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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Issues reference external objects such as GitHub pull requests. The instance resolves their status and shows it in the UI. > - GitHub returns 404 both when a pull request or issue does not exist and when the repository exists but the configured credentials cannot see it. GitHub hides private repos behind a 404 on purpose. > - The resolver treated every 404 as a terminal not-found verdict. It froze references to inaccessible repos forever, and marked them "Not found (Stale)". > - This pull request probes the repository metadata to tell the two cases apart and keep frozen objects re-checkable. > - The benefit is accurate statuses instead of permanent "Not found" labels for repos the instance cannot see. ## Linked Issues or Issue Description No public GitHub issue exists for this report. **What happened?** - The issue properties panel and markdown decoration showed many GitHub pull request and issue references as "Not found (Stale)" even though the objects exist. - GitHub returns 404 for objects the configured credentials cannot access, not only for objects that are truly gone. - The resolver treated every 404 as a terminal not-found verdict, so those references were frozen and showed a misleading "stale" liveness. - Detected-but-unresolved GitHub objects were labeled "Not yet resolved" in inline markdown, which did not match the pill label "Not yet refreshed". **Expected behavior** - A reference to a repo the credentials cannot see should surface as authorization-required, not as a permanent "Not found". - A truly missing object should still be "Not found". - A terminal object (merged, closed, or confirmed not-found) should not be labeled "Stale", because it is never refreshed again. - Inline markdown statuses should match the pill statuses. **Steps to reproduce** 1. Configure GitHub credentials with no access to a private repo. 2. Add a comment or issue description that links to a pull request in that repo. 3. Wait for the external object resolver to run. 4. Observe the reference labeled "Not found (Stale)". **Paperclip version or commit** - `master` at `e733bdd` (before this change). **Deployment mode** - Self-hosted server. ## What Changed - Added a repository visibility probe to the GitHub external object provider. - A 404 for an object now probes the repository metadata with the same credentials: - Repository visible: the object genuinely is gone. Keep the not-found snapshot. - Repository hidden: return an authorization-required result instead of a terminal not-found verdict. - Probe failed (network, rate limit, 5xx): return an unreachable result and retry later. - A rate-limited repository probe (403 with `x-ratelimit-remaining: 0`) is treated as uncertain, not as missing access, so it retries instead of showing a misleading "Requires auth". - Re-check previously frozen GitHub not-found objects on their normal schedule so they self-heal once credentials or repo visibility improve. A frozen object is only re-checked until a probe confirms the repo is visible; once confirmed deleted, it is terminal and no longer polled. - Cleared any terminal verdict when a refresh fails, so a failed refresh does not freeze an object. - Kept terminal objects from displaying the "stale" liveness label. - Matched the inline markdown status label to the pill status label, so detected-but-unresolved GitHub objects say "Not yet refreshed" instead of "Not yet resolved". - Skipped the liveness suffix in markdown links and status icons when it duplicates the status label (e.g. no more "Requires auth (Requires auth)"). - Cached repository visibility probes per company+repo + credential fingerprint, so many objects in the same repo share one probe per refresh cycle instead of each issuing its own — and a verdict obtained under one token is never reused by a later refresh running under a different credential. ## Verification - Added provider tests for visible, hidden, failed, and rate-limited repository probes, per-company/per-repo probe caching, and probe-verified not-found snapshots. - Added service tests for terminal-object liveness, for re-checking frozen GitHub not-found objects, and for ensuring probe-verified not-found objects are never re-queued. - Added UI tests asserting unresolved GitHub objects render as "Not yet refreshed" (not "Not yet resolved") and that failed-first-refresh labels do not repeat the liveness text. - Ran `npx vitest run src/__tests__/external-objects-service.test.ts` in `server/`: 34 passed (incl. provider + service suites). - Ran the external-object markdown/pill/icon suites in `ui/`: 97 passed. - `ci / Typecheck + Release Registry` and all other CI gates pass on this head. Local `tsc` could not run to completion in the execution sandbox (the sandbox memory cap killed it), so CI typecheck is the authoritative gate. ## Risks - Low risk. The change is confined to the GitHub external object provider and the external object service. - A repo that genuinely does not exist and a private repo both return 404 for the probe. Both now surface authorization-required or a retry instead of an immediate not-found freeze, which stays re-checkable and self-heals. - Re-checking frozen not-found objects adds at most one repository probe per affected object until the probe produces a definitive verdict, after which the object is terminal and no longer polled. Probe results are cached per company+repo+credential, so a credential rotation always re-probes instead of inheriting a stale verdict. > 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 - Provider: DeepSeek via OpenRouter, model ID `openrouter/~deepseek/deepseek-v4-flash-latest`, running inside the Paperclip opencode adapter (`opencode_local`). - The model produced and assisted with the reasoning and code changes; the execution workspace, test suite, and git/PR steps above were run by the same agent run. ## 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) - [ ] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details — the branch name is assigned by the managed execution workspace and the harness requires keeping it - [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 on the current head (all `ci / *`, Greptile, Socket, and review checks pass) - [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: devinfoley <139239+devinfoley@users.noreply.github.com> Co-authored-by: Paperclip <noreply@paperclip.ing>