Add the data layer for the spending analysis app including models for
household members, accounts, categories, transactions, categorization
rules, and CSV import mappings. All models use SQLAlchemy 2.0 mapped
columns with proper foreign key relationships. Includes db.py with
Base class, engine/session factories, and 6 passing tests.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Adds known source formats (Chase credit card with headers, Wells Fargo
checking headerless), description normalization strategy, cross-account
transfer detection, source category hints, household income sources,
and sample categorization rules based on real transaction data.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Captures the full v1 design: CSV import with auto-mapping, rule-based
categorization (extensible for AI), household member attribution,
spending trends, category breakdowns, recurring charge detection,
and forecasting.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
andy