diff --git a/backend/app/seo_pages.py b/backend/app/seo_pages.py
index 4666c26..9525afa 100644
--- a/backend/app/seo_pages.py
+++ b/backend/app/seo_pages.py
@@ -740,6 +740,19 @@ def llms_txt(db: Session = Depends(get_db)):
             contact_lines.append(f"- Office: {_clip(detail, 120)}")
     if contact_lines:
         lines += ["", "## Contact", *contact_lines]
+    # راهنمای دستیارهای AI: تصاویر هر پروژه به‌صورت آرشیو ZIP با manifest قابل دریافت است
+    project_count = db.query(models.Project).count()
+    if project_count:
+        lines += [
+            "",
+            "## Project images (machine-readable)",
+            f"- [{project_count} projects with image archives]"
+            f"({_absolute('/projects-images.json')}): JSON index — page URL, image count,"
+            " area, year and a ZIP download link for every project.",
+            f"- Per project: {_absolute('/projects/{slug}/images.zip')} — ZIP of that project's"
+            " photos plus manifest.json (specs, per-image captions). Replace {slug} with the"
+            " URL-encoded project slug from the index above.",
+        ]
     # llms.txt زنده از دیتابیس ساخته می‌شود — بدون کش تا همیشه تازه باشد
     return Response(
         content="\n".join(lines) + "\n",