deploy: sync code from GitHub main

deploy: sync code from GitHub main

deploy: sync code from GitHub main

deploy: sync code from GitHub main

deploy: sync code from GitHub main

deploy: add HF model download at startup

feat: Redis-backed rate limiting (Upstash) with in-memory fallback

feat(ml): 3-model ensemble (0.813 Micro-F1) + hybrid LLM tiers + safety override

chore: final-audit fixes + CHANGELOG

Fix CI lint + format + pinpoint pip-audit exception

H.36 — Sentry error monitoring (backend)

H.31 — Supabase Storage for profile pictures

Phase E.16 — Resend webhook delivery tracking

Phase B clinician features + system-wide tone softening

Crisis + safety guard: warm, gentle tone instead of cold canned responses

Email notifications via Resend

Update LLM defaults to Gemini 2.5 Flash Lite (1000 req/day free)

Add CI/CD pipelines and code quality tooling

Rename DEEPSEEK_* env vars to LLM_* for clarity

Initial commit — DepScreen backend