improvement(subblock-defaults): custom defaults for subblocks if needed (#1298)

Author: icecrasher321

apps/sim/blocks/blocks/agent.ts

@@ -175,6 +175,7 @@ Create a system prompt appropriately detailed for the request, using clear langu
       layout: 'half',
       min: 0,
       max: 1,
+      defaultValue: 0.5,
       condition: () => ({
         field: 'model',
         value: (() => {
@@ -192,6 +193,7 @@ Create a system prompt appropriately detailed for the request, using clear langu
       layout: 'half',
       min: 0,
       max: 2,
+      defaultValue: 1,
       condition: () => ({
         field: 'model',
         value: (() => {
@@ -289,6 +291,7 @@ Create a system prompt appropriately detailed for the request, using clear langu
       title: 'Tools',
       type: 'tool-input',
       layout: 'full',
+      defaultValue: [],
     },
     {
       id: 'responseFormat',

apps/sim/blocks/types.ts

@@ -103,6 +103,7 @@ export interface SubBlockConfig {
   mode?: 'basic' | 'advanced' | 'both' // Default is 'both' if not specified
   canonicalParamId?: string
   required?: boolean
+  defaultValue?: string | number | boolean | Record<string, unknown> | Array<unknown>
   options?:
     | { label: string; id: string; icon?: React.ComponentType<{ className?: string }> }[]
     | (() => { label: string; id: string; icon?: React.ComponentType<{ className?: string }> }[])

apps/sim/hooks/use-collaborative-workflow.ts

@@ -634,7 +634,7 @@ export function useCollaborativeWorkflow() {
           subBlocks[subBlock.id] = {
             id: subBlock.id,
             type: subBlock.type,
-            value: null,
+            value: subBlock.defaultValue ?? null,
           }
         })
       }