 Test
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8baf16a9d3
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feat(T2.3): implement prompt template caching engine
- Add internal/templates package for Go template pre-compilation
- Implement TemplateEngine with compile-once-render-many pattern
- Template caching with LRU eviction policy
- Configurable max cache size (default 100)
- Compile-time tracking for performance analysis
- Per-template render count and latency metrics
- Cache statistics: hit ratio, avg render time, total renders
- CompileAndRender() for single-call compile+render
- Thread-safe concurrent access with RWMutex
- 17 template tests, all passing
Features:
- Compile() caches compiled templates
- Render() uses cached templates for fast rendering
- GetStats() tracks per-template metrics
- GetCacheStats() shows overall cache health
- Clear() resets all cached templates
- Remove() removes specific template
- IsCached() checks if template is pre-compiled
Performance:
- Template render latency: <100ms ✓
- Caching eliminates parse overhead
- LRU eviction when cache full
- Concurrent render support
- Compile once, render many times
Verification:
- Render latency < 100ms (verified in tests)
- Cache eviction working correctly
- Stats tracking accurate
- Complex templates supported
- Error handling robust
Test Coverage:
- 17 template tests (compile, render, caching, stats)
- Latency verification (< 100ms)
- Complex template support
- LRU eviction testing
- Concurrent access patterns
Next: T2.4 (Lessons file indexing)
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2026-08-23 17:18:30 -07:00 |
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