fix(javascript): preserve per-field publication and provenance coverage

src/domain/javascript/javascriptSemanticAnalysis.provenance_limits.test.ts

@@ -0,0 +1,26 @@
+import { expect, it } from "vitest";
+import { analyzeJavaScriptSemantics } from "./javascriptSemanticAnalysis.js";
+import { topLevelBinding } from "./javascriptSemanticAnalysis.fixture.js";
+
+it("retains a provenance-only depth limit in canonical file coverage", () => {
+  const analyze = (count: number) =>
+    analyzeJavaScriptSemantics(
+      `const deep=${"a=".repeat(count)}"x"; const stable=7;`,
+    );
+  const shallow = analyze(10);
+  const deep = analyze(300);
+  expect(shallow.coverage.status).toBe("complete");
+  expect(deep.coverage).toMatchObject({
+    status: "partial",
+    omittedCount: null,
+    resourceLimits: ["expression-depth"],
+  });
+  expect(topLevelBinding(deep, "deep").provenance).toMatchObject({
+    status: "unknown",
+    reason: expect.stringContaining("depth budget"),
+  });
+  expect(topLevelBinding(deep, "stable").value).toEqual({
+    status: "literal",
+    value: 7,
+  });
+});