Bump source to 0.9.2 and renumber the 0.x roadmap

- Set project.godot to 0.9.2 and add the matching changelog entry.
- Renumber the postponed work to 0.9.3 UI, 0.9.4 NPC, 0.9.5 textures and 0.9.6 integration, with 0.10.0 as the next minor release candidate.
- Remove the 1.0.0 milestone and post-1.0 planning; plan only 0.x patch/minor increments.
- Synchronize README, PLAN, architecture, status, memory and UI-copy version references.

DONE.md

@@ -1480,7 +1480,7 @@ and supported by a stable CI/release baseline.
 - [x] Decided to keep the 1.7 m gameplay camera (concept frames are art reference at ~1.55 m);
       documented the decision and retained the capture poses.
 - [x] Use the existing escalation/idle pose layers for warning/blocking/recognition/de-escalation;
-      explicit cinematic transition clips remain a post-1.0 enhancement.
+      explicit cinematic transition clips remain a post-0.10 enhancement.
 - [x] Reduced coat/dress stride amplitude and kept the hem readable in normal walking/blocking;
       full corrective shape keys remain deferred.
 - [x] Portrait/close-up pass completed with the fitted gear set and refreshed gallery captures.
@@ -1506,7 +1506,7 @@ and supported by a stable CI/release baseline.
 - [x] Tutorial/help/review/campaign strings are backed by the JSON table (Help control rows are
       generated from input bindings); remaining debug-only labels are not player-facing.
 - [x] String-table validation and layout-safe autowrap/scroll behavior cover the release UI;
-      a full pseudo-locale CI harness remains a post-1.0 localization expansion.
+      a full pseudo-locale CI harness remains a post-0.10 localization expansion.
 - [x] Existing UI uses the engine fallback font with arrows/punctuation verified in strings and
       help; a custom non-Latin font is deferred.
 - [x] `content/strings.en.json` remains the source; `Strings` validation and the docs ownership map