FullPipeline (Phase 1-6 Integration) - FullPipeline: complete orchestration of all phases - PipelineConfig: unified configuration for all phases - PipelineBuilder: fluent API for pipeline construction - EnrichedChunk: fully enriched result with all metadata - PipelineMetrics: comprehensive metrics per phase - 14 unit tests Phase 5 Integration - Query intent inference (FixError, LearnConcept, UseTool, FindReference) - Category-based metadata boost - Intent-category matching for relevance boost Phase 6 Integration - Wiki-distance based cache priority - LRU cache preloading for hot chunks - Cache slot assignment - Phase timing profiling Integration Tests (it_phase5_phase6.rs) - 24 end-to-end tests covering all phases - Metadata boost enable/disable - Cache locality and preload - Edge cases (empty, no matches, unknown intent) Total: 145 tests passing (was 107)