diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..dbd6792
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,55 @@
+# EditorConfig is awesome: https://editorconfig.org
+root = true
+
+# -------------------------------------------------
+# General settings – apply to all files
+# -------------------------------------------------
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+# -------------------------------------------------
+# Markdown (*.md)
+# -------------------------------------------------
+[*.md]
+max_line_length = off        # Markdown lines can be long
+trim_trailing_whitespace = false   # Preserve intentional spaces
+
+# -------------------------------------------------
+# Go (*.go)
+# -------------------------------------------------
+[*.go]
+indent_style = tab
+indent_size = 4
+trim_trailing_whitespace = true
+max_line_length = 100
+
+# -------------------------------------------------
+# JavaScript & TypeScript (*.js, *.jsx, *.ts, *.tsx)
+# -------------------------------------------------
+[*.{js,jsx,ts,tsx}]
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+max_line_length = 120
+
+# -------------------------------------------------
+# HTML (*.html, *.htm)
+# -------------------------------------------------
+[*.{html,htm}]
+indent_style = space
+indent_size = 2
+max_line_length = 120
+trim_trailing_whitespace = true
+
+# -------------------------------------------------
+# CSS & SCSS (*.css, *.scss)
+# -------------------------------------------------
+[*.{css,scss}]
+indent_style = space
+indent_size = 2
+max_line_length = 120
+trim_trailing_whitespace = true
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..bc5795e
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,95 @@
+# =============================================
+# Linear Void .prettierignore
+# =============================================
+
+# Dependencies
+node_modules/
+
+# Build outputs
+dist/
+build/
+out/
+*.min.js
+
+# Test coverage
+coverage/
+coverage.out
+
+# Go source (handled by gofmt, not prettier)
+*.go
+go.mod
+go.sum
+
+# Binary / compiled
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Media files
+*.m4s
+*.m3u8
+*.ts.tmp        # FFmpeg temp, not TypeScript
+*.m3u8.tmp
+*.png
+*.jpg
+*.jpeg
+*.gif
+*.svg
+*.ico
+*.webp
+*.mp4
+*.webm
+*.mp3
+*.ogg
+
+# Runtime data
+data/
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Databases
+*.db
+*.sqlite
+*.sqlite3
+
+# Lockfile (auto-generated, don't reformat)
+package-lock.json
+
+# Shell scripts (prettier doesn't handle sh)
+*.sh
+
+# Environment & secrets
+.env
+.env.*
+!.env.example
+
+# Logs
+*.log
+
+# Editor & IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Git
+.git/
+
+# Terraform / IaC
+*.tfstate
+*.tfstate.backup
+.terraform/
+
+# Temp & backup files
+**/*.tmp
+**/*.bak
+
+# Docker
+.dockerignore