feat: migrate from smart-whisper to custom binding + add cuda support

.github/workflows/release.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - feat.windows.support
+      - feat/whisper.migration
     tags:
       - 'v*'
   workflow_dispatch:
@@ -70,6 +71,13 @@ jobs:
           node-version: '24.1.0'
           cache: 'pnpm'
 
+      - name: Install CUDA Toolkit
+        if: matrix.os == 'windows'
+        uses: Jimver/cuda-toolkit@v0.2.15
+        with:
+          cuda: '12.4.1'
+          method: 'network'
+
       - name: Log Node.js architecture and platform
         run: |
           echo "=== Node.js Process Information ==="
@@ -78,8 +86,24 @@ jobs:
           echo ""
 
       - name: Install dependencies
+        env:
+          GGML_NATIVE: OFF # ensure postinstall builds avoid i8mm on CI runners
         run: pnpm install --frozen-lockfile
 
+      - name: Build whisper wrapper JS
+        run: pnpm --filter @amical/whisper-wrapper build
+
+      - name: Build whisper native binaries
+        env:
+          GGML_NATIVE: OFF # CI mac runners lack i8mm support; keep CPU features conservative here
+        run: pnpm --filter @amical/whisper-wrapper build:native
+
+      - name: Build whisper native binaries (cuda)
+        if: matrix.os == 'windows'
+        env:
+          GGML_NATIVE: OFF
+        run: pnpm --filter @amical/whisper-wrapper build:native:cuda
+
       - name: Download Node.js binaries
         working-directory: apps/desktop
         run: pnpm download-node
@@ -218,4 +242,4 @@ jobs:
             artifacts/windows-x64/*.exe
             artifacts/windows-x64/*.nupkg
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}