story-kit: start 140_bug_activity_status_indicator_never_visible_due_to_display_condition

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Dave
2026-02-24 13:19:08 +00:00
parent 27c72a007f
commit ee6d017bca

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name: "Activity status indicator never visible due to display condition"
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# Bug 140: Activity status indicator never visible due to display condition
## Description
Story 86 wired up live activity status end-to-end (server emits tool_activity events over WebSocket, frontend receives them and calls setActivityStatus), but the UI condition `loading && !streamingContent` on line 686 of Chat.tsx guarantees the activity labels are never visible.
The timeline within a Claude Code turn:
1. Model starts generating text → onToken fires → streamingContent accumulates → streaming bubble shown, activity indicator hidden
2. Model decides to call a tool → content_block_start with tool_use arrives → setActivityStatus("Reading file...") fires
3. But streamingContent is still full of text from step 1 → condition !streamingContent is false → activity never renders
4. onUpdate arrives with the complete assistant message → setStreamingContent("") → now !streamingContent is true, but the next turn starts immediately or loading ends
The "Thinking..." fallback only shows in the brief window before the very first token of a request arrives — and at that point no tool has been called yet, so activityStatus is still null.
## How to Reproduce
1. Open the Story Kit web UI chat
2. Send any message that causes the agent to use tools (e.g. ask it to read a file)
3. Watch the thinking indicator
## Actual Result
The indicator always shows "Thinking..." and never changes to activity labels like "Reading file...", "Writing file...", etc.
## Expected Result
The indicator should cycle through tool activity labels (e.g. "Reading file...", "Executing command...") as the agent works, as specified in Story 86's acceptance criteria.
## Acceptance Criteria
- [ ] Activity status labels (e.g. 'Reading file...', 'Executing command...') are visible in the UI when the agent calls tools
- [ ] Activity is shown even when streamingContent is non-empty (e.g. between assistant turns or alongside the streaming bubble)
- [ ] The indicator still falls back to 'Thinking...' when no tool activity is in progress