Refactor captcha resolution endpoint to accept image_path directly and remove unused greeting endpoint

app.py

@@ -13,19 +13,13 @@ class Item(BaseModel):
 def greet_json():
     return {"Hello": "World!"}
 
-
-@app.get("/greet/{name}")
-def greet_name(name: str):
-    return {"Hello": name}
-
-
-@app.post("/resolve_captcha")
-def decode_captcha(item: Item):
+@app.get("/resolve_captcha")
+def decode_captcha(image_path: str):
     """
     Decode the captcha image and return the text.
     """
     try:
-        result = resolve_captcha(item.image_path)
+        result = resolve_captcha(image_path)
         return {"captcha_text": result}
     except Exception as e:
         return {"error": str(e)}