fix(ci): migrate Windows build to VS 2026 / v145 + surface configure errors #131

Job	Run time
Detect code changes	7s
Windows diagram-dot	1m 49s
Python Type Checking (mypy)	13s
Strict dimensional validation	1m 24s
Python Linting (ruff)	11s
Windows core-only	1m 50s
Diagram Render Smoke	1m 7s
Linux server-enabled	11m 23s
Linux core-only	1m 17s
Linux diagram-dot	1m 31s
Linux json	1m 22s
version-sync / version-sync	8s
Linux yaml	1m 34s
ok	2s
	23m 58s

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