- Remove the docs/superpowers planning spec.
- textimport: cap decompressed zip parts at 64 MiB (protects Place and
xlsx data sources); oversized part is an error. Regression test.
- datamerge: refuse data files over 256 MiB and skip image candidates
over 256 MiB by metadata before reading.
- datamerge: assign_page uses get_mut instead of indexing spreads.
- datamerge: one/limit over u32 are errors, not truncated.
- select_records dedupes with a HashSet (was O(n^2)), order kept.
- Hyperlink cells: only http, https, ftp and mailto schemes link.
- Document data.* commands and data.merge creating a new document.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>