Update Bedrock model IDs to user-provided model identifiers

llm.py

@@ -375,7 +375,7 @@ def check_credentials():
             bedrock_runtime = get_bedrock_client()
             # Try a simple test invocation to verify credentials
             test_response = bedrock_runtime.invoke_model(
-                modelId="anthropic.claude-3-haiku-20240307",
+                modelId="anthropic.claude-3-5-sonnet-20240620-v1:0",
                 contentType="application/json",
                 accept="application/json",
                 body=json.dumps({

model_config.py

@@ -5,8 +5,8 @@ PROVIDER_MODEL_MAP = {
         "gpt-5-nano",
     ],
     "anthropic": [
-        "anthropic.claude-3-5-sonnet-20241022",
-        "anthropic.claude-3-haiku-20240307",
+        "anthropic.claude-3-5-sonnet-20240620-v1:0",
+        "anthropic.claude-sonnet-4-20250514-v1:0",
     ],
 }
 
@@ -22,8 +22,8 @@ MODEL_DISPLAY_NAMES = {
     "gpt-4.1-mini": "OpenAI - GPT-4.1 Mini",
     "gpt-5-mini": "OpenAI - GPT-5 Mini",
     "gpt-5-nano": "OpenAI - GPT-5 Nano",
-    "anthropic.claude-3-5-sonnet-20241022": "AWS Bedrock - Anthropic - Claude 3.5 Sonnet",
-    "anthropic.claude-3-haiku-20240307": "AWS Bedrock - Anthropic - Claude 3 Haiku",
+    "anthropic.claude-3-5-sonnet-20240620-v1:0": "AWS Bedrock - Anthropic - Claude 3.5 Sonnet",
+    "anthropic.claude-sonnet-4-20250514-v1:0": "AWS Bedrock - Anthropic - Claude Sonnet 4",
 }
 
 MODEL_CHOICES = [model for models in PROVIDER_MODEL_MAP.values() for model in models]