feat: stats corbeille dans le tableau de bord

Nouvelle stat box cliquable (→ /trash) affichant le nombre de fichiers,
la taille totale et la date du plus ancien fichier en corbeille.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/app.py

@@ -279,6 +279,25 @@ def _trash_count() -> int:
                if f.is_file() and not f.name.endswith(".trashinfo"))
 
 
+def _trash_stats() -> dict:
+    if not TRASH_ROOT.exists():
+        return {"files": 0, "size": 0, "oldest": None}
+    files, size, oldest = 0, 0, None
+    for f in TRASH_ROOT.rglob("*"):
+        if not f.is_file() or f.name.endswith(".trashinfo"):
+            continue
+        files += 1
+        size  += f.stat().st_size
+        info   = Path(str(f) + ".trashinfo")
+        try:
+            dt = datetime.fromisoformat(json.loads(info.read_text())["deleted_at"])
+            if oldest is None or dt < oldest:
+                oldest = dt
+        except Exception:
+            pass
+    return {"files": files, "size": size, "oldest": oldest}
+
+
 def _folder_stats(path: Path) -> dict:
     files, size = 0, 0
     for f in path.rglob("*"):
@@ -399,6 +418,7 @@ def dashboard():
         folders=folders,
         total_files=sum(v["files"] for v in folders.values()),
         total_size=sum(v["size"] for v in folders.values()),
+        trash=_trash_stats(),
         humansize=_humansize,
     )
 

app/static/app.css

@@ -51,6 +51,11 @@ main { max-width: 1100px; margin: 2rem auto; padding: 0 1.5rem 3rem; display: fl
 .stat-box { flex: 1; min-width: 160px; background: var(--blue-light); border-radius: 8px; padding: 1.2rem 1.5rem; }
 .stat-box .label { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .4rem; }
 .stat-box .value { font-size: 1.9rem; font-weight: 700; color: var(--blue-dark); line-height: 1; }
+.stat-box .stat-sub { font-size: .75rem; color: var(--muted); margin-top: .35rem; }
+.stat-box--trash { background: #fef2f2; text-decoration: none; transition: box-shadow .15s; cursor: pointer; }
+.stat-box--trash:hover { box-shadow: 0 4px 16px rgba(239,68,68,.18); text-decoration: none; }
+.stat-box--trash .label { color: #b91c1c; }
+.stat-box--trash .value { color: #991b1b; }
 
 /* ── Grille de dossiers ───────────────────────────────────────── */
 .folder-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 1rem; }

app/templates/dashboard.html

@@ -16,6 +16,15 @@
     <div class="label">Dossiers</div>
     <div class="value">{{ folders | length }}</div>
   </div>
+  <a href="{{ url_for('trash_list') }}" class="stat-box stat-box--trash">
+    <div class="label">Corbeille</div>
+    <div class="value">{{ trash.files }}</div>
+    <div class="stat-sub">{{ humansize(trash.size) }}
+      {% if trash.oldest %}
+        · depuis le {{ trash.oldest.strftime('%d/%m/%Y') }}
+      {% endif %}
+    </div>
+  </a>
 </div>
 
 <section class="card">