fix: defer inlineData parts to end of array for parallel tool calls (#91)

When multiple tool_results contain images, the inlineData parts were
being interleaved between functionResponse parts, breaking Claude's API
requirement that functionResponse parts be consecutive.

Co-Authored-By: Claude <noreply@anthropic.com>

src/format/request-converter.js

@@ -95,8 +95,7 @@ export function convertAnthropicToGoogle(anthropicRequest) {
     }
 
     // Convert messages to contents, then filter unsigned thinking blocks
-    for (let i = 0; i < processedMessages.length; i++) {
-        const msg = processedMessages[i];
+    for (const msg of processedMessages) {
         let msgContent = msg.content;
 
         // For assistant messages, process thinking blocks and reorder content