test: add E2E and unit tests for pSEO CMS flows
38 new tests covering all previously untested code paths:
Content module unit tests:
- TestDiscoverTemplates: discovery, empty dir, invalid frontmatter
- TestLoadTemplate: config+body loading, missing template, schema normalization
- TestExtractFaqPairs: FAQ extraction, no FAQ section, end-of-doc
- TestBuildBreadcrumbs: path segments, root, hyphenated labels
- TestBuildJsonld: BreadcrumbList, Article, FAQPage, headline truncation
- TestPreviewArticle: rendering, unknown row, language, unknown template
Admin route E2E tests:
- TestAdminTemplateDetail: config view, columns, sample data, unknown slug
- TestAdminTemplatePreview: rendered article, bad key/template redirects
- TestAdminTemplateGenerate: form display, article+scenario creation, unknown
- TestAdminTemplateRegenerate: idempotent update, unknown template redirect
- TestAdminTemplates: list shows discovered templates from disk
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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