release: v0.1.0 — changelog entry, TODO pruning, notices statuses

- CHANGELOG.md: full 0.1.0 entry (added/fixed/verified/known limitations).
- TODO.md: remove the completed 0.1.0 section (goal stays in ROADMAP.md);
  generalise the release-gate wording.
- ROADMAP.md: status at a glance updated for the release.
- Screenshots/README.md: record owner approval of the regenerated set.
- THIRD_PARTY_NOTICES.md: checkbox statuses, all tools verified (owner change).
- MEMORY.md: release record.

Screenshots/README.md

@@ -16,7 +16,7 @@ Rebuilds `Game/GigLine/Content/Test/ReviewMap.umap` from current content, runs t
 
 All shots ☑ approved 2026-11-07, including the block frontage pass that added the neighbouring buildings and corrected the hero and north-building placement.
 
-**2026-11-08 — regenerated set.** Re-rendered via `Tools/render_screenshots.sh` after the placement release check. The `demo-north-buildings` camera was re-pointed (it previously sat 9.5 km west and framed 85 % sky); that shot now shows both north buildings, and all maps carry the re-staged shot cameras. **Human approval of this regenerated set is pending** — tick the table once reviewed.
+**2026-11-08 — regenerated set.** Re-rendered via `Tools/render_screenshots.sh` after the placement release check. The `demo-north-buildings` camera was re-pointed (it previously sat 9.5 km west and framed 85 % sky); that shot now shows both north buildings, and all maps carry the re-staged shot cameras. **Approved 2026-11-08** (owner review of the regenerated set).
 
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