diff --git a/vigilar/config.py b/vigilar/config.py
index 1739560..7da3cd1 100644
--- a/vigilar/config.py
+++ b/vigilar/config.py
@@ -20,6 +20,7 @@ from vigilar.constants import (
     DEFAULT_RETENTION_DAYS,
     DEFAULT_UPS_POLL_INTERVAL_S,
     DEFAULT_WEB_PORT,
+    CameraLocation,
 )
 
 # --- Camera Config ---
@@ -42,7 +43,7 @@ class CameraConfig(BaseModel):
     resolution_capture: list[int] = Field(default_factory=lambda: [1920, 1080])
     resolution_motion: list[int] = Field(default_factory=lambda: [640, 360])
     zones: list["CameraZone"] = Field(default_factory=list)
-    location: str = "INTERIOR"  # EXTERIOR | INTERIOR | TRANSITION
+    location: CameraLocation = CameraLocation.INTERIOR
 
 
 # --- Sensor Config ---
diff --git a/vigilar/detection/trainer.py b/vigilar/detection/trainer.py
index 51f32a0..28a8584 100644
--- a/vigilar/detection/trainer.py
+++ b/vigilar/detection/trainer.py
@@ -122,7 +122,9 @@ class PetTrainer:
                          epoch + 1, epochs, running_loss / len(loader), accuracy)
 
             if self._model_output_path.exists():
-                backup_path = self._model_output_path.with_suffix(".backup.pt")
+                backup_path = self._model_output_path.with_name(
+                    self._model_output_path.stem + "_backup.pt"
+                )
                 shutil.copy2(self._model_output_path, backup_path)
                 log.info("Backed up previous model to %s", backup_path)
 
diff --git a/vigilar/detection/wildlife.py b/vigilar/detection/wildlife.py
index 85fb175..f423721 100644
--- a/vigilar/detection/wildlife.py
+++ b/vigilar/detection/wildlife.py
@@ -1,6 +1,7 @@
 """Wildlife threat level classification."""
 
 from vigilar.config import WildlifeConfig
+from vigilar.constants import ThreatLevel
 from vigilar.detection.person import Detection
 
 
@@ -8,7 +9,7 @@ def classify_wildlife_threat(
     detection: Detection,
     config: WildlifeConfig,
     frame_area: int,
-) -> tuple[str, str]:
+) -> tuple[ThreatLevel, str]:
     """Classify a wildlife detection into threat level and species.
 
     Returns (threat_level, species_name).
@@ -18,11 +19,11 @@ def classify_wildlife_threat(
 
     # Direct COCO class mapping first
     if species in threat_map.predator:
-        return "PREDATOR", species
+        return ThreatLevel.PREDATOR, species
     if species in threat_map.nuisance:
-        return "NUISANCE", species
+        return ThreatLevel.NUISANCE, species
     if species in threat_map.passive:
-        return "PASSIVE", species
+        return ThreatLevel.PASSIVE, species
 
     # Fallback to size heuristics for unknown species
     _, _, w, h = detection.bbox
@@ -31,8 +32,8 @@ def classify_wildlife_threat(
 
     heuristics = config.size_heuristics
     if area_ratio < heuristics.small:
-        return "NUISANCE", species
+        return ThreatLevel.NUISANCE, species
     elif area_ratio < heuristics.medium:
-        return "PREDATOR", species
+        return ThreatLevel.PREDATOR, species
     else:
-        return "PASSIVE", species
+        return ThreatLevel.PASSIVE, species
diff --git a/vigilar/health/digest.py b/vigilar/health/digest.py
index 38ed016..034c486 100644
--- a/vigilar/health/digest.py
+++ b/vigilar/health/digest.py
@@ -36,6 +36,8 @@ def build_digest(engine: Engine, data_dir: str, since_hours: int = 12) -> dict:
             .where(recordings.c.started_at >= since_ts // 1000)
         ).scalar() or 0
 
+        # pet_sightings/wildlife_sightings use float seconds (time.time()),
+        # while events table uses integer milliseconds (time.time() * 1000)
         pet_count = conn.execute(
             select(func.count()).select_from(pet_sightings)
             .where(pet_sightings.c.ts >= since_ts / 1000)
diff --git a/vigilar/web/blueprints/pets.py b/vigilar/web/blueprints/pets.py
index 6daf0ac..3d94db1 100644
--- a/vigilar/web/blueprints/pets.py
+++ b/vigilar/web/blueprints/pets.py
@@ -58,13 +58,20 @@ def pet_status():
 
     from vigilar.storage.queries import get_all_pets, get_pet_last_location
     pets_list = get_all_pets(engine)
+    now = time.time()
     result = []
     for pet in pets_list:
         last = get_pet_last_location(engine, pet["id"])
+        if last:
+            last_seen_ago = now - last["ts"]
+            status = "safe" if last_seen_ago < 300 else "unknown"  # seen in last 5 min
+        else:
+            status = "unknown"
         result.append({
             **pet,
             "last_seen_ts": last["ts"] if last else None,
             "last_camera": last["camera_id"] if last else None,
+            "status": status,
         })
     return jsonify({"pets": result})
 
diff --git a/vigilar/web/templates/pets/dashboard.html b/vigilar/web/templates/pets/dashboard.html
index ef89123..7b24bdb 100644
--- a/vigilar/web/templates/pets/dashboard.html
+++ b/vigilar/web/templates/pets/dashboard.html
@@ -392,10 +392,10 @@
 
     function submitLabel(petId) {
         if (!pendingLabelCropId) return;
-        fetch('/pets/api/label', {
+        fetch(`/pets/${pendingLabelCropId}/label`, {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ crop_id: pendingLabelCropId, pet_id: petId }),
+            body: JSON.stringify({ sighting_id: pendingLabelCropId, pet_id: petId }),
         }).finally(() => {
             bootstrap.Modal.getOrCreateInstance(document.getElementById('labelModal')).hide();
             loadUnlabeled();