ci: change docfx target from source code to Unity built assemblies

.github/workflows/build-docs.yaml

@@ -11,13 +11,38 @@ on:
 
 jobs:
   run-docfx:
+    if: ${{ ((github.event_name == 'push' && github.repository_owner == 'Cysharp') || startsWith(github.event.pull_request.head.label, 'Cysharp:')) && github.triggering_actor != 'dependabot[bot]' }}
     permissions:
       contents: write
       pages: write
     runs-on: ubuntu-24.04
     timeout-minutes: 10
     steps:
+      - name: Load secrets
+        id: op-load-secret
+        uses: 1password/load-secrets-action@581a835fb51b8e7ec56b71cf2ffddd7e68bb25e0 # v2.0.0
+        with:
+          export-env: false
+        env:
+          OP_SERVICE_ACCOUNT_TOKEN: ${{ secrets.OP_SERVICE_ACCOUNT_TOKEN_PUBLIC }}
+          UNITY_EMAIL: "op://${{ vars.OP_VAULT_ACTIONS_PUBLIC }}/UNITY_LICENSE/username"
+          UNITY_PASSWORD: "op://${{ vars.OP_VAULT_ACTIONS_PUBLIC }}/UNITY_LICENSE/credential"
+          UNITY_SERIAL: "op://${{ vars.OP_VAULT_ACTIONS_PUBLIC }}/UNITY_LICENSE/serial"
       - uses: Cysharp/Actions/.github/actions/checkout@main
+      # Execute scripts: Export Package
+      #  /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod PackageExporter.Export
+      - name: Build Unity (.unitypackage)
+        uses: Cysharp/Actions/.github/actions/unity-builder@main
+        env:
+          UNITY_EMAIL: ${{ steps.op-load-secret.outputs.UNITY_EMAIL }}
+          UNITY_PASSWORD: ${{ steps.op-load-secret.outputs.UNITY_PASSWORD }}
+          UNITY_SERIAL: ${{ steps.op-load-secret.outputs.UNITY_SERIAL }}
+        with:
+          projectPath: src/UniTask
+          unityVersion: "2022.3.39f1"
+          targetPlatform: StandaloneLinux64
+          buildMethod: PackageExporter.Export
+
       - uses: Cysharp/Actions/.github/actions/checkout@main
         with:
           repository: Cysharp/DocfxTemplate

docs/docfx.json

@@ -4,7 +4,7 @@
       "src": [
         {
           "files": [
-            "UniTask/Assets/Plugins/UniTask/Runtime/**/*.cs"
+            "UniTask/Library/ScriptAssemblies/UniTask*.dll"
           ],
           "src": "../src"
         }
@@ -54,7 +54,6 @@
       }
     ],
     "dest": "_site",
-
     "globalMetadataFiles": [],
     "fileMetadataFiles": [],
     "template": [