feat: expose image generation to page agents

mindspace-image-generation-routes.mjs

@@ -1,8 +1,6 @@
 const PURPOSES = new Set(['inline_image', 'hero', 'card_cover', 'feed_cover']);
 
-export function attachMindSpaceImageGenerationRoutes(router, { getService } = {}) {
-  router.post('/mindspace/v1/images/generate', async (req, res) => {
-    const service = getService?.();
+async function handleGenerate(req, res, { service, userId, consumerPrefix }) {
     if (!service) {
       return res.status(503).json({
         ok: false,
@@ -26,11 +24,11 @@ export function attachMindSpaceImageGenerationRoutes(router, { getService } = {}
       return res.status(400).json({ message: '幂等键不能超过 128 字符' });
     }
     const result = await service.generate({
-      userId: req.currentUser.id,
+      userId,
       purpose,
       prompt,
       negativePrompt: req.body?.negative_prompt,
-      consumerRef: `mindspace:${req.requestId ?? 'request'}:${purpose}`,
+      consumerRef: `${consumerPrefix}:${req.requestId ?? 'request'}:${purpose}`,
       idempotencyKey,
     });
     if (!result.ok) {
@@ -43,5 +41,31 @@ export function attachMindSpaceImageGenerationRoutes(router, { getService } = {}
       return res.status(unavailable ? 503 : 409).json(result);
     }
     return res.status(201).json({ data: result });
-  });
+}
+
+export function attachMindSpaceImageGenerationRoutes(
+  router,
+  { getService, requireInternal = null } = {},
+) {
+  router.post('/mindspace/v1/images/generate', async (req, res) => {
+    const service = getService?.();
+    return handleGenerate(req, res, {
+      service,
+      userId: req.currentUser.id,
+      consumerPrefix: 'mindspace',
+    });
+  });
+
+  if (requireInternal) {
+    router.post('/agent/mindspace_image_generate', async (req, res) => {
+      if (!requireInternal(req, res)) return;
+      const userId = String(req.body?.user_id ?? req.body?.userId ?? '').trim();
+      if (!userId) return res.status(400).json({ message: '缺少 user_id' });
+      return handleGenerate(req, res, {
+        service: getService?.(),
+        userId,
+        consumerPrefix: 'mindspace-agent',
+      });
+    });
+  }
 }