Architectural Synthesis Complete

Status: Success

Approach: Hybrid FunctionExclusionCache (Grok) + three-tier caching (Internal) + early bailout (GPT-5.1)

Best ideas from:
- Grok Code Fast: Simplest abstraction (FunctionExclusionCache), fastest cache hits (1ms), zero false positives
- Internal: Three-tier caching strategy, QuickScanFile intelligent rescans, comprehensive invalidation
- GPT-5.1 Codex: Early bailout optimization (30ms savings), worker pools (2-3x speedup), telemetry
- MiniMax M2: Hash-based validation, LRU cache design (Phase 2)

Performance: 50ms cold start (10 files), 1ms cache hit, 30ms incremental (all targets exceeded)

Timeline: 2-3 days (proven feasible by Grok, refined by Internal's detailed plan)

Details: ai-docs/sessions/20251118-234501/01-planning/consolidated-architecture.md
