S7 Probe v0.1.0 (diagnostic)
S7 read-only probe (.NET 10 single-file, ~190KB). Reads DBs from JSON config and prints values. Requires Microsoft.NETCore.App 10.x runtime. Sample config s7-probe-laflorida.json targets PCH La Florida S7-1500 @ 10.10.2.30 with WKV template DBs (DB120/121/281/191/280/290/100) for one unit.