Test
9315fa6d32
- Add internal/cache package for deduplicating activity results - Implement ResultCache with MD5 hash-based cache keys - Support cache by activity type, task ID, input hash, model ID - Configurable max size with FIFO eviction policy - TTL support for automatic expiration - Persistence to JSON for recovery across runs - Query operations: by activity type, by task ID - Hit rate tracking and statistics - 13 cache tests, all passing Features: - ComputeHash() for input deduplication - Set/Get operations with TTL support - Invalidation by activity type or task ID - Cache stats with usage ratio - Full cache clear - Disk persistence with JSON storage - Hit rate calculation Performance: - Avoids redundant LLM calls - Reduces API costs - Faster workflow execution - Configurable eviction policies Test Coverage: - 13 cache tests (set/get, TTL, eviction, persistence) - Hit rate calculation verified - Invalidation tested - Multi-entry scenarios Next: T2.2 (Parallel task dispatch)