consolidate literal gen

* improvement(docs): added images and videos to quick references

* moved mp4s to blob, completed quick reference guide

apps/docs/components/ui/action-media.tsx

@@ -0,0 +1,40 @@
+'use client'
+
+import { getAssetUrl } from '@/lib/utils'
+
+interface ActionImageProps {
+  src: string
+  alt: string
+}
+
+interface ActionVideoProps {
+  src: string
+  alt: string
+}
+
+export function ActionImage({ src, alt }: ActionImageProps) {
+  const resolvedSrc = getAssetUrl(src.startsWith('/') ? src.slice(1) : src)
+
+  return (
+    <img
+      src={resolvedSrc}
+      alt={alt}
+      className='inline-block w-full max-w-[200px] rounded border border-neutral-200 dark:border-neutral-700'
+    />
+  )
+}
+
+export function ActionVideo({ src, alt }: ActionVideoProps) {
+  const resolvedSrc = getAssetUrl(src.startsWith('/') ? src.slice(1) : src)
+
+  return (
+    <video
+      src={resolvedSrc}
+      autoPlay
+      loop
+      muted
+      playsInline
+      className='inline-block w-full max-w-[200px] rounded border border-neutral-200 dark:border-neutral-700'
+    />
+  )
+}

apps/docs/content/docs/en/quick-reference/index.mdx

@@ -4,6 +4,7 @@ description: Essential actions for navigating and using the Sim workflow editor
 ---
 
 import { Callout } from 'fumadocs-ui/components/callout'
+import { ActionImage, ActionVideo } from '@/components/ui/action-media'
 
 A quick lookup for everyday actions in the Sim workflow editor. For keyboard shortcuts, see [Keyboard Shortcuts](/keyboard-shortcuts).
 
@@ -13,124 +14,362 @@ A quick lookup for everyday actions in the Sim workflow editor. For keyboard sho
 
 ## Workspaces
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Create a workspace | Click workspace dropdown in sidebar → **New Workspace** |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Rename a workspace | Workspace settings → Edit name |
+  </thead>
-| Switch workspaces | Click workspace dropdown in sidebar → Select workspace |
+  <tbody>
-| Invite team members | Workspace settings → **Team** → **Invite** |
+    <tr>
+      <td>Create a workspace</td>
+      <td>Click workspace dropdown → **New Workspace**</td>
+      <td><ActionVideo src="/static/quick-reference/create-workspace.mp4" alt="Create workspace" /></td>
+    </tr>
+    <tr>
+      <td>Switch workspaces</td>
+      <td>Click workspace dropdown → Select workspace</td>
+      <td><ActionVideo src="/static/quick-reference/switch-workspace.mp4" alt="Switch workspaces" /></td>
+    </tr>
+    <tr>
+      <td>Invite team members</td>
+      <td>Sidebar → **Invite**</td>
+      <td><ActionVideo src="/static/quick-reference/invite.mp4" alt="Invite team members" /></td>
+    </tr>
+    <tr>
+      <td>Rename a workspace</td>
+      <td>Right-click workspace → **Rename**</td>
+      <td rowSpan={4}><ActionImage src="/static/quick-reference/workspace-context-menu.png" alt="Workspace context menu" /></td>
+    </tr>
+    <tr>
+      <td>Duplicate a workspace</td>
+      <td>Right-click workspace → **Duplicate**</td>
+    </tr>
+    <tr>
+      <td>Export a workspace</td>
+      <td>Right-click workspace → **Export**</td>
+    </tr>
+    <tr>
+      <td>Delete a workspace</td>
+      <td>Right-click workspace → **Delete**</td>
+    </tr>
+  </tbody>
+</table>
 
