Fix: Remove broken getKlausurApiUrl and clean up empty lines

sed replacement left orphaned hostname references in story page
and empty lines in getApiBase functions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

admin-lehrer/app/(admin)/ai/rag-pipeline/_components/SharedWidgets.tsx

@@ -0,0 +1,168 @@
+'use client'
+
+import type { TrainingJob } from '../types'
+
+// Tab Button
+export function TabButton({ active, onClick, children }: {
+  active: boolean
+  onClick: () => void
+  children: React.ReactNode
+}) {
+  return (
+    <button
+      onClick={onClick}
+      className={`px-4 py-2 text-sm font-medium rounded-lg transition-colors ${
+        active
+          ? 'bg-blue-600 text-white'
+          : 'text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700'
+      }`}
+    >
+      {children}
+    </button>
+  )
+}
+
+// Progress Ring Component
+export function ProgressRing({ progress, size = 120, strokeWidth = 8, color = '#10B981' }: {
+  progress: number
+  size?: number
+  strokeWidth?: number
+  color?: string
+}) {
+  const radius = (size - strokeWidth) / 2
+  const circumference = radius * 2 * Math.PI
+  const offset = circumference - (progress / 100) * circumference
+
+  return (
+    <div className="relative" style={{ width: size, height: size }}>
+      <svg className="transform -rotate-90" width={size} height={size}>
+        <circle
+          cx={size / 2}
+          cy={size / 2}
+          r={radius}
+          stroke="currentColor"
+          strokeWidth={strokeWidth}
+          fill="none"
+          className="text-gray-200 dark:text-gray-700"
+        />
+        <circle
+          cx={size / 2}
+          cy={size / 2}
+          r={radius}
+          stroke={color}
+          strokeWidth={strokeWidth}
+          fill="none"
+          strokeDasharray={circumference}
+          strokeDashoffset={offset}
+          strokeLinecap="round"
+          className="transition-all duration-500"
+        />
+      </svg>
+      <div className="absolute inset-0 flex items-center justify-center">
+        <span className="text-2xl font-bold text-gray-900 dark:text-white">
+          {Math.round(progress)}%
+        </span>
+      </div>
+    </div>
+  )
+}
+
+// Mini Line Chart Component
+export function MiniChart({ data, color = '#10B981', height = 60 }: {
+  data: number[]
+  color?: string
+  height?: number
+}) {
+  if (!data.length) return null
+
+  const max = Math.max(...data)
+  const min = Math.min(...data)
+  const range = max - min || 1
+  const width = 200
+  const padding = 4
+
+  const points = data.map((value, i) => {
+    const x = padding + (i / (data.length - 1)) * (width - 2 * padding)
+    const y = padding + (1 - (value - min) / range) * (height - 2 * padding)
+    return `${x},${y}`
+  }).join(' ')
+
+  return (
+    <svg width={width} height={height} className="overflow-visible">
+      <polyline
+        points={points}
+        fill="none"
+        stroke={color}
+        strokeWidth={2}
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      {data.length > 0 && (
+        <circle
+          cx={padding + ((data.length - 1) / (data.length - 1)) * (width - 2 * padding)}
+          cy={padding + (1 - (data[data.length - 1] - min) / range) * (height - 2 * padding)}
+          r={4}
+          fill={color}
+        />
+      )}
+    </svg>
+  )
+}
+
+// Status Badge
+export function StatusBadge({ status }: { status: TrainingJob['status'] }) {
+  const styles = {
+    queued: 'bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-300',
+    preparing: 'bg-yellow-100 text-yellow-800 dark:bg-yellow-900 dark:text-yellow-200',
+    training: 'bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200',
+    validating: 'bg-purple-100 text-purple-800 dark:bg-purple-900 dark:text-purple-200',
+    completed: 'bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-200',
+    failed: 'bg-red-100 text-red-800 dark:bg-red-900 dark:text-red-200',
+    paused: 'bg-orange-100 text-orange-800 dark:bg-orange-900 dark:text-orange-200',
+  }
+
+  const labels = {
+    queued: 'In Warteschlange',
+    preparing: 'Vorbereitung',
+    training: 'Indexierung laeuft',
+    validating: 'Validierung',
+    completed: 'Abgeschlossen',
+    failed: 'Fehlgeschlagen',
+    paused: 'Pausiert',
+  }
+
+  return (
+    <span className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium ${styles[status]}`}>
+      {status === 'training' && (
+        <span className="w-2 h-2 mr-1.5 bg-blue-500 rounded-full animate-pulse" />
+      )}
+      {labels[status]}
+    </span>
+  )
+}
+
+// Metric Card
+export function MetricCard({ label, value, trend, color }: {
+  label: string
+  value: number | string
+  trend?: 'up' | 'down' | 'neutral'
+  color?: string
+}) {
+  return (
+    <div className="bg-white dark:bg-gray-800 rounded-xl p-4 shadow-sm border border-gray-200 dark:border-gray-700">
+      <p className="text-sm text-gray-500 dark:text-gray-400 mb-1">{label}</p>
+      <div className="flex items-baseline gap-1">
+        <span className="text-2xl font-bold" style={{ color: color || 'inherit' }}>
+          {typeof value === 'number' ? value.toFixed(3) : value}
+        </span>
+        {trend && (
+          <span className={`ml-2 text-sm ${
+            trend === 'up' ? 'text-green-500' : trend === 'down' ? 'text-red-500' : 'text-gray-400'
+          }`}>
+            {trend === 'up' ? '\u2191' : trend === 'down' ? '\u2193' : '\u2192'}
+          </span>
+        )}
+      </div>
+    </div>
+  )
+}