渲染错误: Mermaid 渲染失败: Parse error on line 5: ... string 角色(执行者/审核者/决策者) fl -----------------------^ Expecting 'BLOCK_STOP', 'ATTRIBUTE_WORD', 'ATTRIBUTE_KEY', 'COMMENT', got '/'

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from langchain_openai import ChatOpenAI
from langchain.prompts import PromptTemplate
from langchain_core.output_parsers import StrOutputParser
import uuid
from typing import Optional

app = FastAPI(title="团队AI协作平台")

# 模拟数据库存储任务
task_db = {}

# 加载团队自定义Prompt模板，提前沉淀团队的业务规则
prompt_templates = {
    "content_writing": PromptTemplate(
        input_variables=["topic", "brand_style", "word_count"],
        template="你是{brand_style}风格的内容创作者，请写一篇关于{topic}的文案，字数{word_count}，不能出现敏感词，符合品牌价值观。"
    ),
    "code_review": PromptTemplate(
        input_variables=["code", "language", "rule"],
        template="请审核以下{language}代码，检查是否符合{rule}规范，是否有安全漏洞，输出审核报告和修改建议：\n{code}"
    )
}

llm = ChatOpenAI(model="gpt-4o", temperature=0)
output_parser = StrOutputParser()

# 任务提交请求体
class TaskSubmitRequest(BaseModel):
    task_type: str
    requirement: dict
    creator: str
    priority: Optional[int] = 1

# 审核提交请求体
class AuditSubmitRequest(BaseModel):
    task_id: str
    audit_result: str # pass/modify/reject
    comment: Optional[str] = ""
    auditor: str

@app.post("/api/task/submit", summary="提交AI任务")
def submit_task(request: TaskSubmitRequest):
    if request.task_type not in prompt_templates:
        raise HTTPException(status_code=400, detail="不支持的任务类型")
    
    task_id = str(uuid.uuid4())
    # 调用AI生成内容
    prompt = prompt_templates[request.task_type].format(**request.requirement)
    ai_output = output_parser.parse(llm.invoke(prompt).content)
    
    task_info = {
        "task_id": task_id,
        "task_type": request.task_type,
        "requirement": request.requirement,
        "creator": request.creator,
        "ai_output": ai_output,
        "status": "waiting_audit",
        "audit_result": None,
        "auditor": None,
        "comment": None
    }
    task_db[task_id] = task_info
    return {"code": 0, "data": task_info}

@app.post("/api/task/audit", summary="提交审核结果")
def audit_task(request: AuditSubmitRequest):
    if request.task_id not in task_db:
        raise HTTPException(status_code=404, detail="任务不存在")
    
    task = task_db[request.task_id]
    task["status"] = "finished"
    task["audit_result"] = request.audit_result
    task["auditor"] = request.auditor
    task["comment"] = request.comment
    
    # 如果审核不通过，自动把修改意见加入Prompt模板的优化队列
    if request.audit_result == "reject" and request.comment:
        # 这里可以扩展自动优化Prompt模板的逻辑
        pass
    
    return {"code": 0, "data": task}

@app.get("/api/task/{task_id}", summary="获取任务详情")
def get_task(task_id: str):
    if task_id not in task_db:
        raise HTTPException(status_code=404, detail="任务不存在")
    return {"code": 0, "data": task_db[task_id]}

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=8000)

