fix: S-tier prompt - hex to color name, blur UI text, remove watermarks

app/services/qwen.py

@@ -3,8 +3,11 @@
 import httpx
 import base64
 import json
+import logging
 from app.core.config import settings
 
+logger = logging.getLogger(__name__)
+
 async def analyze_with_qwen(screenshot_path: str) -> dict:
     """
     Analyze website screenshot using Qwen-VL API.
@@ -75,8 +78,8 @@ Extract key information to create a poster that VISUALLY REPRESENTS what this co
         result = response.json()
         # Qwen-VL은 답변이 result['answer']에 들어있음
         text = result.get("answer", "").strip()
-        print("[QWEN RAW RESPONSE]", result)
-        print("[QWEN ANSWER TEXT]", text)
+        logger.info("[QWEN RAW RESPONSE] %s", result)
+        logger.info("[QWEN ANSWER TEXT] %s", text)
 
     # 기존 JSON 파싱 로직 재사용
     if "```json" in text:
@@ -86,14 +89,14 @@ Extract key information to create a poster that VISUALLY REPRESENTS what this co
     text = text[text.find('{'):text.rfind('}')+1]
     try:
         analysis = json.loads(text)
-        print("[QWEN PARSED ANALYSIS]", analysis)
+        logger.info("[QWEN PARSED ANALYSIS] %s", analysis)
         return analysis
     except json.JSONDecodeError as e:
         text = text.replace("'", '"').replace('\n', ' ')
         try:
             analysis = json.loads(text)
-            print("[QWEN PARSED ANALYSIS - RETRY]", analysis)
+            logger.info("[QWEN PARSED ANALYSIS - RETRY] %s", analysis)
             return analysis
         except:
-            print("[QWEN PARSE ERROR]", text[:200])
+            logger.error("[QWEN PARSE ERROR] %s", text[:200])
             raise Exception(f"Failed to parse Qwen response as JSON: {text[:200]}")