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

tests/global-setup.ts

@@ -10,7 +10,7 @@
  */
 
 // `globalSetup` runs in vitest's parent process, so the test workers' env
-// from `loadEnv` doesn't apply here — we have to load .env ourselves before
+// from `loadEnv` doesn't apply here - we have to load .env ourselves before
 // importing the db module (which validates DATABASE_URL at import time).
 import 'dotenv/config';
 import { sql } from 'drizzle-orm';
@@ -21,7 +21,7 @@ export async function setup() {
 }
 
 export async function teardown() {
-  // Same DB as the dev/test environment — only delete obvious test rows
+  // Same DB as the dev/test environment - only delete obvious test rows
   // (slug prefix is a marker the factory always sets).
   await db.execute(sql`
     -- Stage the doomed port ids