Fix coverage: add /api/coverage route, remove stray gather code from loadCoverage

scripts/debug_inventory.py

@@ -0,0 +1,35 @@
+import json
+d = json.load(open(r'F:\seismic_webapp\inventory.json'))
+
+# Verifier quelques fichiers
+print("=== EXEMPLES DE FICHIERS ===")
+for f in d[:5]:
+    print(f"File: {f['filename']}")
+    print(f"  Bumper: {f['bumper_id']}, Channel: {f['channel']}")
+    print(f"  Samples: {f['samples']}, Epoch: {f['epoch_time']}")
+    print()
+
+# Compter les bumpers uniques
+bumpers = set(f['bumper_id'] for f in d if f['bumper_id'])
+print(f"Bumpers uniques: {len(bumpers)}")
+print(f"Liste: {sorted(bumpers, key=lambda x: int(x) if x and x.isdigit() else 999)[:30]}")
+
+# Verifier le probleme des samples
+print("\n=== FICHIERS AVEC GROS SAMPLES ===")
+big_files = [f for f in d if f['samples'] > 100000000]
+for f in big_files[:5]:
+    print(f"  {f['filename']}: {f['samples']} samples = {f['samples']/200/3600:.1f}h")
+
+# Stats par bumper
+from collections import defaultdict
+by_bumper = defaultdict(lambda: {'files': 0, 'channels': set()})
+for f in d:
+    if f['bumper_id']:
+        by_bumper[f['bumper_id']]['files'] += 1
+        if f['channel']:
+            by_bumper[f['bumper_id']]['channels'].add(f['channel'])
+
+print(f"\n=== PAR BUMPER (premiers 20) ===")
+for b in sorted(by_bumper.keys(), key=lambda x: int(x) if x.isdigit() else 999)[:20]:
+    s = by_bumper[b]
+    print(f"  b{b}: {s['files']} files, channels: {sorted(s['channels'])}")