Chat Sessions Are Not Synced Between Desktop and Mobile Browsers & Problems Adding or Configuring Custom Providers #56473

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1. opencode-agent commented on Oct 17, 2026

   

   opencode-agentBot

   on Oct 17, 2026 – with OpenCode Agent

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   Thanks for the report! This issue has two separate problems, and there isn't enough detail yet to look into either one.

   Issue 1: sessions not syncing between browsers

   In 2.x the web UI gets the session list from the server. Two browsers connected to the same server should see the same sessions, so I need to know more about your setup:

   • How do you start the server? Please give the exact command, e.g. opencode web --hostname 0.0.0.0 --port 4096.
   • How does your phone connect to it? Which URL do you use (LAN IP, tunnel, reverse proxy), and is it http or https?
   • Did you open the project from the same folder on both devices? Did the session on the PC have at least one message sent?
   • What does the mobile browser show? A screenshot of each device would help: the PC with the session, and the phone without it.

   Issue 2: custom providers

   The issue only has the heading for this one. Please open a separate issue for it, with the steps you took, what you expected and the exact error you saw. If it's the same as #50650, a comment there is enough.

   You can reply here with the details or edit the issue. If you edit it, please also leave a comment saying you've updated it, so we know you're done.

   Possibly related issues, ordered from most to least likely:

   • desktop: custom provider save always throws "unavailable on this server" #50650: saving a custom provider in the web/desktop UI always fails with "Custom providers are unavailable on this server" (likely your Issue 2)
   • WebUI not populating sessions / projects #48311: sessions didn't show up when the web UI was opened in a second browser (reported on 1.x)
   • [Web] Sessions created from CLI/TUI never appear in web Home until the project is manually added in that browser (client-side-only project registry) #45011: the web home page only listed projects saved in that browser's local storage (1.x)
   • New session button (+) does not work; sessions not synced across devices #38411: sessions not synced across devices in the web UI (1.x)
   • Web UI over plain HTTP: sessions appear empty / missing because crypto.subtle and crypto.randomUUID are unavailable on insecure origins #46662: the web UI breaks when opened over plain http:// on a non-localhost address (1.x)
2. opencode-agent

   added

   triaging

   on Oct 17, 2026
3. opencode-agent

   closed this as not plannedon Oct 20, 2026
4. opencode-agent commented on Oct 20, 2026

   

   opencode-agentBot

   on Oct 20, 2026 – with OpenCode Agent

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   Closing this for now. We still don't have the details needed to look into either problem: how the server is started, how your phone connects to it, and the steps and error for the custom provider issue.

   If this still happens on the latest 2.x, please open a new issue for each problem with those details and we'll take another look. For the custom provider problem, also check #50650, which may already cover it. Thanks!