feat(journeys): add top paths table component

components/journeys/TopPathsTable.tsx

@@ -0,0 +1,80 @@
+'use client'
+
+import type { TopPath } from '@/lib/api/journeys'
+import { TableSkeleton } from '@/components/skeletons'
+
+interface TopPathsTableProps {
+  paths: TopPath[]
+  loading: boolean
+}
+
+function formatDuration(seconds: number): string {
+  if (seconds <= 0) return '0s'
+  const m = Math.floor(seconds / 60)
+  const s = Math.round(seconds % 60)
+  if (m === 0) return `${s}s`
+  return `${m}m ${s}s`
+}
+
+export default function TopPathsTable({ paths, loading }: TopPathsTableProps) {
+  const hasData = paths.length > 0
+
+  return (
+    <div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-2xl p-6">
+      <div className="flex items-center justify-between mb-1">
+        <h3 className="text-lg font-semibold text-neutral-900 dark:text-white">
+          Top Paths
+        </h3>
+      </div>
+      <p className="text-sm text-neutral-500 dark:text-neutral-400 mb-4">
+        Most common navigation paths across sessions
+      </p>
+
+      {loading ? (
+        <TableSkeleton rows={7} cols={4} />
+      ) : hasData ? (
+        <div>
+          {/* Header */}
+          <div className="flex items-center px-2 -mx-2 mb-2 text-xs font-medium text-neutral-400 dark:text-neutral-500 uppercase tracking-wider">
+            <span className="w-8 text-right shrink-0">#</span>
+            <span className="flex-1 ml-3">Path</span>
+            <span className="w-20 text-right shrink-0">Sessions</span>
+            <span className="w-16 text-right shrink-0">Dur.</span>
+          </div>
+
+          {/* Rows */}
+          <div className="space-y-0.5">
+            {paths.map((path, i) => (
+              <div
+                key={i}
+                className="flex items-center h-9 group hover:bg-neutral-50 dark:hover:bg-neutral-800/50 rounded-lg px-2 -mx-2 transition-colors"
+              >
+                <span className="w-8 text-right shrink-0 text-sm tabular-nums text-neutral-400">
+                  {i + 1}
+                </span>
+                <span
+                  className="flex-1 ml-3 text-sm text-neutral-900 dark:text-white truncate"
+                  title={path.page_sequence.join(' → ')}
+                >
+                  {path.page_sequence.join(' → ')}
+                </span>
+                <span className="w-20 text-right shrink-0 text-sm tabular-nums text-neutral-600 dark:text-neutral-400">
+                  {path.session_count.toLocaleString()}
+                </span>
+                <span className="w-16 text-right shrink-0 text-sm tabular-nums text-neutral-600 dark:text-neutral-400">
+                  {formatDuration(path.avg_duration)}
+                </span>
+              </div>
+            ))}
+          </div>
+        </div>
+      ) : (
+        <div className="flex items-center justify-center py-12">
+          <p className="text-sm text-neutral-500 dark:text-neutral-400">
+            No path data available
+          </p>
+        </div>
+      )}
+    </div>
+  )
+}