Add worker heartbeats capability (#623)

Author: Sushisource

openapi/openapiv2.json

@@ -12175,6 +12175,10 @@
         "asyncUpdate": {
           "type": "boolean",
           "title": "True if the namespace supports async update"
+        },
+        "workerHeartbeats": {
+          "type": "boolean",
+          "title": "True if the namespace supports worker heartbeats"
         }
       },
       "description": "Namespace capability details. Should contain what features are enabled in a namespace."
@@ -15461,7 +15465,7 @@
           "additionalProperties": {
             "type": "string"
           },
-          "description": "A key-value map for any customized purpose.\nIf data already exists on the namespace, \nthis will merge with the existing key values."
+          "description": "A key-value map for any customized purpose.\nIf data already exists on the namespace,\nthis will merge with the existing key values."
         },
         "state": {
           "$ref": "#/definitions/v1NamespaceState",

openapi/openapiv3.yaml

@@ -9059,6 +9059,9 @@ components:
         asyncUpdate:
           type: boolean
           description: True if the namespace supports async update
+        workerHeartbeats:
+          type: boolean
+          description: True if the namespace supports worker heartbeats
       description: Namespace capability details. Should contain what features are enabled in a namespace.
     NamespaceReplicationConfig:
       type: object
@@ -12555,7 +12558,10 @@ components:
           type: object
           additionalProperties:
             type: string
-          description: "A key-value map for any customized purpose.\n If data already exists on the namespace, \n this will merge with the existing key values."
+          description: |-
+            A key-value map for any customized purpose.
+             If data already exists on the namespace,
+             this will merge with the existing key values.
         state:
           enum:
             - NAMESPACE_STATE_UNSPECIFIED

temporal/api/namespace/v1/message.proto

@@ -34,6 +34,8 @@ message NamespaceInfo {
         bool sync_update = 2;
         // True if the namespace supports async update
         bool async_update = 3;
+        // True if the namespace supports worker heartbeats
+        bool worker_heartbeats = 4;
     }
 
     // Whether scheduled workflows are supported on this namespace. This is only needed
@@ -68,8 +70,8 @@ message UpdateNamespaceInfo {
     string description = 1;
     string owner_email = 2;
     // A key-value map for any customized purpose.
-    // If data already exists on the namespace, 
-    // this will merge with the existing key values. 
+    // If data already exists on the namespace,
+    // this will merge with the existing key values.
     map<string, string> data = 3;
     // New namespace state, server will reject if transition is not allowed.
     // Allowed transitions are: