fix(llm): update router and llm_chat tool to call providers routes (#2986)

* fix(llm): update router and llm_chat tool to call providers routes

* updated failing tests

Author: waleedlatif1

apps/sim/executor/handlers/evaluator/evaluator-handler.ts

@@ -4,9 +4,9 @@ import { createLogger } from '@sim/logger'
 import { eq } from 'drizzle-orm'
 import { refreshTokenIfNeeded } from '@/app/api/auth/oauth/utils'
 import type { BlockOutput } from '@/blocks/types'
-import { BlockType, DEFAULTS, EVALUATOR, HTTP } from '@/executor/constants'
+import { BlockType, DEFAULTS, EVALUATOR } from '@/executor/constants'
 import type { BlockHandler, ExecutionContext } from '@/executor/types'
-import { buildAPIUrl, extractAPIErrorMessage } from '@/executor/utils/http'
+import { buildAPIUrl, buildAuthHeaders, extractAPIErrorMessage } from '@/executor/utils/http'
 import { isJSONString, parseJSON, stringifyJSON } from '@/executor/utils/json'
 import { validateModelProvider } from '@/executor/utils/permission-check'
 import { calculateCost, getProviderFromModel } from '@/providers/utils'
@@ -143,9 +143,7 @@ export class EvaluatorBlockHandler implements BlockHandler {
 
       const response = await fetch(url.toString(), {
         method: 'POST',
-        headers: {
-          'Content-Type': HTTP.CONTENT_TYPE.JSON,
-        },
+        headers: await buildAuthHeaders(),
         body: stringifyJSON(providerRequest),
       })
 

apps/sim/executor/handlers/router/router-handler.ts

@@ -9,12 +9,12 @@ import type { BlockOutput } from '@/blocks/types'
 import {
   BlockType,
   DEFAULTS,
-  HTTP,
   isAgentBlockType,
   isRouterV2BlockType,
   ROUTER,
 } from '@/executor/constants'
 import type { BlockHandler, ExecutionContext } from '@/executor/types'
+import { buildAuthHeaders } from '@/executor/utils/http'
 import { validateModelProvider } from '@/executor/utils/permission-check'
 import { calculateCost, getProviderFromModel } from '@/providers/utils'
 import type { SerializedBlock } from '@/serializer/types'
@@ -118,9 +118,7 @@ export class RouterBlockHandler implements BlockHandler {
 
       const response = await fetch(url.toString(), {
         method: 'POST',
-        headers: {
-          'Content-Type': HTTP.CONTENT_TYPE.JSON,
-        },
+        headers: await buildAuthHeaders(),
         body: JSON.stringify(providerRequest),
       })
 
@@ -277,9 +275,7 @@ export class RouterBlockHandler implements BlockHandler {
 
       const response = await fetch(url.toString(), {
         method: 'POST',
-        headers: {
-          'Content-Type': HTTP.CONTENT_TYPE.JSON,
-        },
+        headers: await buildAuthHeaders(),
         body: JSON.stringify(providerRequest),
       })
 

packages/testing/src/mocks/executor.mock.ts

@@ -71,6 +71,19 @@ vi.mock('@/executor/path')
 vi.mock('@/executor/resolver', () => ({
   InputResolver: vi.fn(),
 }))
+vi.mock('@/executor/utils/http', () => ({
+  buildAuthHeaders: vi.fn().mockResolvedValue({ 'Content-Type': 'application/json' }),
+  buildAPIUrl: vi.fn((path: string) => new URL(path, 'http://localhost:3000')),
+  extractAPIErrorMessage: vi.fn(async (response: Response) => {
+    const defaultMessage = `API request failed with status ${response.status}`
+    try {
+      const errorData = await response.json()
+      return errorData.error || defaultMessage
+    } catch {
+      return defaultMessage
+    }
+  }),
+}))
 
 // Specific block utilities
 vi.mock('@/blocks/blocks/router')