Update application UI and functionality

server/unified-management/internal/db/store_test.go

@@ -4,10 +4,12 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
+	"errors"
 	"os"
 	"path/filepath"
 	"strings"
 	"testing"
+	"time"
 
 	"ymhut-box/server/unified-management/internal/config"
 )
@@ -109,6 +111,45 @@ func TestVerifyAdminPasswordUsesLocalSQLiteWhenRemoteIsUnavailable(t *testing.T)
 	}
 }
 
+func TestVerifyAdminPasswordHonorsContextDeadlineWhenSQLiteIsBusy(t *testing.T) {
+	root := t.TempDir()
+	store, err := Open(&config.Config{
+		StorageDir: root,
+		Database: config.DatabaseConfig{
+			Provider:               "sqlite",
+			SQLitePath:             filepath.Join(root, "busy-login.sqlite"),
+			FailoverEnabled:        true,
+			HealthIntervalSec:      3600,
+			MaxOpenConns:           1,
+			MaxIdleConns:           1,
+			ConnMaxLifetimeSeconds: 60,
+		},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer store.Close()
+	if err := store.EnsureDefaultAdmin(context.Background()); err != nil {
+		t.Fatal(err)
+	}
+
+	conn, err := store.localDB.Conn(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer conn.Close()
+	ctx, cancel := context.WithTimeout(context.Background(), 50*time.Millisecond)
+	defer cancel()
+	started := time.Now()
+	_, ok, err := store.VerifyAdminPassword(ctx, "admin", "admin")
+	if !errors.Is(err, context.DeadlineExceeded) || ok {
+		t.Fatalf("busy login returned ok=%v err=%v, want deadline exceeded", ok, err)
+	}
+	if elapsed := time.Since(started); elapsed > time.Second {
+		t.Fatalf("busy login ignored context deadline for %s", elapsed)
+	}
+}
+
 func TestOpenRecordsCurrentSchemaVersion(t *testing.T) {
 	root := t.TempDir()
 	path := filepath.Join(root, "unified.sqlite")