## 🔍 Key Insights AI engineering is rapidly evolving from **prompt engineering** to deeper layers of **framework engineering** and **context engineering**. Standardization of **Agent Harness** and **vertical-domain workflow reengineering** have become pivotal for practical deployment. **DeepSeek** has entered the programming-agent market with a 'Mixue Bingcheng'-style low-cost strategy—directly targeting **Claude Code** as its benchmark [2][6][7][2]. ## 🚀 Key Updates - **5 Patterns for Building Long-Running AI Agents** [0]: Covers checkpointing & recovery, delegation & approval, hierarchical memory contexts, background processing, and cluster orchestration. - **A Hierarchical Understanding of the Three Core Concepts in AI Engineering** [1]: Clarifies the evolutionary relationship and practical boundaries among **prompt engineering**, **context engineering**, and **framework engineering**. - **DeepSeek Permanently Lowers V4-Pro Pricing—Aiming to Build China's Answer to Claude Code** [2]: Dual-driven by low-cost APIs and purpose-built programming-agent tools, reshaping the AI coding market landscape. - **Clear Division of Labor in the Agent Ecosystem: Model Companies Focus on Harness; Vertical Domains Win with Applications** [6]: Bao Yu notes that building custom Harness offers limited value—the real opportunity lies in redesigning AI-native workflows and enabling Human-in-the-Loop interaction. - **Minimal Agent Harness Skeleton Released** [7]: Defines five core, reproducible, traceable, and evaluable modules: **Task**, **Environment**, **Tools**, **Trace**, and **Grader**. - **Feishu Officially Supports Markdown Export** [11]: Bridges seamlessly with knowledge-management tools like Obsidian—significantly enhancing compatibility with AI-native workflows. - **AI Can Write Code—So Why Can't You Ship a Product?** [9]: Real-world practitioners reveal that AI amplifies the demand for **requirements understanding**, **testing rigor**, and **productization capability**—not just code generation. - **One-Click Generation of WeChat Official Account / Xiaohongshu Cover Previews Using PPT Skill** [10]: Expands the frontier of AI content creation—supporting end-to-end flow from document → 3:4 image collage → auto-screenshot matching. ## 🔗 Sources [0] 5 Patterns for Building Long-Running AI Agents — https://www.bestblogs.dev/status/2059039832895332673?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item [1] The Three Core Concepts in AI Engineering: A Hierarchical Understanding of Prompt Engineering, Context Engineering, and Framework Engineering — https://www.bestblogs.dev/status/2059038343758062050?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item [2] DeepSeek Adopts Mixue Bingcheng's Strategy to Build China's Claude Code — https://www.bestblogs.dev/article/5e68673c?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item [6] Division of Labor in the Agent Ecosystem: Model Companies Build Harness; Vertical Domains Build Applications — https://www.bestblogs.dev/status/2058929615058477106?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item [7] I've Compiled a Minimal Version of Agent Harness! — https://www.bestblogs.dev/article/343ed7b5?utm_source=rss&utm_medium=feed&utm_campaign=resources&entry=rss_article_item [9] AI Can Write Code—So Why Can't You Ship a Product? — https://www.bestblogs.dev/podcast