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/lib/analytics/range.ts

@@ -37,7 +37,7 @@ export function isCustomRange(range: DateRange): range is CustomDateRange {
  * Filename-safe slug for the active range. Used by chart exports so a
  * PNG/CSV download lands as `pipeline-funnel-30d.png` rather than
  * `pipeline-funnel-[object Object].png` (which is what a raw template
- * literal does to a CustomDateRange — Chrome then strips the name and
+ * literal does to a CustomDateRange - Chrome then strips the name and
  * the file falls back to the blob URL's UUID with no extension).
  */
 export function rangeToSlug(range: DateRange): string {
@@ -46,7 +46,7 @@ export function rangeToSlug(range: DateRange): string {
 }
 
 /**
- * Inverse of rangeToSlug — parses a `?range=<slug>` query-string value
+ * Inverse of rangeToSlug - parses a `?range=<slug>` query-string value
  * back into a typed DateRange. Returns null on garbage input so callers
  * can fall through to their "no range" default rather than 400ing.
  */