feat(tools): collapse tool output to single-line header with status colouring#245
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LeeCheneler merged 2 commits intomainfrom Mar 30, 2026
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Tool messages now display only the header line (name + params) in the chat.
Full output is still available via Tab. Tool headers are coloured by status:
yellow for success, red for error, dim for denied.
Introduces ToolResult type with explicit status field ("ok" | "error" |
"denied") replacing plain string returns from tool execute functions.
Closes #244
Remove the redundant CommandResult interface and have commands return ToolResult via ok()/err()/denied() helpers, matching the tool convention. Also fix inconsistent Error: prefixes in err() messages, use helpers in MCP paths, and correct denyMessage status in permission tests. Refs #244
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Summary
Tool messages now display only the header line (name + params) in the chat instead of 5 trailing body lines. Full output remains available via Tab. Tool headers are coloured by execution status: yellow for success, red for error, dim for denied.
GitHub Issue
Closes #244
What Changed
Introduces a
ToolResulttype with an explicitstatusfield ("ok" | "error" | "denied") replacing plain string returns from all toolexecutefunctions. Three helpers —ok(),err(),denied()— construct results consistently across tools.ToolMessageis simplified to render only the first line (the pre-formatted header). The header formatting informatToolHeadernow uses the status to pick the chalk colour.withFilePermissionand all 10 built-in tools are updated to returnToolResult.Notes for Reviewers
This is a breaking change to the internal
Toolinterface — any out-of-tree tool implementations would need to returnToolResultinstead of a plain string. MCP tools are unaffected as their results are wrapped at the boundary intool-execution.ts.