feat(mazak): add Mazak CNC support via FTP (EIA/ISO)
New Cnc/Mazak/ machine integration mirroring the Fagor/Mitsubishi FTP
pattern: MazakConnectionConfig, IMazakFtpClient, MazakFtpClient,
MazakMachine (ICncMachine). Transfers EIA/ISO G-code text over FTP to
Smooth-family controllers. Mazatrol CMT (proprietary binary) out of scope.
Design (verified against Mazak Matrix EIA manual + field reports):
- Filenames preserved verbatim; no O#### rename, no extension append.
- Symmetric ResolvePath for Read/Write/Delete (avoids ISS-020 class;
Delete resolved too, unlike copied Mitsubishi source).
- Validator = full passthrough for Mazak (EIA permits ';' EOB, '[ ]',
'#'; restrictive Fanuc checks would false-reject valid programs).
- Port 21 default, -porta=23 for Smooth Ai IIS variant.
- ProgramDirectory site-specific, no default.
Wiring: CncManufacturer.Mazak, ArgParser 'mazak' token, CncMachineFactory.
Tests: MazakMachineTests (unit), MazakMachineIntegrationTests (FTP-stub
roundtrip + symmetry guard), Mazak cases in validator/factory tests.
Docs: README Controller Mazak section + table row; ISS-021 (constraints,
EIA-option requirement), ISS-022 (Mitsubishi delete asymmetry logged).
NOT build-verified (no .NET toolchain in build env) — verify on Windows.
Projects: NcProgramManager, NcProgramManager.Tests
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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