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

scripts/show_stats.py

@@ -0,0 +1,39 @@
+import json
+from collections import defaultdict
+
+d = json.load(open(r'F:\seismic_webapp\inventory.json'))
+
+by_channel = defaultdict(lambda: {'data': 0, 'aux': 0, 'bumpers': set()})
+for f in d:
+    ch = f['channel'] or 'unknown'
+    if f['file_type'] == 'data':
+        by_channel[ch]['data'] += 1
+    else:
+        by_channel[ch]['aux'] += 1
+    if f['bumper_id']:
+        by_channel[ch]['bumpers'].add(f['bumper_id'])
+
+print('=== RESUME PAR CANAL ===')
+print('Canal     DATA   AUX  Bumpers')
+print('-' * 35)
+for ch in ['ch0', 'ch1', 'ch2', 'ch3', 'ch5', 'ch6', 'ch7', 'ch15', 'unknown']:
+    if ch in by_channel:
+        s = by_channel[ch]
+        total = s['data'] + s['aux']
+        print(f'{ch:8}  {s["data"]:4}  {s["aux"]:4}    {len(s["bumpers"]):3}')
+
+# Stats globales
+total_data = sum(s['data'] for s in by_channel.values())
+total_aux = sum(s['aux'] for s in by_channel.values())
+all_bumpers = set()
+for s in by_channel.values():
+    all_bumpers.update(s['bumpers'])
+
+print('-' * 35)
+print(f'TOTAL     {total_data:4}  {total_aux:4}    {len(all_bumpers):3}')
+
+errors = [f for f in d if f['error']]
+print(f'\nErreurs de lecture: {len(errors)} fichiers')
+if errors:
+    for e in errors[:5]:
+        print(f'  - {e["filename"][:50]}...')