xumingming

Create long-form technical articles as standalone HTML files with clean typography, responsive design, and inline SVG diagrams. Optimized for blog posts, technical write-ups, and documentation. Light theme, mobile-friendly, copy-paste safe for rich-text editors.

Write Apache Spark JIRA tickets for optimizer rule proposals, execution improvements, or config additions. Produces structured descriptions with SQL examples and impact metrics.

Assess whether an upstream commit/PR can be cleanly cherry-picked into a fork. Checks for followup bug fixes, prerequisite commits, and actual merge conflicts. Produces a concrete cherry-pick plan or explains why one is not possible.