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sync: encrypted cloud backup for portfolios + settings UX rework

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Adds opt-in client-side-encrypted portfolio sync (paid). Browser
PBKDF2(PIN) → AES-GCM, server HKDF(pepper, user_id) outer wrap;
server stores opaque bytes only. Sliding-window rate limit on GET.

  - new portfolio_sync table (migration 0015)
  - POST/GET/DELETE /api/portfolio/sync + /status
  - app/services/portfolio_sync.py crypto + rate limit
  - app/routers/sync.py paid-gated
  - app/static/js/portfolio-sync.js WebCrypto wrapper
  - settings page: enable/disable + PIN modal
  - PORTFOLIO_SYNC_PEPPER setting (warn on startup if missing)

Settings + import rework:

  - /upload merged into /settings#import (legacy route 302s)
  - drop CSV → auto-parse → preview → Import only / Import & sync
  - nav slimmed to Dashboard / News / Log
  - Settings + Logout moved to a user dropdown
  - brand logo links to /

Collateral fixes:

  - settings 500: re-fetch User in current session before mutating
    referral_code (assign_code_if_missing was refreshing a User
    loaded in the auth dep's now-closed session)
  - csv_import: distinct error for unfunded T212 pies (all qty=0)
  - db.py: drop pool_pre_ping (aiomysql 0.3.2 incompat); pin
    isolation_level=READ COMMITTED to avoid gap-lock deadlocks
  - alembic env: disable_existing_loggers=False so in-process
    migrations don't silence uvicorn's loggers
  - docker-compose.override.yml: dev-only volume mount + --reload

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Giorgio Gilestro 2026-05-23 16:15:54 +02:00
parent 89632e9937
commit f326b41a08
23 changed files with 1637 additions and 95 deletions
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7
app/config.py
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@ -63,6 +63,13 @@ class Settings(BaseSettings):
CASSANDRA_ANCHOR_DATE: str = ""
CASSANDRA_MOCK: bool = False
# Server-side pepper for the cloud-sync outer wrap. Generate with:
# python -c "import secrets; print(secrets.token_urlsafe(32))"
# When empty, the outer layer degrades to "salt by user_id only" — fine
# for dev, but a prod DB leak would then suffice to brute-force PINs
# offline. The startup log warns if this is empty on a non-sqlite DB.
PORTFOLIO_SYNC_PEPPER: str = ""
# AI log — provider abstraction with fallback chain.
# `LLM_PROVIDER` is the primary; `LLM_FALLBACK` kicks in if the primary
# raises (after its own internal retries). Set LLM_FALLBACK="" to