Cesium's script sets CESIUM_WORKERS itself when it loads, so the panel's
combined workers script was never used, and neither was the embedded
terrain-heights file: the worker still requested it from the panel
page's site. The panel build now writes only the prelude, and the panel
puts it ahead of whatever Cesium assigns to CESIUM_WORKERS. The separate
esbuild bundle of Cesium's workers is gone.
The ground-polyline worker loads approximateTerrainHeights.json itself,
and a worker's requests go to the panel page's own site, where they
failed with 404 and stopped rendering once ground-clamped lines such as
military installations appeared. The panel build now embeds that file in
the workers script, which answers the worker's request from memory.
panel_request resolved paths with a check for a leading //, but URL
parsing also reads /\host as another host, so it could request other
servers. It now resolves the path against the app's address, refuses
any other origin, matches refused routes decoded as well, and does not
follow redirects. Responses are capped at 64 MiB while reading, with a
deadline; held responses make room on arrival and expire by time only,
so a response being read keeps its parts.
The panel keeps converted images only for its build files, so live
camera frames no longer accumulate, and failed build loads are retried.
The dev server answers a malformed /panel/ path with 400 instead of
crashing.
Hosts serve panels from their own sites and may refuse other addresses;
Codex refuses any address on the user's machine. The panel now never
requests the app's server: it loads the app's panel build and data
through panel_request, a tool only the panel may call, which requests
the path from the app's server. One path in every host; only map
providers load directly.
npm run build:panel writes the panel build to dist/panel, served at
/panel/: one app script, one stylesheet, Cesium's script, and Cesium's
workers as one script Cesium runs from memory. Tools may now be marked
app-only. The panel CORS rules are gone.
Sameh Khamis