Add SystemInfoModal component and integrate system info fetching in App

ui/src/App.tsx

@@ -1,48 +1,61 @@
-import { useState } from 'react'
-import Header from '@/components/Header'
-import InstanceList from '@/components/InstanceList'
-import InstanceModal from '@/components/InstanceModal'
-import { CreateInstanceOptions, Instance } from '@/types/instance'
-import { useInstances } from '@/contexts/InstancesContext'
+import { useState } from "react";
+import Header from "@/components/Header";
+import InstanceList from "@/components/InstanceList";
+import InstanceModal from "@/components/InstanceModal";
+import { CreateInstanceOptions, Instance } from "@/types/instance";
+import { useInstances } from "@/contexts/InstancesContext";
+import SystemInfoModal from "./components/SystemInfoModal";
 
 function App() {
-  const [isModalOpen, setIsModalOpen] = useState(false)
-  const [editingInstance, setEditingInstance] = useState<Instance | undefined>(undefined)
-  const { createInstance, updateInstance } = useInstances()
+  const [isInstanceModalOpen, setIsInstanceModalOpen] = useState(false);
+  const [isSystemInfoModalOpen, setIsSystemInfoModalOpen] = useState(false);
+  const [editingInstance, setEditingInstance] = useState<Instance | undefined>(
+    undefined
+  );
+  const { createInstance, updateInstance } = useInstances();
 
   const handleCreateInstance = () => {
-    setEditingInstance(undefined)
-    setIsModalOpen(true)
-  }
+    setEditingInstance(undefined);
+    setIsInstanceModalOpen(true);
+  };
 
   const handleEditInstance = (instance: Instance) => {
-    setEditingInstance(instance)
-    setIsModalOpen(true)
-  }
+    setEditingInstance(instance);
+    setIsInstanceModalOpen(true);
+  };
 
   const handleSaveInstance = (name: string, options: CreateInstanceOptions) => {
     if (editingInstance) {
-      updateInstance(editingInstance.name, options)
+      updateInstance(editingInstance.name, options);
     } else {
-      createInstance(name, options)
+      createInstance(name, options);
     }
-  }
+  };
+
+  const handleShowSystemInfo = () => {
+    setIsSystemInfoModalOpen(true);
+  };
 
   return (
     <div className="min-h-screen bg-gray-50">
-      <Header onCreateInstance={handleCreateInstance} />
+      <Header onCreateInstance={handleCreateInstance} onShowSystemInfo={handleShowSystemInfo} />
       <main className="container mx-auto max-w-4xl px-4 py-8">
         <InstanceList editInstance={handleEditInstance} />
       </main>
-      
+
       <InstanceModal
-        open={isModalOpen}
-        onOpenChange={setIsModalOpen}
+        open={isInstanceModalOpen}
+        onOpenChange={setIsInstanceModalOpen}
         onSave={handleSaveInstance}
         instance={editingInstance}
       />
+
+      <SystemInfoModal
+        open={isSystemInfoModalOpen}
+        onOpenChange={setIsSystemInfoModalOpen}
+      />
     </div>
-  )
+  );
 }
 
-export default App
+export default App;

ui/src/components/Header.tsx

@@ -1,10 +1,12 @@
-import { Button } from '@/components/ui/button'
+import { Button } from "@/components/ui/button";
+import { HelpCircle } from "lucide-react";
 
 interface HeaderProps {
-  onCreateInstance: () => void
+  onCreateInstance: () => void;
+  onShowSystemInfo: () => void;
 }
 
-function Header({ onCreateInstance }: HeaderProps) {
+function Header({ onCreateInstance, onShowSystemInfo }: HeaderProps) {
   return (
     <header className="bg-white border-b border-gray-200">
       <div className="container mx-auto max-w-4xl px-4 py-4">
@@ -12,14 +14,23 @@ function Header({ onCreateInstance }: HeaderProps) {
           <h1 className="text-2xl font-bold text-gray-900">
             LlamaCtl Dashboard
           </h1>
-          
-          <Button onClick={onCreateInstance}>
-            Create Instance
-          </Button>
+
+          <div className="flex items-center gap-2">
+            <Button onClick={onCreateInstance}>Create Instance</Button>
+
+            <Button
+              variant="outline"
+              size="icon"
+              onClick={onShowSystemInfo}
+              title="System Info"
+            >
+              <HelpCircle className="h-4 w-4" />
+            </Button>
+          </div>
         </div>
       </div>
     </header>
-  )
+  );
 }
 
-export default Header
+export default Header;

