Dotfiles for my macos setup

:recycle: refactor error handling patterns across extensions master

- Extract tryExec helper in pr-create to reduce try-catch duplication - Simplify URL parsing in reddit.js using URL.canParse() - Replace existsSync checks with error handling in context extension - Remove extractText helper from cwd-history, inline directly - Improve JSON parsing error handling in session-analyzer and answer extensions - Add docker-credential-helper-ecr, yt-dlp, summarize, antigravity-cli to Brewfile - Add slop-scan to default npm packages - Add conciseness preference to agent settings


+118 -122
11 changed files