add env vars for google thinking config

Author: msukkari

packages/web/src/app/api/(server)/chat/route.ts

@@ -364,6 +364,14 @@ const getAISDKLanguageModelAndOptions = async (config: LanguageModel, orgId: num
 
             return {
                 model: vertex(modelId),
+                providerOptions: {
+                    google: {
+                        thinkingConfig: {
+                            thinkingBudget: env.GOOGLE_VERTEX_THINKING_BUDGET_TOKENS,
+                            includeThoughts: env.GOOGLE_VERTEX_INCLUDE_THOUGHTS === 'true',
+                        }
+                    }
+                },
             };
         }
         case 'google-vertex-anthropic': {

packages/web/src/env.mjs

@@ -116,6 +116,8 @@ export const env = createEnv({
         GOOGLE_VERTEX_PROJECT: z.string().optional(),
         GOOGLE_VERTEX_REGION: z.string().default('us-central1'),
         GOOGLE_APPLICATION_CREDENTIALS: z.string().optional(),
+        GOOGLE_VERTEX_THINKING_BUDGET_TOKENS: numberSchema.default(-1),
+        GOOGLE_VERTEX_INCLUDE_THOUGHTS: booleanSchema.default('true'),
 
         AWS_ACCESS_KEY_ID: z.string().optional(),
         AWS_SECRET_ACCESS_KEY: z.string().optional(),