fix(ai-review): upgrade to claude-sonnet-4-6 with 2048 max_tokens

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: nadavis

scripts/ai-review.mjs

@@ -53,8 +53,8 @@ ${truncatedDiff}`;
     console.log("Sending diff to Claude for review...");
     const client = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY });
     const message = await client.messages.create({
-      model: "claude-sonnet-4-5",
-      max_tokens: 1024,
+      model: "claude-sonnet-4-6",
+      max_tokens: 2048,
       messages: [{ role: "user", content: prompt }],
     });