chore: merge main and release 3.7.3 bugfix bundle

Resolve conflicts with deep-reform (PR #452) while keeping bugfix branch
changes: sidebar visibility, verbose logging, device login name, and
notification archive. Bump to 3.7.3 with What's New release notes.

Co-authored-by: Cursor <cursoragent@cursor.com>

vite.config.ts

@@ -61,6 +61,10 @@ const mode = process.env.MODE || "chrome"; // Check the environment variable to
 const useMillion = mode.toLowerCase() !== "firefox";
 
 export default defineConfig(({ command }) => ({
+  // Content scripts run on the host page; absolute `/assets/...` URLs would
+  // resolve against SEQTA instead of chrome-extension://. Relative base makes
+  // Vite emit import.meta.url-relative chunk/CSS URLs at runtime.
+  base: command === "build" ? "./" : "/",
   define: {
     __ENABLE_GH_RELEASE_UPDATE_CHECK__: JSON.stringify(
       process.env.GH_RELEASE_UPDATE_CHECK === "true",