fix: align schedule policy transport types

contracts/workflow-api.manifest.json

@@ -9065,6 +9065,10 @@
           "required": false,
           "schema": {
             "default": "skip",
+            "enum": [
+              "skip",
+              "parallel"
+            ],
             "type": "string"
           }
         },
@@ -9073,6 +9077,10 @@
           "required": false,
           "schema": {
             "default": "skip",
+            "enum": [
+              "skip",
+              "latest"
+            ],
             "type": "string"
           }
         },
@@ -9404,6 +9412,10 @@
           "schema": {
             "anyOf": [
               {
+                "enum": [
+                  "skip",
+                  "parallel"
+                ],
                 "type": "string"
               },
               {
@@ -9419,6 +9431,10 @@
           "schema": {
             "anyOf": [
               {
+                "enum": [
+                  "skip",
+                  "latest"
+                ],
                 "type": "string"
               },
               {
@@ -9434,6 +9450,7 @@
           "schema": {
             "anyOf": [
               {
+                "minimum": 1,
                 "type": "integer"
               },
               {
@@ -9449,6 +9466,7 @@
           "schema": {
             "anyOf": [
               {
+                "minimum": 0,
                 "type": "number"
               },
               {
@@ -9464,6 +9482,7 @@
           "schema": {
             "anyOf": [
               {
+                "minimum": 1,
                 "type": "integer"
               },
               {