## Changes - `crates/mem-core/src/entity.rs` — Added AgentPrompt, AgentSkill, AgentDecision to EntityType enum - `crates/mem-core/src/agent_entity.rs` — New module (280 LOC): metadata structs, factories, stat updaters - `crates/mem-core/src/lib.rs` — Module registration + exports ## Agent Entity Types - **AgentPrompt**: template, target_model, task_category, usage_count, avg_quality, version - **AgentSkill**: description, trigger_patterns, success_rate, invocation_count, avg_latency_ms - **AgentDecision**: action, reasoning, alternatives, confidence, outcome (success/quality/feedback) ## Validation - 8 new tests pass (factories, stats, round-trip, serialization) - 174 total lib tests pass - `cargo build --release` cleanReviewed-on: #47 Co-authored-by: rock <[email protected]>