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Nicky LeachandPaperclip
44694328a3
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - The server provides issue APIs and the database stores issue child rows > - The issue delete endpoint removes the parent issue before dependent rows > - Several issue foreign keys had no delete policy, so PostgreSQL returned a foreign-key error > - This pull request adds safe cascade and set-null policies and a clear conflict response > - The benefit is reliable issue deletion with a useful error when a restricted audit row still blocks deletion ## Linked Issues or Issue Description Fixes #7728 Fixes #4660 Fixes #7991 Fixes #4627 Fixes #5086 **What happened?** `DELETE /api/issues/:id` returned HTTP 500 when dependent comments, thread interactions, read states, inbox archives, feedback votes, or ledger rows referenced the issue. The database raised SQLSTATE 23503 because several foreign keys had no delete policy. **Expected behavior** The endpoint must remove dependent rows that have no meaning without the issue. It must keep ledger rows with a null issue reference. It must return HTTP 409 when a restricted decision audit row still references the issue. **Steps to reproduce** 1. Create an issue. 2. Add a comment or thread interaction that references the issue. 3. Send `DELETE /api/issues/:id`. 4. Observe the HTTP 500 response. **Paperclip version or commit** Commit `1f8f456f8340823fe2bd891ae8933d942f190b7b`. **Deployment mode** Local dev with embedded PGlite or external PostgreSQL. ## What Changed - Add `CASCADE` to five issue child foreign keys. - Add `SET NULL` to the finance and cost event issue foreign keys. - Keep decision audit references restricted. - Map SQLSTATE 23503 from the issue delete service to HTTP 409. - Add migration 0217 for the seven changed tables. - Add regression tests for cascade deletion and restricted decision references. ## Verification - Run `pnpm --filter @paperclipai/db typecheck`. - Run `pnpm --filter @paperclipai/server typecheck`. - Run `npx vitest run src/__tests__/issue-remove-cascade.test.ts` from `server/`. - The regression test applies migration 0217 to a fresh embedded PostgreSQL database. ## Risks - Migration 0217 changes only seven foreign keys that reference `issues.id`. - Cascade deletion removes child rows that cannot exist without the parent issue. - Set-null preserves finance and cost ledger rows. - Decision audit rows remain protected, so the endpoint can return HTTP 409. ## Model Used Codex, based on GPT-5, with tool use and code-review support. The implementation author used an AI coding agent. This PR handoff uses the same model family to validate the commit and manage the pull request. ## 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 - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [ ] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>