diff --git a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerDialog.tsx b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerDialog.tsx
index 7b5376c9..3c9711fd 100644
--- a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerDialog.tsx
+++ b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerDialog.tsx
@@ -10,6 +10,10 @@ export const TaskRunnerDialog = ({ fileBrowserManager }: TaskRunnerDialogProps)
 
   if (!runningTask) return null;
 
+  const entryAbs = getEntryAbsPath(runningTask.entry.name);
+  // Parent folder of the entry — the batch target when a multi-selection is run.
+  const folderFullPath = entryAbs.replace(/\/[^/]+$/, '');
+
   return (
     <TaskRunnerModal
       open
@@ -21,9 +25,11 @@ export const TaskRunnerDialog = ({ fileBrowserManager }: TaskRunnerDialogProps)
       }}
       task={runningTask.task}
       entryName={runningTask.entry.name}
-      entryFullPath={getEntryAbsPath(runningTask.entry.name)}
+      entryFullPath={entryAbs}
       entryType={runningTask.entry.type}
       cwd={{ root: 'home', path: currentPath.replace(/^\//, '') }}
+      selectedNames={runningTask.selectedNames}
+      folderFullPath={folderFullPath}
     />
   );
 };
diff --git a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerModal.tsx b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerModal.tsx
index b356cbd7..6be117b4 100644
--- a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerModal.tsx
+++ b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/components/TaskRunnerModal.tsx
@@ -502,9 +502,10 @@ type ScriptRunnerProps = {
   cwd?: string;
   entryType?: 'file' | 'directory';
   filePath?: string;
+  selectedNames?: string[];
 };
 
-const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePath }: ScriptRunnerProps) => {
+const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePath, selectedNames }: ScriptRunnerProps) => {
   const runner = useTaskRunner();
   const client = useClient();
   const files = useFilesAPI('home');
@@ -532,6 +533,10 @@ const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePa
       }
       setFormValues(initial);
 
+      // Multi-selection: scope the run to exactly the selected files. Even tasks without pickers
+      // (which return early below) need this so the batch only touches the selection.
+      if (selectedNames && selectedNames.length > 0) setIncludeFiles(selectedNames.join('\n'));
+
       // 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(
@@ -559,16 +564,38 @@ const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePa
         files
           .probeFolder(filePath)
           .then((probe: FolderProbe) => {
-            const majority = probe.groups[0];
+            // Restrict grouping to the selection when this is a multi-selection run — a file matches
+            // if it's selected directly, or sits under a selected folder.
+            const sel = selectedNames && selectedNames.length > 0 ? new Set(selectedNames) : null;
+            const inSel = (f: string) => {
+              if (sel!.has(f)) return true;
+              let p = f;
+              for (let i = p.lastIndexOf('/'); i >= 0; i = p.lastIndexOf('/')) {
+                p = p.slice(0, i);
+                if (sel!.has(p)) return true;
+              }
+              return false;
+            };
+            const groups = sel
+              ? probe.groups
+                  .map((g) => ({ ...g, files: g.files.filter(inSel) }))
+                  .filter((g) => g.files.length > 0)
+                  .map((g) => ({ ...g, count: g.files.length }))
+                  .sort((a, b) => b.count - a.count)
+              : probe.groups;
+            const fileCount = sel ? groups.reduce((n, g) => n + g.files.length, 0) : probe.fileCount;
+
+            const majority = groups[0];
             if (!majority) {
-              setFolder({ fileCount: probe.fileCount, majorityCount: 0, skipped: [] });
+              setFolder({ fileCount, majorityCount: 0, skipped: [] });
               return;
             }
             seedTracks(majority.audioTracks, majority.subtitleTracks);
-            const skipped = probe.groups.slice(1).flatMap((g) => g.files);
-            setFolder({ fileCount: probe.fileCount, majorityCount: majority.count, skipped });
-            // Only pin the include list when some files are being left out; a uniform folder converts all.
-            setIncludeFiles(skipped.length > 0 ? majority.files.join('\n') : '');
+            const skipped = groups.slice(1).flatMap((g) => g.files);
+            setFolder({ fileCount, majorityCount: majority.count, skipped });
+            // Pin the include list when leaving files out — always, for a multi-selection (so it
+            // never spills onto unselected files), otherwise only on a mixed-layout folder.
+            setIncludeFiles(sel || skipped.length > 0 ? majority.files.join('\n') : '');
           })
           .catch(() => setFolder({ fileCount: 0, majorityCount: 0, skipped: [] }))
           .finally(() => setProbing(false));
@@ -619,6 +646,11 @@ const ScriptRunner = ({ taskDirName, autoInputs, context, cwd, entryType, filePa
   if (runner.phase === 'ready') {
     return (
       <div className="flex-1 flex flex-col">
+        {selectedNames && selectedNames.length > 1 && (
+          <div className="px-5 py-2 border-b border-duck-dark/10 text-sm text-duck-dark/70 dark:text-foreground/70">
+            Running on <span className="font-medium">{selectedNames.length}</span> selected items
+          </div>
+        )}
         {entryType === 'directory' && folder && !probing && <FolderSummary folder={folder} />}
         {inputDefs && (
           <TaskInputForm
@@ -1024,9 +1056,11 @@ type TaskRunnerModalProps = {
   promptOverride?: string;
   description?: string;
   sandboxed?: boolean;
+  selectedNames?: string[];
+  folderFullPath?: string;
 };
 
