0.3.0

The journal grows a spine, a backup, and a longer memory.

• The timeline draws its chain: a spine, a dot and hash chip per entry, an
  anchor line saying how far the record is pinned, and a sealing snap when
  an entry joins.
• Sealed backup and restore: one encrypted envelope under the vault key,
  only the key-derivation parameters readable outside it. Restore verifies
  the whole chain in memory before a byte lands, with five distinct
  refusal codes for everything that can be wrong.
• verify.py --extends proves one export is an append-only extension of
  another; exports self-verify before they can leave the app.
• Multi-file attach, in-memory search that a lock wipes, a first-run empty
  state, and a wrong-passphrase shake that still announces itself.

Verify what you install

sha256 magpie-0.3.0.apk  e2836b2347490f8361dfe6b688f5733a128325bf21f565da6517e20d99034456
sha256 magpie-0.3.0.aab  6be3ac94ae4c5926a1bbe90fe2853e9995e1bf25da842837f139f81142e4c534
signing cert sha256  35d26c85cf963570aafda3dccce4d28fcb041f712cf15cd24ab8cc7d694be526

magpie.apk is the same file as magpie-0.3.0.apk under a stable name.