docs(03-04): complete Dockerfile SSR + legacy cleanup plan

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -3,15 +3,15 @@ gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
 status: executing
-stopped_at: Completed 03-03-PLAN.md
-last_updated: "2026-04-08T16:39:12.051Z"
+stopped_at: Completed 03-04-PLAN.md
+last_updated: "2026-04-08T16:41:35.206Z"
 last_activity: 2026-04-08 -- Phase 3 Plan 02 main pages executed
 progress:
   total_phases: 3
-  completed_phases: 2
+  completed_phases: 3
   total_plans: 9
-  completed_plans: 8
-  percent: 89
+  completed_plans: 9
+  percent: 100
 ---
 
 # Project State
@@ -58,6 +58,7 @@ Progress: [███████░░░] 78%
 | Phase 03-pages-ship P01 | 239 | 3 tasks | 17 files |
 | Phase 03-pages-ship P02 | 103s | 3 tasks | 3 files |
 | Phase 03 P03 | 129s | 3 tasks | 6 files |
+| Phase 03 P04 | 59s | 2 tasks | 169 files |
 
 ## Accumulated Context
 
@@ -76,6 +77,7 @@ Recent decisions affecting current work:
 - [Phase 02]: Renamed a11y.github to a11y.gitea to match actual Gitea hosting
 - [Phase 03-pages-ship]: HTML escaping added to nodemailer email body for XSS prevention
 - [Phase 03]: Fiverr page reuses homeFAQs; UIcon replaces raw SVG paths
+- [Phase 03]: Dockerfile uses node:22-alpine for both stages, no nginx
 
 ### Pending Todos
 
@@ -89,6 +91,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-04-08T16:39:12.049Z
-Stopped at: Completed 03-03-PLAN.md
+Last session: 2026-04-08T16:41:35.203Z
+Stopped at: Completed 03-04-PLAN.md
 Resume file: None