v3(b1-wp4b): make AdminUI compile against greenfield schema behind Batch-2/3 stubs

Namespace entity + NamespaceKind retired; DriverInstance dropped NamespaceId;
Tag is raw-only (no EquipmentId/DriverInstanceId/FullName/FolderPath); driver
options replaced pre-declared Tags with RawTags. Stub the retired surfaces so
the AdminUI + Host build green; real Raw/UNS authoring arrives in v3 Batch 2/3.

- ClusterNamespaces/NamespaceEdit: bodies replaced with 'Namespaces retired' banner
- DriverIdentitySection: dropped Namespace dropdown + NamespaceId model field
- 8 driver pages: dropped Namespace binding; retired the pre-declared Tags editor
  (replaced with a '/raw Batch 2' note); multi-device pages keep their Devices editor
- UnsTreeService: equipment-tag counts/list -> empty; Create/UpdateTag -> failure
  result ('Tag authoring moved to the Raw tree (/raw) in v3 Batch 2'); Namespace/
  driver-binding queries removed
- IScriptTagCatalog: project surviving Tag columns only (path from TagConfig FullName, else Name)
- OpcUaClientTagConfigEditor: rebind stale FullName -> model's NodeId
- ClusterDrivers: drop retired NamespaceId column

AdminUI + Host build 0/0. AdminUI.Tests / Host.IntegrationTests remain red (WP6).

src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/ScriptAnalysis/IScriptTagCatalog.cs

@@ -140,12 +140,13 @@ public sealed class ScriptTagCatalog(IDbContextFactory<OtOpcUaConfigDbContext> d
     {
         await using var db = await dbFactory.CreateDbContextAsync(ct);
 
-        // Only the resolvable keys are projected, so no UNS join is needed: the equipment-tag key is
-        // the FullName from TagConfig, the FolderPath-scoped tag key is FolderPath/Name, and the
-        // virtual-tag key is its own Name. Pull just those columns, untracked.
+        // v3: Tag is Raw-only — EquipmentId / FolderPath / DriverInstanceId were retired (the
+        // equipment↔Tag + driver bindings are gone). The resolvable key is the driver FullName carried
+        // in TagConfig; project only the surviving columns. (The Raw/UNS tag catalog is rebuilt in
+        // Batch 2/3.)
         var tagRows = await db.Tags
             .AsNoTracking()
-            .Select(t => new { t.EquipmentId, t.Name, t.FolderPath, t.DataType, t.DriverInstanceId, t.TagConfig })
+            .Select(t => new { t.Name, t.DataType, t.TagConfig })
             .ToListAsync(ct);
 
         var vtagRows = await db.VirtualTags
@@ -157,13 +158,10 @@ public sealed class ScriptTagCatalog(IDbContextFactory<OtOpcUaConfigDbContext> d
 
         foreach (var t in tagRows)
         {
-            var path = t.EquipmentId is null
-                // FolderPath-scoped tag (EquipmentId null) — subscribes by the MXAccess dot-ref, which
-                // is "FolderPath.Name" when a folder is set, else just "Name".
-                ? (string.IsNullOrWhiteSpace(t.FolderPath) ? t.Name : $"{t.FolderPath}.{t.Name}")
-                // Equipment driver tag — the runtime GetTag key is the driver FullName from TagConfig.
-                : ExtractFullNameFromTagConfig(t.TagConfig);
-            entries.Add(new ScriptTagInfo(path, "Tag", t.DataType, t.DriverInstanceId));
+            // The runtime GetTag key is the driver FullName from TagConfig; fall back to Name if absent.
+            var full = ExtractFullNameFromTagConfig(t.TagConfig);
+            var path = string.IsNullOrWhiteSpace(full) ? t.Name : full;
+            entries.Add(new ScriptTagInfo(path, "Tag", t.DataType, null));
         }
 
         foreach (var v in vtagRows)
@@ -185,7 +183,10 @@ public sealed class ScriptTagCatalog(IDbContextFactory<OtOpcUaConfigDbContext> d
     /// </summary>
     private static string ExtractFullNameFromTagConfig(string tagConfig)
     {
-        if (string.IsNullOrWhiteSpace(tagConfig)) return tagConfig;
+        // Best-effort: pull the driver FullName out of the TagConfig JSON blob if present.
+        // Returns "" when absent/unparseable so the caller falls back to the tag Name — never
+        // the raw blob (which would surface as a garbage completion path).
+        if (string.IsNullOrWhiteSpace(tagConfig)) return "";
         try
         {
             using var doc = System.Text.Json.JsonDocument.Parse(tagConfig);
@@ -193,10 +194,10 @@ public sealed class ScriptTagCatalog(IDbContextFactory<OtOpcUaConfigDbContext> d
                 && doc.RootElement.TryGetProperty("FullName", out var fullName)
                 && fullName.ValueKind == System.Text.Json.JsonValueKind.String)
             {
-                return fullName.GetString() ?? tagConfig;
+                return fullName.GetString() ?? "";
             }
         }
-        catch (System.Text.Json.JsonException) { /* fall through to raw blob */ }
-        return tagConfig;
+        catch (System.Text.Json.JsonException) { /* fall through to tag Name */ }
+        return "";
     }
 }