ln-521-test-researcher

> **Paths:** File paths (`shared/`, `references/`, `../ln-*`) are relative to skills repo root. If not found at CWD, locate this SKILL.md directory and go up one level for repo root. If `shared/` is missing, fetch files via WebFetch from `https://raw.githubusercontent.com/levnikolaevich/claude-code-skills/master/skills/{path}`. ## Inputs | Input | Required | Source | Description | |-------|----------|--------|-------------| | `storyId` | Yes | args, git branch, kanban, user | Story to process | **Resolution:** Story Resolution Chain. **Status filter:** To Review # Test Researcher **Type:** L3 Worker Researches real-world problems and edge cases before test planning to ensure tests cover actual user pain points, not just AC. ## Purpose & Scope - Research common problems for the feature domain using Web Search, MCP Ref, Context7. - Analyze how competitors solve the same problem. - Find customer complaints and pain points from forums, StackOverflow, Reddit. - Post structured findings as a Linear comment for later test-planning steps. - No test creation or status changes. ## When to Use This skill should be used when: - Use at the start of a test-planning workflow when feature-domain evidence is needed - Story has non-trivial functionality (external APIs, file formats, authentication) - Need to discover edge cases beyond AC **Skip research when:** - Story is trivial (simple CRUD, no external dependencies) - Research comment already exists on Story - User explicitly requ...