Fix dataset card: restore task1b configs (was broken by stale task1c paths); keep Slack link

Remove em-dashes from dataset card

Dataset card: replace Google registration form with Slack channel

Codabench links -> re-uploaded comps (1a 17048/17049, 1b 17050/17051)

Task 1b: ranking metric -> Contrastive Instability; CFHR/Q+/Q- diagnostics; Codabench 17045/17046; greedy-decoding note

Update README.md

Update README.md

Update README.md

Update Task 1b Codabench links to new competitions (17022 en / 17021 msa)

Remove old task1c/ folder (renamed to task1b)

Add task1b/ data (copy of task1c) to match card configs

Update README.md

updated subtask id

Card: call the Fanar cascade an example, not a baseline (consistency with task pages)

Clean dataset card: remove em-dashes (no content or number changes)

ImageEval 2026 Task 1 (Ayn-VQA) dataset