feat（新功能）: 项目信息提取/生成接口

fix（修复bug）:
docs（文档变更）:
refactor（重构）:
test(增加测试):

app/service/project_info_extraction/service_generate_brand_info.py

@@ -0,0 +1,47 @@
+from langchain.output_parsers import ResponseSchema, StructuredOutputParser
+from langchain_community.chat_models import ChatTongyi
+from langchain_core.prompts import PromptTemplate
+
+from app.schemas.project_info_extraction import ProjectInfoExtractionModel
+
+
+class ProjectInfoExtraction:
+    def __init__(self, request_data):
+        # llm generate brand info init
+        self.model = ChatTongyi(model="qwen2.5-14b-instruct", api_key="sk-7658298c6b99443c98184a5e634fe6ab")
+
+        self.response_schemas = [
+            ResponseSchema(name="project_name", description="project name."),
+            ResponseSchema(name="role", description="The target role of the project."),
+            ResponseSchema(name="gender", description="The gender targeted by the project."),
+            ResponseSchema(name="style", description="Project style.")
+        ]
+        self.output_parser = StructuredOutputParser.from_response_schemas(self.response_schemas)
+        self.format_instructions = self.output_parser.get_format_instructions()
+        self.prompt = PromptTemplate(
+            template="你是一个时装品牌的设计师助理。根据用户输入提取出project_name,role ,gender ,style ."
+                     "gender部分请用以下:menswear,womenswear,childrenwear,如果全部都适用即all."
+                     "如果没有以上内容，需要你根据用户输入随意发挥.\n{format_instructions}\n{question}",
+            input_variables=["question"],
+            partial_variables={"format_instructions": self.format_instructions}
+        )
+        self._input = self.prompt.format_prompt(question=request_data.prompt)
+
+        self.result_data = {}
+
+    def get_result(self):
+        self.llm_extraction_project_info()
+        return self.result_data
+
+    def llm_extraction_project_info(self):
+        output = self.model(self._input.to_messages())
+        project_info = self.output_parser.parse(output.content)
+        self.result_data = project_info
+
+
+if __name__ == '__main__':
+    request_data = ProjectInfoExtractionModel(
+        prompt="海边派对主题的系列设计"
+    )
+    service = ProjectInfoExtraction(request_data)
+    print(service.get_result())