docs: add phase 05 Multi-Wald-System to roadmap

.planning/ROADMAP.md

@@ -110,3 +110,13 @@ Phases execute in numeric order: 1 → 2 → 3 → 4
 | 2. Gemini-Integration + Asset-Pipeline | 5/5 | Complete | - |
 | 3. Komplettes Spielerlebnis | 5/5 | Complete | - |
 | 4. Polish + Audio | 0/4 | Planning complete | - |
+
+### Phase 5: Multi-Wald-System: Wald-Pagination und Navigation zwischen Wäldern
+
+**Goal:** [To be planned]
+**Requirements**: TBD
+**Depends on:** Phase 4
+**Plans:** 0 plans
+
+Plans:
+- [ ] TBD (run /gsd:plan-phase 5 to break down)

.planning/STATE.md

@@ -120,6 +120,10 @@ None yet.
 
 None yet.
 
+### Roadmap Evolution
+
+- Phase 5 added: Multi-Wald-System — Wald-Pagination und Navigation zwischen Wäldern
+
 ### Quick Tasks Completed
 
 | # | Description | Date | Commit | Directory |