Remove shadow-primary remnants and fix double text-xs from font-label
replacement in CopilotToggle, ValidationSummary, TemplateDetailModal,
and ParameterSchemaBuilder/ParameterDetectorStepper.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add types, API client, page component, card components, detail modal,
and /templates route for the public templates gallery. Uses raw fetch()
for unauthenticated access, glass-card design system, and URL-synced
filters with debounced search.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>