Update AI extension checker URL

Author: lassoan

.github/workflows/extension-ai-analysis.yml

@@ -70,7 +70,7 @@ jobs:
 
       - name: Run AI analysis
         env:
-          NEBULA_API_KEY: ${{ secrets.NEBULA_API_KEY }}
+          MEGANOVA_API_KEY: ${{ secrets.MEGANOVA_API_KEY }}
         id: ai-analysis
         run: |
           RESULT=$(python scripts/extension_ai_analysis.py \

scripts/extension_ai_analysis.py

@@ -15,14 +15,17 @@
 import subprocess
 import shutil
 
-# Use Nebula Block API endpoint for chat completions.
+# Use MegaNova API endpoint for chat completions.
 # It offers capable models for free with an OpenAI-compatible API.
-INFERENCE_URL = "https://inference.nebulablock.com/v1/chat/completions"
+INFERENCE_URL = "https://inference.meganova.ai/v1/chat/completions"
 INFERENCE_MODEL = "mistralai/Mistral-Small-3.2-24B-Instruct-2506"
 INFERENCE_RESPONSE_PER_MINUTE_LIMIT = 4 #  slow down to not exceed token per minute (tpm) limit of 60k
-INFERENCE_API_KEY = os.getenv("NEBULA_API_KEY")
+INFERENCE_API_KEY = os.getenv("MEGANOVA_API_KEY")
 INFERENCE_MAX_CHARACTERS = 100000  # max characters in all files provided to the model, approximately 25k tokens (limit is 32k)
 
+if not INFERENCE_API_KEY:
+    raise ValueError("MEGANOVA_API_KEY environment variable is not set. Please set it before running the script.")
+
 QUESTIONS = [
     ["Is there a EXTENSION_DESCRIPTION variable in the CMakeLists.txt file that describes what the extension does in a few sentences that can be understood by a person knowledgeable in medical image computing?", ["cmake"]],
     ["Does the README.md file contain a short description, 1-2 sentences, which summarizes what the extension is usable for?", ["doc"]],
@@ -238,6 +241,8 @@ def main():
 
     print("AI analysis of 3D Slicer extensions\n")
 
+    print(f"INFERENCE_API_KEY: {INFERENCE_API_KEY[0:4]}...{INFERENCE_API_KEY[-1:]}")
+
     success = True
 
     for file_path in args.extension_description_files: