feat(ai): add PageSpace model aliases (standard/pro) for AI agents

apps/web/src/app/api/ai/page-agents/create/route.ts

@@ -85,7 +85,7 @@ export async function POST(request: Request) {
     // Get next position
     const nextPosition = await pageAgentRepository.getNextPosition(drive.id, parentId || null);
 
-    // Prepare agent data
+    // Prepare agent data with default PageSpace provider and standard model
     const agentData: AgentData = {
       title,
       type: 'AI_CHAT',
@@ -95,18 +95,16 @@ export async function POST(request: Request) {
       parentId: parentId || null,
       isTrashed: false,
       systemPrompt,
+      // Default to PageSpace provider with "standard" model
+      // Agents can use 'standard' or 'pro' as friendly aliases
+      aiProvider: aiProvider || 'pagespace',
+      aiModel: aiModel || 'standard',
     };
 
     // Add optional configuration (save even if empty array)
     if (enabledTools !== undefined) {
       agentData.enabledTools = enabledTools;
     }
-    if (aiProvider) {
-      agentData.aiProvider = aiProvider;
-    }
-    if (aiModel) {
-      agentData.aiModel = aiModel;
-    }
 
     // Create the agent
     const newAgent = await pageAgentRepository.createAgent(agentData);
@@ -143,8 +141,8 @@ export async function POST(request: Request) {
         systemPrompt: systemPrompt.substring(0, 100) + (systemPrompt.length > 100 ? '...' : ''),
         enabledToolsCount: enabledTools?.length || 0,
         enabledTools: enabledTools || [],
-        aiProvider: aiProvider || 'default',
-        aiModel: aiModel || 'default',
+        aiProvider: agentData.aiProvider,
+        aiModel: agentData.aiModel,
         hasWelcomeMessage: !!welcomeMessage
       },
       stats: {

apps/web/src/lib/ai/core/ai-providers-config.ts

@@ -3,12 +3,42 @@
  * Single source of truth for all AI models across the application
  */
 
+/**
+ * PageSpace Model Aliases
+ * Allows agents to use friendly names (standard/pro) instead of underlying model IDs.
+ * This abstraction lets agents update their model without knowing the specific backend model.
+ */
+export const PAGESPACE_MODEL_ALIASES: Record<string, string> = {
+  standard: 'glm-4.5-air',
+  pro: 'glm-4.7',
+} as const;
+
+/**
+ * Resolve a PageSpace model alias to the actual model ID
+ * @param modelOrAlias - Either an alias ('standard', 'pro') or actual model ID
+ * @returns The resolved model ID
+ */
+export function resolvePageSpaceModel(modelOrAlias: string): string {
+  const lowercased = modelOrAlias.toLowerCase();
+  return PAGESPACE_MODEL_ALIASES[lowercased] || modelOrAlias;
+}
+
+/**
+ * Check if a string is a PageSpace model alias
+ */
+export function isPageSpaceModelAlias(model: string): boolean {
+  return model.toLowerCase() in PAGESPACE_MODEL_ALIASES;
+}
+
 export const AI_PROVIDERS = {
   pagespace: {
     name: 'PageSpace',
     models: {
       'glm-4.5-air': 'Standard',
       'glm-4.7': 'Pro (Pro/Business)',
+      // Aliases are also valid model selections
+      standard: 'Standard',
+      pro: 'Pro (Pro/Business)',
     },
   },
   openrouter: {
@@ -366,7 +396,7 @@ export type AIModel<T extends AIProvider> = keyof typeof AI_PROVIDERS[T]['models
  * For all other providers: Shows "PageSpace AI" to abstract away the underlying model
  *
  * @param provider - The AI provider (e.g., 'pagespace', 'openrouter', 'google')
- * @param model - The model identifier (e.g., 'glm-4.5-air', 'glm-4.7')
+ * @param model - The model identifier (e.g., 'glm-4.5-air', 'glm-4.7', 'standard', 'pro')
  * @returns User-friendly display name
  */
 export function getUserFacingModelName(provider: string | null | undefined, model: string | null | undefined): string {
@@ -377,10 +407,12 @@ export function getUserFacingModelName(provider: string | null | undefined, mode
 
   // For PageSpace provider, show tier-based naming
   if (provider === 'pagespace') {
-    if (model === 'glm-4.7') {
+    // Resolve alias to actual model for comparison
+    const resolvedModel = resolvePageSpaceModel(model);
+    if (resolvedModel === 'glm-4.7') {
       return 'PageSpace Pro';
     }
-    if (model === 'glm-4.5-air') {
+    if (resolvedModel === 'glm-4.5-air') {
       return 'PageSpace Standard';
     }
     // Any other PageSpace model defaults to Standard

apps/web/src/lib/ai/core/provider-factory.ts

@@ -35,6 +35,7 @@ import {
   getUserMiniMaxSettings,
   createMiniMaxSettings,
 } from './ai-utils';
+import { resolvePageSpaceModel } from './ai-providers-config';
 
 export interface ProviderRequest {
   selectedProvider?: string;
@@ -86,7 +87,12 @@ export async function createAIProvider(
   // Get user's current AI provider settings
   const [user] = await db.select().from(users).where(eq(users.id, userId));
   const currentProvider = selectedProvider || user?.currentAiProvider || 'pagespace';
-  const currentModel = selectedModel || user?.currentAiModel || 'glm-4.5-air';
+  let currentModel = selectedModel || user?.currentAiModel || 'glm-4.5-air';
+
+  // Resolve model aliases for PageSpace provider (e.g., 'standard' -> 'glm-4.5-air')
+  if (currentProvider === 'pagespace') {
+    currentModel = resolvePageSpaceModel(currentModel);
+  }
 
   try {
     let model;