memory-gc

name	memory-gc
description	Session-end memory garbage collector. Promotes valuable L2 session facts to L1 atomic memory, wipes L2, and rotates oversized audit logs. Run at end of session to prevent context inflation and storage bloat.
origin	yana-ai (custom)
license	Apache-2.0
version	1.0.0
compatibility	yana-ai >= 1.3.34

/memory-gc — Memory Garbage Collector

When to Use

• End of session: "dọn bộ nhớ", "gc", "memory cleanup", "session end"
• After a long session (10+ facts in L2)
• Before switching to a new task domain
• When context window feels inflated
• Scheduled: run automatically via Stop hook

Do NOT use for

• Mid-session cleanup (you'll lose in-progress facts)
• Replacing /l1-promote for interactive, selective promotion
• Replacing /session-wrap (that handles docs + learning + followup)

---

What it does

Phase 1: Score all L2 facts (5-point rubric)
  → Promote facts scoring ≥ 2/5 to L1_atomic
  → Wipe entire L2 regardless

Phase 2: Check audit log size
  → If > 5MB: compress to releases/logs/, keep last 500 lines
  → If ≤ 5MB: skip rotation

Phase 3: Report summary

Promotion Rubric (L2 → L1)

Criterion	Points
Has at least 1 tag	+1
Statement length > 20 chars	+1
Has evidence field	+1
Not session-state-only (not "currently..." / "right now...")	+1
No duplicate ID in L1 already	+1

Threshold: ≥ 2/5 → promoted. Below → wiped without promotion.

---

Usage

# Full GC (promote + wipe L2 + rotate logs)
bash core/scripts/memory-gc.sh
bash core/scripts/log-rotate.sh

# Dry run — see what would happen
bash core/scripts/memory-gc.sh --dry-run
bash core/scripts/log-rotate.sh --dry-run

# Wipe L2 only (discard session, no promotion)
bash core/scripts/memory-gc.sh --wipe-only

# Force log rotation regardless of size
bash core/scripts/log-rotate.sh --force

Anti-Fake-Pass Checklist

□ memory-gc.sh exited 0
□ L2 directory is empty after run (or --dry-run was used)
□ Promoted facts appear in memory/L1_atomic/
□ audit log size checked (log-rotate.sh ran if > 5MB)
□ secure-logger.sh recorded memory_gc_complete event

Integration: Stop Hook

Add to core/hooks/hooks.json under Stop event to auto-GC every session:

{
  "matcher": "true",
  "hooks": [{
    "type": "command",
    "command": "bash core/scripts/memory-gc.sh && bash core/scripts/log-rotate.sh"
  }]
}