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## Thinking Path > - Paperclip manages agent companies and their access requests. > - Pending join requests appear in the attention feed and can age into automatic archival. > - The maintenance tick reads those requests even when no archive is due. > - Existing request rows already store the activity timestamp needed for retention. > - Committed changes can wake a worker that registers the next actual deadline. > - This PR gives join-request retention its own bounded worker and removes its recurring feed scan. > - Idle and resolved history stop producing retention traffic without changing access approval. ## Linked Issues or Issue Description **What happened?** Every retention maintenance pass reads pending join requests through the attention feed. Empty, resolved, kept, and future-due states still participate in recurring discovery. **Expected behavior** Committed request and retention changes wake the owner. It waits until the next actual archive deadline and stops querying when no eligible request remains. Existing approval and visibility behavior is preserved. **Steps to reproduce** Start an idle company with no pending join requests, or with requests younger than the 90-day archive threshold. Observe the maintenance feed repeatedly select join_requests. No state change is needed to cause those reads. This PR targets master after #17505 merged. Approval retention is #17497. Other attention source kinds remain separate migration duties. No duplicate open join-retention PR was found. ## What Changed - Add a join-request retention owner that preserves pending status, active-company visibility, matching invite ownership, and keep/archive controls. Invite expiry or revocation retains the existing feed policy. - Reuse one `createDecisionRetentionSweep` for approval and join paging, atomic retention and finite scan cycles that revisit failures despite continuing arrivals. Eligibility and source-row locks stay with each owner. - Register real saved deadlines, rounded upward in SQL to millisecond precision, with the existing coordinator. Preserve 100-row pages and thirty-second notification coalescing without idle polling. - Materialize unseen join state inside the existing authorized keep/archive/revive transaction, preserving archive choices and source locking. - Notify before request inserts and updates in the existing acceptance and Slack transactions. Use a small SQL-only helper for replay and approval/rejection updates. Company status, budget pause/resume, deletion, and retention controls notify this owner too. - Preserve the approved-only API-key consumption path without a new wrapper; it cannot produce pending retention work. - Exclude join requests from maintenance feed collection while retaining normal UI reads. - Add an idempotent concurrent partial pending index and prune old schema snapshots through the existing generator. - Document producer coverage, boundaries, failure evidence, and remaining work. ## Verification Test revision: `df1815fbba`. Normal integration of landed workspace precision `d23dd19750` has an identical complete source tree. This remains only the join-retention duty and its shared approval-retention mechanics, targeting master. - **55 worker cases pass**, including two new PostgreSQL regressions that failed before repair: continuing overdue arrivals no longer postpone a recovered failure indefinitely, while an entire failed page still allows later healthy rows to progress. - The nine complete suites passed 341 cases but failed an attention cleanup hook after its 16,400-run case. After vacuum/analyze of only that disposable fixture, the full 31-case attention suite passes unchanged. Together with the original eight passing suites (311 cases), all 342 distinct cases pass across complete-suite executions. Recovery is established; the original cleanup slowdown is not claimed explained. Server typecheck and production build pass. - Earlier CI at `df1d4d0` failed the unchanged decision-expiry restart deadline assertion (a thirty-second retry appeared before the saved expiry). All twenty unchanged expiry cases pass locally, but the CI timing cause remains unproven. No retry, timeout relaxation or assertion change is used to dismiss it; fresh final-head CI remains required. - **Five regressions failed before repair:** three unseen join controls returned 404, and both owners advertised a microsecond deadline one millisecond early. All pass. Two old real-producer expectations failed after the correct rounding change; they now derive exact expected milliseconds independently from database integer microseconds instead of truncating a JavaScript Date. - The initial timing-only concurrency test still passed a missing-lock mutation. It now observes the actual PostgreSQL wait before releasing the writer. Production passes; removing the lock fails with zero waiters instead of one. Source is restored before commit. The archive-first committed-order case confirms that later activity stays archived until explicit revival; no broader race guarantee is claimed. - Generated concurrent/idempotent `0393_open_grandmaster.sql` adds only the pending join index. All 391 parent journal entries and historical SQL files remain unchanged. Five generated snapshots remain (0389–0393). Migration safety/numbering, schema drift and actual apply/replay on six isolated PostgreSQL fixtures pass. - Existing lifecycle cases retain real HTTP invite acceptance/approval/rejection, Slack identity linking, rollback/outer commit, source visibility, failure rotation, drain/resume and shutdown coverage. Earlier stack setup and CI failures remain in the owning audit and stack ledger; they are historical evidence, not this head's acceptance. Commands: server Vitest for `join-request-retention-work`, `approval-retention-work`, `approvals-service`, `attention-service`, `decision-retention-service`, `budgets-service`, `tool-gateway-service`, `server-startup-feedback-export`, `scoped-deadline-work`; server typecheck/build; DB migration checks, snapshot drift and actual apply/replay. Fresh exact-head CI, security and Greptile/Ponytail 5/5 remain required. No full local repository-suite, deployed suspension or cost claim is made. ## Risks - A future supported producer must signal its transaction. Independent SQL writers and another active server process are outside the process-local notification contract. - A writer that wins the source lock first is rechecked before archival. If archival commits first, later activity preserves the archived state until explicit revival. Existing invite replay expires before the retention cutoff and Slack replay deduplicates. Future producers needing renewed visibility must request revival. Cross-table visibility retains the existing contract. - The worker registers only under the existing maintenance enablement switch. The internal deadline does not add Cloud alarm coverage or relax conservative sleep blockers. - New eligibility can wait within the thirty-second aggregate notification window; known deadlines preempt it. - Archival preserves pending approval status. Other attention sources and aggregate maintenance remain separate work. ## Model Used OpenAI Codex, GPT-6 family, with reasoning and code execution. The exact serving model identifier and context window were not exposed. ## 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 - [x] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>