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Follow-up to #7580: the escalation it added could never fire. ## What's broken The auto-run skips a policy that has already run on a file, keyed on `(categoryId, fileId)`. `recordRunStart` claims that key — and #7580 has the **browser-side first pass** record its own run under `categoryId: "classification"` for the uploaded file. So the local heuristic ticks the very key the server escalation checks, and the AI is never asked, at any confidence. Trigger is the default seeded setup: **Classification as the only on-upload policy**, and a local verdict below `high`. Any other on-upload policy masks it, because classification then targets that policy's output — a new file id whose key was never claimed. That's why this went unnoticed. Two smaller faults in the same path: - A chained output carried no `classificationConfidence`, so `shouldDispatchToAi` waited for a verdict that could never arrive (a tool-derived file gets no local pass). - Browser-local runs were polled against the server: 3 × 404 per file, after which `MAX_NOT_FOUND` marked a local run that had actually **succeeded** as `FAILED`. ## The fix - `PolicyRunRecord.browserLocal`; `recordRunStart` skips the dispatch claim for such a run. It is the first pass, not the policy's run. - The local pass meters under `classification:local-meter` instead of the category id, so metering dedupe survives without suppressing dispatch. - The poll effect skips browser-local runs. - `CONSUME_FILES` inherits `classificationConfidence` alongside the labels, so the verdict survives a version bump. ## How to test Download [`low-confidence-classification.pdf`](https://github.com/Stirling-Tools/Stirling-PDF/raw/fix/chained-classification-confidence/frontend/editor/src/proprietary/services/heuristic/fixtures/low-confidence-classification.pdf) (checked in as a fixture, verdict pinned by a test). With **Classification as the only on-upload policy**, upload it and watch the Network tab: - **Before:** no `POST /api/v1/policies/{id}/run` for classification, ever. Console shows `local-classification-*` 404s. - **After:** exactly one, and the engine receives `POST /api/v1/documents/classify`. Judge it on that request, not on the resulting label — the model's answer varies, so a label comparison can pass or fail for the wrong reason. Headless equivalent: ``` npx vitest run --project proprietary src/proprietary/components/policies/usePolicyAutoRun.escalation.test.tsx ``` Passes here, fails on `main` on "asks the AI about an unsure verdict even though the local pass already ran". Its other two cases pass on both, so the guards still hold: a confident verdict still costs nothing, and a file with no verdict yet still waits rather than racing the free pass. New tests drive the **real** run store — mocking it is what let this through. `task frontend:check`: 255 files / 2202 tests.