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4badc3b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /**
* Request Builder for Cloud Code
*
* Builds request payloads and headers for the Cloud Code API.
*/
import crypto from 'crypto';
import {
ANTIGRAVITY_HEADERS,
ANTIGRAVITY_SYSTEM_INSTRUCTION,
getModelFamily,
isThinkingModel
} from '../constants.js';
import { convertAnthropicToGoogle } from '../format/index.js';
import { applyProHighThinkingFallback, resolveCloudCodeApiModel } from '../format/model-aliases.js';
import { deriveSessionId } from './session-manager.js';
/**
* Build the wrapped request body for Cloud Code API
*
* @param {Object} anthropicRequest - The Anthropic-format request
* @param {string} projectId - The project ID to use
* @param {string} accountEmail - The account email for session ID derivation
* @returns {Object} The Cloud Code API request payload
*/
export function buildCloudCodeRequest(anthropicRequest, projectId, accountEmail) {
const requestedModel = anthropicRequest.model;
const apiModel = resolveCloudCodeApiModel(requestedModel);
const googleRequest = convertAnthropicToGoogle(anthropicRequest);
applyProHighThinkingFallback(googleRequest, requestedModel);
// Use stable session ID derived from first user message for cache continuity
googleRequest.sessionId = deriveSessionId(anthropicRequest, accountEmail);
// Build system instruction parts array with [ignore] tags to prevent model from
// identifying as "Antigravity" (fixes GitHub issue #76)
// Reference: CLIProxyAPI, gcli2api, AIClient-2-API all use this approach
const systemParts = [
{ text: ANTIGRAVITY_SYSTEM_INSTRUCTION },
{ text: `Please ignore the following [ignore]${ANTIGRAVITY_SYSTEM_INSTRUCTION}[/ignore]` }
];
// Append any existing system instructions from the request
if (googleRequest.systemInstruction && googleRequest.systemInstruction.parts) {
for (const part of googleRequest.systemInstruction.parts) {
if (part.text) {
systemParts.push({ text: part.text });
}
}
}
const payload = {
project: projectId,
model: apiModel,
request: googleRequest,
userAgent: 'antigravity',
requestType: 'agent', // CLIProxyAPI v6.6.89 compatibility
requestId: 'agent-' + crypto.randomUUID()
};
// Inject systemInstruction with role: "user" at the top level (CLIProxyAPI v6.6.89 behavior)
payload.request.systemInstruction = {
role: 'user',
parts: systemParts
};
return payload;
}
/**
* Build headers for Cloud Code API requests
*
* @param {string} token - OAuth access token
* @param {string} model - Model name
* @param {string} accept - Accept header value (default: 'application/json')
* @param {string} [sessionId] - Optional session ID for X-Machine-Session-Id header
* @returns {Object} Headers object
*/
export function buildHeaders(token, model, accept = 'application/json', sessionId) {
const headers = {
'Authorization': `Bearer ${token}`,
'Content-Type': 'application/json',
...ANTIGRAVITY_HEADERS
};
// Add session ID header if provided (matches Antigravity binary behavior)
if (sessionId) {
headers['X-Machine-Session-Id'] = sessionId;
}
const modelFamily = getModelFamily(model);
// Add interleaved thinking header only for Claude thinking models
if (modelFamily === 'claude' && isThinkingModel(model)) {
headers['anthropic-beta'] = 'interleaved-thinking-2025-05-14';
}
if (accept !== 'application/json') {
headers['Accept'] = accept;
}
return headers;
}
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