systematic-debugging
Systematic Debugging
Overview
Random fixes waste time and create new bugs. Quick patches mask underlying issues.
Core principle: ALWAYS find root cause before attempting fixes. Symptom fixes are failure.
The Iron Law
NO FIXES WITHOUT ROOT CAUSE INVESTIGATION FIRST
If you haven't completed Phase 1, you cannot propose fixes.
When to Use
Use for ANY technical issue:
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Write high-quality Vue 3 composables following established patterns and best practices. Use when creating new composables, refactoring existing ones, or reviewing composable code. Triggers include requests to "create a composable", "write a use* function", "extract logic into a composable", or any Vue Composition API reusable logic task.
23product-planning
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19vitest-mocking
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15add-exercises
Add new exercises to the workout tracker database. Use when asked to add exercises, expand the exercise library, or check what exercises exist. Triggers include "add exercise", "new exercise", "exercise database", "what exercises", "missing exercises", "expand exercises".
12repository-pattern
Create and manage Dexie/IndexedDB repositories with type-safe interfaces, converters, and standardized CRUD operations. Use when (1) adding entity storage, (2) implementing save/load/delete operations, (3) designing database schema and indexes, (4) converting between database (Db*) and domain types, (5) handling database errors or migrations, (6) using existing repositories (SettingsRepository, WorkoutsRepository, TemplatesRepository, CustomExercisesRepository, BenchmarksRepository, ActiveWorkoutRepository). Triggers include "database", "repository", "save data", "fetch from database", "delete from storage", "database schema", "database table", "indexes", "migration", "persist", "convert workout", "converter", "buildPartialUpdate", "mock repository", "database error", "bulk operations", "import/export", or specific repository names.
12improve-skill
Analyze coding agent session transcripts to improve existing skills or create new ones. Use when asked to improve a skill based on a session, or extract a new skill from session history.
11