fix(3347): clear CI gates raised by initial commit

- docs/CONFIGURATION.md: document graphify.auto_update key (config-schema-docs-parity)
- hooks/gsd-check-update-worker.js: add gsd-graphify-update.sh to MANAGED_HOOKS (managed-hooks)
- agents/gsd-planner.md + gsd-phase-researcher.md: slim auto-update awareness block to
  a one-line @-reference; extract full instructions to a new reference file
- get-shit-done/references/planner-graphify-auto-update.md: new reference with the
  status-file schema, the four annotation cases (running/failed/ok-current/ok-stale),
  and interaction with the existing stale-mtime annotation
- docs/INVENTORY.md: References (60 → 61 shipped) + row for new reference; regenerate
  docs/INVENTORY-MANIFEST.json via gen-inventory-manifest.cjs

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docs/INVENTORY.md

@@ -262,7 +262,7 @@ Full roster at `get-shit-done/workflows/*.md`. Workflows are thin orchestrators
 
 ---
 
-## References (60 shipped)
+## References (61 shipped)
 
 Full roster at `get-shit-done/references/*.md`. References are shared knowledge documents that workflows and agents `@-reference`. The groupings below match [`docs/ARCHITECTURE.md`](ARCHITECTURE.md#references-get-shit-donereferencesmd) — core, workflow, thinking-model clusters, and the modular planner decomposition.
 
@@ -352,6 +352,7 @@ The `gsd-planner` agent is decomposed into a core agent plus reference modules t
 | `planner-source-audit.md` | Planner source-audit and authority-limit rules. |
 | `planner-mvp-mode.md` | Vertical-slice planning rules for MVP mode. |
 | `planner-human-verify-mode.md` | Rules for `workflow.human_verify_mode = end-of-phase`: suppress `checkpoint:human-verify` task emission and route deferred items via `<verify><human-check>`. |
+| `planner-graphify-auto-update.md` | How `load_graph_context` surfaces `.last-build-status.json` auto-update state (running / failed / stale head) alongside the existing staleness annotation. Opt-in via `graphify.auto_update` (#3347). |
 | `skeleton-template.md` | SKELETON.md template emitted for new-project Walking Skeleton (Phase 1 + `--mvp`). |
 | `user-story-template.md` | User story format for MVP planning — "As a / I want to / So that" structured fields. |
 | `spidr-splitting.md` | SPIDR splitting decomposition rules for handling large user stories in MVP mode. |