[Juliusolsson05]

Summary

Two debug-tooling commits that were sitting on a stale local branch (`debug-bundle-autosave`, last touched 2026-04-28). Rebased onto `main` with conflict resolution against the dictation work that landed in PRs #31 and #32.

`feat(debug): autosave debug bundles`

Adds an opt-in periodic + last-chance debug bundle dump for active agents. Includes a new `aggressiveDebugPersistence` setting (off by default — bundles can be large), a command-palette entry to trigger a save manually, and integration in App.tsx for unload-time persistence. Touches:

• `src/main/storage/debugBundle.ts`
• `src/renderer/src/features/debug/saveDebugBundle.ts`
• `src/renderer/src/app-state/settings/{types,persistence}.ts` — new `aggressiveDebugPersistence: boolean`
• `src/renderer/src/features/{command-palette,settings}/...`
• `src/renderer/src/app/App.tsx`

`fix(debug): harden feed debug persistence`

Tightens `feedDebugLog.ts` write-path so a partial / interrupted write doesn't corrupt the file on next read.

Conflict resolution

Two settings files conflicted with the dictation feature additions on `main`:

• `settings/types.ts` — combined: kept `dictationEnabled` / `dictationProvider` / `dictationShortcut` AND added `aggressiveDebugPersistence`.
• `settings/persistence.ts` — combined the same way in `coerceSettings` and `DEFAULT_SETTINGS`.

Test plan

• Reviewer: enable `aggressiveDebugPersistence` in Settings, run an agent, confirm bundles drop into `~/.config/cc-shell/debug-bundles/` on the configured cadence and on quit.
• Reviewer: confirm dictation still works (the conflict resolution in `settings/persistence.ts` and `settings/types.ts` preserves all dictation fields).

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