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Database normalization for CSV files. Analyzes data structure, detects functional dependencies, and decomposes into normalized tables (1NF-BCNF). Outputs multiple CSV files, SQL DDL, and Mermaid ERD. Use when: (1) converting flat CSV data into relational database schema, (2) reducing data redundancy, (3) preparing denormalized exports for database import, (4) user mentions "normalize", "1NF/2NF/3NF/BCNF", "functional dependencies", or "database design".

This skill should be used when the user asks to "create mermaid diagram", "add visuals to slides", "suggest stock photos", "generate AI image prompts", "create diagram for presentation", "design visual theme", or needs guidance on diagram types, color palettes, image selection, or AI image generation prompting for presentations.

Documentation Keeper - maintains vault and registry accuracy

Turn the model into a SQLAlchemy-focused Python coding agent for designing models, writing queries, debugging database issues, and integrating SQLAlchemy with Alembic and FastAPI in new or existing Python projects.

计算股票技术指标（MA、MACD、RSI、BOLL等）。适用于技术分析、量化回测、趋势判断等场景。支持单个指标计算或批量计算所有指标，返回包含指标值的DataFrame。

Manage Google Workspace with Docs, Sheets, Slides, Drive, Gmail, Calendar, and Contacts operations. Full document/spreadsheet/presentation editing, file management, email, and scheduling.

Create emotionally compelling murder mystery narratives using Danpyeonsun methodology and K-drama storytelling principles. Designs 3-act dramatic structures, complex morally-gray characters, bittersweet endings, and scene-by-scene emotional beats. Use when writing scenarios for detective games, designing murder mystery plots, or creating K-drama style narratives with moral complexity.

Hook creation and management system for React, Vue, and other frameworks with automated hook generation, testing, and documentation.

Default testing standard for all implementation work - ensures code actually works through mandatory execution validation before confirming to user. Applies automatically whenever writing, modifying, debugging, or implementing any code (scripts, APIs, UI, configs, data operations, logic changes). This is the baseline expectation, not an optional extra - every implementation must be verified through actual execution, not assumed correct.

Use Codex CLI for web search, code review, and writing review. Triggers on (1) web search requests, (2) code review of git changes, (3) writing/file review. Use for "search the web for...", "review this code", "review my changes", "review this file".

Bump project versions across configs, docs, and changelog using git-workspace-review context.

Use when creating or editing marimo reactive Python notebooks. Covers cell structure, UI elements (mo.ui), reactivity, SQL integration, markdown, and deployment as apps. Triggers on .py notebook creation, marimo edit/run commands, reactive notebook development, or interactive data exploration. Extends python-development skill.

Use when you have a spec or requirements for a multi-step task, before touching code

Identifies technical, timeline, and dependency risks with mitigation strategies. Use when reviewing plans or implementations to catch potential issues early before they become problems.

Supabase database query patterns, RLS policies, migration records, and nested join patterns. Use this skill when writing database queries, understanding RLS behavior, debugging query errors, or implementing new migrations.

Maintain skills wiki health - check links, naming, cross-references, and coverage

Use when the user asks to "refactor shell script", "fix bash style", "apply Google style guide to shell", "review shell script style", "format bash script", or when writing, reviewing, or refactoring shell/bash scripts. Provides Google Shell Style Guide rules for formatting, quoting, naming, control flow, and common anti-patterns.

Эксперт по документам с руководящими принципами бренда. Используй для создания brand books, style guides, visual standards и brand identity documentation.

Dive into the Highrise Studio Lua API docs and answer questions.

Generate and review documentation for competition organizers using Diataxis framework. Use when writing docs for organizer workflows like creating competitions, managing divisions, scheduling heats, handling registrations, entering results, or managing volunteers/judges.