feat(components): add GreenPT provider

packages/components/credentials/GreenPTApi.credential.ts

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+import { INodeCredential, INodeParams } from '../src/Interface'
+
+class GreenPTApi implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'GreenPT API'
+        this.name = 'greenPTApi'
+        this.version = 1.0
+        this.inputs = [
+            {
+                label: 'GreenPT API Key',
+                name: 'greenPTApiKey',
+                type: 'password'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: GreenPTApi }

packages/components/nodes/chatmodels/ChatGreenPT/ChatGreenPT.test.ts

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+jest.mock('@langchain/openai', () => ({
+    ChatOpenAI: jest.fn().mockImplementation((fields) => ({ fields }))
+}))
+
+jest.mock('../../../src/utils', () => ({
+    getBaseClasses: jest.fn().mockReturnValue(['BaseChatModel']),
+    getCredentialData: jest.fn(),
+    getCredentialParam: jest.fn()
+}))
+
+jest.mock('../../../src/greenpt', () => ({
+    GREENPT_API_BASE_URL: 'https://api.greenpt.ai/v1',
+    listGreenPTModels: jest.fn()
+}))
+
+import { listGreenPTModels } from '../../../src/greenpt'
+import { getCredentialData, getCredentialParam } from '../../../src/utils'
+
+const { nodeClass: ChatGreenPT } = require('./ChatGreenPT')
+
+describe('ChatGreenPT', () => {
+    beforeEach(() => jest.clearAllMocks())
+
+    it('loads chat models from the GreenPT endpoint', async () => {
+        ;(listGreenPTModels as jest.Mock).mockResolvedValue([{ label: 'glm-5.2', name: 'glm-5.2' }])
+        const node = new ChatGreenPT()
+        const nodeData = { credential: 'cred-1' }
+        const options = { appDataSource: {} }
+
+        await expect(node.loadMethods.listModels(nodeData, options)).resolves.toEqual([{ label: 'glm-5.2', name: 'glm-5.2' }])
+        expect(listGreenPTModels).toHaveBeenCalledWith(nodeData, options, 'chat')
+    })
+
+    it('configures ChatOpenAI for GreenPT', async () => {
+        ;(getCredentialData as jest.Mock).mockResolvedValue({ greenPTApiKey: 'secret' })
+        ;(getCredentialParam as jest.Mock).mockReturnValue('secret')
+        const node = new ChatGreenPT()
+
+        const model = await node.init(
+            {
+                credential: 'cred-1',
+                inputs: {
+                    modelName: 'glm-5.2',
+                    temperature: '0.2',
+                    streaming: false,
+                    maxTokens: '4096',
+                    topP: '0.8'
+                }
+            },
+            '',
+            {}
+        )
+
+        expect(model.fields).toMatchObject({
+            model: 'glm-5.2',
+            apiKey: 'secret',
+            openAIApiKey: 'secret',
+            temperature: 0.2,
+            streaming: false,
+            maxTokens: 4096,
+            topP: 0.8,
+            configuration: { baseURL: 'https://api.greenpt.ai/v1' }
+        })
+    })
+})