 ## Workflows
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Create a workflow | Click **New Workflow** button or `Mod+Shift+A` |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Rename a workflow | Double-click workflow name in sidebar, or right-click → **Rename** |
+  </thead>
-| Duplicate a workflow | Right-click workflow → **Duplicate** |
+  <tbody>
-| Reorder workflows | Drag workflow up/down in the sidebar list |
+    <tr>
-| Import a workflow | Sidebar menu → **Import** → Select file |
+      <td>Create a workflow</td>
-| Create a folder | Right-click in sidebar → **New Folder** |
+      <td>Click **+** button in sidebar</td>
-| Rename a folder | Right-click folder → **Rename** |
+      <td><ActionImage src="/static/quick-reference/create-workflow.png" alt="Create workflow" /></td>
-| Delete a folder | Right-click folder → **Delete** |
+    </tr>
-| Collapse/expand folder | Click folder arrow, or double-click folder |
+    <tr>
-| Move workflow to folder | Drag workflow onto folder in sidebar |
+      <td>Reorder / move workflows</td>
-| Delete a workflow | Right-click workflow → **Delete** |
+      <td>Drag workflow up/down or onto a folder</td>
-| Export a workflow | Right-click workflow → **Export** |
+      <td><ActionVideo src="/static/quick-reference/reordering.mp4" alt="Reorder workflows" /></td>
-| Assign workflow color | Right-click workflow → **Change Color** |
+    </tr>
-| Multi-select workflows | `Mod+Click` or `Shift+Click` workflows in sidebar |
+    <tr>
-| Open in new tab | Right-click workflow → **Open in New Tab** |
+      <td>Import a workflow</td>
+      <td>Click import button in sidebar → Select file</td>
+      <td><ActionImage src="/static/quick-reference/import-workflow.png" alt="Import workflow" /></td>
+    </tr>
+    <tr>
+      <td>Multi-select workflows</td>
+      <td>`Mod+Click` or `Shift+Click` workflows in sidebar</td>
+      <td><ActionVideo src="/static/quick-reference/multiselect.mp4" alt="Multi-select workflows" /></td>
+    </tr>
+    <tr>
+      <td>Open in new tab</td>
+      <td>Right-click workflow → **Open in New Tab**</td>
+      <td rowSpan={6}><ActionImage src="/static/quick-reference/workflow-context-menu.png" alt="Workflow context menu" /></td>
+    </tr>
+    <tr>
+      <td>Rename a workflow</td>
+      <td>Right-click workflow → **Rename**</td>
+    </tr>
+    <tr>
+      <td>Assign workflow color</td>
+      <td>Right-click workflow → **Change Color**</td>
+    </tr>
+    <tr>
+      <td>Duplicate a workflow</td>
+      <td>Right-click workflow → **Duplicate**</td>
+    </tr>
+    <tr>
+      <td>Export a workflow</td>
+      <td>Right-click workflow → **Export**</td>
+    </tr>
+    <tr>
+      <td>Delete a workflow</td>
+      <td>Right-click workflow → **Delete**</td>
+    </tr>
+    <tr>
+      <td>Rename a folder</td>
+      <td>Right-click folder → **Rename**</td>
+      <td rowSpan={6}><ActionImage src="/static/quick-reference/folder-context-menu.png" alt="Folder context menu" /></td>
+    </tr>
+    <tr>
+      <td>Create workflow in folder</td>
+      <td>Right-click folder → **Create workflow**</td>
+    </tr>
+    <tr>
+      <td>Create folder in folder</td>
+      <td>Right-click folder → **Create folder**</td>
+    </tr>
+    <tr>
+      <td>Duplicate a folder</td>
+      <td>Right-click folder → **Duplicate**</td>
+    </tr>
+    <tr>
+      <td>Export a folder</td>
+      <td>Right-click folder → **Export**</td>
+    </tr>
+    <tr>
+      <td>Delete a folder</td>
+      <td>Right-click folder → **Delete**</td>
+    </tr>
+  </tbody>
+</table>
 
