feat(ui): redesign dashboard as global overview with stats, progress bar, recent activity

app/routers/web.py

@@ -148,20 +148,35 @@ def root(user: User = Depends(get_current_user_web)):
 @router.get("/dashboard", response_class=HTMLResponse)
 def dashboard(request: Request, user: User = Depends(get_current_user_web), db: Session = Depends(get_db)):
     profiles = db.query(Profile).filter(Profile.user_id == user.id).all()
-    stats = {}
-    extras = {}
+    all_cards = []
     for p in profiles:
-        cards = db.query(Postcard).filter(Postcard.profile_id == p.id).order_by(Postcard.created_at.desc()).all()
-        stats[p.id] = {
-            "total": len(cards),
-            "sent": sum(1 for c in cards if c.status == "sent"),
-            "delivered": sum(1 for c in cards if c.status == "delivered"),
-            "received": sum(1 for c in cards if c.status == "received"),
-        }
-        countries = sorted({c.country for c in cards if c.country})
-        recent = cards[:3]
-        extras[p.id] = {"countries": countries, "recent": recent}
-    return templates.TemplateResponse("dashboard.html", {"request": request, "user": user, "profiles": profiles, "stats": stats, "extras": extras})
+        cards = db.query(Postcard).filter(Postcard.profile_id == p.id).all()
+        all_cards.extend(cards)
+
+    total = len(all_cards)
+    sent = sum(1 for c in all_cards if c.status == "sent")
+    delivered = sum(1 for c in all_cards if c.status == "delivered")
+    received = sum(1 for c in all_cards if c.status == "received")
+    countries = len({c.country for c in all_cards if c.country})
+
+    # recent postcards across all profiles (last 8)
+    all_cards.sort(key=lambda c: c.created_at, reverse=True)
+    recent = all_cards[:8]
+
+    # status distribution for progress bar
+    if total > 0:
+        sent_pct = round(sent / total * 100)
+        delivered_pct = round(delivered / total * 100)
+        received_pct = round(received / total * 100)
+    else:
+        sent_pct = delivered_pct = received_pct = 0
+
+    return templates.TemplateResponse("dashboard.html", {
+        "request": request, "user": user, "profiles": profiles,
+        "total": total, "sent": sent, "delivered": delivered, "received": received,
+        "countries": countries, "recent": recent,
+        "sent_pct": sent_pct, "delivered_pct": delivered_pct, "received_pct": received_pct,
+    })
 
 
 # ---------- Profiles ----------