Release v1.80.0-beta.1 candidate

Prepare the next beta from integrated dev: provider-confirmed Zigbee routes,
LED zoom optimization and on-core colour, plus test/process fixes.
Synchronize seven version fields, both changelogs, release notes, status,
generated bundles and measured ratchets. No new feature source in this commit.

Local checks: bundle:release PASS; 117 selected unit tests PASS;
smoke_zigbee_topology_hover (547 checks), smoke_led_strip_tube and
smoke_led_zoom_quality PASS; check-docs --screenshots=strict PASS;
release-contract v1.80.0-beta.1 PASS. Full exact-SHA CI required before tag.
Derived docs: run 37310388990, unchanged PNGs; fingerprint-only commit fd406acea.
Batch ship review for #767 remains required before publication.

Release: v1.80.0-beta.1
Issue: #767
Issue: #789
Issue: #790
Issue: #791
Issue: #793
Issue: #794
Issue: #795
Issue: #798
User-Visible: yes

test/core-file-budget.test.mjs

@@ -49,7 +49,7 @@ const CAPS = {
   // 2026-09-27, #676: +2 — вызов черновика лестницы в pointerdown сцены и
   // рамка лестницы в верхнем оверлее (выше тел стен). Всё остальное слоя —
   // жесты, рамка, магнит, диалог — живёт в stairs-editor.ts и stairs-box.ts.
-  'src/houseplan-card.ts': 12951,
+  'src/houseplan-card.ts': 12976,
   // #478 removed the persisted room-draft editor branch. Keep that reduction.
   // #485 keeps its large setup surface in editors/radar-section.ts; these are
   // only the dialog state/save seam and the thin lazy-render adapter.