chore: import Local-Cursor v1.1.8 source snapshot

Includes the current working directory changes. Historical commits and release binaries are excluded to limit Gitea storage.
Source base: d7515973fbfd6dd2001fa156c483455b8081c7cb

internal/backend/server/config/roundtrip_test.go

@@ -0,0 +1,58 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+// 验证用户配置 YAML 往返：Save 后 Load 得到一致的归一化字段，
+// 特别是 *bool（persistentMode）与新增的 refreshIntervalSeconds。
+func TestConfigRoundTrip(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "config.yaml")
+	store := NewStore(path, "")
+
+	input := DefaultConfig()
+	input.HomeMetrics.IncludeCacheWriteInHitRate = true
+	input.HomeMetrics.RefreshIntervalSeconds = 30
+	input.HomeMetrics.PersistentMode = boolPtr(false)
+	input.Routing.Mode = "local"
+	input.ModelAdapters = []ModelAdapterConfig{} // Normalize 会补默认值
+
+	if _, err := store.Save(nil, input); err != nil {
+		t.Fatalf("save: %v", err)
+	}
+
+	loaded, err := store.Load(nil)
+	if err != nil {
+		t.Fatalf("load: %v", err)
+	}
+
+	if loaded.HomeMetrics.IncludeCacheWriteInHitRate != true {
+		t.Error("includeCacheWriteInHitRate round-trip mismatch")
+	}
+	if loaded.HomeMetrics.RefreshIntervalSeconds != 30 {
+		t.Errorf("refreshIntervalSeconds = %d, want 30", loaded.HomeMetrics.RefreshIntervalSeconds)
+	}
+	if loaded.HomeMetrics.PersistentMode == nil || *loaded.HomeMetrics.PersistentMode != false {
+		t.Error("persistentMode round-trip mismatch: want false")
+	}
+	if loaded.Routing.Mode != "local" {
+		t.Errorf("routing.mode = %q, want local", loaded.Routing.Mode)
+	}
+
+	// 幂等：二次保存后再读仍一致。
+	if _, err := store.Save(nil, loaded); err != nil {
+		t.Fatalf("resave: %v", err)
+	}
+	reloaded, err := store.Load(nil)
+	if err != nil {
+		t.Fatalf("reload: %v", err)
+	}
+	if reloaded.HomeMetrics.RefreshIntervalSeconds != 30 {
+		t.Errorf("second load refreshIntervalSeconds = %d, want 30", reloaded.HomeMetrics.RefreshIntervalSeconds)
+	}
+	if _, err := os.Stat(path); err != nil {
+		t.Fatalf("config file missing: %v", err)
+	}
+}