feat: add shared PluginKit types

[datlechin]

Summary

• Add 3 untracked TableProPluginKit files that were created during Phase 1 plugin standardization but never committed
• PluginDriverError.swift — shared error protocol for plugin drivers
• PluginConcurrencySupport.swift — async bridging utility
• PluginRowLimits.swift — shared row limit constant

Test plan

• Xcode build passes with no errors
• Verify plugin loading works at runtime

Summary by CodeRabbit

• New Features
  • Added async/await support utilities for plugin developers to execute code on specified dispatch queues
  • Introduced a standardized error protocol for plugins with consistent error messaging and optional error codes
  • Defined default row limit configuration for plugin data handling

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[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

Three new Swift utility files are added to TableProPluginKit: concurrency support for async/await dispatching, a protocol for plugin driver errors with customizable details, and a constant defining maximum row limits for plugin operations.

Changes

Cohort / File(s)	Summary
TableProPluginKit Core Utilities Plugins/TableProPluginKit/PluginConcurrencySupport.swift, Plugins/TableProPluginKit/PluginDriverError.swift, Plugins/TableProPluginKit/PluginRowLimits.swift	Adds three new public APIs: two async/await wrapper functions for DispatchQueue execution with error handling, a PluginDriverError protocol with customizable error details and default implementations, and a PluginRowLimits enum with a 100,000 row default constant.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰✨ New tools for plugin creators to explore,
Concurrency helpers, errors handled with care,
Limits set wisely at a hundred-thousand more,
The kit grows stronger, ready to share! 🎉

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'feat: add shared PluginKit types' accurately and concisely describes the main change: adding three new shared types to the PluginKit framework.

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✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/plugin-kit-shared-types

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