ui/src/components/SystemInfoModal.tsx

@@ -0,0 +1,184 @@
+// ui/src/components/SystemInfoModal.tsx
+import React, { useState, useEffect } from 'react'
+import { Button } from '@/components/ui/button'
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog'
+import { 
+  RefreshCw, 
+  AlertCircle,
+  Loader2,
+  ChevronDown,
+  ChevronRight,
+  Monitor,
+  HelpCircle
+} from 'lucide-react'
+import { serverApi } from '@/lib/api'
+
+interface SystemInfoModalProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+}
+
+interface SystemInfo {
+  version: string
+  devices: string
+  help: string
+}
+
+const SystemInfoModal: React.FC<SystemInfoModalProps> = ({
+  open,
+  onOpenChange
+}) => {
+  const [systemInfo, setSystemInfo] = useState<SystemInfo | null>(null)
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const [showHelp, setShowHelp] = useState(false)
+
+  // Fetch system info
+  const fetchSystemInfo = async () => {
+    setLoading(true)
+    setError(null)
+    
+    try {
+      const [version, devices, help] = await Promise.all([
+        serverApi.getVersion(),
+        serverApi.getDevices(),
+        serverApi.getHelp()
+      ])
+      
+      setSystemInfo({ version, devices, help })
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Failed to fetch system info')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  // Load data when modal opens
+  useEffect(() => {
+    if (open) {
+      fetchSystemInfo()
+    }
+  }, [open])
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange} >
+      <DialogContent className="sm:max-w-4xl max-w-[calc(100%-2rem)] max-h-[80vh] flex flex-col">
+        <DialogHeader>
+          <div className="flex items-center justify-between">
+            <div>
+              <DialogTitle className="flex items-center gap-2">
+                <Monitor className="h-5 w-5" />
+                System Information
+              </DialogTitle>
+              <DialogDescription>
+                Llama.cpp server environment and capabilities
+              </DialogDescription>
+            </div>
+            
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={fetchSystemInfo}
+              disabled={loading}
+            >
+              {loading ? (
+                <Loader2 className="h-4 w-4 animate-spin" />
+              ) : (
+                <RefreshCw className="h-4 w-4" />
+              )}
+            </Button>
+          </div>
+        </DialogHeader>
+
+        <div className="flex-1 overflow-y-auto">
+          {loading && !systemInfo ? (
+            <div className="flex items-center justify-center py-12">
+              <Loader2 className="h-6 w-6 animate-spin text-gray-400" />
+              <span className="ml-2 text-gray-400">Loading system information...</span>
+            </div>
+          ) : error ? (
+            <div className="flex items-center gap-2 p-4 bg-destructive/10 border border-destructive/20 rounded-lg">
+              <AlertCircle className="h-4 w-4 text-destructive" />
+              <span className="text-sm text-destructive">{error}</span>
+            </div>
+          ) : systemInfo ? (
+            <div className="space-y-6">
+              {/* Version Section */}
+              <div className="space-y-3">
+                <h3 className="font-semibold">Version</h3>
+                
+                <div className="bg-gray-900 rounded-lg p-4">
+                  <div className="mb-2">
+                    <span className="text-sm text-gray-400">$ llama-server --version</span>
+                  </div>
+                  <pre className="text-sm text-gray-300 whitespace-pre-wrap font-mono">
+                    {systemInfo.version}
+                  </pre>
+                </div>
+              </div>
+
+              {/* Devices Section */}
+              <div className="space-y-3">
+                <div className="flex items-center gap-2">
+                  <h3 className="font-semibold">Available Devices</h3>
+                </div>
+                
+                <div className="bg-gray-900 rounded-lg p-4">
+                  <div className="mb-2">
+                    <span className="text-sm text-gray-400">$ llama-server --list-devices</span>
+                  </div>
+                  <pre className="text-sm text-gray-300 whitespace-pre-wrap font-mono">
+                    {systemInfo.devices}
+                  </pre>
+                </div>
+              </div>
+
+              {/* Help Section */}
+              <div className="space-y-3">
+                <Button
+                  variant="ghost"
+                  onClick={() => setShowHelp(!showHelp)}
+                  className="flex items-center gap-2 p-0 h-auto font-semibold"
+                >
+                  {showHelp ? (
+                    <ChevronDown className="h-4 w-4" />
+                  ) : (
+                    <ChevronRight className="h-4 w-4" />
+                  )}
+                  <HelpCircle className="h-4 w-4" />
+                  Command Line Options
+                </Button>
+                
+                {showHelp && (
+                  <div className="bg-gray-900 rounded-lg p-4">
+                    <div className="mb-2">
+                      <span className="text-sm text-gray-400">$ llama-server --help</span>
+                    </div>
+                    <pre className="text-sm text-gray-300 whitespace-pre-wrap font-mono max-h-64 overflow-y-auto">
+                      {systemInfo.help}
+                    </pre>
+                  </div>
+                )}
+              </div>
+            </div>
+          ) : null}
+        </div>
+
+        <DialogFooter>
+          <Button onClick={() => onOpenChange(false)}>
+            Close
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  )
+}
+
+export default SystemInfoModal

ui/src/lib/api.ts

@@ -68,6 +68,30 @@ async function apiCall<T>(
   }
 }
 
+// Server API functions  
+export const serverApi = {
+  // GET /server/help
+  getHelp: async (): Promise<string> => {
+    const response = await fetch(`${API_BASE}/server/help`)
+    if (!response.ok) throw new Error(`HTTP ${response.status}`)
+    return response.text()
+  },
+  
+  // GET /server/version  
+  getVersion: async (): Promise<string> => {
+    const response = await fetch(`${API_BASE}/server/version`)
+    if (!response.ok) throw new Error(`HTTP ${response.status}`)
+    return response.text()
+  },
+  
+  // GET /server/devices
+  getDevices: async (): Promise<string> => {
+    const response = await fetch(`${API_BASE}/server/devices`)
+    if (!response.ok) throw new Error(`HTTP ${response.status}`)
+    return response.text()
+  },
+}
+
 // Instance API functions
 export const instancesApi = {
   // GET /instances