fix: remove double authenticate, remove debug print, fix display date

src/snapshot_downloader.py

@@ -190,7 +190,6 @@ class SnapshotDownloader:
             async with session.get(url, headers=headers, timeout=30) as response:
                 response.raise_for_status()
                 data = await response.json()
-                print(data.get("posts", []))
                 # Log API response summary
                 posts_count = len(data.get("posts", []))
                 has_cursor = bool(data.get("cursor"))
@@ -631,9 +630,6 @@ class SnapshotDownloader:
         async with aiohttp.ClientSession(
             connector=connector, timeout=timeout
         ) as session:
-            # Authenticate session for media downloads
-            await self.authenticate()
-
             for index, snapshot in enumerate(snapshots):
                 snapshot_html = await self.format_snapshot_html(snapshot, session, index)
                 snapshots_html += snapshot_html
@@ -1028,14 +1024,16 @@ class SnapshotDownloader:
         """
         date_to = datetime.now().strftime("%Y-%m-%d")
 
+        # Resolve date_from to a concrete value (used for HTML page title)
+        if date_from is None:
+            date_from = (datetime.now() - timedelta(days=365)).strftime("%Y-%m-%d")
+
         # Determine fetch window start
         last_run_date = self.load_last_run_date()
         if last_run_date:
             fetch_from = last_run_date
             self.logger.info(f"Incremental run: fetching from {fetch_from}")
         else:
-            if date_from is None:
-                date_from = (datetime.now() - timedelta(days=365)).strftime("%Y-%m-%d")
             fetch_from = date_from
             self.logger.info(f"First run: fetching all snapshots from {fetch_from}")
 
@@ -1069,7 +1067,7 @@ class SnapshotDownloader:
 
         # Persist updated cache and state
         self.save_snapshot_cache(merged)
-        html_file = await self.generate_html_file(merged, date_from or fetch_from, date_to)
+        html_file = await self.generate_html_file(merged, date_from, date_to)
         self.save_last_run_date(date_to)
 
         self.print_statistics()