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fix: validate and fix tool_result IDs before API requests #9952

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Merged
cte merged 9 commits into from
Dec 10, 2025
Merged

fix: validate and fix tool_result IDs before API requests #9952

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b7f7a41
fix: validate and fix tool_result IDs before API requests
daniel-lxs Dec 9, 2025
3a087a7
chore: remove unnecessary comment
daniel-lxs Dec 9, 2025
2e21a54
feat: add captureException method for telemetry error tracking
daniel-lxs Dec 9, 2025
a3e1da2
perf: optimize backwards walk for finding previous assistant message
daniel-lxs Dec 9, 2025
8386e83
fix: remove unnecessary comment in tool_result ID validation logic
daniel-lxs Dec 9, 2025
ddf88d8
refactor: use findLastIndex utility for consistency
daniel-lxs Dec 9, 2025
c07b9f9
Merge main
cte Dec 10, 2025
f4bb76a
refactor: DRY up validateAndFixToolResultIds by passing apiConversati…
roomote Dec 10, 2025
11fdfd8
fix: use indexOf to correctly handle duplicate tool_use_ids
hannesrudolph Dec 10, 2025
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6 changes: 4 additions & 2 deletions src/core/task/validateToolResultIds.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,10 @@ export function validateAndFixToolResultIds(
return block
}

// Find which tool_result index this is (among all tool_results)
const toolResultIndex = toolResults.findIndex((r) => r.tool_use_id === block.tool_use_id)
// Find which tool_result index this block is by comparing references.
// This correctly handles duplicate tool_use_ids - we find the actual block's
// position among all tool_results, not the first block with a matching ID.
const toolResultIndex = toolResults.indexOf(block as Anthropic.ToolResultBlockParam)
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@cte cte Dec 10, 2025

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Confirmed that this is correct.


// Try to match by position - only fix if there's a corresponding tool_use
if (toolResultIndex !== -1 && toolResultIndex < toolUseBlocks.length) {
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