- payments/src/main.rs: fail-fast on BEECEPTOR_URL and DATABASE_URL
- gateway/src/main.rs: fail-fast on all service URLs and CORS URLs
- users/src/handlers/ai.rs: fail-fast on LEADS_SERVICE_URL
- leads/src/main.rs: fail-fast on OLLAMA_BASE_URL and OLLAMA_CHAT_MODEL
- storage/Cargo.toml: replace rustls-aws-lc with rustls for aws-config/aws-sdk-s3
- Add missing AI intents: generate_cover_letter, improve_resume, request_view_contact, auto_apply_job, unknown
- Add is_internal_admin helper to prevent admin/super_admin users from using user-facing AI flows
- Add admin guards to: ai_generate_job_field, ai_generate_cover_letter, ai_tailor_resume, ai_auto_apply, ai_auto_respond_to_lead
- Add professional approval check in ai_auto_respond_to_lead - must be APPROVED status
- Add tracecoin balance check before contact reveal (requires 30 tracecoins)
- Add KB escalation: when no articles found, suggest creating support ticket
- Add explicit unknown intent handler with helpful message
- Add cache::ai module with Redis rate limiting for AI generations
- Add functions: check_ai_rate_limit, get_ai_usage, cache_ai_response,
get_cached_ai_response, invalidate_ai_cache, reset_daily_usage
- Update check_and_increment_usage to use Redis fast-path before DB
- Redis key pattern: ai:rate:{user_id} for 24hr sliding window counter
- Fix gateway: add /api/ai route to users_url
- Add AI job field generation endpoints (generate-job-field, generate-cover-letter, tailor-resume, auto-apply)
- Add AI usage tracking and rate limiting
- Add professional auto-respond-to-lead endpoint (30 tracecoins)
- Add DB migrations for AI usage tracking tables
- Update leads service with AI auto-respond functionality
- Add /api/ai/chat/message: LLM-powered chat with intent classification
- Add /api/ai/tickets/create and /api/ai/tickets/🆔 AI ticket management
- Add /api/ai/forms/extract: LLM-powered form field extraction
- Add /api/support/tickets/ai/create: unauthenticated ticket creation for AI service
- Add reqwest to workspace dependencies
