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fix/sandbox child thread blank - #48
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OmarAlex24 merged 1 commit intoNov 13, 2026
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An idle subagent or delegated task is left out of its environment's shell, so its route waits on the thread's own detail. That wait sat behind the shell's live gate, so while a sandbox's shell was still reconnecting the child stayed "loading" even with its detail loaded, and ThreadRouteView rendered nothing for loading, a stuck load error, or a missing thread. - An unlisted thread whose detail has arrived opens without waiting for a live shell. - The route pane now says "Opening thread…", why it is waiting, the load error, or "Thread not found" instead of rendering nothing. - isThreadRoutePathname decodes the router's pathname segments, so a ?prompt link works on threads whose ids hold ":" or "%". Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Problem
Opening a sandbox chat's subagent or delegated task (by link or from Lineage) showed a blank pane.
Change
An idle child thread is not in its environment's list, so its route waits on the thread's own detail, and that wait sat behind the list's live gate: while a sandbox's connection was reconnecting the child stayed
loading, andThreadRouteViewrendered nothing for loading, a load error or a missing thread.isThreadRoutePathnamedecodes path segments, so?promptlinks work on threads whose ids hold:or%.Scope and approval
Requested by the fork owner in a T3 Code session, after installing stack pingdotgg#43. Part of stack pingdotgg#52 on
feat/sandbox-environments.Verification
threadRoutes.test.ts: a loaded child opens while its list reconnects, a cold open staysloading, and pathnames with encoded ids match; each row failed on the basevp run check:changed omar/feat/sandbox-environmentspasses format, lint, knip, typecheck, 17 test files (144 tests) and react compilerChatView.sandboxLaunchandChatView.sandboxLaunchReleasedbrowser tests pass 6/6 runs at this layer and at the topNot yet run in a real client.
Model and harness: Claude Opus 5.5 (implementation subagents at high effort, coordinated by Claude Opus 5.5) in Claude Code, running in T3 Code.
🤖 Generated with Claude Code