HITL、HOTL 和 HOOTL 工作流指南

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人机协同 (Human-in-the-Loop, HITL)

在 HITL 工作流中，AI 充当一个高级助理，无法在没有人类 检查点 的情况下完成任务。

何时使用

• 高风险的法律或医疗文档。
• 创意写作中“声音”和“细微差别”至关重要。
• 为生产系统生成代码。

示例

# HITL: Human reviews and approves/edits AI output before finalizing.
from google import genai
from dotenv import load_dotenv

load_dotenv(override=True)
client = genai.Client()
MODEL_NAME = "gemini-2.5-flash"

def hitl_press_release(topic):
    """Human‑in‑the‑Loop press‑release generator."""
    prompt = f"Write a short press release for: {topic}"
    ai_draft = client.models.generate_content(
        model=MODEL_NAME,
        contents=prompt
    ).text

    print("\n--- [ACTION REQUIRED] REVIEW AI DRAFT ---")
    print(ai_draft)

    feedback = input("\nWould you like to (1) Accept, (2) Rewrite, or (3) Edit manually? ")

    if feedback == "1":
        final_output = ai_draft
    elif feedback == "2":
        critique = input("What should the AI change? ")
        return hitl_press_release(f"{topic}. Note: {critique}")
    else:
        final_output = input("Paste your manually edited version here: ")

    print("\n[SUCCESS] Press release finalized and saved.")
    return final_output

hitl_press_release("Launch of a new sustainable coffee brand")

Source:

人机协同（HOTL）

在 HOTL 工作流中，AI 能自主且大规模运行，而人类只需监控 仪表盘，仅在 AI 偏离目标时进行干预。

何时使用

• 实时社交媒体内容审核。
• 实时客服聊天机器人。
• 监控工业物联网传感器。

示例

# HOTL: Human monitors AI decisions in real‑time and can veto.
from google import genai
from dotenv import load_dotenv
import time

load_dotenv(override=True)
client = genai.Client()
MODEL_NAME = "gemini-2.5-flash"

def hotl_support_monitor(tickets):
    print("System active. Monitoring AI actions... (Press Ctrl+C to PAUSE/VETO)")

    for i, ticket in enumerate(tickets):
        try:
            response = client.models.generate_content(
                model=MODEL_NAME,
                contents=f"Categorize this ticket (Billing/Tech/Sales): {ticket}"
            )
            category = response.text.strip()
            print(f"[Log {i+1}] Ticket: {ticket[:30]}... -> Action: Tagged as {category}")
            time.sleep(2)
        except KeyboardInterrupt:
            print(f"\n[VETO] Human supervisor has paused the system on ticket: {ticket}")
            action = input("Should we (C)ontinue or (S)kip this ticket? ")
            if action.lower() == 's':
                continue

tickets = ["My bill is too high", "The app keeps crashing", "How do I buy more?"]
hotl_support_monitor(tickets)

Human-out-of-the-Loop (HOOTL)

在 HOOTL 工作流中，AI 从头到尾处理整个过程。人工干预仅在事后发生（例如在审计或每周审查时）。这非常适合高容量、低风险的任务。

何时使用

• 垃圾邮件过滤。
• 翻译海量产品描述数据库。
• 基础数据清洗和格式化。

示例

# HOOTL: AI processes batch independently; human reviews final report.
from google import genai
from dotenv import load_dotenv

load_dotenv(override=True)
client = genai.Client()
MODEL_NAME = "gemini-2.5-flash"

def hootl_batch_processor(data_list):
    print(f"Starting HOOTL process: {len(data_list)} items to process.")
    final_report = []

    for item in data_list:
        response = client.models.generate_content(
            model=MODEL_NAME,
            contents=f"Extract key sentiment (Happy/Sad/Neutral): {item}"
        )
        final_report.append({"data": item, "sentiment": response.text.strip()})

    return final_report

reviews = ["Great food!", "Slow service", "Expensive but worth it"]
report = hootl_batch_processor(reviews)
print("Final Report:", report)

工作流比较