feat: unified ephemeral activities for parallel tool calls (CYPACK-886)#937
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feat: unified ephemeral activities for parallel tool calls (CYPACK-886)#937cyrusagent wants to merge 2 commits intomainfrom
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When Claude runs multiple tools in parallel, instead of posting separate activities for each tool, present a single unified ephemeral activity with a tree-like view showing all parallel tools and their status. - Add extractAllToolInfo/extractAllToolResultInfo to detect parallel tool_use blocks in assistant messages - Track parallel tool groups per session with progressive status updates - Post unified ephemeral activities with tree formatting (├─/└─ with ⏳/✅/❌ status icons) - Suppress individual result activities for parallel groups - Add formatParallelToolGroup to IMessageFormatter and all 4 runners - Add 11 tests covering parallel detection, ephemeral posting, result suppression, partial updates, and single-tool fallback Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Assignee: Connor Turland
Summary
When Claude runs multiple tools in parallel (e.g., 6 Explore agents simultaneously), each tool was previously posted as a separate activity in the Linear timeline, creating a cluttered, broken-looking view. This PR introduces unified ephemeral activities that present all parallel tools in a single tree-like view with live status updates, matching Claude Code's native parallel agent display.
Before: Individual activities flood the timeline for each parallel tool call
After: One compact ephemeral activity with tree formatting (├─/└─) and status icons (⏳/✅/❌) that updates progressively as tools complete
Changes
packages/core/src/agent-runner-types.ts— AddedformatParallelToolGroup()to theIMessageFormatterinterfacepackages/edge-worker/src/AgentSessionManager.ts— Core parallel detection and unified activity posting:extractAllToolInfo()/extractAllToolResultInfo()to detect multiple tool blocks per message (replacing single-block.find())parallelToolGroupsMap for tracking concurrent tool groups per sessionpostParallelGroupActivity()posts unified ephemeral activities with progressive status updatespackages/{claude,codex,cursor,gemini}-runner/src/formatter.ts—formatParallelToolGroup()implementation with tree-like markdown formattingpackages/edge-worker/test/AgentSessionManager.parallel-tools.test.ts— 11 new testsTesting
Linear Issue
CYPACK-886