渲染错误: Mermaid 渲染失败: Parsing failed: Lexer error on line 2, column 11: unexpected character: ->前<- at offset: 28, skipped 3 characters. Lexer error on line 2, column 21: unexpected character: ->[<- at offset: 38, skipped 7 characters. Lexer error on line 3, column 17: unexpected character: ->飞<- at offset: 62, skipped 4 characters. Lexer error on line 3, column 29: unexpected character: ->[<- at offset: 74, skipped 9 characters. Lexer error on line 3, column 42: unexpected character: ->前<- at offset: 87, skipped 3 characters. Lexer error on line 4, column 17: unexpected character: ->网<- at offset: 107, skipped 3 characters. Lexer error on line 4, column 28: unexpected character: ->[<- at offset: 118, skipped 7 characters. Lexer error on line 4, column 39: unexpected character: ->前<- at offset: 129, skipped 3 characters. Lexer error on line 6, column 11: unexpected character: ->中<- at offset: 148, skipped 3 characters. Lexer error on line 6, column 21: unexpected character: ->[<- at offset: 158, skipped 7 characters. Lexer error on line 7, column 17: unexpected character: ->任<- at offset: 182, skipped 4 characters. Lexer error on line 7, column 29: unexpected character: ->[<- at offset: 194, skipped 8 characters. Lexer error on line 7, column 41: unexpected character: ->中<- at offset: 206, skipped 3 characters. Lexer error on line 8, column 23: unexpected character: ->管<- at offset: 232, skipped 2 characters. Lexer error on line 8, column 33: unexpected character: ->[<- at offset: 242, skipped 1 characters. Lexer error on line 8, column 40: unexpected character: ->管<- at offset: 249, skipped 5 characters. Lexer error on line 8, column 49: unexpected character: ->中<- at offset: 258, skipped 3 characters. Lexer error on line 9, column 17: unexpected character: ->权<- at offset: 278, skipped 4 characters. Lexer error on line 9, column 29: unexpected character: ->[<- at offset: 290, skipped 8 characters. Lexer error on line 9, column 41: unexpected character: ->中<- at offset: 302, skipped 3 characters. Lexer error on line 10, column 17: unexpected character: ->数<- at offset: 322, skipped 4 characters. Lexer error on line 10, column 29: unexpected character: ->[<- at offset: 334, skipped 8 characters. Lexer error on line 10, column 41: unexpected character: ->中<- at offset: 346, skipped 3 characters. Lexer error on line 12, column 13: unexpected character: ->能<- at offset: 367, skipped 3 characters. Lexer error on line 12, column 23: unexpected character: ->[<- at offset: 377, skipped 1 characters. Lexer error on line 12, column 26: unexpected character: ->能<- at offset: 380, skipped 4 characters. Lexer error on line 13, column 17: unexpected character: ->通<- at offset: 401, skipped 5 characters. Lexer error on line 13, column 30: unexpected character: ->[<- at offset: 414, skipped 1 characters. Lexer error on line 13, column 34: unexpected character: ->/<- at offset: 418, skipped 1 characters. Lexer error on line 13, column 41: unexpected character: ->/<- at offset: 425, skipped 7 characters. Lexer error on line 13, column 54: unexpected character: ->能<- at offset: 438, skipped 3 characters. Lexer error on line 14, column 17: unexpected character: ->行<- at offset: 458, skipped 2 characters. Lexer error on line 14, column 21: unexpected character: ->工<- at offset: 462, skipped 2 characters. Lexer error on line 14, column 31: unexpected character: ->[<- at offset: 472, skipped 1 characters. Lexer error on line 14, column 39: unexpected character: ->/<- at offset: 480, skipped 3 characters. Lexer error on line 14, column 44: unexpected character: ->/<- at offset: 485, skipped 3 characters. Lexer error on line 14, column 49: unexpected character: ->]<- at offset: 490, skipped 1 characters. Lexer error on line 14, column 56: unexpected character: ->能<- at offset: 497, skipped 3 characters. Lexer error on line 15, column 17: unexpected character: ->自<- at offset: 517, skipped 3 characters. Lexer error on line 15, column 33: unexpected character: ->[<- at offset: 533, skipped 5 characters. Lexer error on line 15, column 43: unexpected character: ->]<- at offset: 543, skipped 1 characters. Lexer error on line 15, column 50: unexpected character: ->能<- at offset: 550, skipped 3 characters. Lexer error on line 17, column 11: unexpected character: ->数<- at offset: 569, skipped 3 characters. Lexer error on line 17, column 21: unexpected character: ->[<- at offset: 579, skipped 5 characters. Lexer error on line 18, column 18: unexpected character: ->知<- at offset: 602, skipped 3 characters. Lexer error on line 18, column 31: unexpected character: ->[<- at offset: 615, skipped 7 characters. Lexer error on line 18, column 42: unexpected character: ->数<- at offset: 626, skipped 3 characters. Lexer error on line 19, column 18: unexpected character: ->业<- at offset: 647, skipped 5 characters. Lexer error on line 19, column 33: unexpected character: ->[<- at offset: 662, skipped 7 characters. Lexer error on line 19, column 44: unexpected character: ->数<- at offset: 673, skipped 3 characters. Lexer error on line 20, column 18: unexpected character: ->历<- at offset: 694, skipped 4 characters. Lexer error on line 20, column 32: unexpected character: ->[<- at offset: 708, skipped 8 characters. Lexer error on line 20, column 44: unexpected character: ->数<- at offset: 720, skipped 3 characters. Lexer error on line 22, column 5: unexpected character: ->飞<- at offset: 729, skipped 4 characters. Lexer error on line 22, column 18: unexpected character: ->任<- at offset: 742, skipped 4 characters. Lexer error on line 23, column 5: unexpected character: ->网<- at offset: 