# ss-tools Development Guidelines

Auto-generated from all feature plans. Last updated: 2026-05-08

## Active Technologies
- Python 3.9+ (backend), JavaScript/TypeScript — Svelte 5 runes (frontend) + FastAPI 0.104+, Pydantic v2, SQLAlchemy (backend); SvelteKit 2.x, Svelte 5.x, Vite 7.x, Tailwind CSS 3.x (frontend) (030-dataset-lifecycle-workspace)
- PostgreSQL 16 (ss-tools own DB); no schema changes in this feature (030-dataset-lifecycle-workspace)
- Python 3.9+ (backend), JavaScript/TypeScript (frontend Svelte 5 runes) + FastAPI 0.126, SQLAlchemy 2.0, APScheduler 3.11 (backend); SvelteKit 2.x, Svelte 5.43, Vite 7.x, Tailwind CSS 3.x (frontend) (031-maintenance-banner)
- PostgreSQL 16 (dedicated ss-tools DB — not Superset metadata DB per ADR-0003) (031-maintenance-banner)
- Python 3.9+ (backend), TypeScript (frontend Svelte 5 runes-only) + FastAPI 0.126, SQLAlchemy, APScheduler 3.11, httpx 0.28 (already present), anyio 4.12 (already present) (032-translate-requests-httpx)
- PostgreSQL 16 (unchanged — DB operations via asyncio.to_thread) (032-translate-requests-httpx)

- Python 3.13+ (backend), JavaScript/TypeScript (frontend Svelte 5) + FastAPI 0.115+, SQLAlchemy 2.0+, APScheduler 3.x, Pydantic v2 (backend); SvelteKit 2.x, Svelte 5.43+, Vite 7.x, Tailwind CSS 3.x (frontend) (028-llm-datasource-supeset)

## Project Structure

```text
backend/
frontend/
tests/
```

## Commands

cd src [ONLY COMMANDS FOR ACTIVE TECHNOLOGIES][ONLY COMMANDS FOR ACTIVE TECHNOLOGIES] pytest [ONLY COMMANDS FOR ACTIVE TECHNOLOGIES][ONLY COMMANDS FOR ACTIVE TECHNOLOGIES] ruff check .

## Code Style

Python 3.13+ (backend), JavaScript/TypeScript (frontend Svelte 5): Follow standard conventions

## Recent Changes
- 032-translate-requests-httpx: Added Python 3.9+ (backend), TypeScript (frontend Svelte 5 runes-only) + FastAPI 0.126, SQLAlchemy, APScheduler 3.11, httpx 0.28 (already present), anyio 4.12 (already present)
- 031-maintenance-banner: Added Python 3.9+ (backend), JavaScript/TypeScript (frontend Svelte 5 runes) + FastAPI 0.126, SQLAlchemy 2.0, APScheduler 3.11 (backend); SvelteKit 2.x, Svelte 5.43, Vite 7.x, Tailwind CSS 3.x (frontend)
- 030-dataset-lifecycle-workspace: Added Python 3.9+ (backend), JavaScript/TypeScript — Svelte 5 runes (frontend) + FastAPI 0.104+, Pydantic v2, SQLAlchemy (backend); SvelteKit 2.x, Svelte 5.x, Vite 7.x, Tailwind CSS 3.x (frontend)


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