fix latest review feedback

src/main.ts

@@ -2244,14 +2244,18 @@ const openFirstRunSetupWindowHandler = createOpenFirstRunSetupWindowHandler({
     }
     if (submission.action === 'configure-mpv-executable-path') {
       const mpvExecutablePath = submission.mpvExecutablePath?.trim() ?? '';
+      const pathStatus = getConfiguredWindowsMpvPathStatus(mpvExecutablePath);
       configService.patchRawConfig({
         mpv: {
           executablePath: mpvExecutablePath,
         },
       });
-      firstRunSetupMessage = mpvExecutablePath
-        ? `Saved mpv executable path: ${mpvExecutablePath}`
-        : 'Cleared mpv executable path. SubMiner will auto-discover mpv.exe from PATH.';
+      firstRunSetupMessage =
+        pathStatus === 'invalid'
+          ? `Saved mpv executable path, but the file was not found: ${mpvExecutablePath}`
+          : mpvExecutablePath
+            ? `Saved mpv executable path: ${mpvExecutablePath}`
+            : 'Cleared mpv executable path. SubMiner will auto-discover mpv.exe from SUBMINER_MPV_PATH or PATH.';
       return;
     }
     if (submission.action === 'configure-windows-mpv-shortcuts') {

src/main/runtime/first-run-setup-window.test.ts

@@ -61,6 +61,7 @@ test('buildFirstRunSetupHtml switches plugin action to reinstall when already in
   assert.match(html, /Reinstall mpv plugin/);
   assert.match(html, /mpv executable path/);
   assert.match(html, /Leave blank to auto-discover mpv\.exe from PATH\./);
+  assert.match(html, /aria-label="Path to mpv\.exe"/);
   assert.match(
     html,
     /Finish stays unlocked once the mpv plugin is installed and Yomitan reports at least one installed dictionary\./,

src/main/runtime/first-run-setup-window.ts

@@ -130,6 +130,7 @@ export function buildFirstRunSetupHtml(model: FirstRunSetupHtmlModel): string {
         <input
           id="mpv-executable-path"
           type="text"
+          aria-label="Path to mpv.exe"
           value="${escapeHtml(model.mpvExecutablePath)}"
           placeholder="C:\\Program Files\\mpv\\mpv.exe"
         />

src/main/runtime/windows-mpv-launch.test.ts

@@ -134,6 +134,34 @@ test('buildWindowsMpvLaunchArgs mirrors a custom input-ipc-server into script op
   );
 });
 
+test('buildWindowsMpvLaunchArgs includes socket script opts when plugin entrypoint is present without binary path', () => {
+  assert.deepEqual(
+    buildWindowsMpvLaunchArgs(
+      ['C:\\video.mkv'],
+      ['--input-ipc-server', '\\\\.\\pipe\\custom-subminer-socket'],
+      undefined,
+      'C:\\Program Files\\SubMiner\\resources\\plugin\\subminer\\main.lua',
+    ),
+    [
+      '--player-operation-mode=pseudo-gui',
+      '--force-window=immediate',
+      '--script=C:\\Program Files\\SubMiner\\resources\\plugin\\subminer\\main.lua',
+      '--input-ipc-server=\\\\.\\pipe\\custom-subminer-socket',
+      '--alang=ja,jp,jpn,japanese,en,eng,english,enus,en-us',
+      '--slang=ja,jp,jpn,japanese,en,eng,english,enus,en-us',
+      '--sub-auto=fuzzy',
+      '--sub-file-paths=subs;subtitles',
+      '--sid=auto',
+      '--secondary-sid=auto',
+      '--secondary-sub-visibility=no',
+      '--script-opts=subminer-socket_path=\\\\.\\pipe\\custom-subminer-socket',
+      '--input-ipc-server',
+      '\\\\.\\pipe\\custom-subminer-socket',
+      'C:\\video.mkv',
+    ],
+  );
+});
+
 test('launchWindowsMpv reports missing mpv path', async () => {
   const errors: string[] = [];
   const result = await launchWindowsMpv(

src/main/runtime/windows-mpv-launch.ts

@@ -96,14 +96,17 @@ export function buildWindowsMpvLaunchArgs(
   const launchIdle = targets.length === 0;
   const inputIpcServer =
     readExtraArgValue(extraArgs, '--input-ipc-server') ?? DEFAULT_WINDOWS_MPV_SOCKET;
-  const scriptOpts =
-    typeof binaryPath === 'string' && binaryPath.trim().length > 0
-      ? `--script-opts=subminer-binary_path=${binaryPath.trim().replace(/,/g, '\\,')},subminer-socket_path=${inputIpcServer.replace(/,/g, '\\,')}`
-      : null;
   const scriptEntrypoint =
     typeof pluginEntrypointPath === 'string' && pluginEntrypointPath.trim().length > 0
       ? `--script=${pluginEntrypointPath.trim()}`
       : null;
+  const scriptOptPairs = scriptEntrypoint
+    ? [`subminer-socket_path=${inputIpcServer.replace(/,/g, '\\,')}`]
+    : [];
+  if (scriptEntrypoint && typeof binaryPath === 'string' && binaryPath.trim().length > 0) {
+    scriptOptPairs.unshift(`subminer-binary_path=${binaryPath.trim().replace(/,/g, '\\,')}`);
+  }
+  const scriptOpts = scriptOptPairs.length > 0 ? `--script-opts=${scriptOptPairs.join(',')}` : null;
 
   return [
     '--player-operation-mode=pseudo-gui',