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.

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "kaizen-agentic"
-version = "1.0.2"
+version = "1.1.0"
 description = "AI agent development framework embracing continuous improvement (kaizen)"
 readme = "README.md"
 license = {file = "LICENSE"}
@@ -135,4 +135,4 @@ exclude_lines = [
 
 [tool.flake8]
 max-line-length = 88
-extend-ignore = ["E203", "W503"]
+extend-ignore = ["E203", "W503"]