feat(desktop): add cron tool to Tools page UI

- Add 'group:cron' to TOOL_GROUPS in IPC handler and agent tools
- Add cron tool description and group name to use-tools hook
- Add Time04Icon for cron group in tool-list component
- Add subagent group icon (UserMultipleIcon) for completeness

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/desktop/electron/ipc/agent.ts

@@ -14,6 +14,7 @@ const TOOL_GROUPS: Record<string, string[]> = {
   'group:web': ['web_search', 'web_fetch'],
   'group:memory': ['memory_search'],
   'group:subagent': ['sessions_spawn'],
+  'group:cron': ['cron'],
 }
 
 // All known tool names (for display when agent not available)
@@ -23,6 +24,7 @@ const ALL_KNOWN_TOOLS = [
   ...TOOL_GROUPS['group:web'],
   ...TOOL_GROUPS['group:memory'],
   ...TOOL_GROUPS['group:subagent'],
+  ...TOOL_GROUPS['group:cron'],
 ]
 
 /**

apps/desktop/src/components/tool-list.tsx

@@ -11,6 +11,8 @@ import {
   ArrowDown01Icon,
   ArrowUp01Icon,
   Loading03Icon,
+  Time04Icon,
+  UserMultipleIcon,
 } from '@hugeicons/core-free-icons'
 import type { ToolInfo, ToolGroup } from '../hooks/use-tools'
 
@@ -20,6 +22,8 @@ const GROUP_ICONS: Record<string, typeof FolderOpenIcon> = {
   runtime: CodeIcon,
   web: GlobalIcon,
   memory: AiBrainIcon,
+  subagent: UserMultipleIcon,
+  cron: Time04Icon,
   other: CodeIcon,
 }
 

apps/desktop/src/hooks/use-tools.ts

@@ -31,6 +31,8 @@ const TOOL_DESCRIPTIONS: Record<string, string> = {
   memory_set: 'Store a memory value',
   memory_delete: 'Delete a memory value',
   memory_list: 'List all memory keys',
+  memory_search: 'Search memory files for keywords',
+  cron: 'Create and manage scheduled tasks',
 }
 
 // Group display names
@@ -39,6 +41,8 @@ const GROUP_NAMES: Record<string, string> = {
   runtime: 'Runtime',
   web: 'Web',
   memory: 'Memory',
+  subagent: 'Subagent',
+  cron: 'Cron',
   other: 'Other',
 }
 

src/agent/tools/groups.ts

@@ -36,6 +36,9 @@ export const TOOL_GROUPS: Record<string, string[]> = {
   // Subagent tools
   "group:subagent": ["sessions_spawn"],
 
+  // Cron/scheduling tools
+  "group:cron": ["cron"],
+
   // All core tools
   "group:core": [
     "read",