chore: fix unresolved imports and tighten knip cross-workspace entries

Delete orphaned voice-mcp-agent-smoke.ts (voice-mcp-bridge was removed
in cff41d78). Fix model-catalog.e2e.test.ts import path. Extend knip
server entries to cover shared/client cross-workspace imports.

packages/server/src/server/agent/model-catalog.e2e.test.ts

@@ -1,7 +1,7 @@
 import { describe, expect, test } from "vitest";
 import { execFileSync } from "node:child_process";
 
-import type { AgentModelDefinition } from "../agent-sdk-types.js";
+import type { AgentModelDefinition } from "./agent-sdk-types.js";
 import { createDaemonTestContext } from "../test-utils/index.js";
 
 function isBinaryInstalled(binary: string): boolean {