fix: update workflow to use HuggingFace for PR description generation

.github/workflows/pr-description.yml

@@ -1,4 +1,4 @@
-name: 🤖 AI PR Description Commenter (100% Safe with jq)
+name: 🤖 AI PR Description with HuggingFace
 
 on:
   pull_request:
@@ -27,25 +27,21 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.GH_PERSONAL_TOKEN }}
 
-      - name: Generate PR Description with OpenAI (Safe JSON with jq)
+      - name: Generate PR Description with HuggingFace (DeepSeek)
         run: |
           REQUEST_BODY=$(jq -n \
-            --arg model "gpt-4o" \
-            --arg content "Given the following commit messages:\n\n${commits}\n\nGenerate a clear and professional pull request description." \
-            '{
-              model: $model,
-              messages: [{ role: "user", content: $content }]
-            }'
+            --arg inputs "Given the following commit messages:\n\n${commits}\n\nGenerate a clear and professional pull request description." \
+            '{ inputs: $inputs }'
           )
 
-          RESPONSE=$(curl -s https://api.openai.com/v1/chat/completions \
-            -H "Authorization: Bearer $OPENAI_API_KEY" \
+          RESPONSE=$(curl -s https://api-inference.huggingface.co/models/deepseek-ai/deepseek-coder-6.7b-instruct \
+            -H "Authorization: Bearer $HUGGINGFACE_API_KEY" \
             -H "Content-Type: application/json" \
             -d "$REQUEST_BODY")
 
-          DESCRIPTION=$(echo "$RESPONSE" | jq -r '.choices[0].message.content')
+          DESCRIPTION=$(echo "$RESPONSE" | jq -r '.[0].generated_text')
 
-          echo "---------- OpenAI Raw Response ----------"
+          echo "---------- HuggingFace Raw Response ----------"
           echo "$RESPONSE"
           echo "---------- Extracted Description ----------"
           echo "$DESCRIPTION"
@@ -54,7 +50,7 @@ jobs:
           echo "$DESCRIPTION" >> $GITHUB_ENV
           echo "EOF" >> $GITHUB_ENV
         env:
-          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          HUGGINGFACE_API_KEY: ${{ secrets.HUGGINGFACE_API_KEY }}
           commits: ${{ env.commits }}
 
       - name: Post AI Generated Description as Comment