fix(chat): label workflow dry runs as validation

Author: Sg312

apps/sim/lib/mothership/tools/tool-display.test.ts

@@ -72,6 +72,27 @@ describe('humanizeToolName', () => {
 })
 
 describe('getToolDisplayTitle natural-language coverage', () => {
+  it.each(['cli_workflows_operations_apply', 'cli_workflows_state_replace'])(
+    'distinguishes validation from mutation for %s',
+    (name) => {
+      const command =
+        name === 'cli_workflows_operations_apply' ? ['operations', 'apply'] : ['state', 'replace']
+      const args = ['--output', 'json', 'workflows', ...command, 'workflow-id']
+      const title = getToolDisplayTitle(name, { args: [...args, '--dry-run'] })
+      expect(title).toBe('Validating workflow changes')
+      expect(getToolStatusDisplayTitle(title, 'success', name)).toBe('Validated workflow changes')
+      expect(getToolStatusDisplayTitle(title, 'error', name)).toBe(
+        'Failed validating workflow changes'
+      )
+      expect(getToolDisplayTitle(name, { args })).toBe(
+        name === 'cli_workflows_operations_apply' ? 'Editing workflow' : 'Rewriting workflow'
+      )
+      expect(
+        getToolDisplayTitle(name, { args: [...args, '--operations', '["--dry-run"]'] })
+      ).not.toBe('Validating workflow changes')
+    }
+  )
+
   it('gives gerund titles to tools that previously fell through to humanize', () => {
     expect(getToolDisplayTitle('deploy_as_api')).toBe('Deploying as API')
     expect(getToolDisplayTitle('list_workspace_mcp_servers')).toBe('Listing MCP servers')

apps/sim/lib/mothership/tools/tool-display.ts

@@ -824,6 +824,12 @@ export function getToolDisplayTitle(name: string, args?: Record<string, unknown>
   }
 
   switch (name) {
+    case 'cli_workflows_operations_apply':
+    case 'cli_workflows_state_replace':
+      if (stringArrayArg(args, 'args').includes('--dry-run')) {
+        return 'Validating workflow changes'
+      }
+      return CLI_TOOL_TITLES[name] ?? humanizeToolName(name)
     case 'deploy_as_api':
       return deploymentTitle(args, 'API')
     case 'deploy_as_chat':