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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		May 9, 2026 3:55am

PR Summary

Medium Risk
Touches core chat streaming/reconnect logic (cursor replay, message reconciliation, tool start suppression), which can impact conversation state and tool execution if edge cases are missed. UI and resource/tool-display tweaks are low risk, but regressions here would be user-visible.

Overview
Fixes several Mothership UX/reconnect edge cases. The plus-menu dropdown now disables the default max-height when showing the root (non-search) menu so it can size to content.

Chat streaming reconnect behavior is hardened by reconciling live assistant turns against persisted messages, selecting whether to replay from cached live state or reset to cursor 0, and avoiding duplicate client workflow tool starts during replay by suppressing only tool-call IDs that already have results; these changes are covered by new use-chat tests.

Resource/tool handling is adjusted by allowing open_resource to open workspace files by file id (no UUID-only constraint), and by making Read tool UI labels more natural for special file paths like content, meta.json, style, and compiled-check (with added tests).

^{Reviewed by Cursor Bugbot for commit a730c86. Configure here.}

Greptile Summary

This PR fixes several UI and streaming-reconnect bugs in the mothership/home UI. The changes span the plus-menu dropdown height, stream replay cursor management on reconnect, workspace file open_resource ID handling, and file-read display label formatting.

• Plus-menu height fix: Adds isRootMenu flag (root, non-search state) and applies max-h-none to prevent the fixed-label dropdown from being clipped by the DropdownMenuContent default max-height.
• Stream replay rework: Extracts reconcileLiveAssistantTurn, selectReconnectReplayState, and getReplayCompletedWorkflowToolCallIds as standalone testable helpers; replaces the blunt suppressWorkflowToolStarts: boolean with a per-ID suppressedWorkflowToolStartIds: ReadonlySet<string> so only already-completed workflow tool calls are suppressed during replay, and adds cursor/content reconciliation on reconnect to avoid re-rendering stale live content.
• Non-UUID file IDs: Removes the hard isUuid guard from open_resource file resolution so canonical non-UUID workspace file IDs (e.g. wf_…) are accepted; getWorkspaceFile already queries by exact ID match, so the restriction was unnecessarily tight.

Confidence Score: 4/5

Safe to merge — changes are well-scoped bug fixes with new unit test coverage for the most complex paths.

The streaming reconnect rework in use-chat.ts is the most involved change: it introduces cursor/content reconciliation and per-ID workflow-tool suppression that touches several interlocked refs. The logic appears correct and the new tests cover the key branches, but the overall hook is large and the new callbacks interact with several mutable refs, leaving some risk of subtle edge-case regressions under unusual reconnect sequences. The remaining changes (dropdown height, file ID guard removal, display label formatting) are straightforward and low-risk.

apps/sim/app/workspace/[workspaceId]/home/hooks/use-chat.ts — the reconnect path and new applyReconnectReplaySelection callback interact with multiple mutable refs; worth a careful second read.

Important Files Changed

_{Reviews (1): Last reviewed commit: "fix few more ui/ux bugs" | Re-trigger Greptile}