Implement component registry for PA session awareness

Components:
- state/component-registry.json: Registry with all skills, commands, agents, workflows
- automation/generate-registry.py: Auto-generate from directory scan
- automation/validate-registry.py: Check for drift and TODO placeholders
- system-instructions.json: Added component-lifecycle process

Registry includes:
- 6 skills with routing triggers
- 10 commands with aliases
- 12 agents with model info
- 10 workflows with triggers
- 2 delegation helpers

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plans/2026-01-01-component-registry-design.md

@@ -184,10 +184,10 @@ Invoke skill:gcal with context "tomorrow"
 
 ## Implementation Checklist
 
-- [ ] Create `~/.claude/state/component-registry.json` (initial)
-- [ ] Create `~/.claude/automation/generate-registry.py`
-- [ ] Create `~/.claude/automation/validate-registry.py`
-- [ ] Update `system-instructions.json` with component-lifecycle
+- [x] Create `~/.claude/state/component-registry.json` (initial)
+- [x] Create `~/.claude/automation/generate-registry.py`
+- [x] Create `~/.claude/automation/validate-registry.py`
+- [x] Update `system-instructions.json` with component-lifecycle
 - [ ] Update PA agent instructions to read registry
 - [ ] Test routing with registry
 - [ ] Add future consideration for registry improvements