fix(usage): preserve platform test contracts

packages/server/src/server/agent/providers/omp/usage-reference.test.ts

@@ -242,13 +242,18 @@ test("named profile ignores agent override and uses existing XDG profile data",
     );
   profileDb.close();
   expect(
-    resolveOmpUsageReference("session-1", "openai-codex", {
-      OMP_PROFILE: "work",
-      PI_PROFILE: "other",
-      PI_CODING_AGENT_DIR: f.agentDir,
-      PI_CONFIG_DIR: join(root, "config"),
-      XDG_DATA_HOME: join(root, "xdg"),
-    }),
+    resolveOmpUsageReference(
+      "session-1",
+      "openai-codex",
+      {
+        OMP_PROFILE: "work",
+        PI_PROFILE: "other",
+        PI_CODING_AGENT_DIR: f.agentDir,
+        PI_CONFIG_DIR: join(root, "config"),
+        XDG_DATA_HOME: join(root, "xdg"),
+      },
+      "linux",
+    ),
   ).toEqual({ source: "codex", input: { accessToken: "profile-token" } });
 });
 

packages/server/src/server/agent/providers/omp/usage-reference.ts

@@ -129,6 +129,7 @@ export function resolveOmpUsageReference(
   sessionId: string,
   provider: string,
   env: NodeJS.ProcessEnv,
+  platform: NodeJS.Platform = process.platform,
 ): UsageReference | null {
   let source: string;
   if (provider === "openai-codex") source = "codex";
@@ -136,7 +137,7 @@ export function resolveOmpUsageReference(
   else return null;
   if (!sessionId) return null;
   // Upstream: packages/utils/src/dirs.ts:82-94,330-343,583-585 (profile, override, agent dir).
-  const paths = resolveOmpDiagnosticPaths(env);
+  const paths = resolveOmpDiagnosticPaths(env, undefined, platform);
   if (hasKeyOverride(provider, env, paths.agentDir)) return null;
   let db: UsageDb;
   try {

packages/server/src/server/plugins/internal-boundary.test.ts

@@ -29,7 +29,7 @@ async function checkInternalPluginBoundary(directory: string): Promise<void> {
       if (hostModules.has(specifier) || isBuiltin(specifier)) continue;
       const resolved = reader.resolve(specifier, file, dependency.kind);
       const relative = resolved && path.relative(directory, resolved);
-      const owned = relative && /^(server|shared)\//.test(relative);
+      const owned = relative && /^(server|shared)[\\/]/.test(relative);
       if (!specifier.startsWith(".") || !owned) {
         throw new Error(`Internal plugin import boundary: ${file} imports ${specifier}`);
       }