Fix critical bugs and update type cast guidance

[jln13x]

Summary

Fixed two critical bugs found during code review and updated documentation on type safety practices.

• Store plugin init race: Initialize pluginResults to prevent crash if plugin calls setState during initialization
• Routes URL encoding: Encode dynamic params to prevent URL injection with special characters (/, ?, #)
• Type cast guidance: Clarified that internal type casts are acceptable when consumer APIs remain fully type-safe

All existing tests pass.

🤖 Generated with Claude Code

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Project	Deployment	Review	Updated (UTC)
jlnstack	Ready	Preview, Comment	Jan 23, 2026 3:29pm

[greptile-apps]

Greptile Summary

Fixed two critical race condition and URL injection bugs, and clarified type safety documentation.

• Store plugin initialization race: Prevented crash when plugins call setState during initialization by initializing pluginResults to empty array instead of undefined
• Routes URL encoding: Added encodeURIComponent to dynamic route parameters to prevent URL injection with special characters (/, ?, #)
• Type cast guidance: Added clear documentation that internal type casts are acceptable when consumer APIs remain type-safe

Both bug fixes are solid and address real production issues. The documentation update provides helpful guidance aligned with the fixes.

Confidence Score: 5/5

• This PR is safe to merge with no risk
• Both bug fixes address legitimate edge cases with correct implementations. The store fix prevents a crash during plugin initialization, and the routes fix properly encodes URL parameters following web standards. The documentation update is clear and accurate. All changes are minimal, focused, and the author confirms tests pass.
• No files require special attention