all(registrations.map(registration => registration.unregister()));
+        await Promise.all(
+          registrations.map((registration) => registration.unregister()),
+        );
         console.log("All service workers unregistered");
       }
-      
+
       // Force reload
       window.location.reload();
     } catch (error) {

frontend/src/hooks/useVersionCheck.ts

@@ -5,10 +5,7 @@ import { apiClient } from "../lib/api";
 const VERSION_STORAGE_KEY = "leggen_app_version";
 
 export function useVersionCheck(forceReload: () => Promise<void>) {
-  const {
-    data: healthStatus,
-    isSuccess: healthSuccess,
-  } = useQuery({
+  const { data: healthStatus, isSuccess: healthSuccess } = useQuery({
     queryKey: ["health"],
     queryFn: apiClient.getHealth,
     refetchInterval: 30000,
@@ -20,14 +17,16 @@ export function useVersionCheck(forceReload: () => Promise<void>) {
     if (healthSuccess && healthStatus?.version) {
       const currentVersion = healthStatus.version;
       const storedVersion = localStorage.getItem(VERSION_STORAGE_KEY);
-      
+
       if (storedVersion && storedVersion !== currentVersion) {
-        console.log(`Version mismatch detected: stored=${storedVersion}, current=${currentVersion}`);
+        console.log(
+          `Version mismatch detected: stored=${storedVersion}, current=${currentVersion}`,
+        );
         console.log("Clearing cache and reloading...");
-        
+
         // Update stored version first
         localStorage.setItem(VERSION_STORAGE_KEY, currentVersion);
-        
+
         // Force reload to clear cache
         forceReload();
       } else if (!storedVersion) {
@@ -37,4 +36,4 @@ export function useVersionCheck(forceReload: () => Promise<void>) {
       }
     }
   }, [healthSuccess, healthStatus?.version, forceReload]);
-}
+}

frontend/src/lib/api.ts

@@ -13,6 +13,14 @@ import type {
   AccountUpdate,
   TransactionStats,
   SyncOperationsResponse,
+  BankInstitution,
+  BankConnectionStatus,
+  BankRequisition,
+  Country,
+  BackupSettings,
+  BackupTest,
+  BackupInfo,
+  BackupOperation,
 } from "../types/api";
 
 // Use VITE_API_URL for development, relative URLs for production
@@ -168,8 +176,6 @@ export const apiClient = {
     return response.data.data;
   },
 
-
-
   // Analytics endpoints
   getTransactionStats: async (days?: number): Promise<TransactionStats> => {
     const queryParams = new URLSearchParams();
@@ -231,6 +237,79 @@ export const apiClient = {
     );
     return response.data.data;
   },
+
+  // Bank management endpoints
+  getBankInstitutions: async (country: string): Promise<BankInstitution[]> => {
+    const response = await api.get<ApiResponse<BankInstitution[]>>(
+      `/banks/institutions?country=${country}`,
+    );
+    return response.data.data;
+  },
+
+  getBankConnectionsStatus: async (): Promise<BankConnectionStatus[]> => {
+    const response =
+      await api.get<ApiResponse<BankConnectionStatus[]>>("/banks/status");
+    return response.data.data;
+  },
+
+  createBankConnection: async (
+    institutionId: string,
+    redirectUrl?: string,
+  ): Promise<BankRequisition> => {
+    // If no redirect URL provided, construct it from current location
+    const finalRedirectUrl =
+      redirectUrl || `${window.location.origin}/bank-connected`;
+
+    const response = await api.post<ApiResponse<BankRequisition>>(
+      "/banks/connect",
+      {
+        institution_id: institutionId,
+        redirect_url: finalRedirectUrl,
+      },
+    );
+    return response.data.data;
+  },
+
+  deleteBankConnection: async (requisitionId: string): Promise<void> => {
+    await api.delete(`/banks/connections/${requisitionId}`);
+  },
+
+  getSupportedCountries: async (): Promise<Country[]> => {
+    const response = await api.get<ApiResponse<Country[]>>("/banks/countries");
+    return response.data.data;
+  },
+
+  // Backup endpoints
+  getBackupSettings: async (): Promise<BackupSettings> => {
+    const response =
+      await api.get<ApiResponse<BackupSettings>>("/backup/settings");
+    return response.data.data;
+  },
+
+  updateBackupSettings: async (
+    settings: BackupSettings,
+  ): Promise<BackupSettings> => {
+    const response = await api.put<ApiResponse<BackupSettings>>(
+      "/backup/settings",
+      settings,
+    );
+    return response.data.data;
+  },
+
+  testBackupConnection: async (test: BackupTest): Promise<ApiResponse<{ connected?: boolean }>> => {
+    const response = await api.post<ApiResponse<{ connected?: boolean }>>("/backup/test", test);
+    return response.data;
+  },
+
+  listBackups: async (): Promise<BackupInfo[]> => {
+    const response = await api.get<ApiResponse<BackupInfo[]>>("/backup/list");
+    return response.data.data;
+  },
+
+  performBackupOperation: async (operation: BackupOperation): Promise<ApiResponse<{ operation: string; completed: boolean }>> => {
+    const response = await api.post<ApiResponse<{ operation: string; completed: boolean }>>("/backup/operation", operation);
+    return response.data;
+  },
 };
 
 export default apiClient;

frontend/src/routeTree.gen.ts

@@ -13,6 +13,7 @@ import { Route as TransactionsRouteImport } from './routes/transactions'
 import { Route as SystemRouteImport } from './routes/system'
 import { Route as SettingsRouteImport } from './routes/settings'
 import { Route as NotificationsRouteImport } from './routes/notifications'
+import { Route as BankConnectedRouteImport } from './routes/bank-connected'
 import { Route as AnalyticsRouteImport } from './routes/analytics'
 import { Route as IndexRouteImport } from './routes/index'
 
@@ -36,6 +37,11 @@ const NotificationsRoute = NotificationsRouteImport.update({
   path: '/notifications',
   getParentRoute: () => rootRouteImport,
 } as any)
+const BankConnectedRoute = BankConnectedRouteImport.update({
+  id: '/bank-connected',
+  path: '/bank-connected',
+  getParentRoute: () => rootRouteImport,
+} as any)
 const AnalyticsRoute = AnalyticsRouteImport.update({
   id: '/analytics',
   path: '/analytics',
@@ -50,6 +56,7 @@ const IndexRoute = IndexRouteImport.update({
 export interface FileRoutesByFullPath {
   '/': typeof IndexRoute
   '/analytics': typeof AnalyticsRoute
+  '/bank-connected': typeof BankConnectedRoute
   '/notifications': typeof NotificationsRoute
   '/settings': typeof SettingsRoute
   '/system': typeof SystemRoute
@@ -58,6 +65,7 @@ export interface FileRoutesByFullPath {
 export interface FileRoutesByTo {
   '/': typeof IndexRoute
   '/analytics': typeof AnalyticsRoute
+  '/bank-connected': typeof BankConnectedRoute
   '/notifications': typeof NotificationsRoute
   '/settings': typeof SettingsRoute
   '/system': typeof SystemRoute
@@ -67,6 +75,7 @@ export interface FileRoutesById {
   __root__: typeof rootRouteImport
   '/': typeof IndexRoute
   '/analytics': typeof AnalyticsRoute
+  '/bank-connected': typeof BankConnectedRoute
   '/notifications': typeof NotificationsRoute
   '/settings': typeof SettingsRoute
   '/system': typeof SystemRoute
@@ -77,6 +86,7 @@ export interface FileRouteTypes {
   fullPaths:
     | '/'
     | '/analytics'
+    | '/bank-connected'
     | '/notifications'
     | '/settings'
     | '/system'
@@ -85,6 +95,7 @@ export interface FileRouteTypes {
   to:
     | '/'
     | '/analytics'
+    | '/bank-connected'
     | '/notifications'
     | '/settings'
     | '/system'
@@ -93,6 +104,7 @@ export interface FileRouteTypes {
     | '__root__'
     | '/'
     | '/analytics'
+    | '/bank-connected'
     | '/notifications'
     | '/settings'
     | '/system'
@@ -102,6 +114,7 @@ export interface FileRouteTypes {
 export interface RootRouteChildren {
   IndexRoute: typeof IndexRoute
   AnalyticsRoute: typeof AnalyticsRoute
+  BankConnectedRoute: typeof BankConnectedRoute
   NotificationsRoute: typeof NotificationsRoute
   SettingsRoute: typeof SettingsRoute
   SystemRoute: typeof SystemRoute
@@ -138,6 +151,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof NotificationsRouteImport
       parentRoute: typeof rootRouteImport
     }
+    '/bank-connected': {
+      id: '/bank-connected'
+      path: '/bank-connected'
+      fullPath: '/bank-connected'
+      preLoaderRoute: typeof BankConnectedRouteImport
+      parentRoute: typeof rootRouteImport
+    }
     '/analytics': {
       id: '/analytics'
       path: '/analytics'
@@ -158,6 +178,7 @@ declare module '@tanstack/react-router' {
 const rootRouteChildren: RootRouteChildren = {
   IndexRoute: IndexRoute,
   AnalyticsRoute: AnalyticsRoute,
+  BankConnectedRoute: BankConnectedRoute,
   NotificationsRoute: NotificationsRoute,
   SettingsRoute: SettingsRoute,
   SystemRoute: SystemRoute,

frontend/src/routes/__root.tsx

@@ -5,10 +5,11 @@ import { PWAInstallPrompt, PWAUpdatePrompt } from "../components/PWAPrompts";
 import { usePWA } from "../hooks/usePWA";
 import { useVersionCheck } from "../hooks/useVersionCheck";
 import { SidebarInset, SidebarProvider } from "../components/ui/sidebar";
+import { Toaster } from "../components/ui/sonner";
 
 function RootLayout() {
   const { updateAvailable, updateSW, forceReload } = usePWA();
-  
+
   // Check for version mismatches and force reload if needed
   useVersionCheck(forceReload);
 
