docs(14-01): complete database foundation plan

- Created 14-01-SUMMARY.md with execution results
- Updated STATE.md with plan progress and decisions
- Updated ROADMAP.md progress table (1/6 plans)
- Marked DB-01 and DB-03 requirements complete

.planning/STATE.md

@@ -26,19 +26,19 @@ 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: 1 of 6 in current phase
+Status: Executing
+Last activity: 2026-04-04 — Completed 14-01 (Database Foundation)
 
-Progress: [----------] 0% (v2.0 milestone)
+Progress: [=---------] 3% (v2.0 milestone)
 
 ## Performance Metrics
 
 **Velocity:**
 
-- Total plans completed: 0 (v2.0 milestone)
-- Average duration: --
-- Total execution time: --
+- Total plans completed: 1 (v2.0 milestone)
+- Average duration: 3min
+- Total execution time: 3min
 
 *Updated after each plan completion*
 
@@ -55,6 +55,12 @@ Key decisions made during v2.0 planning:
 - Separate globalItems table — not a flag on user items table
 - Single-user SQLite mode diverges at v2.0 boundary
 
+Key decisions made during Phase 14 execution:
+
+- postgres.js driver (not node-postgres) for PostgreSQL connection
+- PGlite for in-memory test databases replacing bun:sqlite
+- Separate drizzle-pg/ migration directory from old drizzle/
+
 ### Pending Todos
 
 None active.
@@ -66,6 +72,6 @@ None active.
 
 ## Session Continuity
 
-Last session: 2026-04-04T10:12:41.532Z
-Stopped at: Phase 14 plans created (6 plans, 3 waves)
-Resume file: .planning/phases/14-postgresql-migration/14-01-PLAN.md
+Last session: 2026-04-04T10:19:11Z
+Stopped at: Completed 14-01-PLAN.md (Database Foundation)
+Resume file: .planning/phases/14-postgresql-migration/14-02-PLAN.md