Agent Guidelines for NLS Guilloche Generator

IMPORTANT: This is an archived Angular 6 project. We maintain it for running purposes only - no development, upgrades, or new features. Never run npm commands directly; always use the Makefile/nix shell wrapper. We will not change any host machine configurations; all changes are confined to the nix-shell environment.

Build/Lint/Test Commands

Build app: npm run build
Build library: npm run build:library
Start dev server: npm start
Lint: npm run lint
Run all tests: npm run test
Run single test: ng test --include="**/specific-test.spec.ts"
E2E tests: npm run e2e

Code Style Guidelines

Formatting

2-space indentation
Single quotes for strings
Semicolons always
Max line length: 140 characters
No trailing whitespace
Insert final newline in files

TypeScript/Angular

Target: ES5
Use const instead of let when possible
Arrow return shorthand
Interface over type literal
No unused expressions
No console.log (except debug/info/time/timeEnd/trace)
Component class suffix required
Import spacing required

Naming Conventions

Components: PascalCase + Component suffix (e.g., AppComponent)
Services: PascalCase + Service suffix (e.g., NlsMathService)
Models: PascalCase + .model suffix (e.g., point.model.ts)
Files: kebab-case for components, camelCase for services/models
Properties/Methods: camelCase

Member Ordering

Static fields
Instance fields
Static methods
Instance methods

Imports

Angular imports first
Third-party imports second
Local imports last
Use relative imports (./ or ../)

Error Handling

Follow standard TypeScript practices
Use appropriate Angular error handling patterns

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