feat: Implement API V3 Testing Dashboard and Security Hardening

- Added comprehensive System Testing dashboard with live V3 trace tool.
- Implemented Section 2D 'Fail-Fast' protocol in get_object helper.
- Added reactive JWT synchronization in root layout to ensure V3 consistency.
- Resolved Tailwind 4 @apply compilation errors in testing page.

src/lib/ae_api/api_get_object.ts

@@ -169,6 +169,13 @@ export const get_object = async function get_object({
                     }
                     return null;
                 }
+
+                // FAIL FAST (Section 2D): Do not retry on Auth/Permission failures
+                if (response.status === 401 || response.status === 403) {
+                    console.error(`API Auth Failure (${response.status}). Failing fast as per Section 2D protocol.`);
+                    return false;
+                }
+
                 console.log('The response was not ok. Throwing an error!');
                 throw new Error(`HTTP error! status: ${response.status}`);
             }