Initial import of LogDarioSeq baseline

Establishes version control for the personal Logseq DB fork before
starting the server-client architecture migration and domain features
described in docs/agent-guide and the approved implementation plan.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

scripts/lib/postcss-strip-ios-web-font-sources.cjs

@@ -0,0 +1,44 @@
+const unsupportedIOSWebFontSourcePattern =
+  /\.woff2?(?:[?#][^"')\s]*)?(?:["')\s]|$)|format\(["']woff2?["']\)/i
+
+const stripUnsupportedIOSWebFontValue = (value) => {
+  const sources = value.split(/,(?=\s*(?:url|local)\()/)
+  const supportedSources = sources.filter((source) =>
+    !unsupportedIOSWebFontSourcePattern.test(source))
+
+  return supportedSources.length === 0 ? null : supportedSources.join(',')
+}
+
+const stripUnsupportedIOSWebFontSources = (css) =>
+  css.replace(/@font-face\s*{[^{}]*}/g, (fontFace) => {
+    let hasSupportedSrc = true
+    const nextFontFace = fontFace.replace(/src:([^;}]+)([;}])/g, (_match, value, delimiter) => {
+      const nextValue = stripUnsupportedIOSWebFontValue(value)
+      hasSupportedSrc = nextValue !== null
+      return nextValue === null ? '' : `src:${nextValue}${delimiter}`
+    })
+    return hasSupportedSrc ? nextFontFace : ''
+  })
+
+const stripIOSWebFontSourcesPlugin = () => ({
+  postcssPlugin: 'strip-ios-web-font-sources',
+  Declaration (decl) {
+    if (decl.prop.toLowerCase() === 'src') {
+      const nextValue = stripUnsupportedIOSWebFontValue(decl.value)
+      if (nextValue === null) {
+        if (decl.parent?.type === 'atrule' && decl.parent.name === 'font-face') {
+          decl.parent.remove()
+        } else {
+          decl.remove()
+        }
+      } else {
+        decl.value = nextValue
+      }
+    }
+  },
+})
+
+module.exports = {
+  stripIOSWebFontSourcesPlugin,
+  stripUnsupportedIOSWebFontSources,
+}