packages/components/nodes/chatmodels/ChatGreenPT/ChatGreenPT.ts

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+import { BaseCache } from '@langchain/core/caches'
+import { ChatOpenAI, ChatOpenAIFields } from '@langchain/openai'
+import { GREENPT_API_BASE_URL, listGreenPTModels } from '../../../src/greenpt'
+import { ICommonObject, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+
+class ChatGreenPT_ChatModels implements INode {
+    label: string
+    name: string
+    version: number
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    credential: INodeParams
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'GreenPT'
+        this.name = 'chatGreenPT'
+        this.version = 1.0
+        this.type = 'ChatGreenPT'
+        this.icon = 'greenpt.svg'
+        this.category = 'Chat Models'
+        this.description =
+            'GreenPT is a European AI provider with an OpenAI-compatible API, optimized infrastructure, and data centers powered by 100% renewable energy.'
+        this.baseClasses = [this.type, ...getBaseClasses(ChatOpenAI)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['greenPTApi']
+        }
+        this.inputs = [
+            {
+                label: 'Cache',
+                name: 'cache',
+                type: 'BaseCache',
+                optional: true
+            },
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'asyncOptions',
+                loadMethod: 'listModels',
+                default: 'glm-5.2',
+                description: 'Models are loaded from GreenPT. glm-5.2 is the flagship model; kimi-k2.7-code is optimized for coding.'
+            },
+            {
+                label: 'Temperature',
+                name: 'temperature',
+                type: 'number',
+                step: 0.1,
+                default: 0.7,
+                optional: true
+            },
+            {
+                label: 'Streaming',
+                name: 'streaming',
+                type: 'boolean',
+                default: true,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Max Tokens',
+                name: 'maxTokens',
+                type: 'number',
+                step: 1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Top Probability',
+                name: 'topP',
+                type: 'number',
+                step: 0.1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Frequency Penalty',
+                name: 'frequencyPenalty',
+                type: 'number',
+                step: 0.1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Presence Penalty',
+                name: 'presencePenalty',
+                type: 'number',
+                step: 0.1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Timeout',
+                name: 'timeout',
+                type: 'number',
+                step: 1,
+                optional: true,
+                additionalParams: true
+            }
+        ]
+    }
+
+    loadMethods = {
+        async listModels(nodeData: INodeData, options?: ICommonObject): Promise<INodeOptionsValue[]> {
+            return listGreenPTModels(nodeData, options, 'chat')
+        }
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const apiKey = getCredentialParam('greenPTApiKey', credentialData, nodeData)
+        const obj: ChatOpenAIFields = {
+            model: nodeData.inputs?.modelName as string,
+            apiKey,
+            openAIApiKey: apiKey,
+            temperature: parseFloat(nodeData.inputs?.temperature as string),
+            streaming: (nodeData.inputs?.streaming as boolean) ?? true,
+            configuration: { baseURL: GREENPT_API_BASE_URL }
+        }
+
+        const maxTokens = nodeData.inputs?.maxTokens as string
+        const topP = nodeData.inputs?.topP as string
+        const frequencyPenalty = nodeData.inputs?.frequencyPenalty as string
+        const presencePenalty = nodeData.inputs?.presencePenalty as string
+        const timeout = nodeData.inputs?.timeout as string
+        const cache = nodeData.inputs?.cache as BaseCache
+        if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
+        if (topP) obj.topP = parseFloat(topP)
+        if (frequencyPenalty) obj.frequencyPenalty = parseFloat(frequencyPenalty)
+        if (presencePenalty) obj.presencePenalty = parseFloat(presencePenalty)
+        if (timeout) obj.timeout = parseInt(timeout, 10)
+        if (cache) obj.cache = cache
+
+        return new ChatOpenAI(obj)
+    }
+}
+
+module.exports = { nodeClass: ChatGreenPT_ChatModels }

packages/components/nodes/embeddings/GreenPTEmbedding/GreenPTEmbedding.test.ts

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+jest.mock('@langchain/openai', () => ({
+    OpenAIEmbeddings: jest.fn().mockImplementation((fields) => ({ fields }))
+}))
+
+jest.mock('../../../src/utils', () => ({
+    getBaseClasses: jest.fn().mockReturnValue(['Embeddings']),
+    getCredentialData: jest.fn(),
+    getCredentialParam: jest.fn()
+}))
+
+jest.mock('../../../src/greenpt', () => ({
+    GREENPT_API_BASE_URL: 'https://api.greenpt.ai/v1',
+    listGreenPTModels: jest.fn()
+}))
+
+import { listGreenPTModels } from '../../../src/greenpt'
+import { getCredentialData, getCredentialParam } from '../../../src/utils'
+
+const { nodeClass: GreenPTEmbedding } = require('./GreenPTEmbedding')
+
+describe('GreenPTEmbedding', () => {
+    beforeEach(() => jest.clearAllMocks())
+
+    it('loads embedding models from the GreenPT endpoint', async () => {
+        ;(listGreenPTModels as jest.Mock).mockResolvedValue([{ label: 'green-embedding', name: 'green-embedding' }])
+        const node = new GreenPTEmbedding()
+        const nodeData = { credential: 'cred-1' }
+        const options = { appDataSource: {} }
+
+        await expect(node.loadMethods.listModels(nodeData, options)).resolves.toEqual([
+            { label: 'green-embedding', name: 'green-embedding' }
+        ])
+        expect(listGreenPTModels).toHaveBeenCalledWith(nodeData, options, 'embedding')
+    })
+
+    it('configures OpenAIEmbeddings for GreenPT', async () => {
+        ;(getCredentialData as jest.Mock).mockResolvedValue({ greenPTApiKey: 'secret' })
+        ;(getCredentialParam as jest.Mock).mockReturnValue('secret')
+        const node = new GreenPTEmbedding()
+
+        const model = await node.init(
+            {
+                credential: 'cred-1',
+                inputs: {
+                    modelName: 'green-embedding',
+                    stripNewLines: true,
+                    batchSize: '16',
+                    timeout: '15000'
+                }
+            },
+            '',
+            {}
+        )
+
+        expect(model.fields).toMatchObject({
+            model: 'green-embedding',
+            modelName: 'green-embedding',
+            openAIApiKey: 'secret',
+            stripNewLines: true,
+            batchSize: 16,
+            timeout: 15000,
+            configuration: { baseURL: 'https://api.greenpt.ai/v1' }
+        })
+    })
+})