feat: 实现 Antigravity OAuth 账户支持与路径分流

src/utils/anthropicRequestDump.js

@@ -0,0 +1,126 @@
+const fs = require('fs/promises')
+const path = require('path')
+const logger = require('./logger')
+const { getProjectRoot } = require('./projectPaths')
+
+const REQUEST_DUMP_ENV = 'ANTHROPIC_DEBUG_REQUEST_DUMP'
+const REQUEST_DUMP_MAX_BYTES_ENV = 'ANTHROPIC_DEBUG_REQUEST_DUMP_MAX_BYTES'
+const REQUEST_DUMP_FILENAME = 'anthropic-requests-dump.jsonl'
+
+function isEnabled() {
+  const raw = process.env[REQUEST_DUMP_ENV]
+  if (!raw) {
+    return false
+  }
+  return raw === '1' || raw.toLowerCase() === 'true'
+}
+
+function getMaxBytes() {
+  const raw = process.env[REQUEST_DUMP_MAX_BYTES_ENV]
+  if (!raw) {
+    return 2 * 1024 * 1024
+  }
+  const parsed = Number.parseInt(raw, 10)
+  if (!Number.isFinite(parsed) || parsed <= 0) {
+    return 2 * 1024 * 1024
+  }
+  return parsed
+}
+
+function maskSecret(value) {
+  if (value === null || value === undefined) {
+    return value
+  }
+  const str = String(value)
+  if (str.length <= 8) {
+    return '***'
+  }
+  return `${str.slice(0, 4)}...${str.slice(-4)}`
+}
+
+function sanitizeHeaders(headers) {
+  const sensitive = new Set([
+    'authorization',
+    'proxy-authorization',
+    'x-api-key',
+    'cookie',
+    'set-cookie',
+    'x-forwarded-for',
+    'x-real-ip'
+  ])
+
+  const out = {}
+  for (const [k, v] of Object.entries(headers || {})) {
+    const key = k.toLowerCase()
+    if (sensitive.has(key)) {
+      out[key] = maskSecret(v)
+      continue
+    }
+    out[key] = v
+  }
+  return out
+}
+
+function safeJsonStringify(payload, maxBytes) {
+  let json = ''
+  try {
+    json = JSON.stringify(payload)
+  } catch (e) {
+    return JSON.stringify({
+      type: 'anthropic_request_dump_error',
+      error: 'JSON.stringify_failed',
+      message: e?.message || String(e)
+    })
+  }
+
+  if (Buffer.byteLength(json, 'utf8') <= maxBytes) {
+    return json
+  }
+
+  const truncated = Buffer.from(json, 'utf8').subarray(0, maxBytes).toString('utf8')
+  return JSON.stringify({
+    type: 'anthropic_request_dump_truncated',
+    maxBytes,
+    originalBytes: Buffer.byteLength(json, 'utf8'),
+    partialJson: truncated
+  })
+}
+
+async function dumpAnthropicMessagesRequest(req, meta = {}) {
+  if (!isEnabled()) {
+    return
+  }
+
+  const maxBytes = getMaxBytes()
+  const filename = path.join(getProjectRoot(), REQUEST_DUMP_FILENAME)
+
+  const record = {
+    ts: new Date().toISOString(),
+    requestId: req?.requestId || null,
+    method: req?.method || null,
+    url: req?.originalUrl || req?.url || null,
+    ip: req?.ip || null,
+    meta,
+    headers: sanitizeHeaders(req?.headers || {}),
+    body: req?.body || null
+  }
+
+  const line = `${safeJsonStringify(record, maxBytes)}\n`
+
+  try {
+    await fs.appendFile(filename, line, { encoding: 'utf8' })
+  } catch (e) {
+    logger.warn('Failed to dump Anthropic request', {
+      filename,
+      requestId: req?.requestId || null,
+      error: e?.message || String(e)
+    })
+  }
+}
+
+module.exports = {
+  dumpAnthropicMessagesRequest,
+  REQUEST_DUMP_ENV,
+  REQUEST_DUMP_MAX_BYTES_ENV,
+  REQUEST_DUMP_FILENAME
+}

