milestone(editor): commit #100 — v0.3.0, 9.1k lines, complete world editor

Wowee World Editor milestone: 100 commits, 9,067 lines, 39 files.

Complete standalone zone creation tool with:
- 6 editor modes (Sculpt/Paint/Objects/Water/NPCs/Quests)
- 30+ terrain tools: noise (value + voronoi), hill, valley, mesa,
  crater, canyon, island, ridge, river, road, terrace, thermal erosion,
  stamp/clone, mirror, flatten platform, holes, smooth beaches,
  edge ramp, height scale/clamp/offset/invert/reset
- 6 brush modes: raise/lower/smooth/flatten/level/erode
- Auto-paint by height bands and slope
- 1285 tileset textures, 11k M2 models, 2k WMO buildings
- 631 NPC creature presets with stats/behavior/patrol paths
- Quest editor with objectives, rewards, and NPC linking
- Full export: zone.json + WDT + ADT + objects/creatures/quests JSON
- Map browser with tile availability checker
- Minimap with height/objects/NPCs/camera/brush/holes
- One-click Generate Complete Zone pipeline
- Persistent layout, auto-save, camera bookmarks, toast notifications

tools/editor/editor_ui.cpp

@@ -225,7 +225,7 @@ void EditorUI::renderMenuBar(EditorApp& app) {
             ImGui::Text("Wowee World Editor");
             ImGui::Text("by Kelsi Davis");
             ImGui::Separator();
-            ImGui::Text("Version: 0.2.0");
+            ImGui::Text("Version: 0.3.0 (100 commits)");
             ImGui::Text("Standalone world editor for creating");
             ImGui::Text("custom WoW zones for the wowee client.");
             ImGui::Separator();