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Daily News Digest

> 实时演示 [conventions/](../conventions/) 中全部四条工程公约的完整集成： > - [state-file-pattern](../conventions/state-file-pattern.md) — STATE.md 跨运行状态 > - [control-flow-separation](../conventions/control-flow-separation.md) — 抓取用代码 / 摘要用 LLM > - [maker-checker](../conventions/maker-checker.md) — Checker 五维验证摘要质量 > - [error-compact-pattern](../conventions/error-compact-pattern.md) — 错误不炸上下文

工作流

Step 1: 读取状态（确定性）✅

从 STATE.md 读取上次运行状态和 idempotency keys。

Step 2: 抓取 RSS（确定性）✅

# 零 LLM 成本。只处理上次运行后新增的文章。
import feedparser

for url in RSS_SOURCES:
    feed = feedparser.parse(url)
    new = [entry for entry in feed.entries
           if entry.id not in state.get("idempotency_keys", [])]

Step 3: LLM 摘要（概率性）❌

# 每日限 5 篇，控制 token 开销。
for article in new[:5]:
    summary = await llm.complete(
        f"按三点总结，每条不超过20字：\n标题：{article.title}\n{article.description}"
    )

Step 4: Checker 验证（概率性）❌

独立 Agent 对摘要做五维评分，≥ 40/50 PASS。

Step 5: 更新状态（确定性）✅

state["progress"]["articles_summarized"] += len(passed)
state["idempotency_keys"].extend([a.id for a in processed])
atomic_write("STATE.md", state)  # 原子写入 + 文件锁

错误处理

# 按 error-compact-pattern 压缩错误
try:
    feed = feedparser.parse(url)
except Exception as e:
    compact = f"[STEP_FAILED] fetch_rss@{now}\n  Error: {type(e).__name__} - {str(e)[:80]}\n  Recoverable: YES (retry with backoff)"
    context.append(compact)

输出格式

# 新闻摘要 {YYYY-MM-DD}

## 📰 {article.title}
- {point 1}
- {point 2}
- {point 3}

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: Komagon
• Source: Komagon/hermes-production-patterns
• License: MIT

Install and usage instructions live in the source repository linked above.