chore: standardize cross-platform development setup

.editorconfig

@@ -2,3 +2,22 @@ root = true
 
 [*]
 charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.gd]
+indent_style = tab
+indent_size = 4
+tab_width = 4
+
+[*.{json,yaml,yml}]
+indent_size = 2
+
+[*.{bat,cmd}]
+end_of_line = crlf
+
+[*.md]
+trim_trailing_whitespace = false

.gitattributes

@@ -1,7 +1,74 @@
-# Normalize EOL for all files that Git considers text files.
+# Use deterministic line endings on every platform.
 * text=auto eol=lf
+
+# Godot source and serialized resources
 *.gd text eol=lf
+*.gd.uid text eol=lf
+*.gdextension text eol=lf
+*.gdnlib text eol=lf
 *.tscn text eol=lf
 *.tres text eol=lf
+*.godot text eol=lf
+*.import text eol=lf
 *.shader text eol=lf
 *.gdshader text eol=lf
+*.gdshaderinc text eol=lf
+
+# Common source, configuration, and documentation formats
+*.cs text eol=lf
+*.cfg text eol=lf
+*.ini text eol=lf
+*.json text eol=lf
+*.md text eol=lf
+*.toml text eol=lf
+*.txt text eol=lf
+*.xml text eol=lf
+*.yaml text eol=lf
+*.yml text eol=lf
+*.sh text eol=lf
+*.ps1 text eol=lf
+
+# Native Windows command scripts
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+# SVG is text; the remaining asset formats must never receive EOL conversion.
+*.svg text eol=lf
+*.bmp binary
+*.dds binary
+*.exr binary
+*.gif binary
+*.hdr binary
+*.ico binary
+*.jpeg binary
+*.jpg binary
+*.ktx binary
+*.png binary
+*.tga binary
+*.webp binary
+*.blend binary
+*.fbx binary
+*.glb binary
+*.3ds binary
+*.dae text eol=lf
+*.gltf text eol=lf
+*.mtl text eol=lf
+*.obj text eol=lf
+*.mp3 binary
+*.ogg binary
+*.wav binary
+*.flac binary
+*.mp4 binary
+*.webm binary
+*.avi binary
+*.mov binary
+*.otf binary
+*.ttf binary
+*.woff binary
+*.woff2 binary
+*.7z binary
+*.gz binary
+*.rar binary
+*.tar binary
+*.zip binary
+*.pck binary

.gitignore

@@ -1,44 +1,78 @@
-# Godot import cache
-.import/
-
-# Godot editor generated files
+# Godot 4 editor data and imported asset cache
 .godot/
 
-# Export templates and builds
+# Godot 3 imported asset cache
+.import/
+
+# Local export output (keep export_presets.cfg tracked)
 /export/
 /exports/
 /build/
 /builds/
+/dist/
 
-# Mono / C#
+# Godot C# / Mono generated files
 .mono/
 data_*/
 mono_crash.*
-
-# Visual Studio / Rider
-.vs/
-.idea/
 *.csproj
 *.sln
-*.user
-*.DotSettings.user
 
-# macOS
-.DS_Store
-
-# Linux
-.directory
-
-# Windows
-Thumbs.db
-desktop.ini
-
-# Logs
+# Godot and application crash/log output
+crash_handler*
 *.log
 
-# Temporary files
-*.tmp
-*.bak
+# Local environment and secrets
+.env
+.env.*
+!.env.example
 
-# Godot crash reports
-crash_handler*
+# Editors and IDEs
+.idea/
+.fleet/
+.vs/
+.vscode/
+*.code-workspace
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+*.DotSettings.user
+
+# Editor swap, backup, and temporary files
+*.bak
+*.orig
+*.rej
+*.swp
+*.swo
+*.temp
+*.tmp
+*~
+.#*
+\#*\#
+
+# macOS metadata
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon?
+._*
+.DocumentRevisions-V100/
+.Spotlight-V100/
+.TemporaryItems/
+.Trashes/
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Windows metadata
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.stackdump
+
+# Linux desktop and trash metadata
+.directory
+.Trash-*

assets/foliage/tree-high.glb.import

@@ -16,6 +16,8 @@ dest_files=["res://.godot/imported/tree-high.glb-7b56684fc38d48b551f6a2589ecabd5
 nodes/root_type=""
 nodes/root_name=""
 nodes/root_script=null
+mesh_library/use_node_names_as_mesh_names=false
+array_mesh/deduplicate_surfaces=true
 nodes/apply_root_scale=true
 nodes/root_scale=1.0
 nodes/import_as_skeleton_bones=false
@@ -40,3 +42,4 @@ materials/extract_path=""
 _subresources={}
 gltf/naming_version=2
 gltf/embedded_image_handling=1
+gltf/texture_map_mode=0

assets/foliage/tree.glb.import

@@ -16,6 +16,8 @@ dest_files=["res://.godot/imported/tree.glb-5e87a640dbd9ffc2053ff1705fe52b99.scn
 nodes/root_type=""
 nodes/root_name=""
 nodes/root_script=null
+mesh_library/use_node_names_as_mesh_names=false
+array_mesh/deduplicate_surfaces=true
 nodes/apply_root_scale=true
 nodes/root_scale=1.0
 nodes/import_as_skeleton_bones=false
@@ -40,3 +42,4 @@ materials/extract_path=""
 _subresources={}
 gltf/naming_version=2
 gltf/embedded_image_handling=1
+gltf/texture_map_mode=0