Barrett Ruth 972044fd0f feat(cses): implement submit via REST API ... Problem: CSES submit was a stub returning "not yet implemented". Solution: authenticate via web login + API token bridge (POST `/login` form, then POST `/api/login` and confirm the auth page), submit source to `/api/courses/problemset/submissions` with base64-encoded content, and poll for verdict. Uses the same username/password credential model as AtCoder. Also update `scraper.lua` to pass the full ndjson event to `on_status` (instead of just the status string) and handle `credentials` events for platforms that return updated credentials.		2026-03-05 01:03:53 -05:00
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cp	feat(cses): implement submit via REST API	2026-03-05 01:03:53 -05:00