chore: 恢复旧布局基线（迁移改动丢失后重建，apps/packages 布局暂存）

server/internal/db/redis_mode_test.go

@@ -0,0 +1,28 @@
+package db
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestParseRedisAddrs(t *testing.T) {
+	got := parseRedisAddrs("127.0.0.1:26379\n127.0.0.1:26380, 10.0.0.1:26379")
+	if len(got) != 3 {
+		t.Fatalf("want 3 addrs, got %#v", got)
+	}
+}
+
+func TestOpenRedisModeValidation(t *testing.T) {
+	_, err := openRedis(ConnReq{Driver: "redis", RedisMode: "sentinel"})
+	if err == nil || !strings.Contains(err.Error(), "Sentinel") {
+		t.Fatalf("sentinel without nodes: %v", err)
+	}
+	_, err = openRedis(ConnReq{Driver: "redis", RedisMode: "sentinel", RedisNodes: "127.0.0.1:26379"})
+	if err == nil || !strings.Contains(err.Error(), "masterName") {
+		t.Fatalf("sentinel without master: %v", err)
+	}
+	_, err = openRedis(ConnReq{Driver: "redis", RedisMode: "cluster"})
+	if err == nil || !strings.Contains(err.Error(), "Cluster") {
+		t.Fatalf("cluster without nodes: %v", err)
+	}
+}