feat(T12): Phase 1 gate — docs, SCOPE update, all tasks done

- docs/phase1-summary.md: what was built, known limitations, Phase 2 readiness
- SCOPE.md: current state updated to Phase 1 complete
- All 12 workplan tasks marked done; workplan status set to done

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

workplans/IHUB-WP-0001-ihf-phase1-minimal-interaction-core.md

@@ -4,7 +4,7 @@ type: workplan
 title: "IHF Phase 1 — Minimal Interaction Core"
 domain: custodian
 repo: inter-hub
-status: active
+status: done
 owner: custodian
 topic_slug: custodian
 created: "2026-03-27"
@@ -173,7 +173,7 @@ CREATE INDEX annotations_widget_id_idx ON annotations (widget_id);
 
 ```task
 id: IHUB-WP-0001-T04
-status: todo
+status: done
 priority: high
 state_hub_task_id: "20517418-85c9-4335-a445-dbbf99a81ae5"
 ```
@@ -193,7 +193,7 @@ Scaffold Hub management:
 
 ```task
 id: IHUB-WP-0001-T05
-status: todo
+status: done
 priority: high
 state_hub_task_id: "262bfdb0-896c-4873-981f-36ea865b5dfe"
 ```
@@ -216,7 +216,7 @@ Scaffold Widget management:
 
 ```task
 id: IHUB-WP-0001-T06
-status: todo
+status: done
 priority: high
 state_hub_task_id: "3a48509e-9014-43d1-a244-21d7c322d8cc"
 ```
@@ -238,7 +238,7 @@ Implement interaction event capture:
 
 ```task
 id: IHUB-WP-0001-T07
-status: todo
+status: done
 priority: high
 state_hub_task_id: "1cc61933-46cd-46d1-b79a-05a8b40cd23b"
 ```
@@ -261,7 +261,7 @@ Implement annotation CRUD:
 
 ```task
 id: IHUB-WP-0001-T08
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "d2dfbdf6-fe66-4478-afeb-7ea3f05bea2b"
 ```
@@ -303,7 +303,7 @@ widgetEnvelope widget inner = [hsx|
 
 ```task
 id: IHUB-WP-0001-T09
-status: todo
+status: done
 priority: high
 state_hub_task_id: "b0ca9f93-cd64-421f-a426-999f35db148f"
 ```
@@ -327,7 +327,7 @@ Implement the live hub operator dashboard:
 
 ```task
 id: IHUB-WP-0001-T10
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "8ef87232-cb0d-4948-9bca-849048dd82c2"
 ```
@@ -349,7 +349,7 @@ Wire up IHP session auth for the admin/governance users:
 
 ```task
 id: IHUB-WP-0001-T11
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "b342d44c-ca41-4373-a55d-c7dcc5121f4a"
 ```
@@ -373,7 +373,7 @@ This is the Phase 1 terminal traceability view: Widget → InteractionEvents + A
 
 ```task
 id: IHUB-WP-0001-T12
-status: todo
+status: done
 priority: high
 state_hub_task_id: "ae5a8713-27ba-445b-a29f-822b5d0acf5a"
 ```