Common machine Git builder candidate

RESULT=PASS_COMMON_MACHINE_GIT_BUILDER_SANDBOX
VM100_MODIFIED=false

PACKAGE_ID=20260713-064348_machine_git_builder_v1

REFERENCE_MACHINE=vm101
REFERENCE_COMMIT=f0aa09394d6d0622b103a128b955135941c1060c
REFERENCE_SHA256=8189c34a7eb49633f03773eb93b453fd5265f846d32d6d28b7386c4753e9ca6b

COMMON_ENGINE_SHA256=de795151f06b8ab7ba7c921e0260332ad27b715b597a4fe81af9998f26e262f2
VM100_PROFILE_SHA256=b84ee561fd1576e2a0df83e867943aba6b15836aa8111c91abebd2603c9ad8dc
VM100_WRAPPER_SHA256=481abae22e6dc554082700f590c40a809fc3dff44cc78dceb7adb3974f331a6a
TEST_REPORT_SHA256=2d5560e7238fe128ecdb456a3878c2867b55f053408e9b2841d3d1c12525f213

Sandbox proof:
- clean check passed
- simulated-index validation passed
- controlled change committed
- commit pushed to local bare remote
- local and remote commit matched
- real Git index remained clean after publication

The exact same common engine file is intended for VM100,
VM101 and VM121. Only the strict machine profile differs.