补充AI下次时间接口异常入参与验证记录

internal/smoke/handler/smoke_next_handler_test.go

@@ -0,0 +1,33 @@
+package handler
+
+import "testing"
+
+func TestResolveNextSmokeMode(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name  string
+		input string
+		mode  string
+		ok    bool
+	}{
+		{name: "默认值", input: "", mode: "auto", ok: true},
+		{name: "自动模式", input: "auto", mode: "auto", ok: true},
+		{name: "AI模式", input: "ai", mode: "ai", ok: true},
+		{name: "默认策略模式", input: "default", mode: "default", ok: true},
+		{name: "大小写兼容", input: "AI", mode: "ai", ok: true},
+		{name: "非法值", input: "fast", mode: "", ok: false},
+	}
+
+	for _, tc := range tests {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			gotMode, gotOK := resolveNextSmokeMode(tc.input)
+			if gotMode != tc.mode || gotOK != tc.ok {
+				t.Fatalf("resolveNextSmokeMode(%q)=(%q,%v), want=(%q,%v)", tc.input, gotMode, gotOK, tc.mode, tc.ok)
+			}
+		})
+	}
+}