诊断：Windows 上跑出包前的全部检查（不出包）

Author: stqfdyr

.github/workflows/mpv-check.yml

@@ -0,0 +1,66 @@
+# 一次性诊断（不出包，约 5 分钟）：在真 Windows 上跑出包前的全部检查，确认后再出正式包。
+name: mpv-check
+on:
+  push:
+    branches: ['diag/**']
+
+jobs:
+  build: # 与 windows.yml 同名，复用它的 Rust 编译缓存
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: 下载 mpv.exe（与 windows.yml 相同）
+        shell: pwsh
+        # 带本次运行的 token 查询：runner 出口 IP 共用，不带 token 时每小时 60 次的匿名额度常被耗尽（实测撞上过）
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          $rel = Invoke-RestMethod https://api.github.com/repos/shinchiro/mpv-winbuild-cmake/releases/latest -Headers @{ Authorization = "Bearer $env:GH_TOKEN" }
+          # x86_64-v3：AVX2 优化的构建（2013 年以后的 CPU 都支持），软解和缩放更快
+          $asset = $rel.assets | Where-Object name -match '^mpv-x86_64-v3-\d{8}-git-.*\.7z$' | Select-Object -First 1
+          if (-not $asset) { throw '没找到 mpv 构建' }
+          Write-Host "mpv: $($asset.name)"
+          Invoke-WebRequest $asset.browser_download_url -OutFile mpv.7z
+          7z e mpv.7z mpv.exe -osrc-tauri/mpv -y
+
+      - name: 直接跑 mpv：配置目录带 \\?\ 前缀 vs 去掉前缀
+        shell: pwsh
+        timeout-minutes: 3
+        run: |
+          $dir = (Resolve-Path src-tauri/mpv).Path
+          $log = Join-Path $PWD 'mpv-check.log'
+          foreach ($cd in @("\\?\$dir", $dir)) {
+            Remove-Item $log -ErrorAction SilentlyContinue
+            $p = Start-Process -FilePath "$dir\mpv.exe" -Wait -PassThru -ArgumentList @(
+              "--config-dir=$cd", "--log-file=$log", '--vo=null', '--ao=null', '--force-window=no', '--idle=no',
+              'av://lavfi:testsrc=duration=1')
+            $t = Get-Content $log -Raw
+            Write-Host "config-dir=$cd  退出码=$($p.ExitCode)  读到mpv.conf=$($t -match 'Reading config file')  ModernZ=$($t -match '\[modernz\] Loading lua script')  自带OSC=$($t -match '@osc\.lua')"
+          }
+
+      - name: mpv 实际渲染截图（ModernZ、选集菜单；无显卡时走 WARP）
+        shell: pwsh
+        continue-on-error: true # 只为留证据，runner 没有桌面时不影响出包
+        timeout-minutes: 3
+        run: |
+          $env:SHOT_DIR = Join-Path $PWD 'smoke'; New-Item -ItemType Directory -Force $env:SHOT_DIR | Out-Null
+          $p = Start-Process -FilePath "$PWD\src-tauri\mpv\mpv.exe" -PassThru -ArgumentList @(
+            "--config-dir=$PWD\src-tauri\mpv", "--script=$PWD\tools\mpv-shot.lua", '--force-window=yes', '--ao=null', '--msg-level=all=v,modernz=trace,input=debug',
+            "--log-file=$env:SHOT_DIR\mpv-render.log", '--force-media-title="浴血黑帮 S01E01 测试"', 'av://lavfi:testsrc2=duration=60:size=1920x1080')
+          if (-not $p.WaitForExit(60000)) { Stop-Process $p.Id; Write-Host 'mpv 60 秒没退出（截图脚本没跑完），已结束' }
+          else { Write-Host "mpv 退出码 $($p.ExitCode)" }
+          Select-String -Path "$env:SHOT_DIR\mpv-render.log" -Pattern '\]\[e\]\[|d3d11|Using hardware|VO:' | ForEach-Object Line
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: src-tauri
+          save-if: false
+      - name: Rust 测试（含 bundled_config_loads）
+        run: cargo test --manifest-path src-tauri/Cargo.toml -- --nocapture
+
+      - uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: smoke
+          path: smoke/