feat(admin): configure model providers from database

frontend/src/app/api/consult/route.ts

@@ -6,7 +6,6 @@ import {
   getJyotishAgent,
   runConsultationWorkflow,
 } from "@/mastra";
-import { languageModelConfigurationMessage } from "@/mastra/model";
 import { blocksPromptExtraction } from "@/lib/consult-safety";
 import {
   consultationEntrypointSchema,
@@ -148,6 +147,16 @@ export async function POST(request: Request) {
     chatSession.model_config_version,
   );
 
+  if (!sessionModel) {
+    return NextResponse.json(
+      {
+        error: "模型暂不可用",
+        message: "当前会话绑定的数据库模型配置不可用，请联系管理员，本次不会扣点。",
+      },
+      { status: 503 },
+    );
+  }
+
   if (parsed.data.entrypoint === "birth_time_rectification") {
     return NextResponse.json(
       {
@@ -406,9 +415,7 @@ export async function POST(request: Request) {
       {
         error: "暂时无法生成解读",
         message: "咨询服务暂时不可用，请稍后再试。",
-        recovery: languageModelConfigurationMessage()
-          ? "当前没有可用的咨询模型，请联系管理员。"
-          : "稍后重试，或换一个模型继续。",
+        recovery: "稍后重试，或换一个模型继续。",
       },
       { status: 503 },
     );