feat(P3): rename Workspaces tab to "Mapping" + keep binding_type on edit

The nav label/hint and the Apps-page link now read "Mapping" — the tab routes
apps to tools by folder OR id. Also fixes toInput() to carry binding_type so
editing an id mapping isn't re-validated as a filesystem path.

Signed-off-by: Mohammod Al Amin Ashik <maa.ashik00@gmail.com>

Author: its-mash

apps/desktop/src/features/clients/ClientsPage.tsx

@@ -281,7 +281,7 @@ export default function ClientsPage() {
                   onClick={() => navigateTo('workspaces')}
                   className="font-medium text-[rgb(var(--accent))] hover:underline"
                 >
-                  Workspaces
+                  Mapping
                 </button>{' '}
                 per folder, not per app.
               </>

apps/desktop/src/lib/api/workspaceBindings.ts

@@ -106,6 +106,8 @@ export function toInput(b: WorkspaceBinding): WorkspaceBindingInput {
     workspace_root: b.workspace_root,
     space_id: b.space_id,
     feature_set_ids: b.feature_set_ids,
+    // Preserve the type so editing an id mapping doesn't re-validate as a path.
+    binding_type: b.binding_type,
   };
 }
 

apps/desktop/src/lib/navigation.ts

@@ -93,10 +93,10 @@ export const NAV_ZONES: NavZone[] = [
       },
       {
         key: 'workspaces',
-        label: 'Workspaces',
+        label: 'Mapping',
         icon: FolderOpen,
         testId: 'nav-workspaces',
-        hint: 'Folder → tools mappings',
+        hint: 'Route apps to tools — by folder or id',
       },
       {
         key: 'featuresets',