Clarify async provisioning in Redis create tool description

servers/Azure.Mcp.Server/changelog-entries/vcolin7-redis-create-async-description.yaml

@@ -0,0 +1,3 @@
+changes:
+  - section: "Other Changes"
+    description: "Clarified the `azmcp redis create` tool description to convey that provisioning is asynchronous and callers should poll `provisioningState` until it shows 'Succeeded' before connecting."

servers/Azure.Mcp.Server/docs/azmcp-commands.md

@@ -3554,7 +3554,7 @@ azmcp role assignment list --subscription <subscription> \
 ### Azure Redis Operations
 
 ```bash
-# Creates a new Azure Managed Redis resource
+# Creates a new Azure Managed Redis resource (asynchronous; poll provisioningState until 'Succeeded')
 # ✅ Destructive | ❌ Idempotent | ❌ OpenWorld | ❌ ReadOnly | ❌ Secret | ❌ LocalRequired
 azmcp redis create --subscription <subscription> \
                    --resource-group <resource-group> \

tools/Azure.Mcp.Tools.Redis/src/Commands/ResourceCreateCommand.cs

@@ -14,13 +14,14 @@
 namespace Azure.Mcp.Tools.Redis.Commands;
 
 /// <summary>
-/// Creates a new Azure Managed Redis resource.
+/// Creates a new Azure Managed Redis resource. Provisioning is asynchronous and the
+/// command returns immediately while the resource is still being created.
 /// </summary>
 [CommandMetadata(
     Id = "750133dd-d57f-4ed4-9488-c1d406ad4a83",
     Name = "create",
     Title = "Create Redis Resource",
-    Description = "Create a new Azure Managed Redis resource in Azure. Use this command to provision a new Redis resource in your subscription.",
+    Description = "Create a new Azure Managed Redis resource in Azure. Use this command to provision a new Redis resource in your subscription. Provisioning is asynchronous and typically takes several minutes; the command returns immediately with status \"Creating\" while the resource is still being created.",
     Destructive = true,
     Idempotent = false,
     OpenWorld = false,