751, skipped 3 characters. Lexer error on line 23, column 17: unexpected character: ->任<- at offset: 763, skipped 4 characters. Lexer error on line 24, column 5: unexpected character: ->任<- at offset: 772, skipped 4 characters. Lexer error on line 24, column 18: unexpected character: ->通<- at offset: 785, skipped 5 characters. Lexer error on line 25, column 5: unexpected character: ->任<- at offset: 795, skipped 4 characters. Lexer error on line 25, column 18: unexpected character: ->行<- at offset: 808, skipped 2 characters. Lexer error on line 25, column 22: unexpected character: ->工<- at offset: 812, skipped 2 characters. Lexer error on line 26, column 5: unexpected character: ->任<- at offset: 819, skipped 4 characters. Lexer error on line 26, column 18: unexpected character: ->自<- at offset: 832, skipped 3 characters. Lexer error on line 27, column 11: unexpected character: ->管<- at offset: 851, skipped 2 characters. Lexer error on line 27, column 22: unexpected character: ->任<- at offset: 862, skipped 4 characters. Lexer error on line 28, column 5: unexpected character: ->权<- at offset: 871, skipped 4 characters. Lexer error on line 28, column 18: unexpected character: ->任<- at offset: 884, skipped 4 characters. Lexer error on line 29, column 5: unexpected character: ->数<- at offset: 893, skipped 4 characters. Lexer error on line 29, column 18: unexpected character: ->任<- at offset: 906, skipped 4 characters. Lexer error on line 30, column 5: unexpected character: ->知<- at offset: 915, skipped 3 characters. Lexer error on line 30, column 17: unexpected character: ->自<- at offset: 927, skipped 3 characters. Lexer error on line 31, column 5: unexpected character: ->业<- at offset: 940, skipped 5 characters. Lexer error on line 31, column 19: unexpected character: ->自<- at offset: 954, skipped 3 characters. Lexer error on line 32, column 5: unexpected character: ->历<- at offset: 967, skipped 4 characters. Lexer error on line 32, column 18: unexpected character: ->自<- at offset: 980, skipped 3 characters. Parse error on line 2, column 14: Expecting token of type 'ID' but found `(cloud)`. Parse error on line 3, column 21: Expecting token of type 'ID' but found `(server)`. Parse error on line 3, column 45: Expecting token of type 'ID' but found ` `. Parse error on line 4, column 20: Expecting token of type 'ID' but found `(server)`. Parse error on line 4, column 42: Expecting token of type 'ID' but found ` `. Parse error on line 6, column 14: Expecting token of type 'ID' but found `(cloud)`. Parse error on line 7, column 21: Expecting token of type 'ID' but found `(server)`. Parse error on line 7, column 44: Expecting token of type 'ID' but found ` `. Parse error on line 8, column 34: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'Prompt' Parse error on line 8, column 46: Expecting token of type ':' but found `in`. Parse error on line 9, column 21: Expecting token of type 'ID' but found `(server)`. Parse error on line 9, column 44: Expecting token of type 'ID' but found ` `. Parse error on line 10, column 21: Expecting token of type 'ID' but found `(server)`. Parse error on line 10, column 44: Expecting token of type 'ID' but found ` `. Parse error on line 12, column 24: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'AI' Parse error on line 12, column 30: Expecting token of type ':' but found ` `. Parse error on line 13, column 22: Expecting token of type 'ID' but found `(server)`. Parse error on line 13, column 31: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'GPT' Parse error on line 13, column 35: Expecting token of type ':' but found `Claude`. Parse error on line 13, column 49: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'in' Parse error on line 13, column 57: Expecting token of type ':' but found ` `. Parse error on line 14, column 32: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'Copilot' Parse error on line 14, column 42: Expecting token of type ':' but found `AI`. Parse error on line 14, column 47: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'AI' Parse error on line 14, column 51: Expecting token of type ':' but found `in`. Parse error on line 15, column 38: Expecting: one of these possible Token sequences: 1. [NEWLINE] 2. [EOF] but found: 'Agent' Parse error on line 15, column 45: Expecting token of type ':' but found `in`. Parse error on line 17, column 14: Expecting token of type 'ID' but found `(cloud)`. Parse error on line 18, column 21: Expecting token of type ':' but found `(database)`. Parse error on line 19, column 23: Expecting token of type ':' but found `(database)`. Parse error on line 20, column 22: Expecting token of type ':' but found `(database)`. Parse error on line 22, column 9: Expecting token of type 'EOF' but found `:`. Parse error on line 23, column 8: Expecting token of type 'EOF' but found `:`. Parse error on line 24, column 9: Expecting token of type 'EOF' but found `:`. Parse error on line 25, column 9: Expecting token of type 'EOF' but found `:`. Parse error on line 25, column 24: Expecting token of type ':' but found ` `. Parse error on line 27, column 26: Expecting token of type 'ID' but found ` `. Parse error on line 28, column 9: Expecting token of type 'EOF' but found `:`. Parse error on line 29, column 9: Expecting token of type 'EOF' but found `:`. Parse error on line 30, column 8: Expecting token of type 'EOF' but found `:`. Parse error on line 30, column 25: Expecting token of type ':' but found ` `. Parse error on line 32, column 9: Expecting token of type 'EOF' but found `:`. Parse error on line 32, column 26: Expecting token of type ':' but found ` `.