refactor: hardcode model validation token budget

app/api/validate-model/route.ts

@@ -15,7 +15,6 @@ import {
     isAihubmixStandardBaseURL,
     normalizeMiniMaxBaseURL,
 } from "@/lib/ai-providers"
-import { resolveModelValidationMaxTokens } from "@/lib/model-validation"
 import { allowPrivateUrls, isPrivateUrl } from "@/lib/ssrf-protection"
 import { PROVIDER_INFO, type ProviderName } from "@/lib/types/model-config"
 
@@ -48,10 +47,6 @@ export async function POST(req: Request) {
             // Note: Express Mode only needs vertexApiKey
             vertexApiKey,
         } = body
-        const validationMaxTokens = resolveModelValidationMaxTokens(
-            process.env.MODEL_VALIDATION_MAX_TOKENS,
-        )
-
         if (!provider || !modelId) {
             return NextResponse.json(
                 { valid: false, error: "Provider and model ID are required" },
@@ -303,7 +298,7 @@ export async function POST(req: Request) {
                                 messages: [
                                     { role: "user", content: "Say 'OK'" },
                                 ],
-                                max_tokens: validationMaxTokens,
+                                max_tokens: 1000,
                                 stream: true,
                                 enable_thinking: false,
                             }),
@@ -417,7 +412,7 @@ export async function POST(req: Request) {
         await generateText({
             model,
             prompt: "Say 'OK'",
-            maxOutputTokens: validationMaxTokens,
+            maxOutputTokens: 1000,
         })
         const responseTime = Date.now() - startTime