Apps Bluetooth support & 1.0 breaking changes

.github/workflows/build-docs.yml

@@ -15,16 +15,20 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup Pages
         uses: actions/configure-pages@v5
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24.x"
+          cache: npm
       - run: npm ci
       - name: Build docs
-        run: npm run docs
+        run: npm run docs -w @microbit/microbit-connection
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: ./docs/build
+          path: ./packages/microbit-connection/docs/build
 
   deploy:
-    if: ${{ startsWith(github.ref, 'refs/tags/') }}
+    if: ${{ startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, '-') }}
     permissions:
       pages: write
       id-token: write

.github/workflows/build.yml

@@ -15,15 +15,18 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "20.x"
-          registry-url: 'https://registry.npmjs.org'
+          node-version: "24.x"
+          registry-url: "https://registry.npmjs.org"
           cache: npm
-      - uses: microbit-foundation/npm-package-versioner-action@v1
       - run: npm ci
         env:
           NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - run: npm run format:check
+      - uses: microbit-foundation/npm-package-versioner-action@v3
+        with:
+          working-directory: packages/microbit-connection
       - run: npm run ci
-      - run: npm publish
+      - run: npm publish -w @microbit/microbit-connection
         if: github.event_name == 'release' && github.event.action == 'created'
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

@@ -24,5 +24,8 @@ docs/build
 *.sln
 *.sw?
 
-/build
+build
 *.tgz
+
+# Hex files copied from top-level hex-files/ into app public dirs
+apps/*/public/hex-files

.prettierignore

@@ -0,0 +1,17 @@
+node_modules
+
+# Build / dist output
+build
+dist
+docs/build
+
+# Capacitor native projects (have their own tooling)
+apps/*/android
+apps/*/ios
+
+# Generated / vendored binaries and lockfiles
+apps/*/public/hex-files
+hex-files
+packages/microbit-connection/examples
+package-lock.json
+*.hex

AGENTS.md

@@ -0,0 +1,65 @@
+# microbit-connection
+
+TypeScript library for connecting to BBC micro:bit devices via USB and Bluetooth (BLE), including partial and full (DFU) flashing. Published as `@microbit/microbit-connection` on NPM.
+
+## Monorepo structure
+
+npm workspaces monorepo:
+
+- **`packages/microbit-connection/`** — The library. Dual ESM + CJS build.
+- **`apps/demo/`** — Vite + React demo app with Capacitor support for mobile.
+- **`third-party/`** — Vendored dependencies (patched dapjs).
+
+## Commands
+
+```
+npm run build:lib        # Build the library (ESM + CJS)
+npm run build            # Build everything (lib + demo)
+npm run dev              # Run demo app dev server
+npm test                 # Run tests (vitest)
+npm run format           # Prettier format
+npm run format:check     # Prettier check
+npm run docs             # Generate TypeDoc docs
+```
+
+From the library package directory (`packages/microbit-connection/`):
+
+- `npx vitest run` — Run tests once
+- `npx vitest` — Run tests in watch mode
+
+## Key source areas
+
+The library source is in `packages/microbit-connection/src/`:
+
+- **Connection types**: `usb.ts` (WebUSB), `bluetooth.ts` (Web Bluetooth), `usb-radio-bridge.ts` (radio bridge via USB)
+- **Flashing**: `flashing/` directory — `flashing-partial.ts` (partial flash over BLE/USB), `flashing-full.ts` (full flash), `nordic-dfu.ts` (DFU via Capacitor plugin), `flashing-v1.ts` (V1-specific)
+- **BLE services**: `accelerometer-service.ts`, `button-service.ts`, `uart-service.ts`, `led-service.ts`, `magnetometer-service.ts`, `dfu-service.ts`, `partial-flashing-service.ts`, `device-information-service.ts`
+- **Shared**: `device.ts` (core types/interfaces), `events.ts` (typed event target), `bluetooth-profile.ts` (UUIDs), `board-id.ts`
+
+## Architecture notes
+
+- Factory functions (`createWebUSBConnection`, `createWebBluetoothConnection`, `createRadioBridgeConnection`) are the public API entry points
+- Capacitor platform support: native BLE via `@capacitor-community/bluetooth-le`, native DFU via `@microbit/capacitor-community-nordic-dfu` (from `../nordic-dfu/`). These are peer dependencies.
+- `Capacitor.isNativePlatform()` is used to branch between web and native code paths.
+
+## Related projects
+
+Note: these paths rely on an {org}/{repo} scheme for checkouts that might not hold for all developers. If projects are not available then ask the user.
+
+### Capacitor plugins
+
+- **`../nordic-dfu/`** — Capacitor plugin wrapping the Nordic DFU libraries (iOS: iOSDFULibrary, Android: Android-DFU-Library). The iOS plugin code (`ios/Plugin/Plugin.swift`) configures the DFU initiator.
+
+### Native apps (reference implementations)
+
+- **`../microbit-ios/`** — The official micro:bit iOS app. Its DFU flow in `Source/irmLink.m` (lines ~3810-3885) is the reference for how DFU should work on iOS. The bundled `Pods/iOSDFULibrary/` contains the iOS DFU library source, useful for understanding scan/reconnect behaviour.
+- **`../microbit-android/`** — The official micro:bit Android app. Its DFU setup in `app/src/main/java/.../ProjectActivity.java` is the reference for Android DFU options.
+
+### Firmware and bootloader
+
+- **`../v2-bootloader/`** — micro:bit V2 bootloader. Key files:
+  - `bootloader/microbit/config/sdk_config.h` — build config (`NRF_DFU_BLE_REQUIRES_BONDS`, `NRF_DFU_BLE_ADV_NAME`)
+  - `nRF5SDK_mods/components/libraries/bootloader/ble_dfu/nrf_dfu_ble.c` — BLE transport with micro:bit-specific runtime patches (peer data validation, write permission downgrade, advertising name handling)
+  - `bootloader/main.c` — DFU observer and LED display symbols
+- **`../../lancaster-university/codal-microbit-v2/`** — micro:bit V2 runtime (CODAL). BLE stack configuration in `source/bluetooth/MicroBitBLEManager.cpp`.
+- **`../../lancaster-university/microbit-dal/`** — micro:bit V1 runtime (DAL).

CLAUDE.md

@@ -0,0 +1 @@
+@AGENTS.md