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Add Audit Mode: evidence-backed checklist audit for finance documents
Aissugur Kurganbekov +1: Claude Opus 4.8New POST /audit runs a per-type checklist (invoice / contract / payment_note / general) over a document, reusing the /ask retrieval + abstention gate so it never invents a value. A check is SUPPORTED only when retrieval does not abstain AND the cited excerpt contains the field's discriminator keyword; otherwise the field is flagged unsupported (a missing field drives the risk level). Returns a summary, risk_level, per-field findings (claim + evidence + citation), and metrics (counts + citation coverage). Reuses _owned_document for per-user scoping + 404; /ask is unchanged. Frontend: new Audit tab — a B2B audit dashboard (document + type selectors, risk badge, metric cards, per-finding evidence with highlighted citations). Backend: app/audit.py, audit schemas, POST /audit, and tests/test_audit.py (7 tests: field detection, unsupported detection, citation coverage, false-positive guard, 404, cross-user scoping, default type). Hardened after an adversarial review: field discriminators …f22b512
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Audit-driven hardening + Google sign-in
Aissugur Kurganbekov +1: Claude Opus 4.8Security (from a multi-agent audit): - CRITICAL: never sign JWTs with a shared constant. AUTH_SECRET_KEY is required in production and a random EPHEMERAL key in dev, so a default deploy can't run on a public, forgeable secret. - Fix cross-user history leak: QA rows now carry user_id and /history is scoped to the asker, so questions over shared demo docs no longer leak across users. - Require auth on /evaluate and /demo/seed (resource-amplification guard). - Guest accounts use CSPRNG creds (crypto.getRandomValues) independent of the email; add a token-type claim; guard citations against a deleted parent doc. Feature: "Continue with Google" (Google Identity Services ID-token flow): - POST /auth/google verifies the ID token (google-auth: aud + iss + email_verified) and get-or-creates the user; password_hash is now nullable for OAuth-only accounts. Gated on GOOGLE_CLIENT_ID (button hidden when unset); /health exposes google_client_id. UX/a11y: honest "session expired" messa…90adb95 -
Add user accounts: registration, login (JWT + bcrypt), per-user documents
Aissugur Kurganbekov +1: Claude Opus 4.8Backend: - User model + nullable owner_id on Document (NULL = shared demo/eval docs). - security.py (bcrypt via passlib, PyJWT HS256) and auth.py (/auth/register, /auth/login, /auth/me + get_current_user). Generic 401 with a dummy-hash compare on miss (no user enumeration), 409 on duplicate, EmailStr validation. - /documents*, /ask, /history now require a Bearer token and are scoped to the user's own docs + shared demo docs; cross-user access returns 404 (never leaking ids). /health, /evaluate, /demo/seed stay public. AUTH_SECRET_KEY is env-driven (prod hard-fail, dev default + warning). - conftest authed-by-default so the 12 existing API tests are unchanged; new test_auth.py (register/login/me/protected/per-user isolation). 38 tests pass, live end-to-end verified. Frontend: - Split-layout AuthScreen (sign in / sign up toggle, validation, show/hide password, "Continue with the demo" guest path) in the light theme. - api.js routes every request through a Bearer wrapper …165a274
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Add Fast / Thinking answer modes (per-request LLM toggle)
Aissugur Kurganbekov +1: Claude Opus 4.8 (1M context)- Fast: extractive engine — instant, offline, free (no API key). - Thinking: LLM reasons on the fly with Claude adaptive thinking (thinking={"type":"adaptive"}, no temperature — correct for current models), grounded in the same retrieved context with citations + abstention. Transparently falls back to Fast when no API key is set, so it never breaks. - AskRequest.mode ("fast"|"thinking", validated -> 422 on bad value); /ask returns the engine that actually answered. - Frontend: segmented Fast/Thinking toggle in the Ask view; mode passed to API. - Thinking model default = claude-sonnet-4-6 (supports adaptive thinking). - 21 tests pass incl. new thinking->fast fallback test. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>f2f300a
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FinanceFlow AI: source-grounded RAG Q&A over finance documents
Aissugur Kurganbekov +1: Claude Opus 4.8 (1M context)Full-stack MVP: FastAPI + SQLite backend, React/Vite frontend. - Upload PDF/TXT -> chunk -> TF-IDF retrieval -> focused extractive answer - Two abstention gates + citations for anti-hallucination - Golden-dataset evaluation (UI + CLI) with coverage/abstention/evidence metrics - One-click demo mode, sample-question chips, clean B2B dashboard - Logging, global exception handler, validated/typed API with Swagger docs - 19 pytest tests + GitHub Actions CI - Dockerfiles, docker-compose, Makefile Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>fc5156b