 ## Blocks
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Add a block | Drag from Toolbar panel, or right-click canvas → **Add Block** |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Select a block | Click on the block |
+  </thead>
-| Multi-select blocks | `Mod+Click` additional blocks, or right-drag to draw selection box |
+  <tbody>
-| Move blocks | Drag selected block(s) to new position |
+    <tr>
-| Copy blocks | `Mod+C` with blocks selected |
+      <td>Add a block</td>
-| Paste blocks | `Mod+V` to paste copied blocks |
+      <td>Drag from Toolbar panel, or right-click canvas → **Add Block**</td>
-| Duplicate blocks | Right-click → **Duplicate** |
+      <td><ActionVideo src="/static/quick-reference/add-block.mp4" alt="Add a block" /></td>
-| Delete blocks | `Delete` or `Backspace` key, or right-click → **Delete** |
+    </tr>
-| Rename a block | Click block name in header, or edit in the Editor panel |
+    <tr>
-| Enable/Disable a block | Right-click → **Enable/Disable** |
+      <td>Multi-select blocks</td>
-| Toggle handle orientation | Right-click → **Toggle Handles** |
+      <td>`Mod+Click` additional blocks, or shift-drag to draw selection box</td>
-| Toggle trigger mode | Right-click trigger block → **Toggle Trigger Mode** |
+      <td><ActionVideo src="/static/quick-reference/multiselect-blocks.mp4" alt="Multi-select blocks" /></td>
-| Configure a block | Select block → use Editor panel on right |
+    </tr>
+    <tr>
+      <td>Copy blocks</td>
+      <td>`Mod+C` with blocks selected</td>
+      <td rowSpan={2}><ActionVideo src="/static/quick-reference/copy-paste.mp4" alt="Copy and paste blocks" /></td>
+    </tr>
+    <tr>
+      <td>Paste blocks</td>
+      <td>`Mod+V` to paste copied blocks</td>
+    </tr>
+    <tr>
+      <td>Duplicate blocks</td>
+      <td>Right-click → **Duplicate**</td>
+      <td><ActionVideo src="/static/quick-reference/duplicate-block.mp4" alt="Duplicate blocks" /></td>
+    </tr>
+    <tr>
+      <td>Delete blocks</td>
+      <td>`Delete` or `Backspace` key, or right-click → **Delete**</td>
+      <td><ActionImage src="/static/quick-reference/delete-block.png" alt="Delete block" /></td>
+    </tr>
+    <tr>
+      <td>Rename a block</td>
+      <td>Click block name in header, or edit in the Editor panel</td>
+      <td><ActionVideo src="/static/quick-reference/rename-block.mp4" alt="Rename a block" /></td>
+    </tr>
+    <tr>
+      <td>Enable/Disable a block</td>
+      <td>Right-click → **Enable/Disable**</td>
+      <td><ActionImage src="/static/quick-reference/disable-block.png" alt="Disable block" /></td>
+    </tr>
+    <tr>
+      <td>Toggle handle orientation</td>
+      <td>Right-click → **Toggle Handles**</td>
+      <td><ActionVideo src="/static/quick-reference/toggle-handles.mp4" alt="Toggle handle orientation" /></td>
+    </tr>
+    <tr>
+      <td>Configure a block</td>
+      <td>Select block → use Editor panel on right</td>
+      <td><ActionVideo src="/static/quick-reference/configure-block.mp4" alt="Configure a block" /></td>
+    </tr>
+  </tbody>
+</table>
 
 ## Connections
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Create a connection | Drag from output handle to input handle |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Delete a connection | Click edge to select → `Delete` key |
+  </thead>
-| Use output in another block | Drag connection tag into input field |
+  <tbody>
-
+    <tr>
-## Canvas Navigation
+      <td>Create a connection</td>
-
+      <td>Drag from output handle to input handle</td>
-| Action | How |
+      <td><ActionVideo src="/static/quick-reference/connect-blocks.mp4" alt="Connect blocks" /></td>
-|--------|-----|
+    </tr>
-| Pan/move canvas | Left-drag on empty space, or scroll/trackpad |
+    <tr>
-| Zoom in/out | Scroll wheel or pinch gesture |
+      <td>Delete a connection</td>
-| Auto-layout | `Shift+L` |
+      <td>Click edge to select → `Delete` key</td>
-| Draw selection box | Right-drag on empty canvas area |
+      <td><ActionVideo src="/static/quick-reference/delete-connection.mp4" alt="Delete connection" /></td>
+    </tr>
+    <tr>
+      <td>Use output in another block</td>
+      <td>Drag connection tag into input field</td>
+      <td><ActionVideo src="/static/quick-reference/connection-tag.mp4" alt="Use connection tag" /></td>
+    </tr>
+  </tbody>
+</table>
 
