feat: simplify LLM config and onboarding

apps/x/packages/shared/src/index.ts

@@ -1,6 +1,7 @@
 import { PrefixLogger } from './prefix-logger.js';
 
 export * as ipc from './ipc.js';
+export * as models from './models.js';
 export * as workspace from './workspace.js';
 export * as mcp from './mcp.js';
-export { PrefixLogger };
+export { PrefixLogger };

apps/x/packages/shared/src/ipc.ts

@@ -2,6 +2,7 @@ import { z } from 'zod';
 import { RelPath, Encoding, Stat, DirEntry, ReaddirOptions, ReadFileResult, WorkspaceChangeEvent, WriteFileOptions, WriteFileResult, RemoveOptions } from './workspace.js';
 import { ListToolsResponse } from './mcp.js';
 import { AskHumanResponsePayload, CreateRunOptions, Run, ListRunsResponse, ToolPermissionAuthorizePayload } from './runs.js';
+import { LlmModelConfig } from './models.js';
 
 // ============================================================================
 // Runtime Validation Schemas (Single Source of Truth)
@@ -173,6 +174,34 @@ const ipcSchemas = {
     req: z.null(),
     res: z.null(),
   },
+  'models:list': {
+    req: z.null(),
+    res: z.object({
+      providers: z.array(z.object({
+        id: z.string(),
+        name: z.string(),
+        models: z.array(z.object({
+          id: z.string(),
+          name: z.string().optional(),
+          release_date: z.string().optional(),
+        })),
+      })),
+      lastUpdated: z.string().optional(),
+    }),
+  },
+  'models:test': {
+    req: LlmModelConfig,
+    res: z.object({
+      success: z.boolean(),
+      error: z.string().optional(),
+    }),
+  },
+  'models:saveConfig': {
+    req: LlmModelConfig,
+    res: z.object({
+      success: z.literal(true),
+    }),
+  },
   'oauth:connect': {
     req: z.object({
       provider: z.string(),
@@ -373,4 +402,4 @@ export function validateResponse<K extends keyof IPCChannels>(
 ): IPCChannels[K]['res'] {
   const schema = ipcSchemas[channel].res;
   return schema.parse(data) as IPCChannels[K]['res'];
-}
+}

apps/x/packages/shared/src/models.ts

@@ -0,0 +1,13 @@
+import { z } from "zod";
+
+export const LlmProvider = z.object({
+  flavor: z.enum(["openai", "anthropic", "google", "openrouter", "aigateway", "ollama", "openai-compatible"]),
+  apiKey: z.string().optional(),
+  baseURL: z.string().optional(),
+  headers: z.record(z.string(), z.string()).optional(),
+});
+
+export const LlmModelConfig = z.object({
+  provider: LlmProvider,
+  model: z.string(),
+});