OpenHands/agent-canvas

Cmd-clicking a sidebar conversation can open on the wrong backend

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#1,422 opened on Jun 18, 2026

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Description

Problem

When a user cmd-clicks / ctrl-clicks a conversation in the conversations sidebar to open it in a new browser tab, the new tab is not guaranteed to stay on the backend that owns that conversation.

If the new tab initializes with a different selected backend, it attempts to load the conversation ID against that backend and shows conversation not found.

Expected behavior

Opening a conversation from the sidebar in a new tab should preserve the selected backend identity in the URL or navigation target, so the new tab resolves the conversation against the same backend as the originating tab.

Notes

This affects multi-backend Agent Canvas setups where conversations are scoped to specific backends. The fix should cover normal click and modified-click/new-tab browser behavior.

Contributor guide

Research direction
Trace the navigation logic when cmd clicking a sidebar conversation and identify where the backend ID is lost or not passed to the new tab.
Tech stack
typescript
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60