feat(artifacts): add a folder to the workspace (recursive import)

src-tauri/src/commands/system_apps.rs

@@ -103,15 +103,28 @@ pub fn workspace_import_files(
     let mut copied = Vec::new();
     for source in &source_paths {
         let source = Path::new(source);
-        if !source.is_file() {
-            return Err(format!("`{}` is not a regular file.", source.display()));
+        // Accept a regular file OR a directory (imported recursively). Anything
+        // else (missing path, socket, fifo, …) is rejected. Symlinked dirs the
+        // user explicitly picks are followed; symlinks *inside* a copied tree
+        // are skipped by the recursive copy (avoids loops / escaping the source).
+        let is_dir = source.is_dir();
+        if !is_dir && !source.is_file() {
+            return Err(format!(
+                "`{}` is not a regular file or directory.",
+                source.display()
+            ));
         }
         let name = source
             .file_name()
             .ok_or_else(|| format!("`{}` has no file name.", source.display()))?
             .to_string_lossy()
             .to_string();
-        let dest = copy_to_unique_destination(source, &dest_dir, &name)?;
+        // Reuse the hardened recursive copy from `commands::workspace` (folder
+        // copy skips symlinks + protected/heavy dirs like `.git`/`target`, and
+        // is collision-safe via the shared naming helper).
+        let dest = crate::commands::workspace::copy_artifact_to_unique_destination(
+            source, &dest_dir, &name, is_dir,
+        )?;
         copied.push(
             dest.file_name()
                 .map(|n| n.to_string_lossy().to_string())

src-tauri/src/commands/workspace.rs

@@ -2164,7 +2164,7 @@ fn resolve_copy_source(source_root: &Path, rel: &str) -> Result<(PathBuf, bool,
 /// Copy `source` (file or dir) into `dest_dir` under a collision-free name
 /// (`foo` → `foo (1)` → …). Files reuse the exclusive-create import helper;
 /// dirs are created exclusively then filled by [`copy_dir_recursive`].
-fn copy_artifact_to_unique_destination(
+pub(crate) fn copy_artifact_to_unique_destination(
     source: &Path,
     dest_dir: &Path,
     name: &str,

src/pages/Workspace.tsx

@@ -2092,6 +2092,27 @@ const Workspace = () => {
     }
   }, [workspaceId, loadSnapshot]);
 
+  // Folder picker is separate from the file picker because native OS dialogs
+  // can't select files and directories at once. Folders are imported
+  // recursively (the backend skips symlinks + protected dirs like .git/target).
+  const handleAddFolder = useCallback(async () => {
+    try {
+      const picked = await openFileDialog({
+        directory: true,
+        multiple: true,
+        title: 'Add folder to workspace',
+      });
+      const paths = (Array.isArray(picked) ? picked : picked ? [picked] : []).filter(
+        (p): p is string => typeof p === 'string'
+      );
+      if (paths.length === 0) return;
+      await importWorkspaceFiles(workspaceId, paths);
+      await loadSnapshot(false);
+    } catch (err) {
+      setError(errorMessage(err, 'Failed to add folder.'));
+    }
+  }, [workspaceId, loadSnapshot]);
+
   return (
     <div className={styles.workspacePage}>
       <WorkspaceHeader
@@ -2195,6 +2216,29 @@ const Workspace = () => {
                         <line x1="9" y1="15" x2="15" y2="15" />
                       </svg>
                     </button>
+                    <button
+                      type="button"
+                      className={styles.workspaceDrawerIconAction}
+                      onClick={handleAddFolder}
+                      title="Add a folder to the workspace (recursive)"
+                      aria-label="Add a folder to the workspace (recursive)"
+                    >
+                      <svg
+                        width="15"
+                        height="15"
+                        viewBox="0 0 24 24"
+                        fill="none"
+                        stroke="currentColor"
+                        strokeWidth="2"
+                        strokeLinecap="round"
+                        strokeLinejoin="round"
+                        aria-hidden="true"
+                      >
+                        <path d="M4 20h16a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.9a2 2 0 0 1-1.69-.9L9.6 3.9A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13c0 1.1.9 2 2 2Z" />
+                        <line x1="12" y1="10" x2="12" y2="16" />
+                        <line x1="9" y1="13" x2="15" y2="13" />
+                      </svg>
+                    </button>
                     <button
                       type="button"
                       className={styles.workspaceDrawerIconAction}