 ## Panels & Views
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Open Copilot tab | Press `C` or click Copilot tab |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Open Toolbar tab | Press `T` or click Toolbar tab |
+  </thead>
-| Open Editor tab | Press `E` or click Editor tab |
+  <tbody>
-| Search toolbar | `Mod+F` |
+    <tr>
-| Toggle advanced mode | Click toggle button on input fields |
+      <td>Search toolbar</td>
-| Resize panels | Drag panel edge |
+      <td>`Mod+F`</td>
-| Collapse/expand sidebar | Click collapse button on sidebar |
+      <td><ActionVideo src="/static/quick-reference/search-toolbar.mp4" alt="Search toolbar" /></td>
+    </tr>
+    <tr>
+      <td>Search everything</td>
+      <td>`Mod+K`</td>
+      <td><ActionImage src="/static/quick-reference/search-everything.png" alt="Search everything" /></td>
+    </tr>
+    <tr>
+      <td>Toggle manual mode</td>
+      <td>Click toggle button to switch between manual and selector</td>
+      <td><ActionImage src="/static/quick-reference/toggle-manual-mode.png" alt="Toggle manual mode" /></td>
+    </tr>
+    <tr>
+      <td>Collapse/expand sidebar</td>
+      <td>Click collapse button on sidebar</td>
+      <td><ActionVideo src="/static/quick-reference/collapse-sidebar.mp4" alt="Collapse sidebar" /></td>
+    </tr>
+  </tbody>
+</table>
 
 ## Running & Testing
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Run workflow | Click Play button or `Mod+Enter` |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Stop workflow | Click Stop button or `Mod+Enter` while running |
+  </thead>
-| Test with chat | Use Chat panel on the right side |
+  <tbody>
-| Select output to view | Click dropdown in Chat panel → Select block output |
+    <tr>
-| Clear chat history | Click clear button in Chat panel |
+      <td>Run workflow</td>
-| View execution logs | Open terminal panel at bottom, or `Mod+L` |
+      <td>Click Run Workflow button or `Mod+Enter`</td>
-| Filter logs by block | Click block filter in terminal |
+      <td><ActionImage src="/static/quick-reference/run-workflow.png" alt="Run workflow" /></td>
-| Filter logs by status | Click status filter in terminal |
+    </tr>
-| Search logs | Use search field in terminal |
+    <tr>
-| Copy log entry | Right-click log entry → **Copy** |
+      <td>Stop workflow</td>
-| Clear terminal | `Mod+D` |
+      <td>Click Stop button or `Mod+Enter` while running</td>
+      <td><ActionImage src="/static/quick-reference/stop-workflow.png" alt="Stop workflow" /></td>
+    </tr>
+    <tr>
+      <td>Test with chat</td>
+      <td>Use Chat panel on the right side</td>
+      <td><ActionImage src="/static/quick-reference/test-chat.png" alt="Test with chat" /></td>
+    </tr>
+    <tr>
+      <td>Select output to view</td>
+      <td>Click dropdown in Chat panel → Select block output</td>
+      <td><ActionImage src="/static/quick-reference/output-select.png" alt="Select output to view" /></td>
+    </tr>
+    <tr>
+      <td>Clear chat history</td>
+      <td>Click clear button in Chat panel</td>
+      <td><ActionImage src="/static/quick-reference/clear-chat.png" alt="Clear chat history" /></td>
+    </tr>
+    <tr>
+      <td>View execution logs</td>
+      <td>Open terminal panel at bottom, or `Mod+L`</td>
+      <td><ActionImage src="/static/quick-reference/terminal.png" alt="Execution logs terminal" /></td>
+    </tr>
+    <tr>
+      <td>Filter logs by block or status</td>
+      <td>Click block filter in terminal or right-click log entry → **Filter by Block** or **Filter by Status**</td>
+      <td><ActionImage src="/static/quick-reference/filter-block.png" alt="Filter logs by block" /></td>
+    </tr>
+    <tr>
+      <td>Search logs</td>
+      <td>Use search field in terminal or right-click log entry → **Search**</td>
+      <td><ActionImage src="/static/quick-reference/terminal-search.png" alt="Search logs" /></td>
+    </tr>
+    <tr>
+      <td>Copy log entry</td>
+      <td>Clipboard Icon or Right-click log entry → **Copy**</td>
+      <td><ActionImage src="/static/quick-reference/copy-log.png" alt="Copy log entry" /></td>
+    </tr>
+    <tr>
+      <td>Clear terminal</td>
+      <td>Trash icon or `Mod+D`</td>
+      <td><ActionImage src="/static/quick-reference/clear-terminal.png" alt="Clear terminal" /></td>
+    </tr>
+  </tbody>
+</table>
 
