include info about asset sources file

docs/CLAUDE.md

@@ -34,6 +34,12 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 - Currently supports English and Russian
 - New translations: Add to `project.godot` internationalization section
 
+### Asset Management
+- **CRITICAL**: Every asset must be documented in `assets/sources.yaml` before committing
+- Include source, license, attribution, modifications, and usage information
+- Verify license compatibility with project requirements
+- Commit asset files and sources.yaml together in the same commit
+
 ## Key Development Guidelines
 
 ### Scene Management
@@ -82,6 +88,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 1. Check `docs/MAP.md` for architecture understanding
 2. Review `docs/CODE_OF_CONDUCT.md` for coding standards
 3. Understand existing patterns before implementing new features
+4. If adding assets, prepare `assets/sources.yaml` documentation
 
 ### Testing Changes
 - Run project with F5 in Godot Editor
@@ -112,3 +119,22 @@ DebugManager.log_error("Failed to load audio resource: " + audio_path, "AudioMan
 print("debug")  # Use structured logging instead
 push_error("error")  # Use DebugManager.log_error() with category
 ```
+
+### Asset Management Workflow
+```yaml
+# ✅ Required assets/sources.yaml entry format
+audio:
+  music:
+    "background_music.ogg":
+      source: "https://freesound.org/people/artist/sounds/123456/"
+      license: "CC BY 4.0"
+      attribution: "Background Music by Artist Name"
+      modifications: "Converted to OGG, adjusted volume"
+      usage: "Main menu and gameplay background music"
+
+# ✅ Proper commit workflow
+# 1. Add asset to appropriate assets/ subdirectory
+# 2. Update assets/sources.yaml with complete metadata
+# 3. git add both files together
+# 4. Commit with descriptive message including attribution
+```