feat(components): ActionButton stopAlert + typography type fixes

docs/superpowers/specs/2026-06-08-fightrate-rn-background-capture-redesign.md

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+# FightRate RN — Background Capture + Corner Instrument Redesign
+
+## Objective
+Make the bare React Native Android app capture heart-rate data continuously until the athlete manually stops the workout, including when the screen is locked or the app is backgrounded. Replace foreground-JS BLE ownership and generic card UI with native Android capture ownership, local SQLite persistence, and Corner Instrument screens.
+
+## Success Criteria
+- Capture is started/stopped from React Native, but BLE scan/connect/monitor runs in an Android foreground service.
+- Android manifest declares Bluetooth, notification, foreground service, and battery optimization permissions needed for continuous capture.
+- The foreground service repeats scan/reconnect attempts unless stopped manually.
+- Heart Rate Service `180D` and Heart Rate Measurement `2A37` are used for real BLE BPM data.
+- Each BPM sample is timestamped and persisted locally in SQLite.
+- History and insights use persisted real sessions/samples; no mock BPM/history/insight data is displayed.
+- UI follows `FIGHTRATE_DESIGN_SYSTEM.md` / Corner Instrument: dark physical instrument surfaces, dominant BPM, technical strips, no nested generic card dashboard.
+- Release APK builds as an installable arm64 artifact and is sent to Telegram.
+
+## Boundaries
+- React Native bare CLI only; no Expo.
+- Android-first implementation; iOS background BLE is out of scope.
+- Physical Magene H003 validation remains required on device.
+- Manual destructive deletion of non-design project files is avoided.
+
+## Verification
+- `npm run typecheck`
+- `npm run lint`
+- `npm test -- --runInBand`
+- `npm audit --audit-level=moderate`
+- `cd FightRateRN/android && ./gradlew assembleRelease -PreactNativeArchitectures=arm64-v8a`