Fix #720: Implement Semantic Indexing & Multi-Faceted Search Infrastr…#727
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Key Features Implemented:
High-Performance Search Index: Created
models/SearchIndex.js
, a specialized flat collection that denormalizes transaction data. This avoids expensive joins and allows for sub-millisecond query responses even with millions of records.
Semantic Metadata Processor: Developed
utils/metadataProcessor.js
, the intelligence core that extracts tags (e.g., "tax" → "fiscal"), classifies business types (Retail, Food, etc.), and performs sentiment analysis on transaction descriptions.
Advanced Multi-Faceted API: Built
routes/search.js
, a powerful unified endpoint supporting:
Full-Text Search: Keyword matching across merchants and notes.
Numeric & Date Ranges: Precise filtering for audit and accounting needs.
Faceted Navigation: Instant filtering by sentiment, business type, and automated tags.
Automatic Indexing Engine: Implemented
services/indexingEngine.js
to synchronize the main database with the search store, ensuring data consistency across the ecosystem.
Eventual Consistency Worker: Created
jobs/searchIndexer.js
, a background job that periodically scans for unindexed or modified transactions to maintain search integrity.
Performance Layer (Search Cache): Developed
middleware/searchCache.js
to store frequent search results in memory, significantly reducing database pressure for repetitive queries.
Data Schema Enhancement: Updated
models/Transaction.js
with searchMetadata fields to store persistent semantic enrichment directly on the core records.
Technical Specification: Authored
closes #720