Move pages to and from the vault

A page, including a journal day, can be moved into the unlocked vault with its id kept. Links to it elsewhere become [[locked:id]], shown as Locked Page until the vault is unlocked, so its title is kept only in the vault. Move out reverses it.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/web/static/markdown.js

@@ -7,13 +7,24 @@ const INLINE_SRC = '`([^`\\n]+)`|\\*\\*([^*\\n]+)\\*\\*|(?<![\\w*])\\*([^*\\s][^
 const tagChip = t => h('a', { class: 'chip', href: '#/tag/' + encodeURIComponent(t) }, '#' + t);
 const extLink = (url, label) => h('a', { href: url, target: '_blank', rel: 'noopener noreferrer' }, label);
 
+// A link to a page that was moved to the vault reads [[locked:id]]. It says "Locked Page" until the vault is
+// unlocked, and then shows the page's own name and opens it.
+function lockedLink(id) {
+  const name = S.vaultNames?.get(id) ?? (S.vaultNames && id.startsWith('daily-') ? dayLabel(id.slice(6)) : null);
+  if (name != null) return h('a', { class: 'wikilink in-vault', href: '#/vault/' + id }, icon('lock', 16), name);
+  return h('a', { class: 'wikilink locked', href: '#/vault', title: 'This page is in your vault. Unlock the vault to open it.' }, icon('lock', 16), 'Locked Page');
+}
+
 function wikiLink(target, text) {
-  const title = target.trim(), page = pageByTitle(title);
+  const title = target.trim();
+  if (/^locked:[a-z0-9-]+$/.test(title)) return lockedLink(title.slice(7));
+  const page = pageByTitle(title);
   if (page) return h('a', { class: 'wikilink', href: '#/p/' + page.id }, text || title);
   return h('a', { class: 'wikilink missing', href: '#/link/' + encodeURIComponent(title), title: 'No page called "' + title + '" yet. Click to create it.' }, text || title);
 }
 
 // With plain set (the vault) [[links]] and #tags stay as typed, so a page there never points into the other notebook.
+// Only a link to another page in the vault, which is [[locked:id]], is shown as a link.
 function inline(text, plain) {
   const re = new RegExp(INLINE_SRC, 'gu'), out = [];
   let last = 0, m;
@@ -23,7 +34,7 @@ function inline(text, plain) {
     if (m[1] != null) out.push(h('code', {}, m[1]));
     else if (m[2] != null) out.push(h('strong', {}, inline(m[2], plain)));
     else if (m[3] != null) out.push(h('em', {}, inline(m[3], plain)));
-    else if (m[4] != null) out.push(plain ? m[0] : wikiLink(m[4], m[5]));
+    else if (m[4] != null) out.push(plain && !m[4].trim().startsWith('locked:') ? m[0] : wikiLink(m[4], m[5]));
     else if (m[6] != null) out.push(extLink(m[7], m[6]));
     else if (m[8] != null) out.push(extLink(m[8], m[8]));
     else {