Update flow for hmem. Runs npm update -g, syncs skills, applies migrations, verifies hooks, shows the changelog. Use when the user asks to update/upgrade hmem, hmem-mcp, or its-over-9k (any language), or when the startup version-check flags a new release. Runs the npm update itself — don't assume it's already done.
$npx -y skills add bumblebiber/hmem --skill hmem-updateInstalls into the current project.
Run `npx skills use "https://github.com/bumblebiber/hmem" --skill "bumblebiber/hmem/hmem-update"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/bumblebiber/hmem" that are relevant to the current task. Run `npx skills add "https://github.com/bumblebiber/hmem"` and select the relevant skills, then follow their instructions.