docs(phase-34): complete i18n foundation phase execution

.planning/ROADMAP.md

@@ -92,7 +92,7 @@
 
 - [ ] **Phase 32: Setup Sharing System** — Visibility toggle (private/link/public), link sharing, schema future-proofed for likes, friends, and collaborative editing
 - [x] **Phase 33: Currency System** — Multi-currency support (USD/EUR/GBP), price display per user preference (completed 2026-04-13)
-- [ ] **Phase 34: i18n Foundation** — Translation framework, string extraction, locale-aware formatting
+- [x] **Phase 34: i18n Foundation** — Translation framework, string extraction, locale-aware formatting (completed 2026-04-13)
 
 ## Phase Details
 
@@ -249,7 +249,7 @@ Plans:
 | 31. Mobile Polish | v2.2 | 2/2 | Complete    | 2026-04-12 |
 | 32. Setup Sharing System | v2.3 | 0/4 | Planned | — |
 | 33. Currency System | v2.3 | 6/6 | Complete    | 2026-04-13 |
-| 34. i18n Foundation | v2.3 | TBD | Pending | — |
+| 34. i18n Foundation | v2.3 | 0/5 | Complete    | 2026-04-13 |
 
 ## Backlog
 

.planning/STATE.md

@@ -4,7 +4,7 @@ milestone: v2.3
 milestone_name: Global & Social Ready
 status: executing
 stopped_at: Phase 34 context gathered
-last_updated: "2026-04-13T16:10:42.863Z"
+last_updated: "2026-04-13T16:24:18.387Z"
 last_activity: 2026-04-13
 progress:
   total_phases: 16
@@ -21,13 +21,13 @@ progress:
 See: .planning/PROJECT.md (updated 2026-04-09)
 
 **Core value:** Help people make better gear decisions — discover what others use, compare real-world data, and see how a potential buy affects your setup before committing.
-**Current focus:** Phase 33 — Currency System
+**Current focus:** Phase 34 — i18n Foundation
 
 ## Current Position
 
-Phase: 34
+Phase: 999.1
 Plan: Not started
-Status: Executing Phase 33
+Status: Executing Phase 34
 Last activity: 2026-04-13
 
 Progress: [░░░░░░░░░░] 0%