Add edit dialogs, library organizer, and TMDb pool migration

src/core/file.py

@@ -18,6 +18,9 @@ class File:
         self.date: str | None = None
         # movie-library fields
         self.title: str | None = None
+        # Optional ČSFD film URL — a second database pointer kept alongside the
+        # TMDb id (which lives in the filename). Stored only, not fetched.
+        self.csfd_url: str | None = None
         # ISO timestamp of when the movie was added to the pool (set on import);
         # None for older/unknown → falls back to the file's ctime.
         self.added: str | None = None
@@ -46,6 +49,7 @@ class File:
         self.tags = []
         self.date = None
         self.title = None
+        self.csfd_url = None
         self.meta = None
         self.auto_tag_paths = set()
         self.attributes = {}
@@ -62,6 +66,7 @@ class File:
             # date může být None
             "date": self.date,
             "title": self.title,
+            "csfd_url": self.csfd_url,
             "attributes": self.attributes,
             "added": self.added,
         }
@@ -75,6 +80,7 @@ class File:
         self.tags = []
         self.date = data.get("date", None)
         self.title = data.get("title", None)
+        self.csfd_url = data.get("csfd_url", None)
         # provenance of auto (NFO-derived) tags; legacy key "csfd_tags" honored
         self.auto_tag_paths = set(data.get("auto_tags", data.get("csfd_tags", [])))
         self.attributes = dict(data.get("attributes", {}))