Add regression test for uppercase directory names in workspaces

Test verifies that `bun --filter` works correctly with workspace
directories containing uppercase letters on case-sensitive filesystems.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/glob/GlobWalker.zig

@@ -211,7 +211,7 @@ pub const DirEntryAccessor = struct {
         pub inline fn next(self: *DirIter) Maybe(?IterResult) {
             if (self.value) |*value| {
                 const nextval = value.next() orelse return .{ .result = null };
-                const name = nextval.key_ptr.*;
+                const name = nextval.value_ptr.*.base();
                 const kind = nextval.value_ptr.*.kind(&FS.instance.fs, true);
                 const fskind = switch (kind) {
                     .file => std.fs.File.Kind.file,

test/regression/issue/11295.test.ts

@@ -0,0 +1,56 @@
+import { spawnSync } from "bun";
+import { test, expect } from "bun:test";
+import { bunEnv, bunExe, tempDirWithFiles } from "harness";
+
+test("bun --filter works with uppercase directory names on case-sensitive filesystems", () => {
+  const dir = tempDirWithFiles("issue-11295", {
+    packages: {
+      "Pkg-a": {
+        "package.json": JSON.stringify({
+          name: "pkg-a",
+          scripts: {
+            test: "echo 'pkg-a test'",
+          },
+        }),
+      },
+      "Pkg-B": {
+        "package.json": JSON.stringify({
+          name: "pkg-b",
+          scripts: {
+            test: "echo 'pkg-b test'",
+          },
+        }),
+      },
+      lowercase: {
+        "package.json": JSON.stringify({
+          name: "lowercase",
+          scripts: {
+            test: "echo 'lowercase test'",
+          },
+        }),
+      },
+    },
+    "package.json": JSON.stringify({
+      name: "root",
+      workspaces: ["packages/*"],
+    }),
+  });
+
+  const { exitCode, stdout, stderr } = spawnSync({
+    cwd: dir,
+    cmd: [bunExe(), "run", "--filter", "./packages/*", "test"],
+    env: bunEnv,
+    stdout: "pipe",
+    stderr: "pipe",
+  });
+
+  const stderrText = stderr.toString();
+  const stdoutText = stdout.toString();
+
+  expect(stderrText).not.toContain("ENOENT");
+  expect(exitCode).toBe(0);
+
+  expect(stdoutText).toContain("pkg-a test");
+  expect(stdoutText).toContain("pkg-b test");
+  expect(stdoutText).toContain("lowercase test");
+});