v0.7.0

Added

• navigation.addresses in site.config.json. stable, the default, keeps
  an address through every rename and move, as before. follow-names gives
  every folder and document the address its current Drive path yields, on
  every sync over the whole corpus. Each item keeps one earlier address as a
  redirect, so redirects never outnumber pages. An address an item leaves is
  free for the next item named that way. Folders get redirects as documents
  do. See ADR-021.
• Permanent links. Every document and section page has a short ID recorded in
  the manifest, and answers at /d/<short ID>/ whatever it is renamed to. A
  page offers to copy it. d is now a platform route. See
  ADR-022.
• The 404 page searches the site for the words of the missing address, and
  lists what it finds. It replaces Starlight's 404 page.

Changed

• A link between documents is stored as the target's permanent link, and
  resolved to the target's current address when the site builds. A pasted
  address of this site becomes a permanent link as well. A renamed target no
  longer changes the documents that link to it. The converter version is now
  hybrid-v3, so the first sync after upgrading exports every document again.
• Generated documents and section pages carry shortId in their frontmatter,
  and manifest records carry it too.

Fixed

• A redirect is removed when the folder or document it points at leaves the
  corpus. Until now it stayed in the manifest, and output validation rejected
  every later sync.