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rcourtman
b9c98a4a16
The Patrol page fetched `GET /api/ai/circuit/status` on every load, every 60 s poll, every return to the tab, and again in the background after Retry. The store's breaker state had one production reader: the `circuitBreakerStatus` memo in `usePatrolIntelligenceState`, which nothing read and which #2695 removes. An open breaker already reaches the page through `/api/ai/patrol/status` as the `circuit_open` blocked cause, and the paused banner shows its reason. ## Change - `stores/aiIntelligence.ts`: remove the breaker signal, getter, `circuitBreakerStatusSignal`, `loadCircuitBreakerStatus()`, its org-switch reset, and its `loadDashboardData()` entry. - `features/patrol/usePatrolIntelligenceState.ts`: drop the read from the Retry path's background supporting reads. - `api/ai.ts`: remove `AIAPI.getCircuitBreakerStatus` and the `CircuitBreakerStatus` type; nothing else used them. The backend route stays. - Tests: the client's unit tests and the store and page test mocks go. The store bundle test still pins the exact AIAPI read set. The breaker route stubs are removed from seven E2E specs. - Contracts: patrol-intelligence, ai-runtime, api-contracts and frontend-primitives say the browser reads no breaker status and how an open breaker still reaches Patrol. Each note sits next to #2677's correlation note. ## Evidence - Normalized production-build compare: only the removed store loader, signal, getter and client differ in `index.js`, plus the removed supporting read in `AIIntelligence.js`. `check-bundle-size.mjs` passes. - Private demo-mode stacks for the parent and this tree, driven by the same Playwright script at 1440x900 and 390x844. Across Patrol load, tab hide/show and stale-data Retry, the breaker read drops from 1-2 requests per phase to none. Every other endpoint matches, the Open in Assistant handoff is unchanged, and neither build logs a console error. - A forced `circuit_open` Patrol status still shows "Patrol paused / circuit breaker is open" on both builds. - `tsc --noEmit`, eslint, and vitest for `src/stores`, `src/api`, `src/features/patrol`, `src/components/AI`, the Patrol page test and the boundaries test pass, as does the full pre-commit battery. Stacked on #2695 (which stacks on #2687) with #2677 merged in, so until those land this PR shows their commits too. The 2677 owner agreed this read belongs in a follow-up. `git merge-tree` is clean against main, #2677, #2690, #2691 and #2693.