docs(01): create phase 1 foundation plans

Phase 01: Foundation
- 2 plans in 2 waves
- Wave 1: Project setup with SvelteKit + Drizzle schema
- Wave 2: Repository layer + verification page
- Ready for execution

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.planning/ROADMAP.md

@@ -31,12 +31,11 @@ Decimal phases appear between their surrounding integers in numeric order.
   3. Repository layer provides typed CRUD operations for entries
   4. Filesystem storage directory structure exists for future images
   5. Development server starts and serves a basic page
-**Plans**: TBD
+**Plans**: 2 plans
 
 Plans:
-- [ ] 01-01: TBD
-- [ ] 01-02: TBD
-- [ ] 01-03: TBD
+- [ ] 01-01-PLAN.md — SvelteKit project setup with Drizzle schema and unified entries table
+- [ ] 01-02-PLAN.md — Repository layer with typed CRUD and verification page
 
 ### Phase 2: Core CRUD
 **Goal**: Users can create, manage, and view entries with a responsive, accessible UI
@@ -135,7 +134,7 @@ Phases execute in numeric order: 1 -> 2 -> 3 -> 4 -> 5 -> 6
 
 | Phase | Plans Complete | Status | Completed |
 |-------|----------------|--------|-----------|
-| 1. Foundation | 0/3 | Not started | - |
+| 1. Foundation | 0/2 | Planned | - |
 | 2. Core CRUD | 0/4 | Not started | - |
 | 3. Images | 0/3 | Not started | - |
 | 4. Tags & Organization | 0/3 | Not started | - |