The first 2 weeks is ended.

apps/web/server/api/worlds/generate.post.ts

@@ -0,0 +1,36 @@
+import { CreateWorldRequestSchema, WorldStarterSchema, moderate13Plus } from '@dng/shared'
+import { buildJsonCompletion, parseJsonCompletion } from '../../utils/ai-provider'
+
+export default defineEventHandler(async event => {
+  const raw = await readBody(event)
+  const prompt = typeof raw?.prompt === 'string' ? raw.prompt : ''
+  const answers = raw?.answers && typeof raw.answers === 'object' ? raw.answers : {}
+  const moderation = moderate13Plus(`${prompt} ${Object.values(answers).join(' ')}`)
+  if (!moderation.allowed) throw createError({ statusCode: 422, statusMessage: 'This concept falls outside the alpha’s 13+ content boundary.' })
+
+  const config = useRuntimeConfig()
+  const request = CreateWorldRequestSchema.parse({ messages: [{ role: 'user', content: `${prompt}\nPreferences: ${JSON.stringify(answers)}` }] })
+  let completion
+  try {
+    completion = buildJsonCompletion(config, {
+      system: 'Create an original 13+ TTRPG starting world. Return only valid JSON matching the supplied WorldStarter structure, with exactly 3 NPCs and 2 factions. Do not use protected franchises.',
+      messages: request.messages,
+      schemaName: 'world_starter',
+      jsonSchema: WorldStarterSchema.toJSONSchema(),
+    })
+  } catch (error) {
+    throw createError({ statusCode: 500, statusMessage: error instanceof Error ? error.message : 'Invalid AI provider configuration.' })
+  }
+
+  const response = await fetch(completion.endpoint, {
+    method: 'POST',
+    headers: completion.headers,
+    body: JSON.stringify(completion.body),
+  })
+  if (!response.ok) throw createError({ statusCode: 502, statusMessage: 'The coauthor is temporarily unavailable.' })
+  try {
+    return WorldStarterSchema.parse(parseJsonCompletion(await response.json()))
+  } catch {
+    throw createError({ statusCode: 502, statusMessage: 'The coauthor returned an invalid world structure.' })
+  }
+})