docs: wiki staleness sweep (Fable-orchestrated Opus audit)

Audited all 40 docs/ against the live codebase; fixed factual staleness in 23,
14 were clean. Highlights (all verified against code):
- equipment -> machines (ADR-011 rename) in INSTALL/DEPLOY-WINDOWS-IIS,
  PLUGIN-GUIDE, GE-ENFORCE, ROADMAP.
- Versions refreshed: contract 0.10.0 -> 0.13.0, product 0.5.0 -> 0.7.0, plus
  plugin example core_version pins.
- Bundled set corrected to the current 13 (PLUGINS.md 7 -> 13 rows; DEPLOY
  eleven -> thirteen).
- Per-plugin Alembic chain workflow (ADR-008) replacing stale core-chain steps
  in PLUGIN-QUICKSTART / BACKUP-RESTORE; deploy adds plugin upgrade-all.
- Frontend plugin staging (ADR-010) replacing 'no frontend plugin system yet'
  in PLUGIN-GUIDE; view/route paths repointed to plugins/<name>/frontend/.
- Corrected file paths (MapView.vue, manifest_schema.json), CLI (shelf-list),
  API gating (GET /api/plugins is optional-jwt), WJF 15 -> 16 stages, and
  retired Collector/PC-Types settings pages (ADR-012).
- ge-enforce proposal marked ACCEPTED/built.

docs/PLUGIN-HOOKS.md

@@ -487,7 +487,8 @@ What `shopdb.api` exposes:
 - Model bases: `BaseModel`, `AuditMixin`
 - Core models: `Asset`, `AssetType`, `AssetStatus`, `Vendor`, `Model`,
   `Communication`, `CommunicationType`, `Location`, `Setting`, `AuditLog`,
-  `Application`, `AppVersion`, `OperatingSystem`
+  `Application`, `AppVersion`, `OperatingSystem`, `AssetRelationship`,
+  `RelationshipType`
 - Responses: `success_response`, `error_response`, `paginated_response`,
   `ErrorCodes`
 - Pagination: `get_pagination_params`, `paginate_query`
@@ -501,6 +502,8 @@ What `shopdb.api` exposes:
 - Import mode: `apply_import_timestamps`, `import_mode_active`,
   `parse_import_datetime`
 - Legacy employee directory: `employee_connection`
+- CMMC USB check-in/out DB (read-write, used by the usb plugin):
+  `cmmc_usb_connection`
 - `User` / `Role` (0.13.0) - the account and role models, e.g. resolving
   alert recipients' emails from selected user ids or role membership
 - Mailer (0.12.0): `send_email(to, subject, html, text=None)` and