流式生成内容（Beta）

curl --location --request POST 'https://router.shengsuanyun.com/api/v1beta/models/:streamGenerateContent?key=<api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "contents": [
        {
            "role": "user",
            "parts": [
                {
                    "text": "string",
                    "inlineData": {
                        "mimeType": "image/jpeg",
                        "data": "string"
                    },
                    "fileData": {
                        "mimeType": "string",
                        "fileUri": "https://generativelanguage.googleapis.com/v1beta/files/abc123"
                    },
                    "functionCall": {
                        "name": "string",
                        "args": {}
                    },
                    "functionResponse": {
                        "name": "string",
                        "response": {}
                    },
                    "thought": true,
                    "executableCode": {
                        "language": "PYTHON",
                        "code": "string"
                    },
                    "codeExecutionResult": {
                        "outcome": "OUTCOME_OK",
                        "output": "string"
                    }
                }
            ]
        }
    ],
    "systemInstruction": {
        "role": "user",
        "parts": [
            {
                "text": "string",
                "inlineData": {
                    "mimeType": "image/jpeg",
                    "data": "string"
                },
                "fileData": {
                    "mimeType": "string",
                    "fileUri": "https://generativelanguage.googleapis.com/v1beta/files/abc123"
                },
                "functionCall": {
                    "name": "string",
                    "args": {}
                },
                "functionResponse": {
                    "name": "string",
                    "response": {}
                },
                "thought": true,
                "executableCode": {
                    "language": "PYTHON",
                    "code": "string"
                },
                "codeExecutionResult": {
                    "outcome": "OUTCOME_OK",
                    "output": "string"
                }
            }
        ]
    },
    "generationConfig": {
        "temperature": 0.9,
        "topP": 1,
        "topK": 40,
        "maxOutputTokens": 2048,
        "candidateCount": 1,
        "stopSequences": [
            "string"
        ],
        "responseMimeType": "text/plain",
        "responseSchema": {},
        "presencePenalty": -2,
        "frequencyPenalty": -2,
        "responseLogprobs": false,
        "logprobs": 0,
        "seed": 0,
        "responseModalities": [
            "TEXT"
        ],
        "thinkingConfig": {
            "includeThoughts": false,
            "thinkingBudget": 5000
        }
    },
    "safetySettings": [
        {
            "category": "HARM_CATEGORY_HARASSMENT",
            "threshold": "HARM_BLOCK_THRESHOLD_UNSPECIFIED"
        }
    ],
    "tools": [
        {
            "functionDeclarations": [
                {
                    "name": "string",
                    "description": "string",
                    "parameters": {}
                }
            ],
            "googleSearch": {},
            "googleSearchRetrieval": {},
            "codeExecution": {}
        }
    ],
    "toolConfig": {
        "functionCallingConfig": {
            "mode": "AUTO",
            "allowedFunctionNames": [
                "string"
            ]
        }
    },
    "cachedContent": "cachedContents/abc123"
}'