linux: add start script and fixes; diagnostic outputs

tests_notebook/diagnose_diagram.py

@@ -201,8 +201,13 @@ def test_api_direct():
     try:
         import requests
         
-        # Charger la requête
-        with open('request_r290.json', 'r') as f:
+        # Charger la requête (fichier à côté de ce script)
+        request_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'request_r290.json')
+        if not os.path.exists(request_path):
+            # Fallback: essayer dans le répertoire courant
+            request_path = 'request_r290.json'
+
+        with open(request_path, 'r') as f:
             request_data = json.load(f)
         
         # Appeler l'API