 ## Deployment
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Deploy a workflow | Click **Deploy** button in Deploy tab |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Update deployment | Click **Update** when changes are detected |
+  </thead>
-| View deployment status | Check status indicator (Live/Update/Deploy) in Deploy tab |
+  <tbody>
-| Revert deployment | Access previous versions in Deploy tab |
+    <tr>
-| Copy webhook URL | Deploy tab → Copy webhook URL |
+      <td>Deploy a workflow</td>
-| Copy API endpoint | Deploy tab → Copy API endpoint URL |
+      <td>Click **Deploy** button in panel</td>
-| Set up a schedule | Add Schedule trigger block → Configure interval |
+      <td><ActionImage src="/static/quick-reference/deploy.png" alt="Deploy workflow" /></td>
+    </tr>
+    <tr>
+      <td>Update deployment</td>
+      <td>Click **Update** when changes are detected</td>
+      <td><ActionImage src="/static/quick-reference/update-deployment.png" alt="Update deployment" /></td>
+    </tr>
+    <tr>
+      <td>View deployment status</td>
+      <td>Check status indicator (Live/Update/Deploy) in Deploy tab</td>
+      <td><ActionImage src="/static/quick-reference/view-deployment.png" alt="View deployment status" /></td>
+    </tr>
+    <tr>
+      <td>Revert deployment</td>
+      <td>Access previous versions in Deploy tab → **Promote to live**</td>
+      <td><ActionImage src="/static/quick-reference/promote-deployment.png" alt="Promote deployment to live" /></td>
+    </tr>
+    <tr>
+      <td>Copy API endpoint</td>
+      <td>Deploy tab → Copy API endpoint URL</td>
+      <td><ActionImage src="/static/quick-reference/copy-api.png" alt="Copy API endpoint" /></td>
+    </tr>
+  </tbody>
+</table>
 
 ## Variables
 
-| Action | How |
+<table>
-|--------|-----|
+  <thead>
-| Add workflow variable | Variables tab → **Add Variable** |
+    <tr><th>Action</th><th>How</th><th>Preview</th></tr>
-| Edit workflow variable | Variables tab → Click variable to edit |
+  </thead>
-| Delete workflow variable | Variables tab → Click delete icon on variable |
+  <tbody>
-| Add environment variable | Settings → **Environment Variables** → **Add** |
+    <tr>
-| Reference a variable | Use `{{variableName}}` syntax in block inputs |
+      <td>Add / Edit / Delete workflow variable</td>
-
+      <td>Panel -> Variables -> **Add Variable**, click to edit, or delete icon</td>
-## Credentials
+      <td><ActionImage src="/static/quick-reference/variables.png" alt="Variables panel" /></td>
-
+    </tr>
-| Action | How |
+    <tr>
-|--------|-----|
+      <td>Add environment variable</td>
-| Add API key | Block credential field → **Add Credential** → Enter API key |
+      <td>Settings → **Environment Variables** → **Add**</td>
-| Connect OAuth account | Block credential field → **Connect** → Authorize with provider |
+      <td><ActionImage src="/static/quick-reference/add-env-variable.png" alt="Add environment variable" /></td>
-| Manage credentials | Settings → **Credentials** |
+    </tr>
-| Remove credential | Settings → **Credentials** → Delete credential |
+    <tr>
+      <td>Reference a workflow variable</td>
+      <td>Use `<blockName.itemName>` syntax in block inputs</td>
+      <td><ActionImage src="/static/quick-reference/variable-reference.png" alt="Reference workflow variable" /></td>
+    </tr>
+    <tr>
+      <td>Reference an environment variable</td>
+      <td>Use `&#123;&#123;ENV_VAR&#125;&#125;` syntax in block inputs</td>
+      <td><ActionImage src="/static/quick-reference/env-variable-reference.png" alt="Reference environment variable" /></td>
+    </tr>
+  </tbody>
+</table>
 

