Kegel pelvic floor trainer — Expo/RN MVP

Guided session timer: progressive squeeze-holds (5s +1s/3 sessions, cap
30s), reverse-kegel push holds, quick flicks in/out. Local-only progress
in AsyncStorage; signed APK via Gitea Actions on the desktop runner.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

README.md

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+# Kegel
+
+Pelvic floor trainer for sexual performance — a free, local-only take on what
+Stamina was before it went paid. Expo / React Native, Android + iOS.
+
+## How it works
+
+A session is four guided blocks driven by a step timer with haptic cues:
+
+1. **Holds** — 8 × squeeze-and-hold. This is the progressive-overload driver:
+   holds start at 5s and grow **+1s every 3 completed sessions** (capped at
+   30s). Manual ±1s adjustment in Settings.
+2. **Pushes** — 5 × reverse kegel (gently bear down). Scales at half the rate
+   of holds, capped at 12s.
+3. **Quick squeezes** — 10 × 1s burst contractions with 1s release.
+4. **Quick pushes** — 10 × 1s burst pushes with 1s release.
+
+Progress (session count, difficulty adjustment) lives in AsyncStorage — no
+server, no account.
+
+## Layout
+
+- `src/app/` — expo-router screens: `index` (home), `session` (timer), `settings`
+- `src/lib/workout.ts` — pure session-plan + progression logic
+- `src/lib/store.ts` — tiny local store persisted to AsyncStorage
+- `android/` — committed prebuild output; CI builds it directly
+
+## Development
+
+```sh
+npm install
+npm start            # Expo dev server
+npm run typecheck
+```
+
+## Release
+
+Push to `main` → Gitea Actions on the desktop runner (`runs-on: desktop`,
+never the VPS) builds a signed APK and publishes a Gitea release — install via
+Obtainium. Keystore: `~/.android-keys/kegel-release.jks` (repo secrets
+`KEYSTORE_B64`, `KEYSTORE_PASSWORD`; alias `kegel`). iOS runs via
+`npx expo run:ios` from a Mac.