feat: migrate from Python Claude Agent SDK to Vercel AI SDK v6 (TypeScript)

.coderabbit.yaml

@@ -42,18 +42,14 @@ reviews:
 
   # Path-specific review instructions
   path_instructions:
-    - path: "apps/backend/**/*.py"
-      instructions: |
-        Focus on Python best practices, type hints, and async patterns.
-        Check for proper error handling and security considerations.
-        Verify compatibility with Python 3.12+.
-    - path: "apps/frontend/**/*.{ts,tsx}"
+    - path: "apps/desktop/**/*.{ts,tsx}"
       instructions: |
         Review React patterns and TypeScript type safety.
         Check for proper state management and component composition.
-    - path: "tests/**"
+        Verify Vercel AI SDK v6 usage patterns and tool definitions.
+    - path: "apps/desktop/**/*.test.{ts,tsx}"
       instructions: |
-        Ensure tests are comprehensive and follow pytest conventions.
+        Ensure tests are comprehensive and follow Vitest conventions.
         Check for proper mocking and test isolation.
 
 chat:

.github/actions/setup-node-frontend/action.yml

@@ -41,7 +41,7 @@ runs:
       shell: bash
       # Run npm ci from root to properly handle workspace dependencies.
       # With npm workspaces, the lock file is at root and dependencies are hoisted there.
-      # Running npm ci in apps/frontend would fail to populate node_modules correctly.
+      # Running npm ci in apps/desktop would fail to populate node_modules correctly.
       run: |
         if [ "${{ inputs.ignore-scripts }}" == "true" ]; then
           npm ci --ignore-scripts
@@ -51,12 +51,12 @@ runs:
 
     - name: Link node_modules for electron-builder
       shell: bash
-      # electron-builder expects node_modules in apps/frontend for native module rebuilding.
+      # electron-builder expects node_modules in apps/desktop for native module rebuilding.
       # With npm workspaces, packages are hoisted to root. Create a link so electron-builder
       # can find the modules during packaging and code signing.
       # Uses symlink on Unix, directory junction on Windows (works without admin privileges).
       #
-      # IMPORTANT: npm workspaces may create a partial node_modules in apps/frontend for
+      # IMPORTANT: npm workspaces may create a partial node_modules in apps/desktop for
       # packages that couldn't be hoisted. We must remove it and create a proper link to root.
       run: |
         # Verify npm ci succeeded
@@ -65,42 +65,42 @@ runs:
           exit 1
         fi
 
-        # Remove any existing node_modules in apps/frontend
+        # Remove any existing node_modules in apps/desktop
         # This handles: partial directories from npm workspaces, AND broken symlinks
-        if [ -e "apps/frontend/node_modules" ] || [ -L "apps/frontend/node_modules" ]; then
+        if [ -e "apps/desktop/node_modules" ] || [ -L "apps/desktop/node_modules" ]; then
           # Check if it's a valid symlink pointing to root node_modules
-          if [ -L "apps/frontend/node_modules" ]; then
-            target=$(readlink apps/frontend/node_modules 2>/dev/null || echo "")
-            if [ "$target" = "../../node_modules" ] && [ -d "apps/frontend/node_modules" ]; then
-              echo "Correct symlink already exists: apps/frontend/node_modules -> ../../node_modules"
+          if [ -L "apps/desktop/node_modules" ]; then
+            target=$(readlink apps/desktop/node_modules 2>/dev/null || echo "")
+            if [ "$target" = "../../node_modules" ] && [ -d "apps/desktop/node_modules" ]; then
+              echo "Correct symlink already exists: apps/desktop/node_modules -> ../../node_modules"
             else
               echo "Removing incorrect/broken symlink (was: $target)..."
-              rm -f "apps/frontend/node_modules"
+              rm -f "apps/desktop/node_modules"
             fi
           else
             echo "Removing partial node_modules directory created by npm workspaces..."
-            rm -rf "apps/frontend/node_modules"
+            rm -rf "apps/desktop/node_modules"
           fi
         fi
 