@@ -48,6 +49,9 @@ function RootLayout() {
         updateAvailable={updateAvailable}
         onUpdate={handlePWAUpdate}
       />
+
+      {/* Toast Notifications */}
+      <Toaster />
     </SidebarProvider>
   );
 }

frontend/src/routes/bank-connected.tsx

@@ -0,0 +1,57 @@
+import { createFileRoute, useSearch } from "@tanstack/react-router";
+import { CheckCircle, ArrowLeft } from "lucide-react";
+import { Button } from "../components/ui/button";
+import {
+  Card,
+  CardContent,
+  CardHeader,
+  CardTitle,
+} from "../components/ui/card";
+
+function BankConnected() {
+  const search = useSearch({ from: "/bank-connected" });
+
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-background p-4">
+      <Card className="w-full max-w-md">
+        <CardHeader className="text-center pb-2">
+          <div className="mx-auto mb-4">
+            <CheckCircle className="h-16 w-16 text-green-500" />
+          </div>
+          <CardTitle className="text-2xl">Account Connected!</CardTitle>
+        </CardHeader>
+        <CardContent className="text-center space-y-4">
+          <p className="text-muted-foreground">
+            Your bank account has been successfully connected to Leggen. We'll
+            start syncing your transactions shortly.
+          </p>
+
+          {search?.bank && (
+            <p className="text-sm text-muted-foreground">
+              Connected to: <strong>{search.bank}</strong>
+            </p>
+          )}
+
+          <div className="pt-4">
+            <Button
+              onClick={() => (window.location.href = "/settings")}
+              className="w-full"
+            >
+              <ArrowLeft className="h-4 w-4 mr-2" />
+              Go to Settings
+            </Button>
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}
+
+export const Route = createFileRoute("/bank-connected")({
+  component: BankConnected,
+  validateSearch: (search: Record<string, unknown>) => {
+    return {
+      bank: (search.bank as string) || undefined,
+    };
+  },
+});

frontend/src/types/api.ts

@@ -242,3 +242,69 @@ export interface SyncOperationsResponse {
   operations: SyncOperation[];
   count: number;
 }
+
+// Bank-related types
+export interface BankInstitution {
+  id: string;
+  name: string;
+  bic?: string;
+  transaction_total_days: number;
+  countries: string[];
+  logo?: string;
+}
+
+export interface BankRequisition {
+  id: string;
+  institution_id: string;
+  status: string;
+  status_display?: string;
+  created: string;
+  link: string;
+  accounts: string[];
+}
+
+export interface BankConnectionStatus {
+  bank_id: string;
+  bank_name: string;
+  status: string;
+  status_display: string;
+  created_at: string;
+  requisition_id: string;
+  accounts_count: number;
+}
+
+export interface Country {
+  code: string;
+  name: string;
+}
+
+// Backup types
+export interface S3Config {
+  access_key_id: string;
+  secret_access_key: string;
+  bucket_name: string;
+  region: string;
+  endpoint_url?: string;
+  path_style: boolean;
+  enabled: boolean;
+}
+
+export interface BackupSettings {
+  s3?: S3Config;
+}
+
+export interface BackupTest {
+  service: string;
+  config: S3Config;
+}
+
+export interface BackupInfo {
+  key: string;
+  last_modified: string;
+  size: number;
+}
+
+export interface BackupOperation {
+  operation: string;
+  backup_key?: string;
+}

leggen/api/models/backup.py

@@ -0,0 +1,49 @@
+"""API models for backup endpoints."""
+
+from typing import Optional
+
+from pydantic import BaseModel, Field
+
+
+class S3Config(BaseModel):
+    """S3 backup configuration model for API."""
+
+    access_key_id: str = Field(..., description="AWS S3 access key ID")
+    secret_access_key: str = Field(..., description="AWS S3 secret access key")
+    bucket_name: str = Field(..., description="S3 bucket name")
+    region: str = Field(default="us-east-1", description="AWS S3 region")
+    endpoint_url: Optional[str] = Field(
+        default=None, description="Custom S3 endpoint URL"
+    )
+    path_style: bool = Field(default=False, description="Use path-style addressing")
+    enabled: bool = Field(default=True, description="Enable S3 backups")
+
+
+class BackupSettings(BaseModel):
+    """Backup settings model for API."""
+
+    s3: Optional[S3Config] = None
+
+
+class BackupTest(BaseModel):
+    """Backup connection test request model."""
+
+    service: str = Field(..., description="Backup service type (s3)")
+    config: S3Config = Field(..., description="S3 configuration to test")
+
+
+class BackupInfo(BaseModel):
+    """Backup file information model."""
+
+    key: str = Field(..., description="S3 object key")
+    last_modified: str = Field(..., description="Last modified timestamp (ISO format)")
+    size: int = Field(..., description="File size in bytes")
+
+
+class BackupOperation(BaseModel):
+    """Backup operation request model."""
+
+    operation: str = Field(..., description="Operation type (backup, restore)")
+    backup_key: Optional[str] = Field(
+        default=None, description="Backup key for restore operations"
+    )

