test(hosted-file): add debug and E2E tests for hash-based download

tests/e2e/test_e2e_v3_hash_download.py

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+import requests
+
+# Configuration
+# The hash from your previous message
+FILE_HASH = "384fef832fa07b347a1d70927d0606b24cf41771202c1bfa00d7026764db2bb2"
+BASE_URL = f"https://dev-api.oneskyit.com/v3/action/hosted_file/hash/{FILE_HASH}/download"
+API_KEY = "PMM4n50teUCaOMMTN8qOJA"
+
+def test_hash_download_query_param():
+    print(f"--- Testing Hash Download via Query Param API Key ---")
+    
+    # Passing api_key in query string as requested
+    url = f"{BASE_URL}?api_key={API_KEY}"
+    
+    try:
+        response = requests.get(url)
+        print(f"Status: {response.status_code}")
+        
+        if response.status_code == 200:
+            print("✅ Success: File downloaded by hash!")
+            print(f"   Content-Length: {response.headers.get('Content-Length')}")
+            return True
+        else:
+            print(f"❌ Failed: {response.text}")
+            return False
+    except Exception as e:
+        print(f"💥 Exception: {e}")
+        return False
+
+def test_hash_download_header():
+    print(f"\n--- Testing Hash Download via Header API Key ---")
+    
+    headers = {"X-Aether-API-Key": API_KEY}
+    
+    try:
+        response = requests.get(BASE_URL, headers=headers)
+        print(f"Status: {response.status_code}")
+        
+        if response.status_code == 200:
+            print("✅ Success: File downloaded by hash via header!")
+            return True
+        else:
+            print(f"❌ Failed: {response.status_code}")
+            return False
+    except Exception as e:
+        print(f"💥 Exception: {e}")
+        return False
+
+if __name__ == "__main__":
+    s1 = test_hash_download_query_param()
+    s2 = test_hash_download_header()
+    if s1 and s2:
+        print("\n🎉 HASH DOWNLOAD TESTS PASSED!")