WP-0001 complete: v1.1.0 lazy registry and install performance

Lazy-load agent registry (frontmatter index, parse on demand), copy
agents by path during install, fix Makefile template tab lint issue,
add registry performance tests, bump to 1.1.0, document CLI reinstall
after pull.

workplans/kaizen-agentic-WP-0001-community-engagement.md

@@ -4,7 +4,7 @@ type: workplan
 title: "Community Engagement and Advanced Automation (v1.1.0)"
 domain: custodian
 repo: kaizen-agentic
-status: active
+status: completed
 owner: kaizen-agentic
 topic_slug: custodian
 state_hub_workstream_id: a43e92af-1cb4-4c55-8b74-19588e0ded20
@@ -14,7 +14,7 @@ updated: "2026-06-18"
 
 # KAIZEN-WP-0001 — Community Engagement and Advanced Automation
 
-**Status:** active
+**Status:** completed
 **Owner:** kaizen-agentic
 **Repo:** kaizen-agentic
 **Target version:** 1.1.0
@@ -36,7 +36,7 @@ to make kaizen-agentic easier to adopt, contribute to, and operate reliably.
 ### To Refactor
 
 - [x] T05 — Enhanced error handling in CLI with more informative messages
-- [ ] T06 — Performance optimization for large project installations (deferred; flake8 debt cleanup bundled with installer.py tab fix)
+- [x] T06 — Performance optimization for large project installations (lazy registry index, path-based install copy, makefile tab fix)
 
 ### To Fix