# Language Conventions

> Language and project convention references for Python, TypeScript, and Terraform. Use when setting up new projects, reviewing code conventions, or ensuring consistency. Covers tooling, configs, patterns, testing, and project structure.

- Skill: `dtsong/language-conventions` (Agent Skill, multi-file: 10 files)
- Install (CLI): `npx skillmds@latest add dtsong/language-conventions`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dtsong/language-conventions/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: dtsong (https://skillmd.com/u/dtsong)
- Updated: 2026-09-10
- Page: https://skillmd.com/skills/dtsong/language-conventions

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# Language & Project Conventions

Convention references for consistent, opinionated project setup. Each reference provides inline configs, patterns, and gotchas learned from production use.

## Language References

| Language | File | Key Topics |
|----------|------|------------|
| Python | [references/python.md](references/python.md) | uv, ruff (88-char), ty, FastAPI, SQLAlchemy async, Pydantic, pytest |
| TypeScript | [references/typescript.md](references/typescript.md) | pnpm, Vitest, Prettier, Next.js App Router, Tailwind, shadcn/ui, React Query |
| Terraform | [references/terraform.md](references/terraform.md) | GCS/S3 backend, tflint, tfsec, modules, OIDC CI/CD |

## Project References

| Topic | File | Key Topics |
|-------|------|------------|
| CLAUDE.md | [references/project-claude-md.md](references/project-claude-md.md) | Project-level AI assistant config template |
| CODEMAP | [references/codemap.md](references/codemap.md) | Token-efficient codebase navigation doc |
| Memory System | [references/memory-system.md](references/memory-system.md) | Three-layer persistent memory for AI sessions |
| PRD | [references/prd.md](references/prd.md) | Product Requirements Document template |
| Developer CLI | [references/developer-cli.md](references/developer-cli.md) | Unified CLI pattern for developer tooling |

## Usage

These references are consumed by:
- `/new-python`, `/new-typescript`, `/new-terraform` scaffolding commands
- Direct reading during code reviews and convention discussions
- Council/Academy agents for project context