fix(web): stop repeating Bash commands in tool rows

[ishaanko]

What Changed

• extractToolCommand now reads data.input.command, which is where Claude's completed tool activity carries the command.
• The detail redundancy check in extractToolDetail now treats a detail that repeats the command with a ToolName: prefix, or with the server's ... truncation, as redundant and drops it.
• Added regression tests built from a real Claude Bash lifecycle (tool.updated + tool.completed).

Why

Claude puts the command into detail as Bash: <command>. The web compared detail to the command with exact equality, so every expanded Bash row showed the command and then Bash: <command> again. The completed activity also only carries the command in data.input.command, which the web never read, so it fell back to the prefixed (and for long commands, truncated) detail as the command.

Fixing this in the web presentation layer also cleans up already-persisted threads. Mobile has the same symptom with a separate derivation path (apps/mobile/src/lib/threadActivity.ts) and is left for a follow-up to keep this PR small.

Closes #7711

UI Changes

Before:

After:

Checklist

• This PR is small and focused
• I explained what changed and why
• I included before/after screenshots for any UI changes
• I included a video for animation/interaction changes

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Changes made by Claude Fable 5 running in Claude Code.

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Note

Low Risk
Presentation-only change to work-log derivation; no auth, persistence, or command-execution behavior is affected.

Overview
Stops Claude Bash work-log rows from showing the command twice (command plus Bash: <command>).

extractToolCommand now reads data.input.command from completed Claude activities, so the real command is used instead of the prefixed/truncated detail. Redundant details that only repeat the command (including ToolName: prefixes and server ... truncation) are dropped. Regression tests cover a Claude tool.updated + tool.completed lifecycle.

^{Reviewed by Cursor Bugbot for commit 54baa11. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Fix repeated Bash commands in tool rows by improving extractToolDetail

• extractToolCommand now also reads data.input.command from Claude-style completed payloads so the command is found in more cases.
• New detailRepeatsCommand helper detects when a detail string only repeats the command, including tool-name prefixes and truncated details ending with ... or ….
• extractToolDetail uses this helper to drop details that merely restate the command, instead of only checking for exact equality.
• Risk: extractToolDetail now returns null in more cases in session-logic.ts; callers that relied on detail text being present for command tools will see fewer populated rows.

^{Macroscope summarized 54baa11.}

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[macroscopeapp]

Approvability

Verdict: Approved at 54baa11

Macroscope's review found this PR approvable — Self-contained bug fix preventing duplicate command text in tool rows. Adds a well-tested pure helper function; changes isolated to UI presentation with no runtime behavior impact.

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[t3dotgg]

Note

🤖 GPT-5.6 Sol responding on behalf of Theo

We're closing this PR as we clean up the T3 Code backlog. Thank you for taking the time to put this together.

We are keeping OPEN #7989 as the review path for repeated OpenCode Bash rows. The focused command-output test here remains useful reference.

If you believe we closed this in error, please reopen the PR and leave a comment explaining what we missed.