feat(anthropic): support structured outputs for Claude Haiku 4.5

Author: CorieW

js/plugins/anthropic/package.json

@@ -29,7 +29,7 @@
     "genkit": "workspace:^"
   },
   "dependencies": {
-    "@anthropic-ai/sdk": "^0.71.0"
+    "@anthropic-ai/sdk": "^0.71.2"
   },
   "devDependencies": {
     "@types/node": "^20.11.16",

js/plugins/anthropic/src/models.ts

@@ -95,7 +95,17 @@ export const KNOWN_CLAUDE_MODELS: Record<
   ),
   'claude-haiku-4-5': commonRef(
     'claude-haiku-4-5',
-    AnthropicThinkingConfigSchema
+    AnthropicThinkingConfigSchema,
+    {
+      supports: {
+        multiturn: true,
+        tools: true,
+        media: true,
+        systemRole: true,
+        output: ['text', 'json'],
+        constrained: 'all',
+      },
+    }
   ),
   'claude-opus-4-1': commonRef(
     'claude-opus-4-1',