PHLEGM v8 - Checkpoint 43 - PET/CBM Developer Distribution package correction
Checkpoint timestamp: 2026-1009-1648-1922
Baseline: PHLEGM v8 Checkpoint 42, PET/CBM Expansion.
Cause: Checkpoint 42 ZIP omitted the canonical PHLEGM v8/ working-directory layer.
Repair: Preserve all Checkpoint 42 project files byte-for-byte and place each under
        PHLEGM-v8-Developer-Distribution-PET-CBM-Package-Fix-43-2026-1009-1648-1922/PHLEGM v8/.
Installer manifest path:
        PHLEGM-v8-Developer-Distribution-PET-CBM-Package-Fix-43-2026-1009-1648-1922/PHLEGM v8/tools/Install-and-Compile.json
The seven new PET/CBM machine profiles remain unchanged.
The external 3-script bootstrap is unchanged.
Static checks: canonical archive layout, validated installer manifest, safe ZIP paths,
same contents/CRC32 of every Checkpoint 42 file, and successful ZIP testzip.
Native Windows compilation and runtime boot tests were not performed in this checkpoint.
