First pass at pulling the v1.5 CLI, TUI, and Launcher clients into v2.

clients/web/src/test/core/logging/logger.test.ts

@@ -0,0 +1,27 @@
+import { describe, it, expect } from "vitest";
+import { silentLogger } from "../../../../../../core/logging/logger.js";
+
+describe("silentLogger", () => {
+  it("reports silent level", () => {
+    expect(silentLogger.level).toBe("silent");
+  });
+
+  it("accepts log calls at every level without throwing", () => {
+    expect(() => {
+      silentLogger.fatal("fatal");
+      silentLogger.error("error");
+      silentLogger.warn("warn");
+      silentLogger.info("info");
+      silentLogger.debug("debug");
+      silentLogger.trace("trace");
+      silentLogger.silent("silent");
+    }).not.toThrow();
+  });
+
+  it("child returns a logger that remains silent", () => {
+    const child = silentLogger.child({ component: "test" });
+    expect(child.level).toBe("silent");
+    expect(() => child.info("nested")).not.toThrow();
+    expect(child.child()).toBe(child);
+  });
+});

clients/web/src/test/core/mcp/node/config.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect, beforeEach, afterEach } from "vitest";
-import { mkdtempSync, writeFileSync, rmSync } from "node:fs";
+import { mkdirSync, mkdtempSync, writeFileSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import {
@@ -170,10 +170,16 @@ describe("resolveServerConfigs — single mode", () => {
     ).toThrow(/Only stdio transport can be used with local commands/);
   });
 
-  it("rejects an empty target with no URL", () => {
-    expect(() => resolveServerConfigs({ target: [] }, "single")).toThrow(
-      /Target is required/,
-    );
+  it("uses the default config path when no target or --config is given", () => {
+    const prevHome = process.env.HOME;
+    process.env.HOME = tempDir;
+    try {
+      expect(() => resolveServerConfigs({ target: [] }, "single")).toThrow(
+        /Config file not found/,
+      );
+    } finally {
+      process.env.HOME = prevHome;
+    }
   });
 
   it("loads a named server from config", () => {
@@ -358,6 +364,26 @@ describe("resolveServerConfigs — multi mode", () => {
     expect(configs[0]?.type).toBe("stdio");
   });
 
+  it("loads the default config path when no args are given", () => {
+    const prevHome = process.env.HOME;
+    const homeDir = join(tempDir, "home");
+    mkdirSync(homeDir, { recursive: true });
+    const defaultConfig = join(homeDir, ".mcp-inspector", "mcp.json");
+    mkdirSync(join(homeDir, ".mcp-inspector"), { recursive: true });
+    writeFileSync(
+      defaultConfig,
+      JSON.stringify({ mcpServers: { a: { command: "a" } } }),
+    );
+    process.env.HOME = homeDir;
+    try {
+      const configs = resolveServerConfigs({}, "multi");
+      expect(configs).toHaveLength(1);
+      expect(configs[0]).toMatchObject({ type: "stdio", command: "a" });
+    } finally {
+      process.env.HOME = prevHome;
+    }
+  });
+
   it("rejects ad-hoc flags alongside a config path", () => {
     writeFileSync(
       configPath,