Fix PDF export to honor section page variants

server/app/api/routes/sessions.py

@@ -337,9 +337,9 @@ def export_pdf(
     session = store.get_session(session_id)
     if not session:
         raise HTTPException(status_code=404, detail="Session not found.")
-    pages = store.ensure_pages(session)
+    sections = store.ensure_sections(session)
     export_path = Path(store.session_dir(session_id)) / "export.pdf"
-    render_report_pdf(store, session, pages, export_path)
+    render_report_pdf(store, session, sections, export_path)
     return FileResponse(
         export_path,
         media_type="application/pdf",

server/app/services/pdf_reportlab.py

@@ -215,7 +215,7 @@ def _draw_image_fit(
 def render_report_pdf(
     store: SessionStore,
     session: dict,
-    pages: List[dict],
+    sections_or_pages: List[dict],
     output_path: Path,
 ) -> Path:
     width, height = A4
@@ -260,29 +260,47 @@ def render_report_pdf(
     uploads = (session.get("uploads") or {}).get("photos") or []
     by_id = {item.get("id"): item for item in uploads if item.get("id")}
 
+    sections: List[dict]
+    if sections_or_pages and isinstance(sections_or_pages[0], dict) and "pages" in sections_or_pages[0]:
+        sections = sections_or_pages
+    else:
+        sections = [{"id": "section-1", "title": "Section 1", "pages": sections_or_pages or []}]
+
     print_pages: List[dict] = []
-    for page_index, page in enumerate(pages):
-        template = page.get("template") or {}
-        photo_ids = page.get("photo_ids") or []
-        photo_entries = []
-        for pid in photo_ids:
-            item = by_id.get(pid)
-            if not item:
-                continue
-            path = store.resolve_upload_path(session, pid)
-            if path and path.exists():
-                label = _safe_text(item.get("name") or path.name)
-                photo_entries.append({"path": path, "label": label})
-        chunks = _chunk(photo_entries, max_photos_per_page) or [[]]
-        for chunk_index, chunk in enumerate(chunks):
-            print_pages.append(
-                {
-                    "page_index": page_index,
-                    "template": template,
-                    "photos": chunk,
-                    "variant": "full" if chunk_index == 0 else "photos",
-                }
+    for section_index, section in enumerate(sections):
+        section_pages = section.get("pages") or []
+        for page_index, page in enumerate(section_pages):
+            template = page.get("template") or {}
+            base_variant = (
+                (page.get("variant") or "").strip().lower() if isinstance(page, dict) else ""
             )
+            if base_variant not in ("full", "photos"):
+                base_variant = "full" if page_index == 0 else "photos"
+            photo_ids = page.get("photo_ids") or []
+            photo_entries = []
+            for pid in photo_ids:
+                item = by_id.get(pid)
+                if not item:
+                    continue
+                path = store.resolve_upload_path(session, pid)
+                if path and path.exists():
+                    label = _safe_text(item.get("name") or path.name)
+                    photo_entries.append({"path": path, "label": label})
+            chunks = _chunk(photo_entries, max_photos_per_page) or [[]]
+            for chunk_index, chunk in enumerate(chunks):
+                if base_variant == "photos":
+                    variant = "photos"
+                else:
+                    variant = "full" if chunk_index == 0 else "photos"
+                print_pages.append(
+                    {
+                        "page_index": page_index,
+                        "template": template,
+                        "photos": chunk,
+                        "variant": variant,
+                        "section_index": section_index,
+                    }
+                )
 
     if not print_pages:
         print_pages = [