- Implement az_monitor_app_insights_query MCP tool
- Add comprehensive KQL query safety validation
- Support time-based filtering with RFC3339/ISO 8601
- Integrate with existing security and access level framework
- Add comprehensive test suite with 26 test cases
- Support all Application Insights telemetry types

 Features:
- Execute KQL queries against Application Insights telemetry data
- Query safety validation (blocks dangerous keywords)
- Parameter validation and error handling
- Time format validation (RFC3339/ISO 8601)
- Integration with readonly, readwrite, and admin access levels
- Support for all telemetry types (requests, dependencies, exceptions, etc.)

 Security:
- KQL query safety checks prevent dangerous operations
- Table name validation ensures valid Application Insights tables
- Comprehensive parameter validation prevents injection attacks
- Access level integration with existing security framework

 Testing:
- 12 comprehensive tests with 26 sub-test cases
- Parameter validation coverage
- KQL safety validation tests
- Time format validation tests
- Tool registration verification

- Removed validateKQLQuery function and its usage
- Removed all KQL validation related tests
- Application Insights handler now performs only basic parameter validation