Add statistics and data-consistency menus, recently-added folder

CHANGELOG.md

@@ -21,13 +21,43 @@ Each version entry uses these sections (include only those that apply):
 
 ## Unreleased
 
+## 1.7.0 — 2026-07-02
+
 ### Added
+- **Nastavení → "Statistiky…"**: a library overview dialog — total movies, total
+  size, average ČSFD rating, with/without ČSFD link, untagged count, and a
+  per-category tag breakdown (counts sorted by frequency).
+  `FileManager.statistics()` aggregates it.
+- **Testy menu → "Kontrola konzistence dat…"**: compares the pool index against
+  the actual files in pool/Filmy and reports **metadata without a file** (movie
+  deleted directly) and **files without metadata** (dropped into the pool without
+  importing). Read-only diagnosis (`FileManager.check_data_consistency`).
+- **"- Nově přidané"** special folder in the Filmotéka: the **10** most recently
+  added movies as hardlinks (while **"- Tipy dne"** holds **15** random ones).
+  Import now records an **`added`** timestamp on each movie (`File.added`);
+  ordering falls back to the file's **mtime** for older items — not ctime, which
+  the hardlink generation itself bumps (`File.added_timestamp`,
+  `HardlinkManager.generate_recently_added`).
 - Standalone **`scripts/tipy_dne.py`** to regenerate the "Tipy dne" folder
   independently of the app (deployable on the server / cron): reads the pool
   index, picks N random movies (default 15), clears the tips folder and recreates
   the hardlinks. Stdlib only; paths via `--pool`/`--output` or the global config.
   Ships with a systemd oneshot `tipy-dne.service` + daily `tipy-dne.timer`.
 
+### Changed
+- **Special folders are prefixed with "- "** so DLNA/TV browsers sort them ahead
+  of the genre folders at the output root: the grouping roots (now `- Dle roku`,
+  `- Dle země původu`, `- Dle hodnocení`, …) plus `- Tipy dne` and `- Nově
+  přidané`. Genre folders stay at the root, listed after the special ones.
+
+### Fixed
+- Obsolete-link cleanup now also removes **orphan links** in the tag tree —
+  hardlinks pointing at an inode no longer in the pool (movie re-imported /
+  replaced) — not just links whose current pool inode moved. Within a managed
+  folder, any file that isn't an expected link is swept, so leftovers from a
+  renamed layout (e.g. an old unprefixed `Dle roku`) are cleaned up on the next
+  generation instead of lingering forever.
+
 ## 1.6.0 — 2026-06-16
 
 ### Added