fix(review): slug-scoped tags, decode names, drop fig picker & AI labels

- Taxonomy sync keeps fig-/feat- by slug (hyphen), not name; HTML-unescape names
- Review: remove AI assist labels; Features picker for feat-*; derive fig_tag_ids
  from Figure term names (casefold match, no bridges); decodeName on display
- Unit tests for scoped_tags, fig match, Review UI contract; docs slug wording

frontend/src/create/review/reviewUi.contract.test.ts

@@ -0,0 +1,34 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { test } from 'node:test';
+
+const dir = dirname(fileURLToPath(import.meta.url));
+const reviewSrc = readFileSync(join(dir, 'Review.svelte'), 'utf8');
+const figSrc = readFileSync(join(dir, 'figTags.ts'), 'utf8');
+
+test('Review UI: no AI assist labels or AI badge chrome', () => {
+  assert.equal(reviewSrc.includes('AI assist'), false);
+  assert.equal(reviewSrc.includes('class="ai"'), false);
+  assert.equal(reviewSrc.includes('ps-tag'), false);
+});
+
+test('Review UI: no fig-* MultiSelect picker', () => {
+  assert.equal(reviewSrc.includes('data-testid="fig-tag"'), false);
+  assert.equal(reviewSrc.includes('figTagOpts'), false);
+  assert.equal(reviewSrc.includes('label="fig-* tags"'), false);
+  assert.equal(reviewSrc.includes('placeholder="Choose fig-* tags"'), false);
+  assert.match(reviewSrc, /deriveFigTagIds/);
+  assert.match(reviewSrc, /Features/);
+  assert.match(reviewSrc, /testid="feat-tag"/);
+});
+
+test('Tag family scope uses hyphenated slug prefix', () => {
+  assert.match(figSrc, /startsWith\('fig-'\)/);
+  assert.match(figSrc, /startsWith\('feat-'\)/);
+  assert.equal(/startsWith\('fig'\)/.test(figSrc), false);
+  assert.equal(/startsWith\('feat'\)/.test(figSrc), false);
+  assert.equal(/startsWith\('fig'\)/.test(reviewSrc), false);
+  assert.equal(/startsWith\('feat'\)/.test(reviewSrc), false);
+});