sweep2: add config files (.gitignore,mise.toml)

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

Author: hyperpolymath

.gitignore

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+# Dependencies
+node_modules/
+.vendor/
+dist/
+build/
+target/
+bin/
+*.egg-info/
+__pycache__/
+.venv/
+venv/
+.env/
+.env
+.env.local
+.env.*.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+logs/
+
+# Test coverage
+coverage/
+.nyc_output/
+
+# Cache
+harden/
+.cargo/registry/
+.cargo/git/
+
+# Temporary files
+*.tmp
+*.temp
+tmp/
+temp/

mise.toml

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+[tools]
+# Language runtimes
+node = "latest"
+python = "latest"
+rust = "latest"
+go = "latest"
+zig = "latest"
+java = "latest"
+bun = "latest"
+denojs = "latest"
+
+# Package managers
+npm = "latest"
+yarn = "latest"
+pnpm = "latest"
+pip = "latest"
+cargo = "latest"
+go-task = "latest"
+
+# Formatting & Linting
+gofmt = "latest"
+black = "latest"
+isort = "latest"
+ruff = "latest"
+prettier = "latest"
+shfmt = "latest"
+stylua = "latest"
+
+# Build tools
+cmake = "latest"
+make = "latest"
+ninja = "latest"
+
+# Shell tools
+git = "latest"
+gnu-sed = "latest"
+gnu-tar = "latest"
+gnu-grep = "latest"
+
+# Testing
+vitest = "latest"
+pytest = "latest"
+jest = "latest"
+
+[env]
+# Common environment variables
+NODE_ENV = "development"
+PYTHONDONTWRITEBYTECODE = "1"
+PYTHONUNBUFFERED = "1"
+
+# Task runner alias
+[alias]
+task = "go-task"
+build = "cargo build --release || npm run build || go build"
+test = "cargo test || npm test || go test ./..."
+lint = "ruff check . || prettier --check . || black --check ."
+fmt = "ruff format . || prettier --write . || black ."