docs: module dossier + install/quickstart sync for truthful cutover sprints

- API_CLI_REFERENCE.md, INSTALL_GUIDE.md, quickstart.md, architecture/integrations.md, dev/DEV_ENVIRONMENT_SETUP.md, integrations/LOCAL_SERVICES.md: reflect real-service wiring.
- docs/modules/**: module dossier updates across the modules touched by SPRINT_20260415_001..007 + SPRINT_20260416_003..017 + SPRINT_20260417_018..024 + SPRINT_20260418_025 + SPRINT_20260419_026.
- docs/features/checked/web/**: update feature notes where UI changed.
- docs/qa/feature-checks/runs/web/evidence-presentation-ux/: QA evidence artifacts.
- docs/setup/**, docs/technical/**: align with setup wizard contracts.

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

docs/modules/graph/implementation_plan.md

@@ -8,7 +8,7 @@ Provide a living plan for Graph deliverables, dependencies, and evidence.
 - Update this file when new scoped work is approved.
 
 ## Near-term deliverables
-- TBD (add when sprint is staffed).
+- `docs/implplan/SPRINT_20260416_003_Graph_graph_api_truthful_runtime_cutover.md` - completed live runtime cleanup for Graph API host fallbacks and fabricated overlay/export/edge-metadata services.
 
 ## Dependencies
 - `docs/modules/graph/architecture.md`
@@ -22,3 +22,4 @@ Provide a living plan for Graph deliverables, dependencies, and evidence.
 
 ## Notes
 - Keep deterministic and offline-first expectations aligned with module AGENTS.
+- `Testing` is now the only supported harness environment for in-memory Graph overlays/export/edge metadata. Non-testing hosts require Graph Postgres and return truthful `501` for unsupported live feature slices.