test: refactored test suites to eliminate time-based sleeps and polling loops

- Replaced time-based sleeps and polling loops with event-driven promise resolvers and fake timers across agent and tool tests.
- Migrated test suites to share in-memory auth storage and fixtures using lifecycle hooks.
- Updated catalog model definitions, metadata, and configurations.

packages/coding-agent/test/sdk-computer-tool-toggle.test.ts

@@ -48,6 +48,13 @@ describe("AgentSession.setComputerToolEnabled", () => {
 			settings,
 			model: getBundledModel("openai", "gpt-4o-mini"),
 			disableExtensionDiscovery: true,
+			skills: [],
+			contextFiles: [],
+			promptTemplates: [],
+			slashCommands: [],
+			enableMCP: false,
+			enableLsp: false,
+			skipPythonPreflight: true,
 		});
 		sessions.push(session);