-export const TaskRunnerModal = ({ open, onOpenChange, task, entryName, entryFullPath, entryType, cwd = { path: '' }, promptOverride, description, sandboxed }: TaskRunnerModalProps) => {
+export const TaskRunnerModal = ({ open, onOpenChange, task, entryName, entryFullPath, entryType, cwd = { path: '' }, promptOverride, description, sandboxed, selectedNames, folderFullPath }: TaskRunnerModalProps) => {
   const navigate = useNavigate();
   const { settings } = useSettings();
   const taskSettings = settings.tasks;
@@ -1034,6 +1068,10 @@ export const TaskRunnerModal = ({ open, onOpenChange, task, entryName, entryFull
   const isScript = task.mode === 'script';
   const isPipeline = task.mode === 'pipeline';
 
+  // Multi-selection: run a script task on the whole current folder, scoped to the selected files.
+  const multi = isScript && (selectedNames?.length ?? 0) > 1;
+  const effectiveEntryType = multi ? 'directory' : entryType;
+
   // Agentic mode prompt (fallback if task has no body)
   const defaultInput = promptOverride
     ?? (entryRef && entryType
@@ -1051,7 +1089,8 @@ export const TaskRunnerModal = ({ open, onOpenChange, task, entryName, entryFull
 
   // Script mode: auto-filled inputs from context (e.g. file_path from file browser)
   const autoInputs: Record<string, string> = {};
-  if (entryFullPath) autoInputs.file_path = entryFullPath;
+  if (multi && folderFullPath) autoInputs.file_path = folderFullPath;
+  else if (entryFullPath) autoInputs.file_path = entryFullPath;
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
@@ -1093,8 +1132,9 @@ export const TaskRunnerModal = ({ open, onOpenChange, task, entryName, entryFull
               autoInputs={autoInputs}
               context={autofillContext}
               cwd={cwd.path || undefined}
-              entryType={entryType}
-              filePath={entryName ? (cwd.path ? `${cwd.path}/${entryName}` : entryName) : undefined}
+              entryType={effectiveEntryType}
+              filePath={multi ? cwd.path || undefined : entryName ? (cwd.path ? `${cwd.path}/${entryName}` : entryName) : undefined}
+              selectedNames={multi ? selectedNames : undefined}
             />
           ) : (
             <PiMonoInner
diff --git a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts
index 9428880d..0dd1493d 100644
--- a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts
+++ b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts
@@ -49,7 +49,7 @@ export const useFileBrowserApp = (
   const [cloneUrl, setCloneUrl] = useState('');
   const [cloning, setCloning] = useState(false);
   const [dragging, setDragging] = useState(false);
-  const [runningTask, setRunningTask] = useState<{ task: TaskSummary; entry: DirEntry } | null>(null);
+  const [runningTask, setRunningTask] = useState<{ task: TaskSummary; entry: DirEntry; selectedNames?: string[] } | null>(null);
   const [showVideoDownload, setShowVideoDownload] = useState(false);
   const [videoUrl, setVideoUrl] = useState('');
   const [audioOnly, setAudioOnly] = useState(false);
@@ -387,7 +387,13 @@ export const useFileBrowserApp = (
   };
 
   const handleRunTask = (task: TaskSummary, entry: DirEntry) => {
-    setRunningTask({ task, entry });
+    // When several items are selected and the task is run on one of them, run it on the whole
+    // selection (scoped via INPUT_INCLUDE — files match by path, folders by prefix).
+    const names =
+      selected.size > 1 && selected.has(entry.name)
+        ? visibleEntries.filter((e) => selected.has(e.name)).map((e) => e.name)
+        : [];
+    setRunningTask({ task, entry, selectedNames: names.length > 1 ? names : undefined });
   };
 
   const handleCreateDashboard = (entry: DirEntry) => {