add: track shared modules, vendor scripts, and update gitignore
- lib/common.py: shared run/load_json/save_json utilities - webui/api/common.py: _ok/_error response helpers - webui/static/htmx.min.js, json-enc.js: vendored frontend deps - scripts/update-vendor.sh: frontend vendor updater - vendor/acme.sh: bundled ACME client - .gitignore: add .playwright-mcp/ and opencode.json.pwenv
This commit is contained in: