test-personal-wiki.sh wraps start-vim.sh to open the user's real wiki
at ~/.vimwiki/personal_wiki (override with NUWIKI_PERSONAL_WIKI) — used
when reproducing user-reported bugs against actual content instead of
the seeded smoke-test wiki.
Also adds a NUWIKI_DEV_NO_SEED env var to start-vim.sh so seed_wiki
doesn't drop a scratch Notes.wiki into the user's real notes when we
point WIKI_DIR at an already-populated wiki.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