leggen/api/routes/backup.py

@@ -0,0 +1,264 @@
+"""API routes for backup management."""
+
+from fastapi import APIRouter, HTTPException
+from loguru import logger
+
+from leggen.api.models.backup import (
+    BackupOperation,
+    BackupSettings,
+    BackupTest,
+    S3Config,
+)
+from leggen.api.models.common import APIResponse
+from leggen.models.config import S3BackupConfig
+from leggen.services.backup_service import BackupService
+from leggen.utils.config import config
+from leggen.utils.paths import path_manager
+
+router = APIRouter()
+
+
+@router.get("/backup/settings", response_model=APIResponse)
+async def get_backup_settings() -> APIResponse:
+    """Get current backup settings."""
+    try:
+        backup_config = config.backup_config
+
+        # Build response safely without exposing secrets
+        s3_config = backup_config.get("s3", {})
+
+        settings = BackupSettings(
+            s3=S3Config(
+                access_key_id="***" if s3_config.get("access_key_id") else "",
+                secret_access_key="***" if s3_config.get("secret_access_key") else "",
+                bucket_name=s3_config.get("bucket_name", ""),
+                region=s3_config.get("region", "us-east-1"),
+                endpoint_url=s3_config.get("endpoint_url"),
+                path_style=s3_config.get("path_style", False),
+                enabled=s3_config.get("enabled", True),
+            )
+            if s3_config.get("bucket_name")
+            else None,
+        )
+
+        return APIResponse(
+            success=True,
+            data=settings,
+            message="Backup settings retrieved successfully",
+        )
+
+    except Exception as e:
+        logger.error(f"Failed to get backup settings: {e}")
+        raise HTTPException(
+            status_code=500, detail=f"Failed to get backup settings: {str(e)}"
+        ) from e
+
+
+@router.put("/backup/settings", response_model=APIResponse)
+async def update_backup_settings(settings: BackupSettings) -> APIResponse:
+    """Update backup settings."""
+    try:
+        # First test the connection if S3 config is provided
+        if settings.s3:
+            # Convert API model to config model
+            s3_config = S3BackupConfig(
+                access_key_id=settings.s3.access_key_id,
+                secret_access_key=settings.s3.secret_access_key,
+                bucket_name=settings.s3.bucket_name,
+                region=settings.s3.region,
+                endpoint_url=settings.s3.endpoint_url,
+                path_style=settings.s3.path_style,
+                enabled=settings.s3.enabled,
+            )
+
+            # Test connection
+            backup_service = BackupService()
+            connection_success = await backup_service.test_connection(s3_config)
+
+            if not connection_success:
+                raise HTTPException(
+                    status_code=400,
+                    detail="S3 connection test failed. Please check your configuration.",
+                )
+
+        # Update backup config
+        backup_config = {}
+
+        if settings.s3:
+            backup_config["s3"] = {
+                "access_key_id": settings.s3.access_key_id,
+                "secret_access_key": settings.s3.secret_access_key,
+                "bucket_name": settings.s3.bucket_name,
+                "region": settings.s3.region,
+                "endpoint_url": settings.s3.endpoint_url,
+                "path_style": settings.s3.path_style,
+                "enabled": settings.s3.enabled,
+            }
+
+        # Save to config
+        if backup_config:
+            config.update_section("backup", backup_config)
+
+        return APIResponse(
+            success=True,
+            data={"updated": True},
+            message="Backup settings updated successfully",
+        )
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Failed to update backup settings: {e}")
+        raise HTTPException(
+            status_code=500, detail=f"Failed to update backup settings: {str(e)}"
+        ) from e
+
+
+@router.post("/backup/test", response_model=APIResponse)
+async def test_backup_connection(test_request: BackupTest) -> APIResponse:
+    """Test backup connection."""
+    try:
+        if test_request.service != "s3":
+            raise HTTPException(
+                status_code=400, detail="Only 's3' service is supported"
+            )
+
+        # Convert API model to config model
+        s3_config = S3BackupConfig(
+            access_key_id=test_request.config.access_key_id,
+            secret_access_key=test_request.config.secret_access_key,
+            bucket_name=test_request.config.bucket_name,
+            region=test_request.config.region,
+            endpoint_url=test_request.config.endpoint_url,
+            path_style=test_request.config.path_style,
+            enabled=test_request.config.enabled,
+        )
+
+        backup_service = BackupService()
+        success = await backup_service.test_connection(s3_config)
+
+        if success:
+            return APIResponse(
+                success=True,
+                data={"connected": True},
+                message="S3 connection test successful",
+            )
+        else:
+            return APIResponse(
+                success=False,
+                message="S3 connection test failed",
+            )
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Failed to test backup connection: {e}")
+        raise HTTPException(
+            status_code=500, detail=f"Failed to test backup connection: {str(e)}"
+        ) from e
+
+
+@router.get("/backup/list", response_model=APIResponse)
+async def list_backups() -> APIResponse:
+    """List available backups."""
+    try:
+        backup_config = config.backup_config.get("s3", {})
+
+        if not backup_config.get("bucket_name"):
+            return APIResponse(
+                success=True,
+                data=[],
+                message="No S3 backup configuration found",
+            )
+
+        # Convert config to model
+        s3_config = S3BackupConfig(**backup_config)
+        backup_service = BackupService(s3_config)
+
+        backups = await backup_service.list_backups()
+
+        return APIResponse(
+            success=True,
+            data=backups,
+            message=f"Found {len(backups)} backups",
+        )
+
+    except Exception as e:
+        logger.error(f"Failed to list backups: {e}")
+        raise HTTPException(
+            status_code=500, detail=f"Failed to list backups: {str(e)}"
+        ) from e
+
+
+@router.post("/backup/operation", response_model=APIResponse)
+async def backup_operation(operation_request: BackupOperation) -> APIResponse:
+    """Perform backup operation (backup or restore)."""
+    try:
+        backup_config = config.backup_config.get("s3", {})
+
+        if not backup_config.get("bucket_name"):
+            raise HTTPException(status_code=400, detail="S3 backup is not configured")
+
+        # Convert config to model with validation
+        try:
+            s3_config = S3BackupConfig(**backup_config)
+        except Exception as e:
+            raise HTTPException(
+                status_code=400, detail=f"Invalid S3 configuration: {str(e)}"
+            ) from e
+
+        backup_service = BackupService(s3_config)
+
+        if operation_request.operation == "backup":
+            # Backup database
+            database_path = path_manager.get_database_path()
+            success = await backup_service.backup_database(database_path)
+
+            if success:
+                return APIResponse(
+                    success=True,
+                    data={"operation": "backup", "completed": True},
+                    message="Database backup completed successfully",
+                )
+            else:
+                return APIResponse(
+                    success=False,
+                    message="Database backup failed",
+                )
+
+        elif operation_request.operation == "restore":
+            if not operation_request.backup_key:
+                raise HTTPException(
+                    status_code=400,
+                    detail="backup_key is required for restore operation",
+                )
+
+            # Restore database
+            database_path = path_manager.get_database_path()
+            success = await backup_service.restore_database(
+                operation_request.backup_key, database_path
+            )
+
+            if success:
+                return APIResponse(
+                    success=True,
+                    data={"operation": "restore", "completed": True},
+                    message="Database restore completed successfully",
+                )
+            else:
+                return APIResponse(
+                    success=False,
+                    message="Database restore failed",
+                )
+        else:
+            raise HTTPException(
+                status_code=400, detail="Invalid operation. Use 'backup' or 'restore'"
+            )
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Failed to perform backup operation: {e}")
+        raise HTTPException(
+            status_code=500, detail=f"Failed to perform backup operation: {str(e)}"
+        ) from e

leggen/api/routes/banks.py

@@ -1,3 +1,4 @@
+import httpx
 from fastapi import APIRouter, HTTPException, Query
 from loguru import logger
 
@@ -22,7 +23,11 @@ async def get_bank_institutions(
     """Get available bank institutions for a country"""
     try:
         institutions_response = await gocardless_service.get_institutions(country)
-        institutions_data = institutions_response.get("results", [])
+        # Handle both list and dict responses
+        if isinstance(institutions_response, list):
+            institutions_data = institutions_response
+        else:
+            institutions_data = institutions_response.get("results", [])
 
         institutions = [
             BankInstitution(
@@ -122,13 +127,36 @@ async def get_bank_connections_status() -> APIResponse:
 async def delete_bank_connection(requisition_id: str) -> APIResponse:
     """Delete a bank connection"""
     try:
-        # This would need to be implemented in GoCardlessService
-        # For now, return success
+        # Delete the requisition from GoCardless
+        result = await gocardless_service.delete_requisition(requisition_id)
+
+        # GoCardless returns different responses for successful deletes
+        # We should check if the operation was actually successful
+        logger.info(f"GoCardless delete response for {requisition_id}: {result}")
+
         return APIResponse(
             success=True,
             message=f"Bank connection {requisition_id} deleted successfully",
         )
 
+    except httpx.HTTPStatusError as http_err:
+        logger.error(
+            f"HTTP error deleting bank connection {requisition_id}: {http_err}"
+        )
+        if http_err.response.status_code == 404:
+            raise HTTPException(
+                status_code=404, detail=f"Bank connection {requisition_id} not found"
+            ) from http_err
+        elif http_err.response.status_code == 400:
+            raise HTTPException(
+                status_code=400,
+                detail=f"Invalid request to delete connection {requisition_id}",
+            ) from http_err
+        else:
+            raise HTTPException(
+                status_code=http_err.response.status_code,
+                detail=f"GoCardless API error: {http_err}",
+            ) from http_err
     except Exception as e:
         logger.error(f"Failed to delete bank connection {requisition_id}: {e}")
         raise HTTPException(

leggen/commands/bank/add.py

@@ -2,7 +2,6 @@ import click
 
 from leggen.api_client import LeggenAPIClient
 from leggen.main import cli
-from leggen.utils.disk import save_file
 from leggen.utils.text import info, print_table, success, warning
 
 
@@ -63,9 +62,6 @@ def add(ctx):
         # Connect to bank via API
         result = api_client.connect_to_bank(bank_id, "http://localhost:8000/")
 
-        # Save requisition details
-        save_file(f"req_{result['id']}.json", result)
-
         success("Bank connection request created successfully!")
         warning(
             "Please open the following URL in your browser to complete the authorization:"

leggen/commands/server.py

@@ -7,7 +7,7 @@ from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from loguru import logger
 
-from leggen.api.routes import accounts, banks, notifications, sync, transactions
+from leggen.api.routes import accounts, backup, banks, notifications, sync, transactions
 from leggen.background.scheduler import scheduler
 from leggen.utils.config import config
 from leggen.utils.paths import path_manager
@@ -81,6 +81,7 @@ def create_app() -> FastAPI:
     app.include_router(transactions.router, prefix="/api/v1", tags=["transactions"])
     app.include_router(sync.router, prefix="/api/v1", tags=["sync"])
     app.include_router(notifications.router, prefix="/api/v1", tags=["notifications"])
+    app.include_router(backup.router, prefix="/api/v1", tags=["backup"])
 
     @app.get("/api/v1/health")
     async def health():

leggen/models/config.py

@@ -32,6 +32,22 @@ class NotificationConfig(BaseModel):
     telegram: Optional[TelegramNotificationConfig] = None
 
