alternative pk load

.gitignore

@@ -19,3 +19,4 @@ agent-mAId/output.wav
 .node-persist/storage/*
 logs/*
 crypto/sol/.env.secret
+crypto/sol/secret.pk

crypto/sol/app.py

@@ -41,6 +41,18 @@ load_dotenv()
 # Load secret environment variables
 load_dotenv('.env.secret')
 pk = os.getenv("PK")
+if not pk:
+    try:
+        with open('./secret.pk', 'r') as f:
+            pk = f.read().strip()
+        if pk:
+            logging.info("Private key loaded successfully from file.")
+        else:
+            logging.warning("Private key file is empty.")
+    except FileNotFoundError:
+        logging.warning("Private key file not found.")
+    except Exception as e:
+        logging.error(f"Error reading private key file: {str(e)}")
 if not pk
     logging.error("Private key not found in environment variables. Will not be able to sign transactions.")