feat: implement optionsEndpoint for dynamic field options

.npmrc

@@ -1 +1,2 @@
 engine-strict=true
+legacy-peer-deps=true

api/bundled.yaml

@@ -2180,6 +2180,9 @@ components:
           type: object
           additionalProperties:
             $ref: '#/components/schemas/ConfigProperty'
+        optionsEndpoint:
+          $ref: '#/components/schemas/OptionsEndpoint'
+          description: REST endpoint to fetch options dynamically at runtime
       required:
         - type
     ConfigSchema:
@@ -3602,6 +3605,52 @@ components:
                   items:
                     type: string
                   description: Improvement suggestions
+    OptionsEndpoint:
+      type: object
+      description: Configuration for fetching select field options from a REST endpoint at runtime
+      required:
+        - url
+      properties:
+        url:
+          type: string
+          description: URL to fetch options from. Supports template variables {nodeTypeId}, {instanceId}, {workflowId}
+          example: /api/flowdrop/secrets
+        method:
+          type: string
+          enum:
+            - GET
+            - POST
+          default: GET
+          description: HTTP method for the request
+        headers:
+          type: object
+          additionalProperties:
+            type: string
+          description: Custom headers to include in the request
+        parameterMapping:
+          type: object
+          additionalProperties:
+            type: string
+          description: Maps template variables to node context paths
+          example:
+            nodeTypeId: metadata.id
+            instanceId: id
+        valuePath:
+          type: string
+          default: value
+          description: JSON path to extract option value from each item
+        labelPath:
+          type: string
+          default: label
+          description: JSON path to extract option label from each item
+        cacheTtl:
+          type: integer
+          default: 300000
+          description: Cache TTL in milliseconds (default 5 minutes)
+        timeout:
+          type: integer
+          default: 10000
+          description: Request timeout in milliseconds
   responses:
     BadRequest:
       description: Bad request - invalid parameters or request body

api/components/schemas/config.yaml

@@ -66,7 +66,7 @@ PortConfig:
     version:
       type: string
       description: Version of the port configuration
-      example: "1.0.0"
+      example: '1.0.0'
     defaultDataType:
       type: string
       description: Default data type to use when none specified
@@ -85,6 +85,51 @@ PortConfig:
     - dataTypes
     - defaultDataType
 
+OptionsEndpoint:
+  type: object
+  description: Configuration for fetching select field options from a REST endpoint at runtime
+  required:
+    - url
+  properties:
+    url:
+      type: string
+      description: URL to fetch options from. Supports template variables {nodeTypeId}, {instanceId}, {workflowId}
+      example: '/api/flowdrop/secrets'
+    method:
+      type: string
+      enum: [GET, POST]
+      default: GET
+      description: HTTP method for the request
+    headers:
+      type: object
+      additionalProperties:
+        type: string
+      description: Custom headers to include in the request
+    parameterMapping:
+      type: object
+      additionalProperties:
+        type: string
+      description: Maps template variables to node context paths
+      example:
+        nodeTypeId: 'metadata.id'
+        instanceId: 'id'
+    valuePath:
+      type: string
+      default: 'value'
+      description: JSON path to extract option value from each item
+    labelPath:
+      type: string
+      default: 'label'
+      description: JSON path to extract option label from each item
+    cacheTtl:
+      type: integer
+      default: 300000
+      description: Cache TTL in milliseconds (default 5 minutes)
+    timeout:
+      type: integer
+      default: 10000
+      description: Request timeout in milliseconds
+
 ConfigProperty:
   type: object
   properties:
@@ -143,6 +188,9 @@ ConfigProperty:
       type: object
       additionalProperties:
         $ref: '#/ConfigProperty'
+    optionsEndpoint:
+      $ref: '#/OptionsEndpoint'
+      description: REST endpoint to fetch options dynamically at runtime
   required:
     - type