 
+class S3BackupConfig(BaseModel):
+    access_key_id: str = Field(..., description="AWS S3 access key ID")
+    secret_access_key: str = Field(..., description="AWS S3 secret access key")
+    bucket_name: str = Field(..., description="S3 bucket name")
+    region: str = Field(default="us-east-1", description="AWS S3 region")
+    endpoint_url: Optional[str] = Field(
+        default=None, description="Custom S3 endpoint URL"
+    )
+    path_style: bool = Field(default=False, description="Use path-style addressing")
+    enabled: bool = Field(default=True, description="Enable S3 backups")
+
+
+class BackupConfig(BaseModel):
+    s3: Optional[S3BackupConfig] = None
+
+
 class FilterConfig(BaseModel):
     case_insensitive: Optional[List[str]] = Field(default_factory=list)
     case_sensitive: Optional[List[str]] = Field(default_factory=list)
@@ -56,3 +72,4 @@ class Config(BaseModel):
     notifications: Optional[NotificationConfig] = None
     filters: Optional[FilterConfig] = None
     scheduler: SchedulerConfig = Field(default_factory=SchedulerConfig)
+    backup: Optional[BackupConfig] = None

leggen/models/database.py

@@ -0,0 +1,93 @@
+"""SQLModel database models for Leggen."""
+
+from datetime import datetime
+from typing import Optional
+
+from sqlmodel import JSON, Column, Field, SQLModel
+
+
+class Account(SQLModel, table=True):
+    """Account model."""
+
+    __tablename__ = "accounts"
+
+    id: str = Field(primary_key=True)
+    institution_id: str = Field(index=True)
+    status: str = Field(index=True)
+    iban: Optional[str] = None
+    name: Optional[str] = None
+    currency: Optional[str] = None
+    created: datetime
+    last_accessed: Optional[datetime] = None
+    last_updated: Optional[datetime] = None
+    display_name: Optional[str] = None
+    logo: Optional[str] = None
+
+
+class Balance(SQLModel, table=True):
+    """Balance model."""
+
+    __tablename__ = "balances"
+
+    id: Optional[int] = Field(default=None, primary_key=True)
+    account_id: str = Field(index=True)
+    bank: str
+    status: str
+    iban: str
+    amount: float
+    currency: str
+    type: str
+    timestamp: datetime = Field(index=True)
+
+
+class Transaction(SQLModel, table=True):
+    """Transaction model."""
+
+    __tablename__ = "transactions"
+
+    accountId: str = Field(primary_key=True)
+    transactionId: str = Field(primary_key=True)
+    internalTransactionId: Optional[str] = Field(default=None, index=True)
+    institutionId: str
+    iban: Optional[str] = None
+    transactionDate: Optional[datetime] = Field(default=None, index=True)
+    description: Optional[str] = None
+    transactionValue: Optional[float] = Field(default=None, index=True)
+    transactionCurrency: Optional[str] = None
+    transactionStatus: Optional[str] = None
+    rawTransaction: dict = Field(sa_column=Column(JSON))
+
+
+class TransactionEnrichment(SQLModel, table=True):
+    """Transaction enrichment model."""
+
+    __tablename__ = "transaction_enrichments"
+
+    accountId: str = Field(primary_key=True, foreign_key="transactions.accountId")
+    transactionId: str = Field(
+        primary_key=True, foreign_key="transactions.transactionId"
+    )
+    clean_name: Optional[str] = Field(default=None, index=True)
+    category: Optional[str] = Field(default=None, index=True)
+    logo_url: Optional[str] = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class SyncOperation(SQLModel, table=True):
+    """Sync operation model."""
+
+    __tablename__ = "sync_operations"
+
+    id: Optional[int] = Field(default=None, primary_key=True)
+    started_at: datetime = Field(index=True)
+    completed_at: Optional[datetime] = None
+    success: Optional[bool] = Field(default=None, index=True)
+    accounts_processed: int = Field(default=0)
+    transactions_added: int = Field(default=0)
+    transactions_updated: int = Field(default=0)
+    balances_updated: int = Field(default=0)
+    duration_seconds: Optional[float] = None
+    errors: Optional[str] = None
+    logs: Optional[str] = None
+    trigger_type: str = Field(default="manual", index=True)

leggen/services/backup_service.py

@@ -0,0 +1,192 @@
+"""Backup service for S3 storage."""
+
+import tempfile
+from datetime import datetime
+from pathlib import Path
+from typing import Optional
+
+import boto3
+from botocore.exceptions import ClientError, NoCredentialsError
+from loguru import logger
+
+from leggen.models.config import S3BackupConfig
+
+
+class BackupService:
+    """Service for managing S3 backups."""
+
+    def __init__(self, s3_config: Optional[S3BackupConfig] = None):
+        """Initialize backup service with S3 configuration."""
+        self.s3_config = s3_config
+        self._s3_client = None
+
+    def _get_s3_client(self, config: Optional[S3BackupConfig] = None):
+        """Get or create S3 client with current configuration."""
+        current_config = config or self.s3_config
+        if not current_config:
+            raise ValueError("S3 configuration is required")
+
+        # Create S3 client with configuration
+        session = boto3.Session(
+            aws_access_key_id=current_config.access_key_id,
+            aws_secret_access_key=current_config.secret_access_key,
+            region_name=current_config.region,
+        )
+
+        s3_kwargs = {}
+        if current_config.endpoint_url:
+            s3_kwargs["endpoint_url"] = current_config.endpoint_url
+
+        if current_config.path_style:
+            from botocore.config import Config
+
+            s3_kwargs["config"] = Config(s3={"addressing_style": "path"})
+
+        return session.client("s3", **s3_kwargs)
+
+    async def test_connection(self, config: S3BackupConfig) -> bool:
+        """Test S3 connection with provided configuration.
+
+        Args:
+            config: S3 configuration to test
+
+        Returns:
+            True if connection successful, False otherwise
+        """
+        try:
+            s3_client = self._get_s3_client(config)
+
+            # Try to list objects in the bucket (limited to 1 to minimize cost)
+            s3_client.list_objects_v2(Bucket=config.bucket_name, MaxKeys=1)
+
+            logger.info(
+                f"S3 connection test successful for bucket: {config.bucket_name}"
+            )
+            return True
+
+        except NoCredentialsError:
+            logger.error("S3 credentials not found or invalid")
+            return False
+        except ClientError as e:
+            error_code = e.response["Error"]["Code"]
+            logger.error(
+                f"S3 connection test failed: {error_code} - {e.response['Error']['Message']}"
+            )
+            return False
+        except Exception as e:
+            logger.error(f"Unexpected error during S3 connection test: {str(e)}")
+            return False
+
+    async def backup_database(self, database_path: Path) -> bool:
+        """Backup database file to S3.
+
+        Args:
+            database_path: Path to the SQLite database file
+
+        Returns:
+            True if backup successful, False otherwise
+        """
+        if not self.s3_config or not self.s3_config.enabled:
+            logger.warning("S3 backup is not configured or disabled")
+            return False
+
+        if not database_path.exists():
+            logger.error(f"Database file not found: {database_path}")
+            return False
+
+        try:
+            s3_client = self._get_s3_client()
+
+            # Generate backup filename with timestamp
+            timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+            backup_key = f"leggen_backups/database_backup_{timestamp}.db"
+
+            # Upload database file
+            logger.info(f"Starting database backup to S3: {backup_key}")
+            s3_client.upload_file(
+                str(database_path), self.s3_config.bucket_name, backup_key
+            )
+
+            logger.info(f"Database backup completed successfully: {backup_key}")
+            return True
+
+        except Exception as e:
+            logger.error(f"Database backup failed: {str(e)}")
+            return False
+
+    async def list_backups(self) -> list[dict]:
+        """List available backups in S3.
+
+        Returns:
+            List of backup metadata dictionaries
+        """
+        if not self.s3_config or not self.s3_config.enabled:
+            logger.warning("S3 backup is not configured or disabled")
+            return []
+
+        try:
+            s3_client = self._get_s3_client()
+
+            # List objects with backup prefix
+            response = s3_client.list_objects_v2(
+                Bucket=self.s3_config.bucket_name, Prefix="leggen_backups/"
+            )
+
+            backups = []
+            for obj in response.get("Contents", []):
+                backups.append(
+                    {
+                        "key": obj["Key"],
+                        "last_modified": obj["LastModified"].isoformat(),
+                        "size": obj["Size"],
+                    }
+                )
+
+            # Sort by last modified (newest first)
+            backups.sort(key=lambda x: x["last_modified"], reverse=True)
+
+            return backups
+
+        except Exception as e:
+            logger.error(f"Failed to list backups: {str(e)}")
+            return []
+
+    async def restore_database(self, backup_key: str, restore_path: Path) -> bool:
+        """Restore database from S3 backup.
+
+        Args:
+            backup_key: S3 key of the backup to restore
+            restore_path: Path where to restore the database
+
+        Returns:
+            True if restore successful, False otherwise
+        """
+        if not self.s3_config or not self.s3_config.enabled:
+            logger.warning("S3 backup is not configured or disabled")
+            return False
+
+        try:
+            s3_client = self._get_s3_client()
+
+            # Download backup file
+            logger.info(f"Starting database restore from S3: {backup_key}")
+
+            # Create parent directory if it doesn't exist
+            restore_path.parent.mkdir(parents=True, exist_ok=True)
+
+            # Download to temporary file first, then move to final location
+            with tempfile.NamedTemporaryFile(delete=False) as temp_file:
+                s3_client.download_file(
+                    self.s3_config.bucket_name, backup_key, temp_file.name
+                )
+
+                # Move temp file to final location
+                temp_path = Path(temp_file.name)
+                temp_path.replace(restore_path)
+
+            logger.info(f"Database restore completed successfully: {restore_path}")
+            return True
+
+        except Exception as e:
+            logger.error(f"Database restore failed: {str(e)}")
+            return False

