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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Build Commands

mix deps.get - Install dependencies
mix compile - Compile the project
mix run --no-halt - Run the application
mix format - Format code
mix test - Run all tests
mix test test/specific_test.exs - Run a specific test file
mix test test/specific_test.exs:42 - Run a specific test on line 42
mix backfill_tags - Run custom task to backfill tags database

Code Style Guidelines

Use 2-space indentation
Required module attributes: @moduledoc, @impl for callbacks
Keep functions small and focused
Put imports at the top, followed by alias and require
Prefer pattern matching over conditionals
Use appropriate logging levels (Logger.notice, Logger.emergency)
Group related functions together
Use fe/1 pattern for Application.fetch_env! calls
Follow standard Elixir naming conventions (snake_case)
Use proper error tuple returns: {:error, reason, context}
Document public API functions and custom mix tasks