refactor: split database_flatfile.c into functional modules

Split the monolithic database_flatfile.c into:
- database_flatfile.h: internal header with shared types and prototypes
- database_flatfile_parser.c: parsing, escaping, IO helpers
- database_flatfile_verify.c: integrity verification logic
- database_flatfile.c: core backend (init, write, read, LMC, vtable)
This commit is contained in:
2026-02-18 17:17:30 +03:00
parent 89b90e5cf2
commit d25f90899c
5 changed files with 1306 additions and 1113 deletions

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