feat(core-shared): add ILogger interface + NoopLogger

packages/core-shared/src/instrumentation/noop-logger.test.ts

@@ -0,0 +1,34 @@
+import { describe, it, expect } from "vitest";
+import { NoopLogger } from "@/instrumentation/noop-logger";
+
+describe("NoopLogger", () => {
+  it("captureException is callable with err and ctx", () => {
+    const logger = new NoopLogger();
+    expect(() => logger.captureException(new Error("x"))).not.toThrow();
+    expect(() =>
+      logger.captureException(new Error("x"), { tags: { feature: "blog" } }),
+    ).not.toThrow();
+  });
+
+  it("captureMessage is callable", () => {
+    const logger = new NoopLogger();
+    expect(() => logger.captureMessage("hello")).not.toThrow();
+    expect(() => logger.captureMessage("hello", "warning")).not.toThrow();
+    expect(() =>
+      logger.captureMessage("hello", "error", { extras: { foo: 1 } }),
+    ).not.toThrow();
+  });
+
+  it("addBreadcrumb is callable", () => {
+    const logger = new NoopLogger();
+    expect(() =>
+      logger.addBreadcrumb({ category: "test", message: "x" }),
+    ).not.toThrow();
+  });
+
+  it("setUser accepts opaque id and null", () => {
+    const logger = new NoopLogger();
+    expect(() => logger.setUser({ id: "u1" })).not.toThrow();
+    expect(() => logger.setUser(null)).not.toThrow();
+  });
+});