task runner: subtitle_edit input type for the subtitle editor

renders each subtitle as a keep checkbox + editable label field, seeded from the
file's current tracks. reuses the existing probe / folder-grouping / include
plumbing, so it works on a single file or a whole season.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerModal.tsx

@@ -270,6 +270,19 @@ type TaskInputFormProps = {
 const trackLabel = (t: { title: string; lang: string; id: number }) =>
   t.title || (t.lang && t.lang !== 'und' && t.lang !== 'unknown' ? t.lang.toUpperCase() : '') || `Track ${t.id + 1}`;
 
+// subtitle_edit input: per-subtitle keep flag + editable label, serialized to JSON in the form value.
+type SubtitleEditEntry = { id: number; keep: boolean; label: string };
+
+const parseSubtitleSpec = (raw?: string): SubtitleEditEntry[] => {
+  if (!raw) return [];
+  try {
+    const parsed = JSON.parse(raw);
+    return Array.isArray(parsed) ? parsed : [];
+  } catch {
+    return [];
+  }
+};
+
 const TaskInputForm = ({ inputDefs, values, onChange, autoFilledKeys, audioTracks, subtitleTracks, probing, entryType }: TaskInputFormProps) => {
   const configurableInputs = Object.entries(inputDefs).filter(([key]) => !autoFilledKeys.has(key));
   if (configurableInputs.length === 0) return null;
@@ -277,6 +290,58 @@ const TaskInputForm = ({ inputDefs, values, onChange, autoFilledKeys, audioTrack
   return (
     <div className="px-5 py-3 border-b border-duck-dark/10 flex flex-col gap-3">
       {configurableInputs.map(([key, def]) => {
+        if (def.type === 'subtitle_edit') {
+          const tracks = subtitleTracks ?? [];
+          const byId = new Map(parseSubtitleSpec(values[key]).map((e) => [e.id, e]));
+          const entryFor = (t: SubtitleTrack): SubtitleEditEntry => byId.get(t.id) ?? { id: t.id, keep: true, label: trackLabel(t) };
+          const update = (id: number, patch: Partial<SubtitleEditEntry>) =>
+            onChange(key, JSON.stringify(tracks.map((t) => (t.id === id ? { ...entryFor(t), ...patch } : entryFor(t)))));
+          const keptCount = tracks.filter((t) => entryFor(t).keep).length;
+          return (
+            <div key={key} className="flex flex-col gap-1.5">
+              <span className="text-sm font-medium text-duck-dark dark:text-foreground">{def.description ?? key}</span>
+              {probing ? (
+                <span className="flex items-center gap-1.5 text-xs text-duck-dark/50 dark:text-foreground/50">
+                  <Loader2 className="h-3 w-3 animate-spin" /> {entryType === 'directory' ? 'Analyzing files…' : 'Probing…'}
+                </span>
+              ) : tracks.length === 0 ? (
+                <span className="text-xs text-duck-dark/50 dark:text-foreground/50">No subtitles</span>
+              ) : (
+                <>
+                  <div className="flex flex-col gap-1 max-h-72 overflow-y-auto pr-1">
+                    {tracks.map((t) => {
+                      const e = entryFor(t);
+                      return (
+                        <div key={t.id} className="flex items-center gap-2">
+                          <input
+                            type="checkbox"
+                            checked={e.keep}
+                            onChange={() => update(t.id, { keep: !e.keep })}
+                            className="accent-duck-teal cursor-pointer shrink-0"
+                          />
+                          <span className="text-[10px] font-mono uppercase w-9 shrink-0 text-duck-dark/40 dark:text-foreground/40">
+                            {t.lang || 'und'}
+                          </span>
+                          <input
+                            type="text"
+                            value={e.label}
+                            disabled={!e.keep}
+                            onChange={(ev) => update(t.id, { label: ev.target.value })}
+                            className="flex-1 min-w-0 px-2 py-1 text-sm rounded-md border border-duck-dark/15 dark:border-foreground/15 bg-background focus:outline-none focus:ring-1 focus:ring-duck-teal disabled:opacity-40"
+                          />
+                        </div>
+                      );
+                    })}
+                  </div>
+                  <span className="text-xs text-duck-dark/40 dark:text-foreground/40">
+                    Keeping {keptCount} of {tracks.length}
+                  </span>
+                </>
+              )}
+            </div>
+          );
+        }
+
         if (def.type === 'audio_tracks' || def.type === 'subtitle_tracks') {
           const isAudio = def.type === 'audio_tracks';
           const tracks = (isAudio ? audioTracks : subtitleTracks) ?? [];
@@ -470,7 +535,7 @@ const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePa
       // Track pickers: audio defaults to keep-all, subtitles to keep-none. A folder probes every
       // video and drives the pickers off the largest matching group (the rest convert separately).
       const hasTrackPickers = Object.values(defs).some(
-        (d) => d.type === 'audio_tracks' || d.type === 'subtitle_tracks',
+        (d) => d.type === 'audio_tracks' || d.type === 'subtitle_tracks' || d.type === 'subtitle_edit',
       );
       if (!hasTrackPickers || !filePath) return;
 
@@ -482,6 +547,8 @@ const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePa
           for (const [key, def] of Object.entries(defs)) {
             if (def.type === 'audio_tracks') next[key] = aud.map((t) => t.id).join(',') || 'none';
             if (def.type === 'subtitle_tracks') next[key] = 'none';
+            if (def.type === 'subtitle_edit')
+              next[key] = JSON.stringify(sub.map((t) => ({ id: t.id, keep: true, label: trackLabel(t) })));
           }
           return next;
         });