Release 0.9.4 NPC visual optimization

MEMORY.md

@@ -151,16 +151,17 @@ Session memory for durable decisions, state, and gotchas. Keep concise, remove o
   states and font colours for the dark session/UI shell. Use `UiStyles.apply_button()`
   for every new `Button`; CheckButton/OptionButton keep the engine theme. Timeline
   Previous/Next disable at the ends; F1 tutorial skip is keyboard-only by design.
-- **Version and roadmap renumber (2026-11-02):** source is now **0.9.3**; the
+- **Version and roadmap renumber (2026-11-02):** source was **0.9.3** at the UI
+  polish milestone, now **0.9.4** after the NPC pass; the
   completed map/NPC work and UI polish are the patch content. Next work is
   **0.9.4 NPC**, **0.9.5 textures**, **0.9.6 integration**, then the **0.10.0**
   minor release candidate. `TODO.md` plans only 0.x patch/minor increments; no
-  major-version scope is defined yet. No release build or tag has been produced
-  for 0.9.3.
-- **Priority change (2026-11-02):** the map optimization, pre-build NPC revisit and
-  0.9.3 UI polish are complete and in `DONE.md`. The 0.9.4 NPC detail, 0.9.5
-  textures and 0.9.6 integration/0.10.0 release work are next. The current source
-  version is 0.9.3; no release build or tag has been produced.
+  major-version scope is defined yet. The v0.9.4 tag is the release trigger; no
+  tag was created for 0.9.3.
+- **Priority change (2026-11-02):** the map optimization, pre-build NPC revisit,
+  0.9.3 UI polish and 0.9.4 NPC visual optimization are complete and in `DONE.md`.
+  0.9.5 textures and 0.9.6 integration/0.10.0 release work are next. The current
+  source version is 0.9.4; the v0.9.4 tag triggers the CI build.
 - **Hollywood landmark map (2026-11-02):** the default venue is the real El Capitan
   Entertainment Centre block at 6840 Hollywood Blvd, not a generic brick entrance. Its
   reference/mapping notes live in `docs/hollywood-boulevard-map.md`; the map-budget test
@@ -821,7 +822,7 @@ Session memory for durable decisions, state, and gotchas. Keep concise, remove o
 
 `PLAN.md` describes intended design; `README.md` and `DONE.md` describe what shipped. As of
 2026-11-02 the playable build covers the three venues, tutorials/campaign/checkpoints, the 0.9.3
-UI/accessibility pass, and the Blender + realism asset pipeline. `TODO.md` holds the remaining
+UI/accessibility pass, the 0.9.4 NPC visual optimization, and the Blender + realism asset pipeline. `TODO.md` holds the remaining
 0.9.4–0.10.0 work. The project uses a custom headless runner, not GUT, and Gitea Actions, not
 GitHub Actions.