leggen/services/database.py

@@ -0,0 +1,65 @@
+"""Database connection and session management using SQLModel."""
+
+from contextlib import contextmanager
+from typing import Generator
+
+from loguru import logger
+from sqlalchemy import create_engine
+from sqlalchemy.pool import StaticPool
+from sqlmodel import Session, SQLModel
+
+from leggen.utils.paths import path_manager
+
+_engine = None
+
+
+def get_database_url() -> str:
+    """Get the database URL for SQLAlchemy."""
+    db_path = path_manager.get_database_path()
+    return f"sqlite:///{db_path}"
+
+
+def get_engine():
+    """Get or create the database engine."""
+    global _engine
+    if _engine is None:
+        db_url = get_database_url()
+        _engine = create_engine(
+            db_url,
+            connect_args={"check_same_thread": False},
+            poolclass=StaticPool,
+            echo=False,
+        )
+    return _engine
+
+
+def create_db_and_tables():
+    """Create all database tables."""
+    engine = get_engine()
+    SQLModel.metadata.create_all(engine)
+    logger.info("Database tables created/verified")
+
+
+@contextmanager
+def get_session() -> Generator[Session, None, None]:
+    """Get a database session context manager.
+
+    Usage:
+        with get_session() as session:
+            result = session.exec(select(Account)).all()
+    """
+    session = Session(get_engine())
+    try:
+        yield session
+        session.commit()
+    except Exception as e:
+        session.rollback()
+        logger.error(f"Database session error: {e}")
+        raise
+    finally:
+        session.close()
+
+
+def init_database():
+    """Initialize the database with tables."""
+    create_db_and_tables()

leggen/services/database_helpers.py

@@ -0,0 +1,64 @@
+"""Database helper utilities for Leggen - Compatibility layer."""
+
+import sqlite3
+from contextlib import contextmanager
+from pathlib import Path
+from typing import Any, Generator
+
+from loguru import logger
+
+
+@contextmanager
+def get_db_connection(db_path: Path) -> Generator[sqlite3.Connection, None, None]:
+    """Context manager for database connections.
+
+    Usage:
+        with get_db_connection(db_path) as conn:
+            cursor = conn.cursor()
+            cursor.execute(...)
+            conn.commit()
+    """
+    conn = None
+    try:
+        conn = sqlite3.connect(str(db_path))
+        conn.row_factory = sqlite3.Row  # Enable dict-like access
+        yield conn
+    except Exception as e:
+        if conn:
+            conn.rollback()
+        logger.error(f"Database error: {e}")
+        raise
+    finally:
+        if conn:
+            conn.close()
+
+
+def execute_query(
+    db_path: Path, query: str, params: tuple = ()
+) -> list[dict[str, Any]]:
+    """Execute a SELECT query and return results as list of dicts."""
+    with get_db_connection(db_path) as conn:
+        cursor = conn.cursor()
+        cursor.execute(query, params)
+        rows = cursor.fetchall()
+        return [dict(row) for row in rows]
+
+
+def execute_single(
+    db_path: Path, query: str, params: tuple = ()
+) -> dict[str, Any] | None:
+    """Execute a SELECT query and return a single result as dict or None."""
+    with get_db_connection(db_path) as conn:
+        cursor = conn.cursor()
+        cursor.execute(query, params)
+        row = cursor.fetchone()
+        return dict(row) if row else None
+
+
+def execute_count(db_path: Path, query: str, params: tuple = ()) -> int:
+    """Execute a COUNT query and return the integer result."""
+    with get_db_connection(db_path) as conn:
+        cursor = conn.cursor()
+        cursor.execute(query, params)
+        result = cursor.fetchone()
+        return result[0] if result else 0

leggen/services/gocardless_service.py

@@ -9,16 +9,21 @@ from leggen.utils.config import config
 from leggen.utils.paths import path_manager
 
 
-def _log_rate_limits(response):
+def _log_rate_limits(response, method, url):
     """Log GoCardless API rate limit headers"""
     limit = response.headers.get("http_x_ratelimit_limit")
     remaining = response.headers.get("http_x_ratelimit_remaining")
     reset = response.headers.get("http_x_ratelimit_reset")
 
-    if limit or remaining or reset:
-        logger.info(
-            f"GoCardless rate limits - Limit: {limit}, Remaining: {remaining}, Reset: {reset}s"
-        )
+    account_limit = response.headers.get("http_x_ratelimit_account_success_limit")
+    account_remaining = response.headers.get(
+        "http_x_ratelimit_account_success_remaining"
+    )
+    account_reset = response.headers.get("http_x_ratelimit_account_success_reset")
+
+    logger.debug(
+        f"{method} {url} Limit/Remaining/Reset (Global: {limit}/{remaining}/{reset}s) (Account: {account_limit}/{account_remaining}/{account_reset}s)"
+    )
 
 
 class GoCardlessService:
@@ -37,7 +42,7 @@ class GoCardlessService:
 
         async with httpx.AsyncClient() as client:
             response = await client.request(method, url, headers=headers, **kwargs)
-            _log_rate_limits(response)
+            _log_rate_limits(response, method, url)
 
             # If we get 401, clear token cache and retry once
             if response.status_code == 401:
@@ -45,7 +50,7 @@ class GoCardlessService:
                 self._token = None
                 headers = await self._get_auth_headers()
                 response = await client.request(method, url, headers=headers, **kwargs)
-                _log_rate_limits(response)
+                _log_rate_limits(response, method, url)
 
             response.raise_for_status()
             return response.json()
@@ -76,7 +81,9 @@ class GoCardlessService:
                                 f"{self.base_url}/token/refresh/",
                                 json={"refresh": auth["refresh"]},
                             )
-                            _log_rate_limits(response)
+                            _log_rate_limits(
+                                response, "POST", f"{self.base_url}/token/refresh/"
+                            )
                             response.raise_for_status()
                             auth.update(response.json())
                             self._save_auth(auth)
@@ -104,7 +111,7 @@ class GoCardlessService:
                         "secret_key": self.config["secret"],
                     },
                 )
-                _log_rate_limits(response)
+                _log_rate_limits(response, "POST", f"{self.base_url}/token/new/")
                 response.raise_for_status()
                 auth = response.json()
                 self._save_auth(auth)
@@ -144,6 +151,12 @@ class GoCardlessService:
             "GET", f"{self.base_url}/requisitions/"
         )
 
+    async def delete_requisition(self, requisition_id: str) -> Dict[str, Any]:
+        """Delete a requisition"""
+        return await self._make_authenticated_request(
+            "DELETE", f"{self.base_url}/requisitions/{requisition_id}/"
+        )
+
     async def get_account_details(self, account_id: str) -> Dict[str, Any]:
         """Get account details"""
         return await self._make_authenticated_request(

leggen/utils/config.py

@@ -162,6 +162,11 @@ class Config:
         }
         return self.config.get("scheduler", default_schedule)
 
+    @property
+    def backup_config(self) -> Dict[str, Any]:
+        """Get backup configuration"""
+        return self.config.get("backup", {})
+
 
 def load_config(ctx: click.Context, _, filename):
     try:

leggen/utils/disk.py

@@ -1,35 +0,0 @@
-import json
-import sys
-from pathlib import Path
-
-import click
-
-from leggen.utils.text import error, info
-
-
-def save_file(name: str, d: dict):
-    Path.mkdir(Path(click.get_app_dir("leggen")), exist_ok=True)
-    config_file = click.get_app_dir("leggen") / Path(name)
-
-    with click.open_file(str(config_file), "w") as f:
-        json.dump(d, f)
-        info(f"Wrote configuration file at '{config_file}'")
-
-
-def load_file(name: str) -> dict:
-    config_file = click.get_app_dir("leggen") / Path(name)
-    try:
-        with click.open_file(str(config_file), "r") as f:
-            config = json.load(f)
-            return config
-    except FileNotFoundError:
-        error(f"Configuration file '{config_file}' not found")
-        sys.exit(1)
-
-
-def get_prefixed_files(prefix: str) -> list:
-    return [
-        f.name
-        for f in Path(click.get_app_dir("leggen")).iterdir()
-        if f.name.startswith(prefix)
-    ]

