feat(graph): Implement Graph View with Dagre Layout and Epic Scope (bb-18e)

src/app/graph/page.tsx

@@ -0,0 +1,38 @@
+import { DependencyGraphPage } from '../../components/graph/dependency-graph-page';
+
+export const dynamic = 'force-dynamic';
+import { readIssuesForScope } from '../../lib/aggregate-read';
+import { resolveProjectScope } from '../../lib/project-scope';
+import { listProjects } from '../../lib/registry';
+
+interface GraphPageProps {
+  searchParams?: Promise<Record<string, string | string[] | undefined>>;
+}
+
+export default async function GraphPage({ searchParams }: GraphPageProps) {
+  const params = (await searchParams) ?? {};
+  const requestedProjectKey = typeof params.project === 'string' ? params.project : null;
+  const requestedMode = typeof params.mode === 'string' ? params.mode : null;
+  const registryProjects = await listProjects();
+  const scope = resolveProjectScope({
+    currentProjectRoot: process.cwd(),
+    registryProjects,
+    requestedProjectKey,
+    requestedMode,
+  });
+
+  const issues = await readIssuesForScope({
+    mode: scope.mode,
+    selected: scope.selected,
+    scopeOptions: scope.options,
+  });
+  return (
+    <DependencyGraphPage
+      issues={issues}
+      projectRoot={scope.selected.root}
+      projectScopeKey={scope.selected.key}
+      projectScopeOptions={scope.options}
+      projectScopeMode={scope.mode}
+    />
+  );
+}