docs: record the Lab offer wizard

AGENTS.md

@@ -143,6 +143,17 @@ session with **no other memory of this project**. So:
     profiles now live at **`/lab/<craft>/<pubkey>/<id>`** (`lib/labRoutes.ts`
     builds it; `/coach/...` still resolves). The bespoke pages have inline contact
     errors but not the scroll-to behavior (yet).
+  - **Lab offer wizard (2026-10-04, part 3):** the long offer forms are now
+    multi-step. **`components/FormWizard.tsx`** (`FormWizard` + `WizardStep`) is a
+    controlled step shell — non-active steps are hidden with `display:none`, not
+    unmounted, so stateful children (`LabExtrasFields`) keep their values; the
+    form owns the step so it can jump to the offending step on a validation
+    failure. Applied to `CraftProfileForm` (8 crafts, 5 steps: Identity / What
+    you offer / Rates / Contact / Media) and the coach page (5 steps); the
+    footer renders Back/Next/Submit + a Preview button. The **4 bespoke pages
+    keep the one-scroll + progress bar** (their sections have no reliable
+    boundaries to split) and now **scroll to their contact error** on a failed
+    submit. A bespoke-page wizard is the remaining optional item.
   - **Photos**: `PhotoDropzone` (`src/components/PhotoDropzone.tsx`) is the shared
     image input — **drag & drop + multi-select**, emits `File[]` to its caller
     (which owns uploads/toasts). Used by `CreateSpotPage`, `EditSpotPage` and