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "leggen"
-version = "2025.9.23"
+version = "2025.9.26"
 description = "An Open Banking CLI"
 authors = [{ name = "Elisiário Couto", email = "elisiario@couto.io" }]
 requires-python = "~=3.13.0"
@@ -35,6 +35,9 @@ dependencies = [
     "tomli-w>=1.0.0,<2",
     "httpx>=0.28.1",
     "pydantic>=2.0.0,<3",
+    "boto3>=1.35.0,<2",
+    "sqlmodel>=0.0.25",
+    "alembic>=1.16.5",
 ]
 
 [project.urls]
@@ -88,5 +91,5 @@ markers = [
 ]
 
 [[tool.mypy.overrides]]
-module = ["apscheduler.*", "discord_webhook.*"]
+module = ["apscheduler.*", "discord_webhook.*", "botocore.*", "boto3.*"]
 ignore_missing_imports = true

scripts/release.sh

@@ -42,6 +42,9 @@ echo " > Version bumped to $NEXT_VERSION"
 echo "Updating CHANGELOG.md"
 git-cliff --unreleased --tag "$NEXT_VERSION" --prepend CHANGELOG.md > /dev/null
 
+echo "Locking dependencies"
+uv lock
+
 echo " > Commiting changes and adding git tag"
 git add pyproject.toml CHANGELOG.md uv.lock
 git commit -m "chore(ci): Bump version to $NEXT_VERSION"

tests/unit/test_api_backup.py

@@ -0,0 +1,303 @@
+"""Tests for backup API endpoints."""
+
+from unittest.mock import patch
+
+import pytest
+
+
+@pytest.mark.api
+class TestBackupAPI:
+    """Test backup-related API endpoints."""
+
+    def test_get_backup_settings_no_config(self, api_client, mock_config):
+        """Test getting backup settings with no configuration."""
+        # Mock empty backup config by updating the config dict
+        mock_config._config["backup"] = {}
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.get("/api/v1/backup/settings")
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert data["data"]["s3"] is None
+
+    def test_get_backup_settings_with_s3_config(self, api_client, mock_config):
+        """Test getting backup settings with S3 configuration."""
+        # Mock S3 backup config (with masked credentials)
+        mock_config._config["backup"] = {
+            "s3": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "endpoint_url": None,
+                "path_style": False,
+                "enabled": True,
+            }
+        }
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.get("/api/v1/backup/settings")
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert data["data"]["s3"] is not None
+
+        s3_config = data["data"]["s3"]
+        assert s3_config["access_key_id"] == "***"  # Masked
+        assert s3_config["secret_access_key"] == "***"  # Masked
+        assert s3_config["bucket_name"] == "test-bucket"
+        assert s3_config["region"] == "us-east-1"
+        assert s3_config["enabled"] is True
+
+    @patch("leggen.services.backup_service.BackupService.test_connection")
+    def test_update_backup_settings_success(
+        self, mock_test_connection, api_client, mock_config
+    ):
+        """Test successful backup settings update."""
+        mock_test_connection.return_value = True
+        mock_config._config["backup"] = {}
+
+        request_data = {
+            "s3": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "endpoint_url": None,
+                "path_style": False,
+                "enabled": True,
+            }
+        }
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.put("/api/v1/backup/settings", json=request_data)
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert data["data"]["updated"] is True
+
+        # Verify connection test was called
+        mock_test_connection.assert_called_once()
+
+    @patch("leggen.services.backup_service.BackupService.test_connection")
+    def test_update_backup_settings_connection_failure(
+        self, mock_test_connection, api_client, mock_config
+    ):
+        """Test backup settings update with connection test failure."""
+        mock_test_connection.return_value = False
+        mock_config._config["backup"] = {}
+
+        request_data = {
+            "s3": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "invalid-bucket",
+                "region": "us-east-1",
+                "endpoint_url": None,
+                "path_style": False,
+                "enabled": True,
+            }
+        }
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.put("/api/v1/backup/settings", json=request_data)
+
+        assert response.status_code == 400
+        data = response.json()
+        assert "S3 connection test failed" in data["detail"]
+
+    @patch("leggen.services.backup_service.BackupService.test_connection")
+    def test_test_backup_connection_success(self, mock_test_connection, api_client):
+        """Test successful backup connection test."""
+        mock_test_connection.return_value = True
+
+        request_data = {
+            "service": "s3",
+            "config": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "endpoint_url": None,
+                "path_style": False,
+                "enabled": True,
+            },
+        }
+
+        response = api_client.post("/api/v1/backup/test", json=request_data)
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert data["data"]["connected"] is True
+
+        # Verify connection test was called
+        mock_test_connection.assert_called_once()
+
+    @patch("leggen.services.backup_service.BackupService.test_connection")
+    def test_test_backup_connection_failure(self, mock_test_connection, api_client):
+        """Test failed backup connection test."""
+        mock_test_connection.return_value = False
+
+        request_data = {
+            "service": "s3",
+            "config": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "invalid-bucket",
+                "region": "us-east-1",
+                "endpoint_url": None,
+                "path_style": False,
+                "enabled": True,
+            },
+        }
+
+        response = api_client.post("/api/v1/backup/test", json=request_data)
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is False
+
+    def test_test_backup_connection_invalid_service(self, api_client):
+        """Test backup connection test with invalid service."""
+        request_data = {
+            "service": "invalid",
+            "config": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "endpoint_url": None,
+                "path_style": False,
+                "enabled": True,
+            },
+        }
+
+        response = api_client.post("/api/v1/backup/test", json=request_data)
+
+        assert response.status_code == 400
+        data = response.json()
+        assert "Only 's3' service is supported" in data["detail"]
+
+    @patch("leggen.services.backup_service.BackupService.list_backups")
+    def test_list_backups_success(self, mock_list_backups, api_client, mock_config):
+        """Test successful backup listing."""
+        mock_list_backups.return_value = [
+            {
+                "key": "leggen_backups/database_backup_20250101_120000.db",
+                "last_modified": "2025-01-01T12:00:00",
+                "size": 1024,
+            },
+            {
+                "key": "leggen_backups/database_backup_20250101_110000.db",
+                "last_modified": "2025-01-01T11:00:00",
+                "size": 512,
+            },
+        ]
+
+        mock_config._config["backup"] = {
+            "s3": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "enabled": True,
+            }
+        }
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.get("/api/v1/backup/list")
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert len(data["data"]) == 2
+        assert (
+            data["data"][0]["key"]
+            == "leggen_backups/database_backup_20250101_120000.db"
+        )
+
+    def test_list_backups_no_config(self, api_client, mock_config):
+        """Test backup listing with no configuration."""
+        mock_config._config["backup"] = {}
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.get("/api/v1/backup/list")
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert data["data"] == []
+
+    @patch("leggen.services.backup_service.BackupService.backup_database")
+    @patch("leggen.utils.paths.path_manager.get_database_path")
+    def test_backup_operation_success(
+        self, mock_get_db_path, mock_backup_db, api_client, mock_config
+    ):
+        """Test successful backup operation."""
+        from pathlib import Path
+
+        mock_get_db_path.return_value = Path("/test/database.db")
+        mock_backup_db.return_value = True
+
+        mock_config._config["backup"] = {
+            "s3": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "enabled": True,
+            }
+        }
+
+        request_data = {"operation": "backup"}
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.post("/api/v1/backup/operation", json=request_data)
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["success"] is True
+        assert data["data"]["operation"] == "backup"
+        assert data["data"]["completed"] is True
+
+        # Verify backup was called
+        mock_backup_db.assert_called_once()
+
+    def test_backup_operation_no_config(self, api_client, mock_config):
+        """Test backup operation with no configuration."""
+        mock_config._config["backup"] = {}
+
+        request_data = {"operation": "backup"}
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.post("/api/v1/backup/operation", json=request_data)
+
+        assert response.status_code == 400
+        data = response.json()
+        assert "S3 backup is not configured" in data["detail"]
+
+    def test_backup_operation_invalid_operation(self, api_client, mock_config):
+        """Test backup operation with invalid operation type."""
+        mock_config._config["backup"] = {
+            "s3": {
+                "access_key_id": "AKIATEST123",
+                "secret_access_key": "secret123",
+                "bucket_name": "test-bucket",
+                "region": "us-east-1",
+                "enabled": True,
+            }
+        }
+
+        request_data = {"operation": "invalid"}
+
+        with patch("leggen.utils.config.config", mock_config):
+            response = api_client.post("/api/v1/backup/operation", json=request_data)
+
+        assert response.status_code == 400
+        data = response.json()
+        assert "Invalid operation" in data["detail"]

