Add article summarization via external API integration

Introduced a new `summarize_to_words` function to summarize articles using an external API. Integrated it into `smd_detail_article` to return summarized article content instead of the full text. Updated header key capitalization for consistency.

src/phoenix_technologies/smd/server.py

@@ -26,18 +26,47 @@ logger = logging.getLogger(__name__)
 # Initialize FastMCP server
 mcp = FastMCP("SMD Researcher", host="0.0.0.0", port=8000, timeout_keep_alive=720)
 
+async def summarize_to_words(article: dict, target_word_count: int = 1000) -> str:
+    url = f"https://maas.ai-2.kvant.cloud/engines/{os.getenv('SWISSDOX_SUMMARIZING_MODEL', '')}/chat/completions"
+    headers = {
+        "x-litellm-api-key": f"Bearer {os.getenv('SWISSDOX_SUMMARIZING_MODEL_APIKEY', '')}",
+        "Content-type": "application/json",
+    }
+    payload = {
+        "model": {os.getenv('SWISSDOX_SUMMARIZING_MODEL', '')},
+        "messages": [
+            {
+                "role": "text summarizer",
+                "content": f"You are summarizing the user input to a maximum of {target_word_count}"
+            },
+            {
+                "role": "user",
+                "content": f"{str(article)}"
+            }
+        ]
+    }
+
+    async with aiohttp.ClientSession() as session:
+        async with session.post(url, headers=headers, json=payload) as response:
+            if response.status == 200:
+                return await response.json()
+            else:
+                return await response.text()
+
 async def smd_detail_article(article_id):
     url = f"https://api.swissdox.ch/api/documents/{article_id}"
     headers = {
-        "authorization": f"Bearer {os.getenv('SWISSDOX_BEARER_TOKEN', '')}",
+        "Authorization": f"Bearer {os.getenv('SWISSDOX_BEARER_TOKEN', '')}",
-        "content-type": "application/json",
+        "Content-type": "application/json",
     }
     payload = {"filters": [], "pagination": {"pageSize": 1, "currentPage": 1}}
 
     async with aiohttp.ClientSession() as session:
         async with session.post(url, headers=headers, json=payload) as response:
             if response.status == 200:
-                return await response.json()  # JSON asynchron lesen
+                data = await response.json()
+                summarized_content = await summarize_to_words(data, target_word_count=10000)
+                return summarized_content
             else:
                 return {
                     "message": await response.text(),