syscfg 20260315

- Filtered log of core changes:
b47c2c2 syscfg: Remove artifical newline in err output
9db2c2c syscfg: Verbose inode sync operations
959b348 syscfg: Implement inode synchronization behavior
9da5d0a Fixup "syscfg: Rework write API"
d16537e syscfg: Gracefully handle a missing specified log
6b8835e syscfg: Add pluggable hint override mechanism

- Complete log between 20250926 and 20260315 (b47c2c2):
b47c2c2 syscfg: Remove artifical newline in err output
85f7117 Update copyright year (2026)
2f3943f README.md: Add info for breaking changes
fe6b3af Makefile: Define `.PHONY`
78d98da rel.sh: Use mainly tag names for log refs
83064c6 NEWS: 20260315
a08e5a3 .gitmodules: shell-glossary -> `20251116`
423a3f5 Move scripts to scripts/
9db2c2c syscfg: Verbose inode sync operations
6923144 NEWS: 20260314
959b348 syscfg: Implement inode synchronization behavior
9da5d0a Fixup "syscfg: Rework write API"
d16537e syscfg: Gracefully handle a missing specified log
6b8835e syscfg: Add pluggable hint override mechanism