chore(autonomous-session): consolidate uncommitted work from prior session

Bundles the prior autonomous-session output that was sitting unstaged:

- Em-dash sweep across src/ + tests/ (en-dash/em-dash to hyphen, ~2280 instances)
- country-flag-icons rollout (CountryFlag component, replaces emoji glyphs that
  never rendered on Windows; lazy-loads the 3x2 SVG index as a single chunk
  after the per-subpath dynamic-import approach silently failed in webpack)
- Admin IA Phase 1+2: 7-domain regroup, 41 to 38 pages, /admin/berths index,
  redirects (ocr to ai, reports to dashboard, invitations to users),
  docs/admin-ia-proposal.md
- Per-template email tester (registry + endpoint + UI on Email admin page)
- Cancel-document mode picker (delete-from-Documenso vs keep-for-audit)
- Dashboard PDF report: 25 widgets, SVG charts, date-range picker, 11 resolvers
- Customize-widgets per-region sortables at xl+ (charts/rails/feed); single
  flat sortable below xl when the layout stacks; per-viewport saved orders
- Audit doc updates capturing each shipped item
- Lint fixes: react-compiler immutability in DonutChart (reduce instead of
  let-reassign), set-state-in-effect disables in CountryFlag and
  UploadForSigning preview-bytes effect, unused 'confirm' destructures in
  interest contract + reservation tabs, unescaped apostrophe in test-template
  card copy

src/app/(auth)/setup/page.tsx

@@ -31,7 +31,7 @@ interface StatusResp {
 /**
  * First-run setup. On a fresh DB the very first visitor can claim the
  * super-admin account here. Once anyone claims it, future visits to
- * /setup redirect back to /login — the precondition is verified both
+ * /setup redirect back to /login - the precondition is verified both
  * server-side (`/api/v1/bootstrap/status` + `/api/v1/bootstrap/super-admin`'s
  * internal recheck) and client-side here.
  */
@@ -58,13 +58,13 @@ export default function SetupPage() {
         const res = await apiFetch<StatusResp>('/api/v1/bootstrap/status');
         if (cancelled) return;
         if (!res.data.needsBootstrap) {
-          // Already initialized — bounce to login. Replace, not push,
+          // Already initialized - bounce to login. Replace, not push,
           // so back-button doesn't trap the user here.
           router.replace('/login');
           return;
         }
       } catch {
-        // Status endpoint failed — let the user try anyway; the POST
+        // Status endpoint failed - let the user try anyway; the POST
         // does its own check and will surface a 409 if the window closed.
       } finally {
         if (!cancelled) setChecking(false);