feat(#37-41): Add domains, ideas, relationships, agents, widgets schema

Schema additions for issues #37-41:

New models:
- Domain (#37): Life domains (work, marriage, homelab, etc.)
- Idea (#38): Brain dumps with pgvector embeddings
- Relationship (#39): Generic entity linking (blocks, depends_on)
- Agent (#40): ClawdBot agent tracking with metrics
- AgentSession (#40): Conversation session tracking
- WidgetDefinition (#41): HUD widget registry
- UserLayout (#41): Per-user dashboard configuration

Updated models:
- Task, Event, Project: Added domainId foreign key
- User, Workspace: Added new relations

New enums:
- IdeaStatus: CAPTURED, PROCESSING, ACTIONABLE, ARCHIVED, DISCARDED
- RelationshipType: BLOCKS, BLOCKED_BY, DEPENDS_ON, etc.
- AgentStatus: IDLE, WORKING, WAITING, ERROR, TERMINATED
- EntityType: Added IDEA, DOMAIN

Migration: 20260129182803_add_domains_ideas_agents_widgets

apps/web/src/app/(auth)/login/page.test.tsx

@@ -0,0 +1,39 @@
+import { describe, it, expect, vi } from "vitest";
+import { render, screen } from "@testing-library/react";
+import LoginPage from "./page";
+
+// Mock next/navigation
+vi.mock("next/navigation", () => ({
+  useRouter: () => ({
+    push: vi.fn(),
+  }),
+}));
+
+describe("LoginPage", () => {
+  it("should render the login page with title", () => {
+    render(<LoginPage />);
+    expect(screen.getByRole("heading", { level: 1 })).toHaveTextContent(
+      "Welcome to Mosaic Stack"
+    );
+  });
+
+  it("should display the description", () => {
+    render(<LoginPage />);
+    const descriptions = screen.getAllByText(/Your personal assistant platform/i);
+    expect(descriptions.length).toBeGreaterThan(0);
+    expect(descriptions[0]).toBeInTheDocument();
+  });
+
+  it("should render the sign in button", () => {
+    render(<LoginPage />);
+    const buttons = screen.getAllByRole("button", { name: /sign in/i });
+    expect(buttons.length).toBeGreaterThan(0);
+    expect(buttons[0]).toBeInTheDocument();
+  });
+
+  it("should have proper layout styling", () => {
+    const { container } = render(<LoginPage />);
+    const main = container.querySelector("main");
+    expect(main).toHaveClass("flex", "min-h-screen");
+  });
+});