Add MCP scope subdirectory regression tests

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/features/claude-code-mcp-loader/scope-filtering.test.ts

@@ -2,6 +2,7 @@ import { afterEach, beforeEach, describe, expect, it, mock } from "bun:test"
 import { mkdirSync, rmSync, writeFileSync } from "fs"
 import { tmpdir } from "os"
 import { join } from "path"
+import { shouldLoadMcpServer } from "./scope-filter"
 
 const TEST_DIR = join(tmpdir(), `mcp-scope-filtering-test-${Date.now()}`)
 const TEST_HOME = join(TEST_DIR, "home")
@@ -27,6 +28,56 @@ describe("loadMcpConfigs", () => {
     rmSync(TEST_DIR, { recursive: true, force: true })
   })
 
+  describe("#given local MCP scope checks", () => {
+    it("#when cwd exactly matches project path #then the server is loaded", () => {
+      const result = shouldLoadMcpServer(
+        {
+          scope: "local",
+          projectPath: "/tmp/repo",
+        },
+        "/tmp/repo"
+      )
+
+      expect(result).toBe(true)
+    })
+
+    it("#when cwd is a subdirectory of project path #then the server is loaded", () => {
+      const result = shouldLoadMcpServer(
+        {
+          scope: "local",
+          projectPath: "/tmp/repo",
+        },
+        "/tmp/repo/packages/app"
+      )
+
+      expect(result).toBe(true)
+    })
+
+    it("#when cwd does not overlap project path #then the server is not loaded", () => {
+      const result = shouldLoadMcpServer(
+        {
+          scope: "local",
+          projectPath: "/tmp/repo",
+        },
+        "/tmp/other"
+      )
+
+      expect(result).toBe(false)
+    })
+
+    it("#when cwd is the parent of project path #then the server is not loaded", () => {
+      const result = shouldLoadMcpServer(
+        {
+          scope: "local",
+          projectPath: "/tmp/repo",
+        },
+        "/tmp"
+      )
+
+      expect(result).toBe(false)
+    })
+  })
+
   describe("#given user-scoped MCP entries with local scope metadata", () => {
     it("#when loading configs #then only servers matching the current project path are loaded", async () => {
       writeFileSync(