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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Paperclip creates isolated instances for linked git worktrees so development does not affect the primary instance > - Those instances inherited the source instance's automatic database-backup setting and also repaired older configs without overriding it > - As worktrees accumulated, each isolated instance could schedule its own backup stream, producing redundant backup churn for disposable database clones > - This pull request makes backup disablement an invariant of worktree config creation and repair > - The benefit is that automatic backups remain focused on the durable primary instance while isolated development instances stop accumulating redundant backup files ## Linked Issues or Issue Description No public GitHub issue exists for this bug, so the report is included here. The closest related open change is Refs #10266, which hardens where worktree config repair may write; this PR changes the backup policy applied by that repair and by worktree initialization. ### What happened? Isolated worktree instances copied `database.backup.enabled` from their source config. When the source instance enabled automatic backups (the normal default), every linked worktree also enabled a scheduled backup stream. Existing worktree configs kept that state during startup repair, so the redundant backups continued after the policy changed. ### Expected behavior Automatic database backups are disabled for isolated worktree instances created by `paperclipai worktree init` or `paperclipai worktree:make`, and legacy worktree configs are migrated to that policy during normal startup repair. The durable primary/default instance keeps its existing backup behavior. ### Steps to reproduce 1. Start from a Paperclip instance whose database backup setting is enabled. 2. Create or initialize a linked worktree with `paperclipai worktree init`. 3. Inspect the generated worktree config and environment. 4. Before this change, the config retained `database.backup.enabled: true` and the environment had no disabling override; after this change, the config is false and `PAPERCLIP_DB_BACKUP_ENABLED=false` is persisted. ### Paperclip version, deployment mode, and environment - Reproduced against `master` before commit `ea5e0a0269`. - Deployment mode: local trusted development with linked git worktrees and embedded PostgreSQL. - Environment: Node.js 22, pnpm workspace install. ## What Changed - Always generate isolated worktree configs with automatic backups disabled. - Persist `PAPERCLIP_DB_BACKUP_ENABLED=false` in generated worktree environments. - Repair existing isolated worktree configs and environments that still enable backups. - Add CLI and server regression coverage for creation and legacy repair paths. - Document the worktree-specific backup policy and primary-instance exception. ## Verification - `pnpm exec vitest run cli/src/__tests__/worktree.test.ts server/src/__tests__/worktree-config.test.ts` — 52 tests passed. - `pnpm -r typecheck` — passed. - `pnpm build` — passed. - All repository commands above were run with inherited worktree runtime identity variables removed. ## Risks - Low operational risk: the change is limited to explicitly isolated worktree instances. - Operators who intentionally relied on automatic backups of disposable worktree databases will now need to run a manual backup or explicitly manage those files outside the scheduled worktree runtime. - No schema, migration, API, UI, lockfile, or workflow changes. > For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and discuss it in `#dev` before opening the PR. Feature PRs that overlap with planned core work may need to be redirected — check the roadmap first. See `CONTRIBUTING.md`. ## Model Used - OpenAI Codex based on GPT-5 (the runtime does not expose a more specific snapshot ID or context-window value), using reasoning, tool use, local code execution, and GitHub CLI integration. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>