💄 style: Update Vertex AI models (#6967)

* Add Gemini 2.0 Flash Lite model

* Update Vertex AI model prices

src/config/aiModels/vertexai.ts

@@ -35,9 +35,27 @@ const vertexaiChatModels: AIChatModelCard[] = [
     id: 'gemini-2.0-flash',
     maxOutput: 8192,
     pricing: {
-      cachedInput: 0.025,
-      input: 0.1,
-      output: 0.4,
+      cachedInput: 0.0375,
+      input: 0.15,
+      output: 0.6,
+    },
+    releasedAt: '2025-02-05',
+    type: 'chat',
+  },
+  {
+    abilities: {
+      functionCall: true,
+      vision: true,
+    },
+    contextWindowTokens: 1_048_576 + 8192,
+    description: 'Gemini 2.0 Flash 模型变体，针对成本效益和低延迟等目标进行了优化。',
+    displayName: 'Gemini 2.0 Flash-Lite',
+    id: 'gemini-2.0-flash-lite',
+    maxOutput: 8192,
+    pricing: {
+      cachedInput: 0.018_75,
+      input: 0.075,
+      output: 0.3,
     },
     releasedAt: '2025-02-05',
     type: 'chat',
@@ -54,9 +72,9 @@ const vertexaiChatModels: AIChatModelCard[] = [
     id: 'gemini-2.0-flash-001',
     maxOutput: 8192,
     pricing: {
-      cachedInput: 0.025,
-      input: 0.1,
-      output: 0.4,
+      cachedInput: 0.0375,
+      input: 0.15,
+      output: 0.6,
     },
     releasedAt: '2025-02-05',
     type: 'chat',