refactor(core): EquipmentNodeWalker.ExtractFullName delegates to TagConfigIntent; repoint canonical-parser doc cites (R2-11)

Full walker deletion remains round-1 U-1's task.

src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Uns/TagEditors/OpcUaClientTagConfigModel.cs

@@ -7,9 +7,9 @@ namespace ZB.MOM.WW.OtOpcUa.AdminUI.Uns.TagEditors;
 /// stable <c>nsu=…;s=…</c> or plain <c>ns=2;s=…</c> NodeId the driver reads/writes/subscribes against).
 /// Preserves unrecognised JSON keys across a load→save.</summary>
 /// <remarks>
-///     The <c>FullName</c> key is intentionally PascalCase: the deploy-time composer + node walker
-///     (<c>AddressSpaceComposer.ExtractTagFullName</c>, <c>EquipmentNodeWalker</c>) read it via a
-///     case-sensitive <c>TryGetProperty("FullName", …)</c>, so the editor MUST persist that exact
+///     The <c>FullName</c> key is intentionally PascalCase: the shared deploy-time parser
+///     (<c>Commons.Types.TagConfigIntent.Parse</c>, consumed by the composer, artifact decoder, draft
+///     gate, and node walker) reads it via a case-sensitive <c>TryGetProperty("FullName", …)</c>, so the editor MUST persist that exact
 ///     casing. The driver-agnostic server-side HistoryRead intent keys (<c>isHistorized</c> /
 ///     <c>historianTagname</c>) are NOT modelled here — they are owned by the TagModal-merge seam
 ///     (<see cref="TagHistorizeConfig"/>) and survive a load→save of this model as preserved unknown keys.