fix(copilot): fix copilot server bugs

apps/sim/app/api/copilot/chat/route.ts

@@ -8,6 +8,7 @@ import { getSession } from '@/lib/auth'
 import { generateChatTitle } from '@/lib/copilot/chat-title'
 import { getCopilotModel } from '@/lib/copilot/config'
 import { SIM_AGENT_API_URL_DEFAULT, SIM_AGENT_VERSION } from '@/lib/copilot/constants'
+import { COPILOT_MODEL_IDS, COPILOT_REQUEST_MODES } from '@/lib/copilot/models'
 import {
   authenticateCopilotRequestSessionOnly,
   createBadRequestResponse,
@@ -40,34 +41,8 @@ const ChatMessageSchema = z.object({
   userMessageId: z.string().optional(), // ID from frontend for the user message
   chatId: z.string().optional(),
   workflowId: z.string().min(1, 'Workflow ID is required'),
-  model: z
-    .enum([
-      'gpt-5-fast',
-      'gpt-5',
-      'gpt-5-medium',
-      'gpt-5-high',
-      'gpt-5.1-fast',
-      'gpt-5.1',
-      'gpt-5.1-medium',
-      'gpt-5.1-high',
-      'gpt-5-codex',
-      'gpt-5.1-codex',
-      'gpt-5.2',
-      'gpt-5.2-codex',
-      'gpt-5.2-pro',
-      'gpt-4o',
-      'gpt-4.1',
-      'o3',
-      'claude-4-sonnet',
-      'claude-4.5-haiku',
-      'claude-4.5-sonnet',
-      'claude-4.5-opus',
-      'claude-4.1-opus',
-      'gemini-3-pro',
-    ])
-    .optional()
-    .default('claude-4.5-opus'),
-  mode: z.enum(['ask', 'agent', 'plan']).optional().default('agent'),
+  model: z.enum(COPILOT_MODEL_IDS).optional().default('claude-4.5-opus'),
+  mode: z.enum(COPILOT_REQUEST_MODES).optional().default('agent'),
   prefetch: z.boolean().optional(),
   createNewChat: z.boolean().optional().default(false),
   stream: z.boolean().optional().default(true),
@@ -295,7 +270,8 @@ export async function POST(req: NextRequest) {
     }
 
     const defaults = getCopilotModel('chat')
-    const modelToUse = env.COPILOT_MODEL || defaults.model
+    const selectedModel = model || defaults.model
+    const envModel = env.COPILOT_MODEL || defaults.model
 
     let providerConfig: CopilotProviderConfig | undefined
     const providerEnv = env.COPILOT_PROVIDER as any
@@ -304,28 +280,31 @@ export async function POST(req: NextRequest) {
       if (providerEnv === 'azure-openai') {
         providerConfig = {
           provider: 'azure-openai',
-          model: modelToUse,
+          model: envModel,
           apiKey: env.AZURE_OPENAI_API_KEY,
           apiVersion: 'preview',
           endpoint: env.AZURE_OPENAI_ENDPOINT,
         }
       } else if (providerEnv === 'vertex') {
         providerConfig = {
           provider: 'vertex',
-          model: modelToUse,
+          model: envModel,
           apiKey: env.COPILOT_API_KEY,
           vertexProject: env.VERTEX_PROJECT,
           vertexLocation: env.VERTEX_LOCATION,
         }
       } else {
         providerConfig = {
           provider: providerEnv,
-          model: modelToUse,
+          model: selectedModel,
           apiKey: env.COPILOT_API_KEY,
         }
       }
     }
 
+    const effectiveMode = mode === 'agent' ? 'build' : mode
+    const transportMode = effectiveMode === 'build' ? 'agent' : effectiveMode
+
     // Determine conversationId to use for this request
     const effectiveConversationId =
       (currentChat?.conversationId as string | undefined) || conversationId
@@ -345,7 +324,7 @@ export async function POST(req: NextRequest) {
       }
     } | null = null
 
