diff --git a/src/cli/cli.c b/src/cli/cli.c
index 3db818c28..365c31fd2 100644
--- a/src/cli/cli.c
+++ b/src/cli/cli.c
@@ -20,6 +20,7 @@
 #include "daemon/runtime.h"
 #include "daemon/version_cohort.h"
 #include "foundation/compat.h"
+#include "foundation/compat_fs.h"
 #include "foundation/platform.h"
 #include "foundation/constants.h"
 #include "foundation/json_writer.h"
@@ -2718,12 +2719,8 @@ int cbm_remove_zed_mcp_owned(const char *binary_path, const char *config_path) {
 /* ── Agent detection ──────────────────────────────────────────── */
 
 static bool dir_exists(const char *path) {
-    struct stat st;
-#ifndef _WIN32
-    return lstat(path, &st) == 0 && S_ISDIR(st.st_mode);
-#else
-    return stat(path, &st) == 0 && S_ISDIR(st.st_mode);
-#endif
+    cbm_path_info_t info = {0};
+    return cbm_path_info_utf8(path, &info) == CBM_PATH_INFO_OK && info.is_directory;
 }
 
 /* Resolve the Claude Code config dir.
diff --git a/tests/test_cli.c b/tests/test_cli.c
index e3383be78..c3a84c5fb 100644
--- a/tests/test_cli.c
+++ b/tests/test_cli.c
@@ -15281,6 +15281,29 @@ TEST(cli_detect_agents_finds_zed_in_roaming_appdata) {
 }
 #endif
 
+#ifdef _WIN32
+/* #2145: a profile path outside the ANSI code page must stay visible to agent
+ * detection. The directory is created with th_mkdir_p, which goes through the
+ * wide-char API: test_mkdirp uses cbm_mkdir, the narrow _mkdir on Windows,
+ * which would create a code-page-mangled name instead of this one. Cursor is
+ * detected by its directory alone, so the assertion goes through dir_exists. */
+TEST(cli_detect_agents_handles_non_ascii_windows_profile) {
+    char home[1024];
+    snprintf(home, sizeof(home), "%s/cbm-用户-profile", cbm_tmpdir());
+    test_rmdir_r(home);
+    char cursor_dir[1024];
+    snprintf(cursor_dir, sizeof(cursor_dir), "%s/.cursor", home);
+    if (th_mkdir_p(cursor_dir) != 0)
+        FAIL("could not create non-ASCII Windows profile path");
+
+    cbm_detected_agents_t agents = cbm_detect_agents(home);
+    test_rmdir_r(home);
+    if (!agents.cursor)
+        FAIL("agent detection must support non-ASCII Windows profile paths");
+    PASS();
+}
+#endif
+
 TEST(cli_detect_agents_finds_antigravity) {
     char tmpdir[256];
     snprintf(tmpdir, sizeof(tmpdir), "/tmp/cli-detect-XXXXXX");
@@ -19351,6 +19374,7 @@ SUITE(cli) {
 #endif
 #ifdef _WIN32
     RUN_TEST(cli_detect_agents_finds_zed_in_roaming_appdata);
+    RUN_TEST(cli_detect_agents_handles_non_ascii_windows_profile);
 #endif
     RUN_TEST(cli_detect_agents_finds_antigravity);
     RUN_TEST(cli_detect_agents_finds_kilocode);