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fix(dashboard): unstick Active Agents panel cards from "Connecting..."

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Agents in `active` state without a current taskId had no SSE to attach
to, but the card still rendered "Connecting..." — implying a network
state that never resolves. Branch on taskId first: idle agents show
"Idle — no task assigned"; running-without-task shows "Starting...".

Also fix a related SSE multiplexer race: subscribers joining a channel
that had already opened never got an onOpen callback (EventSource only
fires `open` once), so they sat at isConnected=false forever whenever
another component was already streaming the same URL. Fire onOpen on a
microtask for late-joiners.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
gsxdsm
2026-04-29 14:23:58 -07:00
parent 061a7dce35
commit 76deb488ed
4 changed files with 75 additions and 1 deletions
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.changeset/active-agents-no-stuck-connecting.md Normal file
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---
"@runfusion/fusion": patch
"runfusion.ai": patch
"@fusion/core": patch
"@fusion/dashboard": patch
"@fusion/desktop": patch
"@fusion/engine": patch
"@fusion/mobile": patch
"@fusion/pi-claude-cli": patch
"@fusion/plugin-sdk": patch
---
Fix Active Agents panel cards stuck on "Connecting...". Agents in `active` state without a current task have no SSE stream to attach to, so the card now shows "Idle — no task assigned" instead of misleading network copy ("Starting..." for the brief `running`-without-task race). Also fixes a related SSE multiplexer bug: subscribers joining a channel that had already opened never received an `onOpen` callback (EventSource only emits `open` once), leaving them at `isConnected: false` indefinitely whenever another component was already streaming the same task's logs.