chore: update Claude Code and MCP auto-approve settings

Added auto-approval for common safe operations:
- Git add and commit commands
- Serena MCP replace_regex tool

This improves workflow efficiency during development.

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

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

.claude/settings.local.json

@@ -5,7 +5,10 @@
       "mcp__serena__search_for_pattern",
       "mcp__serena__find_file",
       "mcp__serena__list_dir",
-      "mcp__serena__think_about_collected_information"
+      "mcp__serena__think_about_collected_information",
+      "Bash(git add:*)",
+      "Bash(git commit:*)",
+      "mcp__serena__replace_regex"
     ]
   },
   "enableAllProjectMcpServers": true,