fix: critical plugin structure and configuration fixes

- Fix hooks.json: use valid PostToolUse event (not invalid task-completed)
- Move projman/plugin.json to projman/.claude-plugin/plugin.json
- Fix projman/.mcp.json to use venv python paths
- Add cmdb-assistant to marketplace.json
- Update .gitignore: allow .env files (private repo)
- Fix create_labels.py: use env vars instead of hardcoded token
- Add CLAUDE.md critical rules section to prevent future mistakes

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

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

projman/.claude-plugin/plugin.json

@@ -0,0 +1,18 @@
+{
+  "name": "projman",
+  "version": "0.1.0",
+  "description": "Sprint planning and project management with Gitea and Wiki.js integration",
+  "author": {
+    "name": "Bandit Labs",
+    "email": "dev@banditlabs.io"
+  },
+  "license": "MIT",
+  "repository": "https://gitea.hotserv.cloud/bandit/support-claude-mktplace",
+  "keywords": [
+    "project-management",
+    "sprint-planning",
+    "gitea",
+    "wikijs",
+    "agile"
+  ]
+}