geckolib plugin can't see idle animation

I have an geckolib model + animation that contains only "idle" animation but geckolib doesn't see it. mcreateor 2023.4, minecraft 1.20.1 forge.

Plese help me.

images of this situation:

• https://drive.google.com/file/d/1NP6XxUhoMp7Gwps2LL2IU-VjREwkQVo6/view?usp=sharing
• https://drive.google.com/file/d/1TK9KkrpxCiwlN0qorRANpnfRQH9EH680/view?usp=sharing
• https://drive.google.com/file/d/1grSeJSTECDbMnqB2zojDXwRzh3STye_C/view?usp=sharing

Code of animation file:

{
	"format_version": "1.8.0",
	"animations": {
		"idle": {
			"loop": true,
			"animation_length": 2,
			"bones": {
				"bone": {
					"position": {
						"0.0": {
							"post": {
								"vector": [0, 0, 0]
							},
							"lerp_mode": "catmullrom"
						},
						"1.0": {
							"post": {
								"vector": [0, -2, 0]
							},
							"lerp_mode": "catmullrom"
						},
						"2.0": {
							"post": {
								"vector": [0, 0, 0]
							},
							"lerp_mode": "catmullrom"
						}
					}
				},
				"head": {
					"rotation": {
						"0.0": {
							"vector": [0, 0, 0]
						},
						"1.0": {
							"vector": [2.5, 0, 0]
						},
						"2.0": {
							"vector": [0, 0, 0]
						}
					},
					"position": {
						"0.0": {
							"vector": [0, 0, 0]
						},
						"1.0": {
							"vector": [0, 0, 0.5]
						},
						"2.0": {
							"vector": [0, 0, 0]
						}
					}
				}
			}
		}
	},
	"geckolib_format_version": 2
}