test: harden workspace package assumptions

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/plugin/normalize-tool-arg-schemas.test.ts

@@ -21,7 +21,7 @@ function getNestedRecord(record: Record<string, unknown>, key: string): Record<s
 
 async function loadSeparateHostZodModule(): Promise<typeof import("zod")> {
   const pluginPackageDirectory = dirname(Bun.resolveSync("@opencode-ai/plugin/package.json", import.meta.dir))
-  const sourceZodDirectory = join(pluginPackageDirectory, "node_modules", "zod")
+  const sourceZodDirectory = dirname(Bun.resolveSync("zod/package.json", pluginPackageDirectory))
   const tempDirectory = mkdtempSync(join(tmpdir(), "omo-host-zod-"))
   const copiedZodDirectory = join(tempDirectory, "zod")
 

src/shared/mock-module-lifecycle-audit.test.ts

@@ -6,11 +6,6 @@ import ts from "typescript"
 const SOURCE_ROOT = path.resolve(import.meta.dir, "..")
 const MOCK_MODULE_TOKEN = "mock.module"
 const MOCK_MODULE_LIFECYCLE_ALLOWLIST = new Map<string, string>([
-  // TODO(MOCK-MODULE-AUDIT): add cleanup for ast-grep tool module mocks.
-  [
-    path.join(SOURCE_ROOT, "tools", "ast-grep", "tools.test.ts"),
-    "justification: legacy mock.module call predates audit; TODO(MOCK-MODULE-AUDIT): add cleanup",
-  ],
   // TODO(MOCK-MODULE-AUDIT): add cleanup for team mailbox inbox module mocks.
   [
     path.join(SOURCE_ROOT, "features", "team-mode", "team-mailbox", "inbox.test.ts"),
@@ -195,7 +190,6 @@ describe("mock.module lifecycle hygiene", () => {
       if (!contents.includes(MOCK_MODULE_TOKEN)) {
         continue
       }
-
       const sourceFile = ts.createSourceFile(filePath, contents, ts.ScriptTarget.Latest, true)
       if (hasMockModuleCall(sourceFile) && !hasCleanupPattern(sourceFile)) {
         offenders.push(relativeSourcePath(filePath))