chore: add Cursor IDE configuration and development tools

[jhamon]

Summary

This PR adds Cursor IDE configuration files and development tooling to improve code quality and development workflow.

Changes

• Code Review Guidance (.cursor/BUGBOT.md): Comprehensive code review checklist covering documentation, exception handling, validation, testing, thread safety, and resource management
• Best Practices Rules (.cursor/rules/best-practices.mdc): Always-applied workspace rules for documentation, exception handling, validation, code generation, testing, thread safety, and resource management
• GitHub Issue Management Commands:
  • create-bug.md: Template for creating bug reports
  • create-improvement.md: Template for creating improvement requests
  • create-subplan.md: Template for creating subplans
  • github-triage.md: Workflow for triaging GitHub issues
  • investigate-github-issue.md: Workflow for investigating GitHub issues
  • list-github-issues.md: Command to list GitHub issues

Benefits

• Standardizes code review process and ensures consistency
• Provides clear guidelines for exception handling, validation, and testing
• Improves development workflow with GitHub issue management tools
• Helps maintain code quality and prevent common issues

Files Added

• .cursor/BUGBOT.md (85 lines)
• .cursor/commands/create-bug.md (31 lines)
• .cursor/commands/create-improvement.md (31 lines)
• .cursor/commands/create-subplan.md (15 lines)
• .cursor/commands/github-triage.md (141 lines)
• .cursor/commands/investigate-github-issue.md (158 lines)
• .cursor/commands/list-github-issues.md (57 lines)
• .cursor/rules/best-practices.mdc (42 lines)

Total: 8 files, 560+ lines added

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Note

Introduces non-code tooling and docs to standardize reviews and issue workflows.

• Adds Code Review Guidance in .cursor/BUGBOT.md covering documentation, exceptions, validation, testing, thread safety, and resource management
• Adds always-applied workspace rules in .cursor/rules/best-practices.mdc
• Adds GitHub issue workflow commands: create-bug.md, create-improvement.md, create-subplan.md, github-triage.md, investigate-github-issue.md, list-github-issues.md

No runtime code changes; all additions are documentation/configuration.

^{Written by Cursor Bugbot for commit c1e71af. This will update automatically on new commits. Configure here.}