{
  "chat.promptFiles": true,
  "github.copilot.chat.codeGeneration.instructions": [
    { "file": ".github/copilot-instructions.md" }
  ],
  "github.copilot.chat.testGeneration.instructions": [
    { "file": ".github/copilot-instructions.md" },
    { "text": "Always write tests before implementation (TDD). Use Arrange-Act-Assert structure. Target 80%+ coverage. Write descriptive test names that explain the behavior under test, not just the function name." }
  ],
  "github.copilot.chat.reviewSelection.instructions": [
    { "file": ".github/copilot-instructions.md" },
    { "text": "Review for: (1) security issues — hardcoded secrets, missing input validation, injection risks, (2) code quality — mutation, deep nesting, large functions, (3) error handling — swallowed errors, missing boundary validation, (4) test coverage gaps." }
  ],
  "github.copilot.chat.commitMessageGeneration.instructions": [
    { "text": "Use conventional commit format: <type>: <description>. Types: feat, fix, refactor, docs, test, chore, perf, ci. Keep the subject line under 72 characters. Focus on WHY the change was made, not WHAT changed." }
  ]
}