b7ddf4c253
## Problem Scraper cookie handling was fragmented across per-platform files with no shared access, httpx scrapers lacked `checking_login` fast paths on login, and several re-auth edge cases (CodeChef submit, CF cookie guard, AtCoder cookie persistence) caused unnecessary full re-logins or silent failures. ## Solution Centralize all cookie storage into a single `cookies.json` via helpers in `base.py`. Add `checking_login` fast paths to `kattis.py` (using the `x-username` response header as a session probe), `usaco.py`, and `cses.py` login flows. Fix `kattis.py` submit to emit `checking_login` only after loading cookies. Remove AtCoder cookie persistence from login entirely — always do a fresh session. Harden CodeChef and CF reauth with consistent status logging and cookie guard checks. |
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| .. | ||
| __init__.py | ||
| atcoder.py | ||
| base.py | ||
| codechef.py | ||
| codeforces.py | ||
| cses.py | ||
| kattis.py | ||
| language_ids.py | ||
| models.py | ||
| timeouts.py | ||
| usaco.py | ||