feat: add claude commands

dot_claude/commands/check.md

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+# Check
+
+Perform comprehensive code quality checks and tests.
+Do not make any code changes during this process.
+
+Exception: Fixing lint errors, type errors, formatting issues and failing unit tests.
+
+## Common Checks Include
+
+1. **Linting**: Code style and syntax errors
+2. **Type Checking**: Type errors
+3. **Unit Tests**: Unit and integration tests
+4. **Security Scan**: Vulnerability scan
+5. **Code Formatting**: Style consistency
+6. **Build Verification**: Compilation errors
+
+## Process
+
+1. Run the check command.
+2. Analyze output for errors and warnings
+3. Fix issues in priority order:
+   - Build-breaking errors first
+   - Test failures
+   - Linting and type errors
+   - Warnings
+4. Re-run checks after applying a fix
+5. Continue until all checks pass