Add React UI with Vite

Dashboard, agents, goals, issues, and projects pages with sidebar
navigation. API client layer, custom hooks, and shared layout
components. Built with Vite and TypeScript.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ui/src/pages/Goals.tsx

@@ -0,0 +1,49 @@
+import { useCallback } from "react";
+import { goalsApi } from "../api/goals";
+import { useApi } from "../hooks/useApi";
+import { cn } from "../lib/utils";
+
+const levelColors: Record<string, string> = {
+  company: "bg-purple-100 text-purple-800",
+  team: "bg-blue-100 text-blue-800",
+  agent: "bg-indigo-100 text-indigo-800",
+  task: "bg-gray-100 text-gray-600",
+};
+
+export function Goals() {
+  const fetcher = useCallback(() => goalsApi.list(), []);
+  const { data: goals, loading, error } = useApi(fetcher);
+
+  return (
+    <div>
+      <h2 className="text-2xl font-bold mb-4">Goals</h2>
+      {loading && <p className="text-gray-500">Loading...</p>}
+      {error && <p className="text-red-600">{error.message}</p>}
+      {goals && goals.length === 0 && <p className="text-gray-500">No goals yet.</p>}
+      {goals && goals.length > 0 && (
+        <div className="grid gap-4">
+          {goals.map((goal) => (
+            <div key={goal.id} className="bg-white rounded-lg border border-gray-200 p-4">
+              <div className="flex items-center justify-between">
+                <div>
+                  <h3 className="font-semibold">{goal.title}</h3>
+                  {goal.description && (
+                    <p className="text-sm text-gray-500 mt-1">{goal.description}</p>
+                  )}
+                </div>
+                <span
+                  className={cn(
+                    "inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-medium",
+                    levelColors[goal.level] ?? "bg-gray-100 text-gray-600"
+                  )}
+                >
+                  {goal.level}
+                </span>
+              </div>
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}