Release v0.1.0: context codes and readable archive file names.

- registry.yaml maps codes (w1-1, w1.git.001) to sessions and stable paths
- Markdown files named {code}--{slug}.md for Cursor @ picker
- Selective export/import via --context and --mask
- cam code list|set|show for manual code assignment
- Re-export updates same file per context code

Co-authored-by: Cursor <cursoragent@cursor.com>

__version__.py

@@ -1,4 +1,4 @@
 """CAM (Cursor Agents Manager) version."""
 
-__version__ = "0.0.1"
+__version__ = "0.1.0"
 __status__ = "in development"