Make character development an unversioned TODO section

docs/npc-model-sourcing.md

@@ -183,7 +183,8 @@ output directory. All four audit clean and stay inside the character budget:
 
 They vary build, head silhouette, hair/beard and outer layer while keeping the
 existing face language. They are **not in the shipped catalogue**; production
-integration belongs to milestone 0.11.4 after the 0.10.0 release candidate.
+integration belongs to the roster/runtime work under the unversioned `Character
+development` section, after the current release candidate.
 
 Preview: [`blender_previews/sheet_npc_crowd_prototypes.jpg`](blender_previews/sheet_npc_crowd_prototypes.jpg).
 
@@ -209,7 +210,7 @@ The boundary for that future work is:
 - Only the final CC0-derived GLB and its provenance note are committed. The
   application code and any non-CC0 assets stay outside the repository.
 
-This is deferred; it is not part of the 0.11.0 crowd-variety work.
+This is deferred; it is not part of the current crowd-variety work.
 
 ## Provisional NPC roster
 
@@ -232,13 +233,13 @@ guests, trespassers and threats is the template.
 
 ## Implementation plan
 
-The actionable tasks live in `TODO.md` under milestone 0.11.0. The workstreams
+The actionable tasks live in `TODO.md` under the `Character development` section. The workstreams
 are:
 
 1. **Decision and licence gate.** Complete: ADR-0015, the CC0/CC-BY rule and the
    committed preview sheets.
 2. **Generator crowd variants.** Complete as a prototype (four specs, clean
-   audit, review sheet). Production integration is pending the 0.10.0 release.
+   audit, review sheet). Production integration is pending the current release candidate.
 3. **Quaternius intake.** The contract-retarget prototype is a no-go. Keep the
    source as a reference; a second-rig/animation path would need its own ADR.
 4. **Roster build and runtime.** Add the four approved specs to `CHARACTERS`,