feat: add search functionality for processes and improve pagination controls

frontend/src/App.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useState, useCallback, useRef } from 'react'
 import { EventsOn, EventsOff } from '../wailsjs/runtime/runtime'
-import { Activity, Cpu, Database, Monitor, ChevronDown, ChevronRight, Layers, X, RefreshCw, OctagonX } from 'lucide-react'
+import { Activity, Cpu, Database, Monitor, ChevronDown, ChevronRight, Layers, X, RefreshCw, OctagonX, Search } from 'lucide-react'
 import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card'
 import { Progress } from '@/components/ui/progress'
 import { cn } from '@/lib/utils'
@@ -525,6 +525,7 @@ export default function App() {
   const [gpuOpen, setGpuOpen] = useState(true)
   const [gpuSortBy, setGpuSortBy] = useState<'vram' | 'ram'>('vram')
   const [navStack, setNavStack] = useState<NavItem[]>([])
+  const [search, setSearch] = useState('')
 
   const openDetail = useCallback((pid: number) => {
     setSelectedPid(pid)
@@ -554,15 +555,18 @@ export default function App() {
       : 0
   const gpuUtilPct = metrics?.gpu_util_percent ?? 0
 
-  const gpuProcesses = [...(metrics?.gpu_processes ?? [])].sort((a, b) =>
+  const searchLower = search.toLowerCase()
-    gpuSortBy === 'vram' ? b.vram_mb - a.vram_mb : b.ram - a.ram
+  const gpuProcesses = [...(metrics?.gpu_processes ?? [])]
-  )
+    .filter(p => !search || p.name.toLowerCase().includes(searchLower) || String(p.pid).includes(search))
+    .sort((a, b) => gpuSortBy === 'vram' ? b.vram_mb - a.vram_mb : b.ram - a.ram)
   const gpuTotalPages = Math.ceil(gpuProcesses.length / gpuPageSize)
   const safeGpuPage = Math.min(gpuPage, Math.max(0, gpuTotalPages - 1))
   const pagedGpuProcesses = gpuProcesses.slice(safeGpuPage * gpuPageSize, (safeGpuPage + 1) * gpuPageSize)
 
   const sortedProcesses = metrics
-    ? [...metrics.processes].sort((a, b) => b[sortBy] - a[sortBy])
+    ? [...metrics.processes]
+        .filter(p => !search || p.name.toLowerCase().includes(searchLower) || String(p.pid).includes(search))
+        .sort((a, b) => b[sortBy] - a[sortBy])
     : []
   const totalPages = Math.ceil(sortedProcesses.length / pageSize)
   const safePage = Math.min(page, Math.max(0, totalPages - 1))
@@ -590,6 +594,26 @@ export default function App() {
       </header>
 
       <main className="p-5 space-y-4 max-w-4xl mx-auto">
+        {/* Search */}
+        <div className="relative">
+          <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-3.5 h-3.5 text-zinc-600 pointer-events-none" />
+          <input
+            type="text"
+            placeholder="Search by name or PID…"
+            value={search}
+            onChange={e => { setSearch(e.target.value); setPage(0); setGpuPage(0) }}
+            className="w-full bg-zinc-900/60 border border-zinc-800 rounded-lg pl-8 pr-8 py-2 text-sm text-zinc-300 placeholder-zinc-700 focus:outline-none focus:border-zinc-600 transition-colors"
+          />
+          {search && (
+            <button
+              onClick={() => { setSearch(''); setPage(0); setGpuPage(0) }}
+              className="absolute right-2.5 top-1/2 -translate-y-1/2 text-zinc-600 hover:text-zinc-400 transition-colors"
+            >
+              <X className="w-3.5 h-3.5" />
+            </button>
+          )}
+        </div>
+
         {/* Processes */}
         <Card>
           <CardHeader
@@ -717,14 +741,14 @@ export default function App() {
                   <span className="text-xs text-zinc-600">
                     {safePage * pageSize + 1}–{Math.min((safePage + 1) * pageSize, sortedProcesses.length)} of {sortedProcesses.length}
                   </span>
-                  <select
+                  <div className="flex rounded border border-zinc-800 overflow-hidden" title="Items per page">
-                    value={pageSize}
+                    {[10, 20, 50, 100].map(n => (
-                    onChange={e => { setPageSize(Number(e.target.value)); setPage(0) }}
+                      <button key={n} onClick={() => { setPageSize(n); setPage(0) }}
-                    className="text-xs bg-zinc-900 border border-zinc-800 text-zinc-400 rounded px-1.5 py-0.5 cursor-pointer hover:border-zinc-600 transition-colors"
+                        className={cn('px-1.5 py-0.5 text-xs transition-colors', pageSize === n ? 'bg-zinc-700 text-zinc-200' : 'bg-zinc-900 text-zinc-600 hover:text-zinc-400 hover:bg-zinc-800')}>
-                    title="Items per page"
+                        {n}
-                  >
+                      </button>
-                    {[10, 20, 50, 100].map(n => <option key={n} value={n}>{n} / page</option>)}
+                    ))}
-                  </select>
+                  </div>
                 </div>
                 <div className="flex items-center gap-1">
                   <button
@@ -910,14 +934,14 @@ export default function App() {
                         <span className="text-xs text-zinc-600">
                           {safeGpuPage * gpuPageSize + 1}–{Math.min((safeGpuPage + 1) * gpuPageSize, gpuProcesses.length)} of {gpuProcesses.length}
                         </span>
-                        <select
+                        <div className="flex rounded border border-zinc-800 overflow-hidden" title="Items per page">
-                          value={gpuPageSize}
+                          {[4, 10, 20, 50].map(n => (
-                          onChange={e => { setGpuPageSize(Number(e.target.value)); setGpuPage(0) }}
+                            <button key={n} onClick={() => { setGpuPageSize(n); setGpuPage(0) }}
-                          className="text-xs bg-zinc-900 border border-zinc-800 text-zinc-400 rounded px-1.5 py-0.5 cursor-pointer hover:border-zinc-600 transition-colors"
+                              className={cn('px-1.5 py-0.5 text-xs transition-colors', gpuPageSize === n ? 'bg-zinc-700 text-zinc-200' : 'bg-zinc-900 text-zinc-600 hover:text-zinc-400 hover:bg-zinc-800')}>
-                          title="Items per page"
+                              {n}
-                        >
+                            </button>
-                          {[4, 10, 20, 50].map(n => <option key={n} value={n}>{n} / page</option>)}
+                          ))}
-                        </select>
+                        </div>
                       </div>
                       <div className="flex items-center gap-1">
                         <button onClick={() => setGpuPage(0)} disabled={safeGpuPage === 0}