apps/sim/app/api/function/execute/route.ts

@@ -8,6 +8,7 @@ import { executeInIsolatedVM } from '@/lib/execution/isolated-vm'
 import { CodeLanguage, DEFAULT_CODE_LANGUAGE, isValidCodeLanguage } from '@/lib/execution/languages'
 import { escapeRegExp, normalizeName, REFERENCE } from '@/executor/constants'
 import { type OutputSchema, resolveBlockReference } from '@/executor/utils/block-reference'
+import { formatLiteralForCode } from '@/executor/utils/code-formatting'
 import {
   createEnvVarPattern,
   createWorkflowVariablePattern,
@@ -387,7 +388,12 @@ function resolveWorkflowVariables(
       if (type === 'number') {
         variableValue = Number(variableValue)
       } else if (type === 'boolean') {
-        variableValue = variableValue === 'true' || variableValue === true
+        if (typeof variableValue === 'boolean') {
+          // Already a boolean, keep as-is
+        } else {
+          const normalized = String(variableValue).toLowerCase().trim()
+          variableValue = normalized === 'true'
+        }
       } else if (type === 'json' && typeof variableValue === 'string') {
         try {
           variableValue = JSON.parse(variableValue)
@@ -687,11 +693,7 @@ export async function POST(req: NextRequest) {
         prologue += `const environmentVariables = JSON.parse(${JSON.stringify(JSON.stringify(envVars))});\n`
         prologueLineCount++
         for (const [k, v] of Object.entries(contextVariables)) {
-          if (v === undefined) {
+          prologue += `const ${k} = ${formatLiteralForCode(v, 'javascript')};\n`
-            prologue += `const ${k} = undefined;\n`
-          } else {
-            prologue += `const ${k} = JSON.parse(${JSON.stringify(JSON.stringify(v))});\n`
-          }
           prologueLineCount++
         }
 
@@ -762,11 +764,7 @@ export async function POST(req: NextRequest) {
       prologue += `environmentVariables = json.loads(${JSON.stringify(JSON.stringify(envVars))})\n`
       prologueLineCount++
       for (const [k, v] of Object.entries(contextVariables)) {
-        if (v === undefined) {
+        prologue += `${k} = ${formatLiteralForCode(v, 'python')}\n`
-          prologue += `${k} = None\n`
-        } else {
-          prologue += `${k} = json.loads(${JSON.stringify(JSON.stringify(v))})\n`
-        }
         prologueLineCount++
       }
       const wrapped = [

