release(v4.13.0): worktree creator onboards by default; create --no-onboard warns for post-discovered-id agents (Issue #68) - archive the review reports, bump the lockstep version

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VCgu9Fa9iT7TbJUSzdq4Ff

.agents/skills/lib_py/loop/eager.py

@@ -13,7 +13,7 @@ import sys
 from typing import List, Sequence
 
 # Framework version locked with framework constants
-FRAMEWORK_VERSION = "4.12.0"
+FRAMEWORK_VERSION = "4.13.0"
 
 CORE_MODULES: Sequence[str] = (
     # Standard library modules