Function normalizeToolCalls

test/harness/replayingCapiProxy.ts:823–876

(
  conversations: NormalizedConversation[],
  resultNormalizers: ToolResultNormalizer[],
)

}

function normalizeToolCalls(
  conversations: NormalizedConversation[],
  resultNormalizers: ToolResultNormalizer[],
) {
  // We normalize:
  //  - Tool call IDs (mapping from tooluse_rjaaFdJRRhqAZevU_1aBSA etc to toolcall_0, toolcall_1, etc)
  //  - Tool names (e.g., bash/powershell -> ${shell})
  //  - Tool call results that may vary between execution environments
  // This is so that we're not storing random or environment-specific data in snapshots, and so we can
  // still match cached responses even if these details change.
  for (const conv of conversations) {
    const idMap = new Map<string, string>();
    const precedingMessages: NormalizedMessage[] = [];
    let counter = 0;
    for (const msg of conv.messages) {
      for (const tc of msg.tool_calls ?? []) {
        // Normalize ID in tool calls
        idMap.set(tc.id, (tc.id = idMap.get(tc.id) ?? `toolcall_${counter++}`));

        // Normalize name
        const originalToolName = tc.function?.name;
        const normalizedToolName =
          originalToolName && normalizedToolNames[originalToolName];
        if (normalizedToolName) {
          tc.function!.name = normalizedToolName;
        }
      }

      if (msg.role === "tool" && msg.tool_call_id) {
        // Normalize ID in tool results
        msg.tool_call_id = idMap.get(msg.tool_call_id) ?? msg.tool_call_id;

        // Normalize result
        if (msg.content) {
          const precedingToolCall = precedingMessages
            .flatMap((m) => m.tool_calls ?? [])
            .find((tc) => tc.id === msg.tool_call_id);
          if (precedingToolCall) {
            for (const normalizer of resultNormalizers) {
              if (
                precedingToolCall.function?.name === normalizer.toolName ||
                normalizer.toolName === "*"
              ) {
                msg.content = normalizer.normalizer(msg.content);
              }
            }
          }
        }
      }

      precedingMessages.push(msg);
    }
  }
}

function normalizeToolResultOrder(conversations: NormalizedConversation[]) {
  for (const conv of conversations) {