Delete row item_mock_m1_000 from assignment_items

id item_mock_m1_000
assignment_id asgn_math_mock
child_id child_5b46b9f7
item_type major
parent_id
sort_order 0
title 计算下面各题，能简算的要简算。
content
status pending
created_at 2026-06-14 14:23:29
updated_at 2026-06-14 14:23:29
major_index
ocr_major_title 一、计算下面各题，能简算的要简算。
major_score 24.0
subject 数学
section jisuan
options []
correct_answer
image_idx 0
page_number 1
score 0.0
extra_content []
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