update

backend/paths.py

@@ -1,6 +1,6 @@
 from pathlib import Path
 
-from config import STORAGE_DIR
+from config import STORAGE_DIR, PROJECTS_DIR, PROJECTS_CACHE_DIR
 
 
 def safe_basename(topic: str, format_name: str) -> str:
@@ -15,3 +15,11 @@ def final_paths(topic: str, format_name: str) -> tuple[Path, Path]:
 
 def temp_paths(guide_id: str) -> tuple[Path, Path]:
     return STORAGE_DIR / "html" / f"{guide_id}.tmp.html", STORAGE_DIR / "pdf" / f"{guide_id}.tmp.pdf"
+
+
+def project_dir(name: str) -> Path:
+    return PROJECTS_DIR / name
+
+
+def project_cache_path(name: str) -> Path:
+    return PROJECTS_CACHE_DIR / f"{name}.md"