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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Task watchdogs verify stopped issue subtrees and restore valid work paths. > - A watchdog must read the full subtree before it can prove that all paths stopped. > - The current query stops after 100 levels and does not report omitted children. > - A running child beyond this limit can be absent from both review dispatch and mutation checks. > - This pull request reports an incomplete scan and blocks both decisions. > - Complete subtrees keep their current behavior and stop fingerprints. ## Linked Issues or Issue Description Fixes: #15061 Related PRs: #11327 changes subtree loading but keeps the same depth limit without a completeness result. #10331 changes mutation freshness after watchdog writes. Neither patch covers this boundary. This patch does not take code from those proposals. ## What Changed - Keep the existing 100-level traversal limit. - Check for an eligible child beyond the boundary in the same SQL statement as the subtree read. - Apply the same company, visibility, harness, and watchdog-origin filters to this check. - Return `incomplete` without a stop fingerprint when the scan omits eligible children. - Skip review dispatch and reject watchdog mutation revalidation for an incomplete scan. - Report incomplete scans through their own count and watched issue IDs. Log each newly incomplete issue at startup or during periodic reconciliation. Suppress unchanged results. Allow a new warning after the issue recovers and becomes incomplete again. - Add real PostgreSQL regressions for dispatch, a previously valid mutation scope, the complete boundary leaf, and excluded children. - Document the incomplete-scan behavior. ## Verification - Base: `569c7203aa24b95440682983ce7940ba1d4247bd`. Head: `06f68199656f979ef5eb4897851f0fbcbca592d3`. - Before the fix, two real PostgreSQL regressions fail. The service dispatches a review for a partial subtree. It also accepts a prior scope after a running depth-100 child appears. The other 19 scheduler checks pass. - On the exact final head, `pnpm -r typecheck` and `pnpm build` pass on isolated Ubuntu with Node 24.19.0, pnpm 9.15.4, and runner Rust 1.97.1. - All 75 related tests pass. Run `pnpm --filter @paperclipai/server exec vitest run src/__tests__/task-watchdogs-classifier.test.ts src/__tests__/task-watchdogs-scheduler.test.ts src/__tests__/server-startup-feedback-export.test.ts src/__tests__/issue-watchdogs-routes.test.ts --maxWorkers=1`. - Full `test:run` coverage passes across 29 logical groups: all official stable-runner lanes plus supplemental service and script tests. The selection covers all 900 server source test files without duplicate or omitted selections. It also includes UI, CLI, and other workspace projects. - A separate validation tree applies both this PR and #15067 to upstream `994d6edcdd4e15d5f9cc5cf8c135ac599104b86a` without conflicts. Type checks, the build, and all 98 related tests across five files pass. Both public PR heads remain unchanged. - Four full server lanes required test-process environment corrections. The host DNS search suffix resolved a `.invalid` fixture to an address. Ancestor project authentication settings affected hire fixtures. The old path-isolation tool also failed test imports with `EFAULT`. The exact base has the same failures: 8 failed and 128 passed assertions without isolation, then three failed imports with the old tool. All 136 checks pass on both the base and this head with the corrected isolation. All four original full lanes pass with the corrected tool, a resolver without a search suffix, empty ancestor project settings, and the standard Node path. No assertion or wait limit changed. The host configuration remains unchanged. - Earlier interrupted Ubuntu and Docker runs are retained and are not counted as passes. This exact-head Ubuntu run passes the original chat, port-conflict, and serialized lanes. The causes of the earlier host-loss and timing failures are not fully established. - The startup import regression in an earlier revision is fixed by a diagnostics module with no database dependencies. All 21 startup checks pass. - Exact-head CI, including the added scans after marking the PR ready: 54 successful checks and 2 skipped checks. Greptile: 5/5, no outstanding findings or follow-ups. Both review threads are resolved. - The final audit rechecked issue authors, assignees, comments, 206 open watchdog search results, root functions and fields, source history, and related diffs. The latest upstream is `994d6edcdd4e15d5f9cc5cf8c135ac599104b86a`. Its new patches do not cover this root. No competing root repair was found within the audited scope. The issue has no assignee or new comment. - No model provider, production database, or user instance was used. This verifies service behavior, not a full HTTP authorization bypass. ## Risks - A subtree with eligible children beyond 100 levels now waits instead of running a review. This is a deliberate safety boundary. It remains blocked until the scan can include the full subtree. - The boundary check adds a child-existence lookup to the existing recursive query. - No schema migration is required. Complete subtrees retain their fingerprint format. - This does not add unlimited traversal or close the separate race between a subtree snapshot and later source mutations. - The configuration lifecycle defect in #15060 is handled by separate PR #15067. This branch does not include its schema or configuration changes. ## Model Used - OpenAI Codex, based on GPT-6, assisted with source analysis, implementation, and test execution. The exact serving model ID and context window are not exposed in this session. The agent used reasoning, shell tools, GitHub CLI, and real PostgreSQL tests. ## 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