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## Thinking Path > - Paperclip is the open source control plane people use to coordinate AI-agent companies. > - Issue status transitions determine whether work keeps moving or silently stalls. > - A blocked issue previously could rely on prose alone, leaving the intended unblock owner unstructured and unnotified. > - Existing blocker-attention classification could identify stalled chains, but the signal was not delivered to the board attention feed. > - Blocked transitions also need rollout-safe deduplication so upgrades do not notify for historical issues and repeated processing does not create notification storms. > - This pull request adds structured unblock descriptors, prospective transition timestamps, owner delivery, and board attention routing with focused authorization controls. > - The benefit is that newly blocked work has an explicit, routable next action without weakening company boundaries or allowing agents to inject arbitrary human attention items. ## Linked Issues or Issue Description Related documentation PR: #10094. ### Subsystem affected Cross-cutting: `server/`, `packages/db`, and `packages/shared`. ### Problem or motivation An issue can enter `blocked` without a machine-readable unblock path. Prose-only ownership does not reliably wake the responsible agent or surface human-owned work, while the existing `blockerAttention` classifier is not delivered to an operator-facing attention feed. ### Proposed solution Require new transitions into `blocked` to have unresolved blockers, a pending interaction/approval, or a structured `{ owner, action }` descriptor. Notify an allowed owner once per prospective transition, route human-owned cases to board attention, and leave pre-rollout blocked issues untouched. ### Alternatives considered - Keep prose-only blockers: rejected because ownership remains unroutable. - Backfill all historical blocked issues: rejected because upgrades would create notification storms. - Let agents target arbitrary users or the board: rejected after security review because it creates an attention-injection channel. ### Roadmap alignment Aligns with `ROADMAP.md` → “Enforced Outcomes (watchdogs, recovery actions, review gates)” by making blocked work carry an explicit continuation path. ### Additional context The implementation is prospective-only and deduplicated per blocked transition. Agent-authored descriptors are limited to the acting agent; board actors retain human-owner routing. ## What Changed - Added persisted unblock descriptors and prospective blocked-transition delivery timestamps with an idempotent migration. - Added shared types and validation for board, user, and agent unblock owners. - Enforced valid blocked transitions and same-company owner validation in the issue update route. - Restricted agent-authored descriptors to the acting agent itself, preventing board/user attention injection by compromised agents. - Added one-per-transition agent wake delivery and prospective-only rollout gating. - Routed human-owned blocker attention into the board attention feed. - Added focused tests for validation, prospective delivery, flap deduplication, attention routing, route authorization, and stop-relay compatibility. ## Verification - `pnpm -r typecheck` - `pnpm exec vitest run server/src/__tests__/issue-agent-mutation-ownership-routes.test.ts server/src/__tests__/routable-blocked.test.ts server/src/__tests__/attention-service.test.ts packages/shared/src/validators/issue.test.ts` - `AWS_ACCESS_KEY_ID= AWS_SECRET_ACCESS_KEY= pnpm test:run` - `pnpm build` - `pnpm --filter @paperclipai/db check:migrations` ## Risks - Behavioral shift: new `blocked` transitions without a real blocker, pending governed action, or structured descriptor now return `422`. - Notification abuse is constrained by same-company validation, agent self-only routing, prospective rollout gating, and transition-scoped deduplication. - Migration risk is low: columns are additive, nullable, and use `IF NOT EXISTS`; historical blocked issues are not backfilled or notified. > 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 CLI with GPT-5.4, reasoning-enabled tool use and code execution. The runtime did not expose a context-window value. ## 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>