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fix: case sensitive missmatch causing deduplication not to work reliably #55

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spoons-and-mirrors merged 1 commit into from
Dec 2, 2025
Merged

fix: case sensitive missmatch causing deduplication not to work reliably #55

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6 changes: 4 additions & 2 deletions lib/fetch-wrapper/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -81,15 +81,17 @@ export function installFetchWrapper(

// Run deduplication after handlers have populated toolParameters cache
const sessionId = state.lastSeenSessionId
if (sessionId && state.toolParameters.size > 1) {
if (sessionId && state.toolParameters.size > 0) {
const toolIds = Array.from(state.toolParameters.keys())
const alreadyPruned = state.prunedIds.get(sessionId) ?? []
const alreadyPrunedLower = new Set(alreadyPruned.map(id => id.toLowerCase()))
const unpruned = toolIds.filter(id => !alreadyPrunedLower.has(id.toLowerCase()))
if (unpruned.length > 1) {
const { duplicateIds } = detectDuplicates(state.toolParameters, unpruned, config.protectedTools)
if (duplicateIds.length > 0) {
state.prunedIds.set(sessionId, [...new Set([...alreadyPruned, ...duplicateIds])])
// Normalize to lowercase to match janitor's ID normalization
const normalizedIds = duplicateIds.map(id => id.toLowerCase())
state.prunedIds.set(sessionId, [...new Set([...alreadyPruned, ...normalizedIds])])
}
}
}
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