Update DeepSeek model IDs and add new DeepSeek v3 0324 option

Author: relkrahs

lib/ai/models.ts

@@ -36,9 +36,14 @@ export const chatModels: Array<ChatModel> = [
     description: "Quality improvements, celebrate 1 year of Gemini",
   },
   {
-    id: "deepseek-chat",
-    name: "DeepSeek Chat",
-    description: "DeepSeek-V3",
+    id: "deepseek-v3",
+    name: "DeepSeek v3",
+    description: "DeepSeek v3",
+  },
+  {
+    id: "deepseek-v3-0324",
+    name: "DeepSeek v3 0324",
+    description: "DeepSeek v3 0324",
   },
   {
     id: "chat-model-reasoning",

lib/ai/providers.ts

@@ -31,7 +31,10 @@ export const myProvider = isTestEnvironment
         ),
         "gemini-2.0-flash": google("gemini-2.0-flash"),
         "gemini-exp-1206": google("gemini-exp-1206"),
-        "deepseek-chat": fireworks("accounts/fireworks/models/deepseek-v3"),
+        "deepseek-v3": fireworks("accounts/fireworks/models/deepseek-v3"),
+        "deepseek-v3-0324": fireworks(
+          "accounts/fireworks/models/deepseek-v3-0324",
+        ),
         "chat-model-reasoning": wrapLanguageModel({
           model: fireworks("accounts/fireworks/models/deepseek-r1"),
           middleware: extractReasoningMiddleware({ tagName: "think" }),