refactor(test): keep coverage at behavioral boundaries (#474)

* refactor(test): keep coverage at behavioral boundaries

* fix(ci): restore package workflow temp-root classification

src/application/ProcessCaptureError.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from "vitest";
+
+import { projectAnalysisError } from "../domain/errors.js";
+import {
+  ProcessCaptureError,
+  processCaptureCancelled,
+} from "./ProcessCaptureError.js";
+
+describe("process capture error projection", () => {
+  it("reports incomplete cleanup resources without exposing its cause", () => {
+    const projected = projectAnalysisError(
+      new ProcessCaptureError("terminal cleanup failed", {
+        cause: new Error("secret-token"),
+        reason: "cleanup_incomplete",
+        cleanupResources: ["process_group"],
+      }),
+    );
+
+    expect(projected).toMatchObject({
+      code: "cleanup_incomplete",
+      details: { cleanup: "incomplete", resources: ["process_group"] },
+    });
+    expect(JSON.stringify(projected)).not.toContain("secret-token");
+  });
+
+  it("projects caller cancellation as completed cleanup", () => {
+    expect(projectAnalysisError(processCaptureCancelled())).toMatchObject({
+      code: "cancelled",
+      category: "cancelled",
+      details: { operation: "process_capture", cleanup: "complete" },
+    });
+  });
+});