feat: add schema drift handling and rebuild

.planning/milestones/v0.5/M3/roadmap.md

@@ -11,7 +11,8 @@ matching the reviewed ready set exists in the store. Create works with inference
 
 - Woo connection (WordPress application password) and taxonomy sync.
 - Review to the full ready set, with per-slab pricing and override.
-- Inference assist (Call 1 / Call 2), optional and never blocking create.
+- Inference assist (Call 1 / Call 2) is optional; create is independent of inference
+  (`METADATA-75`).
 - Publish: create the Woo product; `SLAB-UAT-*` always a draft.
 
 ## Sources of truth
@@ -23,8 +24,4 @@ matching the reviewed ready set exists in the store. Create works with inference
 
 ## Exit
 
-Per `docs/MILESTONES.md` and `docs/capabilities/CREATE.md` (QUALITY-110).
-
-## Note
-
-M3 implementation has not started. Decisions already ruled live in the contracts, not here.
+Per `docs/capabilities/CREATE.md` (`QUALITY-110`).