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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "houseplan-card",
-  "version": "1.79.0",
+  "version": "1.80.0-beta.1",
   "description": "Interactive house plan Lovelace card for Home Assistant",
   "license": "MIT",
   "type": "module",