feat: prioritize lazy options loading and live overview wiring

- queue OPS-001 Caddy route for vd1.uncloud.vpn
- lazy-load options expirations/chains per expiry
- wire overview to live quote data and persisted portfolio config
- extend browser test to verify live quote metadata

tests/test_e2e_playwright.py

@@ -18,6 +18,7 @@ def test_homepage_and_options_page_render() -> None:
         expect(page).to_have_title("NiceGUI")
         expect(page.locator("text=Vault Dashboard").first).to_be_visible(timeout=10000)
         expect(page.locator("text=Overview").first).to_be_visible(timeout=10000)
+        expect(page.locator("text=Live quote source:").first).to_be_visible(timeout=15000)
         page.screenshot(path=str(ARTIFACTS / "overview.png"), full_page=True)
 
         page.goto(f"{BASE_URL}/options", wait_until="domcontentloaded", timeout=30000)