🧑 [chore] Add Claude Code configuration for Git workflow automation

Add Claude agents and commands to enhance developer experience:
- commit-crafter agent for standardized conventional commits
- staged-code-reviewer agent for automated code review
- Commands for code review, GitHub issue fixing, and commit creation

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

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

.claude/commands/fix-github-issue.md

@@ -0,0 +1,13 @@
+Please analyze and fix the GitHub issue: $ARGUMENTS.
+
+Follow these steps:
+
+1. Use `gh issue view` to get the issue details
+2. Understand the problem described in the issue
+3. Search the codebase for relevant files
+4. Implement the necessary changes to fix the issue
+5. Write and run tests to verify the fix
+6. Ensure code passes linting and type checking
+7. Create a descriptive commit message
+
+Remember to use the GitHub CLI (`gh`) for all GitHub-related tasks.