feat: improve server startup logs and simplify journal input labels

- Add logic to detect the best LAN IPv4 address for easier network
  access
- Display both localhost and LAN access URLs in the CLI
- Remove file path from journal input autocomplete labels

src/components/journal/JournalInput.tsx

@@ -259,7 +259,7 @@ export const JournalInput: Component = () => {
         ];
       }
       return matches.map((s) => ({
-        label: `${s.filePath} § ${s.slug} (${s.notation})`,
+        label: `${s.slug} (${s.notation})`,
         kind: "value" as const,
         insertText: `/spark ${s.slug}`,
       }));