Auto: focas-f1d — Tool number + work coordinate offsets

Closes #260

src/ZB.MOM.WW.OtOpcUa.Driver.FOCAS/FocasCapabilityMatrix.cs

@@ -106,6 +106,27 @@ public static class FocasCapabilityMatrix
         _ => int.MaxValue,
     };
 
+    /// <summary>
+    ///     Whether the FOCAS driver should expose the per-device <c>Tooling/</c>
+    ///     fixed-tree subfolder for a given <paramref name="series"/>. Backed by
+    ///     <c>cnc_rdtnum</c>, which is documented for every modern Fanuc series
+    ///     (0i / 16i / 30i families) — defaulting to <c>true</c>. The capability
+    ///     hook exists so a future controller without <c>cnc_rdtnum</c> can opt
+    ///     out without touching the driver. <see cref="FocasCncSeries.Unknown"/>
+    ///     stays permissive (matches the modal / override fixed-tree precedent in
+    ///     issue #259). Issue #260.
+    /// </summary>
+    public static bool SupportsTooling(FocasCncSeries series) => true;
+
+    /// <summary>
+    ///     Whether the FOCAS driver should expose the per-device <c>Offsets/</c>
+    ///     fixed-tree subfolder for a given <paramref name="series"/>. Backed by
+    ///     <c>cnc_rdzofs(n=1..6)</c> for the standard G54..G59 surfaces; extended
+    ///     G54.1 P1..P48 surfaces are deferred to a follow-up. Same permissive
+    ///     policy as <see cref="SupportsTooling"/>. Issue #260.
+    /// </summary>
+    public static bool SupportsWorkOffsets(FocasCncSeries series) => true;
+
     private static string? ValidateMacro(FocasCncSeries series, int number)
     {
         var (min, max) = MacroRange(series);