Merge branch 'main' into feature/catalonia-cctv-cameras

docs/CURRENT-STATE.md

@@ -997,6 +997,22 @@ By default all ~336 cameras load, nearest downtown first.
 `CCTV_TORONTO_ENABLED=0` turns the pack off. The pack shares the 4,000
 catalog-wide ceiling round-robin with the other packs.
 
+## Lithuania CCTV source pack
+
+The CCTV catalog can include Via Lietuva / Eismoinfo road cameras. The pack is
+off unless `CCTV_LITHUANIA_ENABLED=1`, because its camera endpoints are the
+eismoinfo.lt website backend rather than a service listed in Via Lietuva's
+open-data statement, so the licence for the photos is unconfirmed.
+Two keyless public endpoints provide current snapshot URLs and WGS84 camera
+locations; records are joined by ID, with invalid coordinates and off-origin
+image URLs rejected. Catalog requests refuse redirects, have a 15-second
+deadline and a 4 MiB response cap, and use the existing shared 15-minute cache
+and fair catalog allocation. An unavailable source contributes an empty pack.
+Frames use the registered-image proxy and retain Via Lietuva attribution.
+The images are periodically updated road-condition photographs, not continuous
+video; camera poses use the existing low-confidence heading prior.
+`CCTV_LITHUANIA_MAX_SOURCES` sets its cap (default 400, bounded to 1–1000).
+
 ## DriveBC CCTV source pack
 
 The CCTV catalog adds DriveBC highway cameras for British Columbia alongside the