docs(14-05): complete SQLite-to-Postgres migration script plan

- SUMMARY.md with execution results
- STATE.md updated with plan 05 completion
- ROADMAP.md updated with phase 14 progress
- DB-04 requirement marked complete

.planning/STATE.md

@@ -2,10 +2,10 @@
 gsd_state_version: 1.0
 milestone: v2.0
 milestone_name: Platform Foundation
-status: planning
-stopped_at: null
-last_updated: "2026-04-03"
-last_activity: 2026-04-03 — v2.0 roadmap created (Phases 14-18)
+status: executing
+stopped_at: Completed 14-05-PLAN.md
+last_updated: "2026-04-04T10:28:29Z"
+last_activity: 2026-04-04 — Completed 14-05 SQLite-to-Postgres migration script
 progress:
   total_phases: 5
   completed_phases: 0
@@ -26,9 +26,9 @@ See: .planning/PROJECT.md (updated 2026-04-03)
 ## Current Position
 
 Phase: 14 of 18 (PostgreSQL Migration)
-Plan: 0 of ? in current phase
-Status: Ready to plan
-Last activity: 2026-04-03 — v2.0 roadmap created (Phases 14-18)
+Plan: 5 of 6 in current phase
+Status: Executing
+Last activity: 2026-04-04 — Completed 14-05 SQLite-to-Postgres migration script
 
 Progress: [----------] 0% (v2.0 milestone)
 
@@ -45,7 +45,9 @@ Progress: [----------] 0% (v2.0 milestone)
 
 ### Decisions
 
-Key decisions made during v2.0 planning:
+Key decisions made during v2.0 execution:
+- [14-05] Used postgres.js unsafe() for sequence reset DDL instead of drizzle-orm sql template
+- [14-05] Row-by-row inserts for better error diagnostics during migration
 - Platform pivot: single-user to multi-user with discovery-first approach
 - External auth provider (self-hosted, open-source) — Logto vs Authentik OPEN decision
 - SQLite to Postgres migration — required by auth provider and multi-user concurrency
@@ -64,6 +66,6 @@ None active.
 
 ## Session Continuity
 
-Last session: 2026-04-03
-Stopped at: v2.0 roadmap created with 5 phases (14-18) covering 30 requirements
+Last session: 2026-04-04T10:28:29Z
+Stopped at: Completed 14-05-PLAN.md
 Resume file: None