productivity▌

Structured product requirements documents with problem statements, user stories, and success metrics. \n \n Guides PRD structure across eight sections: problem statement, goals, non-goals, user stories, requirements (P0/P1/P2), success metrics, open questions, and timeline considerations \n Provides frameworks for user story writing, MoSCoW requirement prioritization, and acceptance criteria in Given/When/Then format \n Includes guidance on defining leading and lagging success metrics with speci

Systematically identify, categorize, and prioritize technical debt.

Publish articles to Toutiao with persistent login and browser-based publishing. \n \n One-time QR code login with automatic session persistence; subsequent publishes use saved credentials without re-authentication \n Interactive publishing mode opens authenticated browser directly to the publish page, or fully automated mode via command-line arguments (title, content file, cover image) \n Automatic title optimization to meet Toutiao's 2–30 character requirement; truncates or pads as needed \n Se

Comprehensive PostgreSQL database engineering covering indexing, query optimization, replication, and production management. \n \n Covers 6 index types (B-tree, Hash, GiST, GIN, BRIN, SP-GiST) with decision matrices for choosing the right index for specific query patterns \n Includes streaming and logical replication setup, failover procedures, and high-availability configuration with synchronous/asynchronous modes \n Provides partitioning strategies (range, list, hash) with automation examples

Create a structured interview script that surfaces real insights, not just opinions. Follows "The Mom Test" principles — ask about their life, not your idea.

Plan and execute Convex schema migrations safely with zero-downtime data transformations. \n \n Covers safe additive changes (optional fields, new tables, indexes) that require no migration code, and breaking changes (required fields, type changes, renames) that need custom migration functions \n Provides patterns for batch processing, scheduled migrations via cron jobs, and dual-write strategies to maintain app availability during transitions \n Includes complete examples for common scenarios:

Swift Concurrency review and remediation for Swift 6.2+ codebases. \n \n Diagnoses and fixes actor isolation, Sendable safety, and data-race warnings through targeted edits that preserve existing behavior \n Applies minimal, concrete fixes: @MainActor annotations, actor isolation, Sendable conformance, and completion-handler-to-async/await migrations \n Triages compiler diagnostics by checking project concurrency settings, actor context, and whether code is UI-bound or background work \n Verifie

Create and maintain minimal, high-signal agent documentation under 60 lines. \n \n Enforces research-backed best practices for agent-facing docs; instruction quality degrades with length \n Requires three core sections: Package Manager, File-Scoped Commands (per-file test/lint/typecheck), and Commit Attribution with agent identity \n Analyzes project structure (lock files, linter configs, CI commands, monorepo indicators) to determine what belongs in the file \n Uses headers and bullets only; re

Write correct, performant SQL across all major data warehouse dialects. \n \n Covers five major dialects: PostgreSQL, Snowflake, BigQuery, Redshift, and Databricks with dialect-specific syntax for date/time, string functions, arrays, and JSON handling \n Includes common analytical patterns: window functions, CTEs, cohort retention, funnel analysis, and deduplication with ready-to-use examples \n Provides performance optimization tips per dialect, such as clustering keys in Snowflake, partition p

Complete App Store Optimization toolkit for researching, optimizing, and tracking mobile app performance across Apple App Store and Google Play Store. \n \n Covers keyword research, competitor analysis, metadata optimization (titles, descriptions, keywords), and visual asset strategies with platform-specific character limit validation \n Includes review sentiment analysis, rating improvement tactics, and A/B testing frameworks for continuous conversion optimization \n Provides ASO health scoring