c415ab3957
- Add ProjectReference to email-api-data - Register EmailApiDbContext + run migrations on startup - Register IEmailTemplateRepository (scoped) and IEmailTemplateService (singleton) - SmtpEmailDispatcher: inject IEmailTemplateService; replace hardcoded HtmlShellStart/HtmlShellEnd string constants with DB template lookups (email.html-shell.start / email.html-shell.end, language "*") Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>