         # Create link if it doesn't exist or was removed
-        if [ ! -L "apps/frontend/node_modules" ]; then
+        if [ ! -L "apps/desktop/node_modules" ]; then
           if [ "$RUNNER_OS" == "Windows" ]; then
             # Use directory junction on Windows (works without admin privileges)
             # Use PowerShell's New-Item -ItemType Junction for reliable path handling
             abs_target=$(cygpath -w "$(pwd)/node_modules")
-            link_path=$(cygpath -w "$(pwd)/apps/frontend/node_modules")
+            link_path=$(cygpath -w "$(pwd)/apps/desktop/node_modules")
             powershell -Command "New-Item -ItemType Junction -Path '$link_path' -Target '$abs_target'" > /dev/null
             if [ $? -eq 0 ]; then
-              echo "Created junction: apps/frontend/node_modules -> $abs_target"
+              echo "Created junction: apps/desktop/node_modules -> $abs_target"
             else
               echo "::error::Failed to create directory junction on Windows"
               exit 1
             fi
           else
             # Use symlink on Unix (macOS/Linux)
-            if ln -s ../../node_modules apps/frontend/node_modules; then
-              echo "Created symlink: apps/frontend/node_modules -> ../../node_modules"
+            if ln -s ../../node_modules apps/desktop/node_modules; then
+              echo "Created symlink: apps/desktop/node_modules -> ../../node_modules"
             else
               echo "::error::Failed to create symlink"
               exit 1
@@ -111,16 +111,16 @@ runs:
         # Final verification - the link must exist and resolve correctly
         # Note: On Windows, junctions don't show as symlinks (-L), so we check if the directory exists
         # and can be listed. On Unix, we also verify it's a symlink.
-        if [ "$RUNNER_OS" != "Windows" ] && [ ! -L "apps/frontend/node_modules" ]; then
-          echo "::error::apps/frontend/node_modules symlink was not created"
+        if [ "$RUNNER_OS" != "Windows" ] && [ ! -L "apps/desktop/node_modules" ]; then
+          echo "::error::apps/desktop/node_modules symlink was not created"
           exit 1
         fi
         # Verify the link resolves to a valid directory with content
-        if ! ls apps/frontend/node_modules/electron >/dev/null 2>&1; then
-          echo "::error::apps/frontend/node_modules does not resolve correctly (electron not found)"
-          ls -la apps/frontend/ || true
-          ls apps/frontend/node_modules 2>&1 | head -5 || true
+        if ! ls apps/desktop/node_modules/electron >/dev/null 2>&1; then
+          echo "::error::apps/desktop/node_modules does not resolve correctly (electron not found)"
+          ls -la apps/desktop/ || true
+          ls apps/desktop/node_modules 2>&1 | head -5 || true
           exit 1
         fi
-        count=$(ls apps/frontend/node_modules 2>/dev/null | wc -l)
-        echo "Verified: apps/frontend/node_modules resolves correctly ($count entries)"
+        count=$(ls apps/desktop/node_modules 2>/dev/null | wc -l)
+        echo "Verified: apps/desktop/node_modules resolves correctly ($count entries)"

.github/actions/submit-macos-notarization/action.yml

@@ -14,7 +14,7 @@ inputs:
   dmg-path:
     description: 'Path to the dist directory containing the DMG file'
     required: false
-    default: 'apps/frontend/dist'
+    default: 'apps/desktop/dist'
 
 outputs:
   notarization-id:

.github/dependabot.yml

@@ -1,20 +1,8 @@
 version: 2
 updates:
-  # Python dependencies
-  - package-ecosystem: pip
-    directory: /apps/backend
-    schedule:
-      interval: weekly
-    open-pull-requests-limit: 5
-    labels:
-      - dependencies
-      - python
-    commit-message:
-      prefix: "chore(deps)"
-
   # npm dependencies
   - package-ecosystem: npm
-    directory: /apps/frontend
+    directory: /apps/desktop
     schedule:
       interval: weekly
     open-pull-requests-limit: 5