fix(desktop): simplify chat re-render fix

[Kitenite]

Summary

• Removes the startSessionRef / stopSessionRef ref workaround from fix(desktop): fix chat infinite re-render and model selector logo #1283 and replaces it with a simple eslint-disable on the dependency array
• tRPC mutation objects are stable transports (we only call .mutate()), so they don't need to be reactive deps — an eslint suppression is clearer than 4 lines of ref boilerplate
• Keeps the sessionReady state improvement from fix(desktop): fix chat infinite re-render and model selector logo #1283

Test plan

• Open the chat pane — should load without crashing (no infinite re-render)
• Switch sessions/workspaces and confirm chat reconnects correctly

Summary by CodeRabbit

No user-visible changes in this release. This update includes internal code optimizations to improve maintainability.

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

Refactored ChatInterface.tsx to eliminate mutable ref wrappers for session management mutations. The startSession and stopSession mutations are now invoked directly within the effect rather than through intermediate refs, with an ESLint disable comment added to address the mutation reference stability concern.

Changes

Cohort / File(s)	Summary
Session Mutation Refactoring apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/TabView/ChatPane/ChatInterface/ChatInterface.tsx	Removed startSessionRef and stopSessionRef declarations and replaced ref-based mutation calls with direct invocations. Added ESLint disable comment to accommodate mutation reference handling in effect dependencies.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• fix(desktop): fix chat infinite re-render and model selector logo #1283: Modifies identical ChatInterface.tsx session start/stop logic and ref vs. direct mutation handling patterns.
• refactor(desktop): rewrite session manager as thin HTTP proxy orchestrator #1258: Updates the startSession mutation input schema and server-side handling that directly relates to the mutation calls changed in this PR.

Poem

🐰 No refs to hold, just mutations flow,
Direct and clean, watch the sessions grow,
ESLint knows best what we're about,
Simplicity wins—refs are out! ✨

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/simplify-chat-rerender-fix

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[Kitenite]

Closing — the ref-based approach in #1283 is actually the better pattern. An eslint-disable suppresses all dep warnings for the effect, which can mask real bugs if someone later adds reactive values inside it.

[github-actions]

🧹 Preview Cleanup Complete

The following preview resources have been cleaned up:

• ⚠️ Neon database branch
• ⚠️ Electric Fly.io app

Thank you for your contribution! 🎉