[currentbits]

Adds three workflow improvements:

• Automation sessions: keep the existing new-thread default, continue a selected thread, or reuse it with fresh provider context. Fixed targets use the same project/provider/model and default permissions without extra account/grant/routing authority. Budget limits apply to accumulated thread usage. Busy targets skip safely; fresh resets happen after launch preflight, and per-fire history stays accurate across mode changes.
• Repository completions: scoped, debounced @user and issue/PR/MR references in description and comment editors, with caret-aware insertion, keyboard controls, pagination and stale-response protection. Numeric references resolve directly. GitLab descriptions and new comments now use the existing workspace through scoped glab API calls.
• Description checklists: source-mapped checkbox changes preserve formatting, fetch the latest server body and rebase only an identifiable task. Unsaved drafts stay protected, and ambiguous concurrent changes require reload. Forge description APIs provide no conditional body write, so a remote edit between fetch and write remains possible.

Validation: all 3,842 renderer tests and 5,875 Electron tests pass (4 Electron skips), with typecheck/preload sync and production build passing. The full Electron suite ran with controlled local concurrency to avoid process exhaustion. Focused backend/session/configuration checks and mounted editor regressions pass; generated site checks pass. New portable completion backend tests are included in Windows CI. All four review findings are fixed with regression coverage. macOS CI exposed an existing concurrent fake-gh fixture write; read-only fixture calls no longer rewrite shared state, and all 62 affected PR backend tests pass after the fix.

Closes #1874
Closes #1878
Closes #1879

Created with gpt-6.1-sol in Codex, using three GPT-6.1 workers.

[chatgpt-codex-connector]

Codex Review Summary: ✅ Completed

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-11-07T15:51:33.925785Z	b75f415	PR opened

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: b75f41597d

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