Skill Update Memory

Update Memory Skill

Purpose

Prevent "Agent Amnesia" by keeping .AGENTS.md context files synchronized with code changes.

When to Use

• Before committing code (Developer).
• During Code Review (Reviewer).
• In 04-update-docs workflow.

Strategy: Automated Detection + Manual Description

Phase 1: Detect Changes

Tool: scripts/suggest_updates.py

Usage:

python3 .agent/skills/skill-update-memory/scripts/suggest_updates.py

Bootstrap Migration Mode (optional):

python3 .agent/skills/skill-update-memory/scripts/suggest_updates.py --mode bootstrap --create-missing --development-root src

Output:

• Identifies modified source files (ignoring build artifacts).
• Groups them by the closest .AGENTS.md (or suggested per-directory target in source folders).
• Generates a template for the update.
• In bootstrap mode, can create missing .AGENTS.md files without overwriting existing ones.
• Creation/suggestions are limited to explicit development roots (--development-root, default: src).
• /.agent/skills/* and /.cursor/skills/* are always excluded from memory target creation.

[!NOTE] .AGENTS.md remains optional. If it does not exist, the helper must not fail.

Phase 2: Generate Description (.AGENTS.md Update)

For each file listed by the script:

1. Identify Change Type:
   • New File -> Create entry.
   • Modified Logic -> Update description/functions.
   • Deleted -> Mark as (Deleted).
2. Write Description:
   • Focus on Purpose (Why does it exist?).
   • List public Classes/Functions.

Phase 3: Preservation

[!IMPORTANT] NEVER delete sections marked [Human Knowledge] or <!-- PRESERVE -->.

Append new information below manual annotations.

Example Update

### [new_service.py]
**Purpose:** Handles user authentication.
**Classes:**
- `AuthService` — Main entry point.
  - `login()` — Validates credentials.

Integration

• Code Review: Reviewer runs script to check if docs match code changes.
• Pre-Commit: Developer runs script to ensure no "Undocumented Code" is committed.
• Migration/Onboarding: Run bootstrap mode for external projects to create initial .AGENTS.md skeletons in source folders.

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