fix: switch to development branch before adding issue comments

The MCP server's branch-aware security blocks write operations on
protected branches (main, fix/*, etc). After pushing a feature branch
and creating a PR, we must switch back to development before adding
comments to issues via MCP tools.

plugins/projman/commands/debug-review.md

@@ -312,7 +312,12 @@ git push -u origin fix/issue-[NUMBER]-[brief-description]
 
 3. Create PR via API or MCP tools
 
-4. Add comment to original issue:
+4. **Switch back to development branch** (required for MCP issue operations):
+```bash
+git checkout development
+```
+
+5. Add comment to original issue:
 ```
 mcp__plugin_projman_gitea__add_comment(
   repo=REPO_NAME,