{"id":"page-zero-is-metadata","text":"Page 0 is always the metadata page and must never be written directly — only through `_write_meta`; user data pages start at page 1, with the initial empty leaf root always at page 1","truth_value":"IN","source":"entries/2026/05/29/b-tree-storage-engine-btree-PageManager.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"page-zero-is-metadata","truth_value":"IN","reason":"premise"}]}}