去掉sdk的引入，客户端也能直连

app/constant.ts

@@ -241,9 +241,10 @@ export const ChatGLM = {
 };
 
 export const Bedrock = {
-  ChatPath: "converse",
+  ChatPath: "model", // Simplified path since we'll append the full path in bedrock.ts
   ApiVersion: "2023-11-01",
-  getEndpoint: (region: string = "us-west-2") =>`https://bedrock-runtime.${region}.amazonaws.com`,
+  getEndpoint: (region: string = "us-west-2") =>
+    `https://bedrock-runtime.${region}.amazonaws.com`,
 };
 
 export const DEFAULT_INPUT_TEMPLATE = `{{input}}`; // input / time / model / lang
@@ -326,19 +327,43 @@ const openaiModels = [
 ];
 
 const bedrockModels = [
+  // Amazon Titan Models
+  "amazon.titan-text-express-v1",
+  "amazon.titan-text-lite-v1",
+  "amazon.titan-text-agile-v1",
+
+  // Cohere Models
+  "cohere.command-light-text-v14",
+  "cohere.command-r-plus-v1:0",
+  "cohere.command-r-v1:0",
+  "cohere.command-text-v14",
+
   // Claude Models
   "anthropic.claude-3-haiku-20240307-v1:0",
   "anthropic.claude-3-5-haiku-20241022-v1:0",
   "anthropic.claude-3-sonnet-20240229-v1:0",
   "anthropic.claude-3-5-sonnet-20241022-v2:0",
   "anthropic.claude-3-opus-20240229-v1:0",
+  "anthropic.claude-2.1",
+  "anthropic.claude-v2",
+  "anthropic.claude-v1",
+  "anthropic.claude-instant-v1",
 
   // Meta Llama Models
-  "us.meta.llama3-2-11b-instruct-v1:0",
-  "us.meta.llama3-2-90b-instruct-v1:0",
-  //Mistral
+  "meta.llama2-13b-chat-v1",
+  "meta.llama2-70b-chat-v1",
+  "meta.llama3-8b-instruct-v1:0",
+  "meta.llama3-2-11b-instruct-v1:0",
+  "meta.llama3-2-90b-instruct-v1:0",
+
+  // Mistral Models
+  "mistral.mistral-7b-instruct-v0:2",
   "mistral.mistral-large-2402-v1:0",
   "mistral.mistral-large-2407-v1:0",
+
+  // AI21 Models
+  "ai21.j2-mid-v1",
+  "ai21.j2-ultra-v1",
 ];
 
 const googleModels = [