程序员阿江(Relakkes) 867defc09d fix(desktop): preserve settings and composer state
Fixes local batch coverage for #810, #811, and #871.

- Lock provider form cancellation and duplicate submission while save is in flight.

- Persist the active Settings tab while navigating away and back.

- Carry an empty-session composer draft onto the replacement session when switching project.

Tested: cd desktop && bun run test -- --run src/__tests__/generalSettings.test.tsx src/components/chat/ChatInput.test.tsx

Tested: cd desktop && bun run test -- --run src/__tests__/diagnosticsSettings.test.tsx

Tested: bun run check:desktop

Not-tested: full bun run verify; local handoff only, not PR/push-ready.

Confidence: high

Scope-risk: narrow
2026-06-22 23:00:44 +08:00
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