docs(17-02): complete scheduler + storage plan

- Add 17-02-SUMMARY.md with execution results
- Update STATE.md position and metrics
- Mark SCHED-01 complete in REQUIREMENTS.md

.planning/STATE.md

@@ -3,14 +3,14 @@ gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
 status: executing
-stopped_at: Completed 16-01-PLAN.md
-last_updated: "2026-04-06T13:48:35.313Z"
+stopped_at: Completed 17-02-PLAN.md
+last_updated: "2026-04-06T14:28:16.926Z"
 last_activity: 2026-04-06
 progress:
   total_phases: 18
   completed_phases: 14
   total_plans: 85
-  completed_plans: 83
+  completed_plans: 84
   percent: 20
 ---
 
@@ -26,8 +26,8 @@ See: .planning/PROJECT.md (updated 2026-04-04)
 ## Current Position
 
 Phase: 17
-Plan: Not started
-Status: Ready to execute
+Plan: 2 of 5
+Status: executing
 Last activity: 2026-04-06
 
 Progress: [██░░░░░░░░] 20%
@@ -100,6 +100,7 @@ Progress: [██░░░░░░░░] 20%
 | Phase 15 P01 | 3min | 2 tasks | 13 files |
 | Phase 15 P03 | 4min | 2 tasks | 11 files |
 | Phase 16 P01 | 4min | 2 tasks | 6 files |
+| Phase 17 P02 | 2min | 2 tasks | 8 files |
 
 ## Accumulated Context
 
@@ -152,6 +153,7 @@ Recent decisions affecting current work:
 - [Phase 16]: VT uses x-apikey header per official API v3 spec
 - [Phase 16]: IX uses three-step flow: POST search, GET results, GET file content
 - [Phase 16]: URLhaus tag lookup with payload endpoint fallback
+- [Phase 17]: Scheduler.ScanFunc callback decouples from engine; OnComplete bridges to notifications; disabled jobs stay in DB
 
 ### Pending Todos
 
@@ -166,6 +168,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-04-06T13:46:09.383Z
-Stopped at: Completed 16-01-PLAN.md
+Last session: 2026-04-06T14:28:16.922Z
+Stopped at: Completed 17-02-PLAN.md
 Resume file: None