Merge upstream main into pr/panoramax

Co-Authored-By: Claude Opus 5.5 <[email protected]>

CHANGELOG.md

@@ -36,18 +36,7 @@
 
 - Director timeline seeks cross the dateline along the short longitude arc.
 
-- Map state updates stop delivering to subscribers removed during the same notification.
-
-- Director assets cancelled during the final stream read are discarded with reader cleanup.
-
-- Analyst queries preserve useful rows when an upstream timestamp is outside the supported date range.
-
-- Fire detections with missing or impossible positions are skipped while genuine zero coordinates remain valid.
-
-- Frequently reused terrain batches retain their cached heights ahead of unused cells.
-
-- Recent Imagery’s exported `setBox` and `searchHls` reject missing, blank or
-  boolean programmatic box edges instead of interpreting them as zero coordinates.
+- Recent Imagery thumbnails require explicit presence evidence before reporting available pixels.
 
 - Treat explicitly current, complete empty vessel coverage as a successful update,
   clearing obsolete contacts while retaining stale or incomplete snapshots.
@@ -259,6 +248,15 @@
   largest cities) and `CCTV_VEGVESEN_VIDEO=0` keeps stills only. Attributed
   under NLOD 2.0.
 
+- Import your own GeoJSON, KML, KMZ and GPX files from DISPLAY or by dropping
+  them onto the app. Show, hide, fly to or remove each file for the session.
+  GeoJSON/GPX draw on the ground; KML retains its styles and explicit heights.
+  Large repeated-style exports use shared local pins, while recorded track
+  vertices and segment gaps stay intact. Imports respect newer camera gestures,
+  leave the shared clock alone, and report malformed or oversized files.
+  File bytes stay on the device; rendered overlays may appear in shared map
+  screenshots. Thanks to [Chase Mills](https://github.com/kapturner) (#925).
+
 - GNSS Integrity (Events, voice-addressable, share token `3`) draws navigation
   accuracy scores from a keyless regional adsb.lol sample; aircraft-level analyst
   queries are unavailable for these aggregate cells. Cells do not intercept