feat: timeline UI overhaul with project/resource panel redesign, quick filters, and API improvements

Redesigned timeline project and resource panels with expanded detail views,
added quick filter toolbar, improved drag handling, and enhanced vacation/entitlement
router logic. Includes e2e test updates and minor API fixes.

Co-Authored-By: claude-flow <ruv@ruv.net>

apps/web/e2e/auth.spec.ts

@@ -11,7 +11,7 @@ test.describe("Authentication", () => {
     await page.fill('input[type="email"]', "admin@planarchy.dev");
     await page.fill('input[type="password"]', "admin123");
     await page.click('button[type="submit"]');
-    await expect(page).toHaveURL(/\/resources/);
+    await expect(page).toHaveURL(/\/(dashboard|resources)/);
   });
 
   test("shows error on invalid credentials", async ({ page }) => {