tests/unit/test_backup_service.py

@@ -0,0 +1,226 @@
+"""Tests for backup service functionality."""
+
+import tempfile
+from pathlib import Path
+from unittest.mock import MagicMock, patch
+
+import pytest
+from botocore.exceptions import ClientError, NoCredentialsError
+
+from leggen.models.config import S3BackupConfig
+from leggen.services.backup_service import BackupService
+
+
+@pytest.mark.unit
+class TestBackupService:
+    """Test backup service functionality."""
+
+    def test_backup_service_initialization(self):
+        """Test backup service can be initialized."""
+        service = BackupService()
+        assert service.s3_config is None
+        assert service._s3_client is None
+
+    def test_backup_service_with_config(self):
+        """Test backup service initialization with config."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+        service = BackupService(s3_config)
+        assert service.s3_config == s3_config
+
+    @pytest.mark.asyncio
+    async def test_test_connection_success(self):
+        """Test successful S3 connection test."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+
+        service = BackupService()
+
+        # Mock S3 client
+        with patch("boto3.Session") as mock_session:
+            mock_client = MagicMock()
+            mock_session.return_value.client.return_value = mock_client
+
+            # Mock successful list_objects_v2 call
+            mock_client.list_objects_v2.return_value = {"Contents": []}
+
+            result = await service.test_connection(s3_config)
+            assert result is True
+
+            # Verify the client was called correctly
+            mock_client.list_objects_v2.assert_called_once_with(
+                Bucket="test-bucket", MaxKeys=1
+            )
+
+    @pytest.mark.asyncio
+    async def test_test_connection_no_credentials(self):
+        """Test S3 connection test with no credentials."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+
+        service = BackupService()
+
+        # Mock S3 client to raise NoCredentialsError
+        with patch("boto3.Session") as mock_session:
+            mock_client = MagicMock()
+            mock_session.return_value.client.return_value = mock_client
+            mock_client.list_objects_v2.side_effect = NoCredentialsError()
+
+            result = await service.test_connection(s3_config)
+            assert result is False
+
+    @pytest.mark.asyncio
+    async def test_test_connection_client_error(self):
+        """Test S3 connection test with client error."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+
+        service = BackupService()
+
+        # Mock S3 client to raise ClientError
+        with patch("boto3.Session") as mock_session:
+            mock_client = MagicMock()
+            mock_session.return_value.client.return_value = mock_client
+            error_response = {
+                "Error": {"Code": "NoSuchBucket", "Message": "Bucket not found"}
+            }
+            mock_client.list_objects_v2.side_effect = ClientError(
+                error_response, "ListObjectsV2"
+            )
+
+            result = await service.test_connection(s3_config)
+            assert result is False
+
+    @pytest.mark.asyncio
+    async def test_backup_database_no_config(self):
+        """Test backup database with no configuration."""
+        service = BackupService()
+
+        with tempfile.TemporaryDirectory() as tmpdir:
+            db_path = Path(tmpdir) / "test.db"
+            db_path.write_text("test database content")
+
+            result = await service.backup_database(db_path)
+            assert result is False
+
+    @pytest.mark.asyncio
+    async def test_backup_database_disabled(self):
+        """Test backup database with disabled configuration."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+            enabled=False,
+        )
+        service = BackupService(s3_config)
+
+        with tempfile.TemporaryDirectory() as tmpdir:
+            db_path = Path(tmpdir) / "test.db"
+            db_path.write_text("test database content")
+
+            result = await service.backup_database(db_path)
+            assert result is False
+
+    @pytest.mark.asyncio
+    async def test_backup_database_file_not_found(self):
+        """Test backup database with non-existent file."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+        service = BackupService(s3_config)
+
+        non_existent_path = Path("/non/existent/path.db")
+        result = await service.backup_database(non_existent_path)
+        assert result is False
+
+    @pytest.mark.asyncio
+    async def test_backup_database_success(self):
+        """Test successful database backup."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+        service = BackupService(s3_config)
+
+        with tempfile.TemporaryDirectory() as tmpdir:
+            db_path = Path(tmpdir) / "test.db"
+            db_path.write_text("test database content")
+
+            # Mock S3 client
+            with patch("boto3.Session") as mock_session:
+                mock_client = MagicMock()
+                mock_session.return_value.client.return_value = mock_client
+
+                result = await service.backup_database(db_path)
+                assert result is True
+
+                # Verify upload_file was called
+                mock_client.upload_file.assert_called_once()
+                args = mock_client.upload_file.call_args[0]
+                assert args[0] == str(db_path)  # source file
+                assert args[1] == "test-bucket"  # bucket name
+                assert args[2].startswith("leggen_backups/database_backup_")  # key
+
+    @pytest.mark.asyncio
+    async def test_list_backups_success(self):
+        """Test successful backup listing."""
+        s3_config = S3BackupConfig(
+            access_key_id="test-key",
+            secret_access_key="test-secret",
+            bucket_name="test-bucket",
+            region="us-east-1",
+        )
+        service = BackupService(s3_config)
+
+        # Mock S3 client response
+        with patch("boto3.Session") as mock_session:
+            mock_client = MagicMock()
+            mock_session.return_value.client.return_value = mock_client
+
+            from datetime import datetime
+
+            mock_response = {
+                "Contents": [
+                    {
+                        "Key": "leggen_backups/database_backup_20250101_120000.db",
+                        "LastModified": datetime(2025, 1, 1, 12, 0, 0),
+                        "Size": 1024,
+                    },
+                    {
+                        "Key": "leggen_backups/database_backup_20250101_130000.db",
+                        "LastModified": datetime(2025, 1, 1, 13, 0, 0),
+                        "Size": 2048,
+                    },
+                ]
+            }
+            mock_client.list_objects_v2.return_value = mock_response
+
+            backups = await service.list_backups()
+            assert len(backups) == 2
+
+            # Check that backups are sorted by last modified (newest first)
+            assert backups[0]["last_modified"] > backups[1]["last_modified"]
+            assert backups[0]["size"] == 2048
+            assert backups[1]["size"] == 1024

tests/unit/test_configurable_paths.py

@@ -106,6 +106,11 @@ class TestConfigurablePaths:
             # Set custom database path
             path_manager.set_database_path(test_db_path)
 
+            # Initialize database tables for the custom path
+            from leggen.services.database import init_database
+
+            init_database()
+
             # Test database operations using DatabaseService
             database_service = DatabaseService()
             balance_data = {

tests/unit/test_database_service.py

@@ -1,16 +1,54 @@
 """Tests for database service."""
 
+import tempfile
 from datetime import datetime
+from pathlib import Path
 from unittest.mock import patch
 
 import pytest
 
+from leggen.services.database import init_database
 from leggen.services.database_service import DatabaseService
+from leggen.utils.paths import path_manager
 
 
 @pytest.fixture
-def database_service():
-    """Create a database service instance for testing."""
+def test_db_path():
+    """Create a temporary test database."""
+    import os
+
+    # Create a writable temporary file
+    fd, temp_path = tempfile.mkstemp(suffix=".db")
+    os.close(fd)  # Close the file descriptor
+    db_path = Path(temp_path)
+
+    # Set the test database path
+    original_path = path_manager._database_path
+    path_manager._database_path = db_path
+
+    # Reset the engine to use the new database path
+    import leggen.services.database as db_module
+
+    original_engine = db_module._engine
+    db_module._engine = None
+
+    # Initialize database tables
+    init_database()
+
+    yield db_path
+
+    # Cleanup - close any sessions first
+    if db_module._engine:
+        db_module._engine.dispose()
+    db_module._engine = original_engine
+    path_manager._database_path = original_path
+    if db_path.exists():
+        db_path.unlink()
+
+
+@pytest.fixture
+def database_service(test_db_path):
+    """Create a database service instance for testing with real database."""
     return DatabaseService()
 
 
@@ -282,6 +320,7 @@ class TestDatabaseService:
         """Test successful balance persistence."""
         balance_data = {
             "institution_id": "REVOLUT_REVOLT21",
+            "account_status": "active",
             "iban": "LT313250081177977789",
             "balances": [
                 {
@@ -291,26 +330,23 @@ class TestDatabaseService:
             ],
         }
 
-        with patch("sqlite3.connect") as mock_connect:
-            mock_conn = mock_connect.return_value
-            mock_cursor = mock_conn.cursor.return_value
+        # Test actual persistence
+        await database_service._persist_balance_sqlite("test-account-123", balance_data)
 
-            await database_service._persist_balance_sqlite(
-                "test-account-123", balance_data
-            )
-
-            # Verify database operations
-            mock_connect.assert_called()
-            mock_cursor.execute.assert_called()  # Table creation and insert
-            mock_conn.commit.assert_called_once()
-            mock_conn.close.assert_called_once()
+        # Verify balance was persisted
+        balances = await database_service.get_balances_from_db("test-account-123")
+        assert len(balances) == 1
+        assert balances[0]["account_id"] == "test-account-123"
+        assert balances[0]["amount"] == 1000.0
+        assert balances[0]["currency"] == "EUR"
 
     async def test_persist_balance_sqlite_error(self, database_service):
         """Test handling error during balance persistence."""
         balance_data = {"balances": []}
 
