feat: rework mobile UI for Tool Workshop and Profile pages

- Rework ToolWorkshopMobileView to support full desktop functionality:
  definition type selection (Compose/Dockerfile/Manifest), manifest editor,
  conditional port, startup command, readiness probe, required variables,
  and validation feedback.
- Add ProfileMobileView and wire ProfilePage to render it on mobile.
- Update useToolWorkshop hook to return boolean success from submit.
- Add responsive CSS for mobile forms, edit views, and manifest editor.
- Update project maps.

Quality gates: npm run typecheck, npm run lint, npm test -- --run (87 passed)

Refs: openspec/changes/mobile-tool-profile-ui

apps/web/src/components/features/profile/.pi-map.index.md

@@ -0,0 +1,20 @@
+# apps/web/src/components/features/profile (index)
+dir: apps/web/src/components/features/profile
+
+## role
+Provides a mobile-specific UI for users to view and edit their profile information.
+## parent
+index: apps/web/src/components/features/.pi-map.index.md
+map: apps/web/src/components/features/.pi-map.md
+## children
+-
+## files
+- ProfileMobileView.tsx
+## links
+index: apps/web/src/components/features/profile/.pi-map.index.md
+map: apps/web/src/components/features/profile/.pi-map.md
+## workflows
+- change profile behavior
+  read: ProfileMobileView.tsx
+## dirty
+-