{"id":"leaf-wire-format-is-header-sibling-entries","text":"Leaf pages are laid out as `[type:1B][num_keys:2B][next_sibling:4B][entries...]` where each entry is `[key_len:2B][key][val_len:2B][val]`, all big-endian","truth_value":"IN","source":"entries/2026/05/28/b-tree-storage-engine-btree-_serialize_leaf.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"leaf-wire-format-is-header-sibling-entries","truth_value":"IN","reason":"premise"}]}}