zen: model management helper

packages/console/app/src/routes/zen/handler.ts

@@ -10,6 +10,7 @@ import { Resource } from "@opencode/console-resource"
 import { Billing } from "../../../../core/src/billing"
 import { Actor } from "@opencode/console-core/actor.js"
 import { WorkspaceTable } from "@opencode/console-core/schema/workspace.sql.js"
+import { ZenModel } from "@opencode/console-core/model.js"
 
 export async function handler(
   input: APIEvent,
@@ -34,32 +35,7 @@ export async function handler(
   class MonthlyLimitError extends Error {}
   class ModelError extends Error {}
 
-  const ModelCostSchema = z.object({
-    input: z.number(),
-    output: z.number(),
-    cacheRead: z.number().optional(),
-    cacheWrite5m: z.number().optional(),
-    cacheWrite1h: z.number().optional(),
-  })
-
-  const ModelSchema = z.object({
-    cost: ModelCostSchema,
-    cost200K: ModelCostSchema.optional(),
-    allowAnonymous: z.boolean().optional(),
-    providers: z.array(
-      z.object({
-        id: z.string(),
-        api: z.string(),
-        apiKey: z.string(),
-        model: z.string(),
-        weight: z.number().optional(),
-        headerMappings: z.record(z.string(), z.string()).optional(),
-        disabled: z.boolean().optional(),
-      }),
-    ),
-  })
-
-  type Model = z.infer<typeof ModelSchema>
+  type Model = z.infer<typeof ZenModel.ModelSchema>
 
   const FREE_WORKSPACES = [
     "wrk_01K46JDFR0E75SG2Q8K172KF3Y", // frank
@@ -230,7 +206,7 @@ export async function handler(
   function validateModel(reqModel: string) {
     const json = JSON.parse(Resource.ZEN_MODELS.value)
 
-    const allModels = z.record(z.string(), ModelSchema).parse(json)
+    const allModels = ZenModel.ModelsSchema.parse(json)
 
     if (!(reqModel in allModels)) {
       throw new ModelError(`Model ${reqModel} not supported`)