chore: linting

.serena/memories/code_style_conventions.md

@@ -0,0 +1,50 @@
+# Code Style and Conventions
+
+## EditorConfig Rules (.editorconfig)
+
+- **Charset**: UTF-8
+- **Line endings**: LF
+- **Indent style**: Spaces (except for specific files)
+- **Indent size**: 2 spaces (default)
+- **Final newline**: Required
+- **Trailing whitespace**: Trimmed
+
+### Language-specific Rules
+
+- **Fish scripts**: 4-space indent, 80 char line limit
+- **PHP files**: 4-space indent
+- **Markdown**: 120 char line limit
+- **Lua**: 90 char line limit
+- **Git files**: Tab indentation
+- **Shell scripts**: 2-space indent with specific shfmt settings
+
+## Prettier Configuration
+
+- Extends `@ivuorinen/prettier-config`
+- **Trailing commas**: Always
+- **Markdown**: 120 char width, preserve prose wrapping
+
+## ESLint Configuration
+
+- Extends `@ivuorinen` base configuration
+- Applied to JavaScript/TypeScript files
+
+## Shell Script Standards (.shellcheckrc)
+
+- External sources following enabled
+- Disabled checks: SC2039, SC2166, SC2154, SC1091, SC2174, SC2016
+- Must include shebang or `# shellcheck shell=bash`
+
+## Formatting Tools
+
+- **Shell scripts**: shfmt with specific rules
+- **Markdown**: markdownlint + prettier
+- **JavaScript/TypeScript**: prettier + eslint
+- **YAML**: yamllint
+
+## Naming Conventions
+
+- **Shell functions**: Use `x-` prefix for cross-shell compatibility
+- **Environment variables**: UPPERCASE with underscores
+- **File names**: lowercase with hyphens for scripts
+- **Directory structure**: lowercase, organized by tool/purpose