apps/sim/executor/utils/code-formatting.ts

@@ -0,0 +1,48 @@
+/**
+ * Formats a JavaScript/TypeScript value as a code literal for the target language.
+ * Handles special cases like null, undefined, booleans, and Python-specific number representations.
+ *
+ * @param value - The value to format
+ * @param language - Target language ('javascript' or 'python')
+ * @returns A string literal representation valid in the target language
+ *
+ * @example
+ * formatLiteralForCode(null, 'python') // => 'None'
+ * formatLiteralForCode(true, 'python') // => 'True'
+ * formatLiteralForCode(NaN, 'python')  // => "float('nan')"
+ * formatLiteralForCode("hello", 'javascript') // => '"hello"'
+ * formatLiteralForCode({a: 1}, 'python') // => "json.loads('{\"a\":1}')"
+ */
+export function formatLiteralForCode(value: unknown, language: 'javascript' | 'python'): string {
+  const isPython = language === 'python'
+
+  if (value === undefined) {
+    return isPython ? 'None' : 'undefined'
+  }
+  if (value === null) {
+    return isPython ? 'None' : 'null'
+  }
+  if (typeof value === 'boolean') {
+    return isPython ? (value ? 'True' : 'False') : String(value)
+  }
+  if (typeof value === 'number') {
+    if (Number.isNaN(value)) {
+      return isPython ? "float('nan')" : 'NaN'
+    }
+    if (value === Number.POSITIVE_INFINITY) {
+      return isPython ? "float('inf')" : 'Infinity'
+    }
+    if (value === Number.NEGATIVE_INFINITY) {
+      return isPython ? "float('-inf')" : '-Infinity'
+    }
+    return String(value)
+  }
+  if (typeof value === 'string') {
+    return JSON.stringify(value)
+  }
+  // Objects and arrays - Python needs json.loads() because JSON true/false/null aren't valid Python
+  if (isPython) {
+    return `json.loads(${JSON.stringify(JSON.stringify(value))})`
+  }
+  return JSON.stringify(value)
+}

apps/sim/executor/variables/resolver.ts

@@ -157,7 +157,14 @@ export class VariableResolver {
 
     let replacementError: Error | null = null
 
-    // Use generic utility for smart variable reference replacement
+    const blockType = block?.metadata?.id
+    const language =
+      blockType === BlockType.FUNCTION
+        ? ((block?.config?.params as Record<string, unknown> | undefined)?.language as
+            | string
+            | undefined)
+        : undefined
+
     let result = replaceValidReferences(template, (match) => {
       if (replacementError) return match
 
@@ -167,14 +174,7 @@ export class VariableResolver {
           return match
         }
 
-        const blockType = block?.metadata?.id
+        return this.blockResolver.formatValueForBlock(resolved, blockType, language)
-        const isInTemplateLiteral =
-          blockType === BlockType.FUNCTION &&
-          template.includes('${') &&
-          template.includes('}') &&
-          template.includes('`')
-
-        return this.blockResolver.formatValueForBlock(resolved, blockType, isInTemplateLiteral)
       } catch (error) {
         replacementError = error instanceof Error ? error : new Error(String(error))
         return match

apps/sim/executor/variables/resolvers/block.test.ts

@@ -257,15 +257,9 @@ describe('BlockResolver', () => {
       expect(result).toBe('"hello"')
     })
 
-    it.concurrent('should format string for function block in template literal', () => {
+    it.concurrent('should format object for function block', () => {
       const resolver = new BlockResolver(createTestWorkflow())
-      const result = resolver.formatValueForBlock('hello', 'function', true)
+      const result = resolver.formatValueForBlock({ a: 1 }, 'function')
-      expect(result).toBe('hello')
-    })
-
-    it.concurrent('should format object for function block in template literal', () => {
-      const resolver = new BlockResolver(createTestWorkflow())
-      const result = resolver.formatValueForBlock({ a: 1 }, 'function', true)
       expect(result).toBe('{"a":1}')
     })
 

apps/sim/executor/variables/resolvers/block.ts

@@ -10,6 +10,7 @@ import {
   type OutputSchema,
   resolveBlockReference,
 } from '@/executor/utils/block-reference'
+import { formatLiteralForCode } from '@/executor/utils/code-formatting'
 import {
   navigatePath,
   type ResolutionContext,
@@ -159,17 +160,13 @@ export class BlockResolver implements Resolver {
     return this.nameToBlockId.get(normalizeName(name))
   }
 
-  public formatValueForBlock(
+  public formatValueForBlock(value: any, blockType: string | undefined, language?: string): string {
-    value: any,
-    blockType: string | undefined,
-    isInTemplateLiteral = false
-  ): string {
     if (blockType === 'condition') {
       return this.stringifyForCondition(value)
     }
 
     if (blockType === 'function') {
-      return this.formatValueForCodeContext(value, isInTemplateLiteral)
+      return this.formatValueForCodeContext(value, language)
     }
 
     if (blockType === 'response') {
@@ -210,29 +207,7 @@ export class BlockResolver implements Resolver {
     return String(value)
   }
 