-        with patch("sqlite3.connect") as mock_connect:
-            mock_connect.side_effect = Exception("Database error")
+        # Mock get_session to raise an error
+        with patch("leggen.services.database_service.get_session") as mock_session:
+            mock_session.side_effect = Exception("Database error")
 
             with pytest.raises(Exception, match="Database error"):
                 await database_service._persist_balance_sqlite(
@@ -321,52 +357,48 @@ class TestDatabaseService:
         self, database_service, sample_transactions_db_format
     ):
         """Test successful transaction persistence."""
-        with patch("sqlite3.connect") as mock_connect:
-            mock_conn = mock_connect.return_value
-            mock_cursor = mock_conn.cursor.return_value
-            # Mock fetchone to return (0,) indicating transaction doesn't exist yet
-            mock_cursor.fetchone.return_value = (0,)
+        result = await database_service._persist_transactions_sqlite(
+            "test-account-123", sample_transactions_db_format
+        )
 
-            result = await database_service._persist_transactions_sqlite(
-                "test-account-123", sample_transactions_db_format
-            )
+        # Should return all transactions as new
+        assert len(result) == 2
 
-            # Should return the transactions (assuming no duplicates)
-            assert len(result) >= 0  # Could be empty if all are duplicates
-
-            # Verify database operations
-            mock_connect.assert_called()
-            mock_cursor.execute.assert_called()
-            mock_conn.commit.assert_called_once()
-            mock_conn.close.assert_called_once()
+        # Verify transactions were persisted
+        transactions = await database_service.get_transactions_from_db(
+            account_id="test-account-123"
+        )
+        assert len(transactions) == 2
+        assert transactions[0]["accountId"] == "test-account-123"
 
     async def test_persist_transactions_sqlite_duplicate_detection(
         self, database_service, sample_transactions_db_format
     ):
         """Test that existing transactions are not returned as new."""
-        with patch("sqlite3.connect") as mock_connect:
-            mock_conn = mock_connect.return_value
-            mock_cursor = mock_conn.cursor.return_value
-            # Mock fetchone to return (1,) indicating transaction already exists
-            mock_cursor.fetchone.return_value = (1,)
+        # First insert
+        result1 = await database_service._persist_transactions_sqlite(
+            "test-account-123", sample_transactions_db_format
+        )
+        assert len(result1) == 2
 
-            result = await database_service._persist_transactions_sqlite(
-                "test-account-123", sample_transactions_db_format
-            )
+        # Second insert (duplicates)
+        result2 = await database_service._persist_transactions_sqlite(
+            "test-account-123", sample_transactions_db_format
+        )
 
-            # Should return empty list since all transactions already exist
-            assert len(result) == 0
+        # Should return empty list since all transactions already exist
+        assert len(result2) == 0
 
-            # Verify database operations still happened (INSERT OR REPLACE executed)
-            mock_connect.assert_called()
-            mock_cursor.execute.assert_called()
-            mock_conn.commit.assert_called_once()
-            mock_conn.close.assert_called_once()
+        # Verify still only 2 transactions in database
+        transactions = await database_service.get_transactions_from_db(
+            account_id="test-account-123"
+        )
+        assert len(transactions) == 2
 
     async def test_persist_transactions_sqlite_error(self, database_service):
         """Test handling error during transaction persistence."""
-        with patch("sqlite3.connect") as mock_connect:
-            mock_connect.side_effect = Exception("Database error")
+        with patch("leggen.services.database_service.get_session") as mock_session:
+            mock_session.side_effect = Exception("Database error")
 
             with pytest.raises(Exception, match="Database error"):
                 await database_service._persist_transactions_sqlite(

uv.lock

@@ -2,6 +2,20 @@ version = 1
 revision = 3
 requires-python = "==3.13.*"
 
+[[package]]
+name = "alembic"
+version = "1.16.5"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "mako" },
+    { name = "sqlalchemy" },
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/9a/ca/4dc52902cf3491892d464f5265a81e9dff094692c8a049a3ed6a05fe7ee8/alembic-1.16.5.tar.gz", hash = "sha256:a88bb7f6e513bd4301ecf4c7f2206fe93f9913f9b48dac3b78babde2d6fe765e", size = 1969868, upload-time = "2025-08-27T18:02:05.668Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/39/4a/4c61d4c84cfd9befb6fa08a702535b27b21fff08c946bc2f6139decbf7f7/alembic-1.16.5-py3-none-any.whl", hash = "sha256:e845dfe090c5ffa7b92593ae6687c5cb1a101e91fa53868497dbd79847f9dbe3", size = 247355, upload-time = "2025-08-27T18:02:07.37Z" },
+]
+
 [[package]]
 name = "annotated-types"
 version = "0.7.0"
@@ -36,6 +50,34 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/d0/ae/9a053dd9229c0fde6b1f1f33f609ccff1ee79ddda364c756a924c6d8563b/APScheduler-3.11.0-py3-none-any.whl", hash = "sha256:fc134ca32e50f5eadcc4938e3a4545ab19131435e851abb40b34d63d5141c6da", size = 64004, upload-time = "2024-11-24T19:39:24.442Z" },
 ]
 
+[[package]]
+name = "boto3"
+version = "1.40.36"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "botocore" },
+    { name = "jmespath" },
+    { name = "s3transfer" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/8d/21/7bc857b155e8264c92b6fa8e0860a67dc01a19cbe6ba4342500299f2ae5b/boto3-1.40.36.tar.gz", hash = "sha256:bfc1f3d5c4f5d12b8458406b8972f8794ac57e2da1ee441469e143bc0440a5c3", size = 111552, upload-time = "2025-09-22T19:26:17.357Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/70/4c/428b728d5cf9003f83f735d10dd522945ab20c7d67e6c987909f29be12a0/boto3-1.40.36-py3-none-any.whl", hash = "sha256:d7c1fe033f491f560cd26022a9dcf28baf877ae854f33bc64fffd0df3b9c98be", size = 139345, upload-time = "2025-09-22T19:26:15.194Z" },
+]
+
+[[package]]
+name = "botocore"
+version = "1.40.36"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "jmespath" },
+    { name = "python-dateutil" },
+    { name = "urllib3" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/4b/30/75fdc75933d3bc1c8dd7fbaee771438328b518936906b411075b1eacac93/botocore-1.40.36.tar.gz", hash = "sha256:93386a8dc54173267ddfc6cd8636c9171e021f7c032aa1df3af7de816e3df616", size = 14349583, upload-time = "2025-09-22T19:26:05.957Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/d8/51/95c0324ac20b5bbafad4c89dd610c8e0dd6cbadbb2c8ca66dc95ccde98b8/botocore-1.40.36-py3-none-any.whl", hash = "sha256:d6edf75875e4013cb7078875a1d6c289afb4cc6675d99d80700c692d8d8e0b72", size = 14020478, upload-time = "2025-09-22T19:26:02.054Z" },
+]
+
 [[package]]
 name = "certifi"
 version = "2025.8.3"
@@ -139,6 +181,23 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/42/14/42b2651a2f46b022ccd948bca9f2d5af0fd8929c4eec235b8d6d844fbe67/filelock-3.19.1-py3-none-any.whl", hash = "sha256:d38e30481def20772f5baf097c122c3babc4fcdb7e14e57049eb9d88c6dc017d", size = 15988, upload-time = "2025-08-14T16:56:01.633Z" },
 ]
 
+[[package]]
+name = "greenlet"
+version = "3.2.4"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/03/b8/704d753a5a45507a7aab61f18db9509302ed3d0a27ac7e0359ec2905b1a6/greenlet-3.2.4.tar.gz", hash = "sha256:0dca0d95ff849f9a364385f36ab49f50065d76964944638be9691e1832e9f86d", size = 188260, upload-time = "2025-08-07T13:24:33.51Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/49/e8/58c7f85958bda41dafea50497cbd59738c5c43dbbea5ee83d651234398f4/greenlet-3.2.4-cp313-cp313-macosx_11_0_universal2.whl", hash = "sha256:1a921e542453fe531144e91e1feedf12e07351b1cf6c9e8a3325ea600a715a31", size = 272814, upload-time = "2025-08-07T13:15:50.011Z" },
+    { url = "https://files.pythonhosted.org/packages/62/dd/b9f59862e9e257a16e4e610480cfffd29e3fae018a68c2332090b53aac3d/greenlet-3.2.4-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.whl", hash = "sha256:cd3c8e693bff0fff6ba55f140bf390fa92c994083f838fece0f63be121334945", size = 641073, upload-time = "2025-08-07T13:42:57.23Z" },
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