-    if (mode === 'agent') {
+    if (effectiveMode === 'build') {
       // Build base tools (executed locally, not deferred)
       // Include function_execute for code execution capability
       baseTools = [
@@ -452,8 +431,8 @@ export async function POST(req: NextRequest) {
       userId: authenticatedUserId,
       stream: stream,
       streamToolCalls: true,
-      model: model,
-      mode: mode,
+      model: selectedModel,
+      mode: transportMode,
       messageId: userMessageIdToUse,
       version: SIM_AGENT_VERSION,
       ...(providerConfig ? { provider: providerConfig } : {}),
@@ -477,7 +456,7 @@ export async function POST(req: NextRequest) {
         hasConversationId: !!effectiveConversationId,
         hasFileAttachments: processedFileContents.length > 0,
         messageLength: message.length,
-        mode,
+        mode: effectiveMode,
         hasTools: integrationTools.length > 0,
         toolCount: integrationTools.length,
         hasBaseTools: baseTools.length > 0,

apps/sim/app/api/copilot/chat/update-messages/route.ts

@@ -4,6 +4,7 @@ import { createLogger } from '@sim/logger'
 import { and, eq } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { COPILOT_MODES } from '@/lib/copilot/models'
 import {
   authenticateCopilotRequestSessionOnly,
   createInternalServerErrorResponse,
@@ -45,7 +46,7 @@ const UpdateMessagesSchema = z.object({
   planArtifact: z.string().nullable().optional(),
   config: z
     .object({
-      mode: z.enum(['ask', 'build', 'plan']).optional(),
+      mode: z.enum(COPILOT_MODES).optional(),
       model: z.string().optional(),
     })
     .nullable()

apps/sim/app/api/copilot/user-models/route.ts

@@ -2,12 +2,13 @@ import { createLogger } from '@sim/logger'
 import { eq } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { getSession } from '@/lib/auth'
+import type { CopilotModelId } from '@/lib/copilot/models'
 import { db } from '@/../../packages/db'
 import { settings } from '@/../../packages/db/schema'
 
 const logger = createLogger('CopilotUserModelsAPI')
 
-const DEFAULT_ENABLED_MODELS: Record<string, boolean> = {
+const DEFAULT_ENABLED_MODELS: Record<CopilotModelId, boolean> = {
   'gpt-4o': false,
   'gpt-4.1': false,
   'gpt-5-fast': false,
@@ -28,7 +29,7 @@ const DEFAULT_ENABLED_MODELS: Record<string, boolean> = {
   'claude-4.5-haiku': true,
   'claude-4.5-sonnet': true,
   'claude-4.5-opus': true,
-  // 'claude-4.1-opus': true,
+  'claude-4.1-opus': false,
   'gemini-3-pro': true,
 }
 
@@ -54,7 +55,9 @@ export async function GET(request: NextRequest) {
 
       const mergedModels = { ...DEFAULT_ENABLED_MODELS }
       for (const [modelId, enabled] of Object.entries(userModelsMap)) {
-        mergedModels[modelId] = enabled
+        if (modelId in mergedModels) {
+          mergedModels[modelId as CopilotModelId] = enabled
+        }
       }
 
       const hasNewModels = Object.keys(DEFAULT_ENABLED_MODELS).some(

apps/sim/app/api/workflows/[id]/chat/status/route.ts

@@ -22,6 +22,13 @@ export async function GET(_request: Request, { params }: { params: Promise<{ id:
       .select({
         id: chat.id,
         identifier: chat.identifier,
+        title: chat.title,
+        description: chat.description,
+        customizations: chat.customizations,
+        authType: chat.authType,
+        allowedEmails: chat.allowedEmails,
+        outputConfigs: chat.outputConfigs,
+        password: chat.password,
         isActive: chat.isActive,
       })
       .from(chat)
@@ -34,6 +41,13 @@ export async function GET(_request: Request, { params }: { params: Promise<{ id:
         ? {
             id: deploymentResults[0].id,
             identifier: deploymentResults[0].identifier,
+            title: deploymentResults[0].title,
+            description: deploymentResults[0].description,
+            customizations: deploymentResults[0].customizations,
+            authType: deploymentResults[0].authType,
+            allowedEmails: deploymentResults[0].allowedEmails,
+            outputConfigs: deploymentResults[0].outputConfigs,
+            hasPassword: Boolean(deploymentResults[0].password),
           }
         : null