Replace the fixed /v/local/ default with a reused secret viewer id so local runs get a bookmarkable personal URL like production.
Co-authored-by: Cursor <cursoragent@cursor.com>
Each player gets an isolated SQLite viewer via a unique URL without login, with landing page warnings to save the link and compose-based hosting for sharing with others.
Co-authored-by: Cursor <cursoragent@cursor.com>