release: bump version to 0.50.0

docs/technical/en/quickstart.md

@@ -2,6 +2,8 @@
 
 This guide is for developers or demo operators starting Planet for the first time. The goal is to get services running via the shortest path and know which URLs to open.
 
+If you run into port conflicts, Windows / WSL LAN access, `uv` / `bun`, camera, or Docs permission issues, start with the [FAQ](/home/ray/dev/linkong/planet/docs/technical/en/faq.md).
+
 ## Prerequisites
 
 Recommended: run in a WSL / Linux shell.
@@ -64,6 +66,8 @@ If the default ports are taken, specify custom ports:
 ./planet.sh start -f 3001 -b 8001 -a 8101
 ```
 
+If backend port `8000` is occupied by a Windows listener or an old portproxy rule, follow the [FAQ](/home/ray/dev/linkong/planet/docs/technical/en/faq.md) troubleshooting order.
+
 ## 2. Create a Login User
 
 The console requires login. For first-time use:
@@ -91,9 +95,9 @@ Once in, verify:
 - The globe renders correctly
 - The right-side layer panel can toggle layers on/off
 - Search can find cables, satellites, compute centers, BGP events
-- Compute-center and BGP collector detail cards can collect and preview coordinate candidates; the compute-center unresolved badge can open the queue and save candidates
+- Compute-center and BGP collector detail cards can collect and preview coordinate candidates; when regular sources have no candidate, the current default AI Provider runs one LLM factcheck fallback; the compute-center unresolved badge can open the queue and save candidates
 - Mouse drag, wheel zoom, and zoom percent feedback work correctly
-- Settings panel can switch cruise mode, day/night mode, satellite display style
+- Settings panel can switch rotate / cruise / motion mode, day/night mode, and satellite display style; Motion Debug Mode can show the local Browser Camera preview plus skeleton overlay
 
 ## 4. Open the Console