-  private formatValueForCodeContext(value: any, isInTemplateLiteral: boolean): string {
+  private formatValueForCodeContext(value: any, language?: string): string {
-    if (isInTemplateLiteral) {
+    return formatLiteralForCode(value, language === 'python' ? 'python' : 'javascript')
-      if (typeof value === 'string') {
-        return value
-      }
-      if (typeof value === 'object' && value !== null) {
-        return JSON.stringify(value)
-      }
-      return String(value)
-    }
-
-    if (typeof value === 'string') {
-      return JSON.stringify(value)
-    }
-    if (typeof value === 'object' && value !== null) {
-      return JSON.stringify(value)
-    }
-    if (value === undefined) {
-      return 'undefined'
-    }
-    if (value === null) {
-      return 'null'
-    }
-    return String(value)
   }
 }

apps/sim/executor/variables/resolvers/reference.ts

@@ -30,7 +30,10 @@ export function navigatePath(obj: any, path: string[]): any {
     const arrayMatch = part.match(/^([^[]+)(\[.+)$/)
     if (arrayMatch) {
       const [, prop, bracketsPart] = arrayMatch
-      current = current[prop]
+      current =
+        typeof current === 'object' && current !== null
+          ? (current as Record<string, unknown>)[prop]
+          : undefined
       if (current === undefined || current === null) {
         return undefined
       }
@@ -49,7 +52,10 @@ export function navigatePath(obj: any, path: string[]): any {
       const index = Number.parseInt(part, 10)
       current = Array.isArray(current) ? current[index] : undefined
     } else {
-      current = current[part]
+      current =
+        typeof current === 'object' && current !== null
+          ? (current as Record<string, unknown>)[part]
+          : undefined
     }
   }
   return current

apps/sim/lib/execution/isolated-vm-worker.cjs

@@ -132,6 +132,8 @@ async function executeCode(request) {
     for (const [key, value] of Object.entries(contextVariables)) {
       if (value === undefined) {
         await jail.set(key, undefined)
+      } else if (value === null) {
+        await jail.set(key, null)
       } else {
         await jail.set(key, new ivm.ExternalCopy(value).copyInto())
       }

apps/sim/lib/workflows/variables/variable-manager.test.ts

@@ -26,7 +26,7 @@ describe('VariableManager', () => {
     it.concurrent('should handle boolean type variables', () => {
       expect(VariableManager.parseInputForStorage('true', 'boolean')).toBe(true)
       expect(VariableManager.parseInputForStorage('false', 'boolean')).toBe(false)
-      expect(VariableManager.parseInputForStorage('1', 'boolean')).toBe(true)
+      expect(VariableManager.parseInputForStorage('1', 'boolean')).toBe(false)
       expect(VariableManager.parseInputForStorage('0', 'boolean')).toBe(false)
       expect(VariableManager.parseInputForStorage('"true"', 'boolean')).toBe(true)
       expect(VariableManager.parseInputForStorage("'false'", 'boolean')).toBe(false)
@@ -128,7 +128,7 @@ describe('VariableManager', () => {
       expect(VariableManager.resolveForExecution(false, 'boolean')).toBe(false)
       expect(VariableManager.resolveForExecution('true', 'boolean')).toBe(true)
       expect(VariableManager.resolveForExecution('false', 'boolean')).toBe(false)
-      expect(VariableManager.resolveForExecution('1', 'boolean')).toBe(true)
+      expect(VariableManager.resolveForExecution('1', 'boolean')).toBe(false)
       expect(VariableManager.resolveForExecution('0', 'boolean')).toBe(false)
     })
 

apps/sim/lib/workflows/variables/variable-manager.ts

@@ -61,7 +61,7 @@ export class VariableManager {
         // Special case for 'anything else' in the test
         if (unquoted === 'anything else') return true
         const normalized = String(unquoted).toLowerCase().trim()
-        return normalized === 'true' || normalized === '1'
+        return normalized === 'true'
       }
 
       case 'object':