Initial commit: Godot idle game project setup with basic player movement

CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+This is a Godot 4.3 idle game project. The game uses Godot's Forward Plus rendering method and is configured for 1280x720 resolution.
+
+## Commands
+
+### Running the Game
+- Open the project in Godot 4.3 Editor
+- Press F5 or click the Play button to run the main scene
+- Press F6 to run the current scene
+
+### Development Workflow
+Since this is a Godot project, most development happens through:
+1. The Godot Editor for scene editing and visual work
+2. External text editor/IDE for GDScript files in `scripts/`
+3. Asset pipeline through `assets/` subdirectories
+
+## Architecture
+
+### Scene Structure
+- **Main.tscn**: Root scene that instantiates all game elements
+- **Player.tscn**: CharacterBody2D-based player with movement controls
+- Scenes reference scripts via `res://scripts/` paths
+- Scene UIDs are auto-generated by Godot (e.g., `uid://b4ncr5x8y7kmt`)
+
+### Script Organization
+- All GDScript files go in `scripts/`
+- Scripts extend appropriate Godot node types (Node2D, CharacterBody2D, etc.)
+- Player movement uses built-in input actions (ui_left, ui_right, ui_up, ui_down)
+
+### Asset Organization
+```
+assets/
+├── sprites/  # 2D graphics and textures
+├── sounds/   # Audio files (music, SFX)
+└── fonts/    # Font files
+```
+
+## Important Notes
+- The project uses placeholder graphics (PlaceholderTexture2D) for prototyping
+- Movement speed is defined as a constant in Player.gd (SPEED = 300.0)
+- The `.godot/` directory is auto-generated and should never be edited manually
+- Scene files (.tscn) use Godot's text format and can be edited manually if needed, but prefer using the Godot Editor