src/utils/anthropicResponseDump.js

@@ -0,0 +1,125 @@
+const fs = require('fs/promises')
+const path = require('path')
+const logger = require('./logger')
+const { getProjectRoot } = require('./projectPaths')
+
+const RESPONSE_DUMP_ENV = 'ANTHROPIC_DEBUG_RESPONSE_DUMP'
+const RESPONSE_DUMP_MAX_BYTES_ENV = 'ANTHROPIC_DEBUG_RESPONSE_DUMP_MAX_BYTES'
+const RESPONSE_DUMP_FILENAME = 'anthropic-responses-dump.jsonl'
+
+function isEnabled() {
+  const raw = process.env[RESPONSE_DUMP_ENV]
+  if (!raw) {
+    return false
+  }
+  return raw === '1' || raw.toLowerCase() === 'true'
+}
+
+function getMaxBytes() {
+  const raw = process.env[RESPONSE_DUMP_MAX_BYTES_ENV]
+  if (!raw) {
+    return 2 * 1024 * 1024
+  }
+  const parsed = Number.parseInt(raw, 10)
+  if (!Number.isFinite(parsed) || parsed <= 0) {
+    return 2 * 1024 * 1024
+  }
+  return parsed
+}
+
+function safeJsonStringify(payload, maxBytes) {
+  let json = ''
+  try {
+    json = JSON.stringify(payload)
+  } catch (e) {
+    return JSON.stringify({
+      type: 'anthropic_response_dump_error',
+      error: 'JSON.stringify_failed',
+      message: e?.message || String(e)
+    })
+  }
+
+  if (Buffer.byteLength(json, 'utf8') <= maxBytes) {
+    return json
+  }
+
+  const truncated = Buffer.from(json, 'utf8').subarray(0, maxBytes).toString('utf8')
+  return JSON.stringify({
+    type: 'anthropic_response_dump_truncated',
+    maxBytes,
+    originalBytes: Buffer.byteLength(json, 'utf8'),
+    partialJson: truncated
+  })
+}
+
+function summarizeAnthropicResponseBody(body) {
+  const content = Array.isArray(body?.content) ? body.content : []
+  const toolUses = content.filter((b) => b && b.type === 'tool_use')
+  const texts = content
+    .filter((b) => b && b.type === 'text' && typeof b.text === 'string')
+    .map((b) => b.text)
+    .join('')
+
+  return {
+    id: body?.id || null,
+    model: body?.model || null,
+    stop_reason: body?.stop_reason || null,
+    usage: body?.usage || null,
+    content_blocks: content.map((b) => (b ? b.type : null)).filter(Boolean),
+    tool_use_names: toolUses.map((b) => b.name).filter(Boolean),
+    text_preview: texts ? texts.slice(0, 800) : ''
+  }
+}
+
+async function dumpAnthropicResponse(req, responseInfo, meta = {}) {
+  if (!isEnabled()) {
+    return
+  }
+
+  const maxBytes = getMaxBytes()
+  const filename = path.join(getProjectRoot(), RESPONSE_DUMP_FILENAME)
+
+  const record = {
+    ts: new Date().toISOString(),
+    requestId: req?.requestId || null,
+    url: req?.originalUrl || req?.url || null,
+    meta,
+    response: responseInfo
+  }
+
+  const line = `${safeJsonStringify(record, maxBytes)}\n`
+  try {
+    await fs.appendFile(filename, line, { encoding: 'utf8' })
+  } catch (e) {
+    logger.warn('Failed to dump Anthropic response', {
+      filename,
+      requestId: req?.requestId || null,
+      error: e?.message || String(e)
+    })
+  }
+}
+
+async function dumpAnthropicNonStreamResponse(req, statusCode, body, meta = {}) {
+  return dumpAnthropicResponse(
+    req,
+    { kind: 'non-stream', statusCode, summary: summarizeAnthropicResponseBody(body), body },
+    meta
+  )
+}
+
+async function dumpAnthropicStreamSummary(req, summary, meta = {}) {
+  return dumpAnthropicResponse(req, { kind: 'stream', summary }, meta)
+}
+
+async function dumpAnthropicStreamError(req, error, meta = {}) {
+  return dumpAnthropicResponse(req, { kind: 'stream-error', error }, meta)
+}
+
+module.exports = {
+  dumpAnthropicNonStreamResponse,
+  dumpAnthropicStreamSummary,
+  dumpAnthropicStreamError,
+  RESPONSE_DUMP_ENV,
+  RESPONSE_DUMP_MAX_BYTES_ENV,
+  RESPONSE_DUMP_FILENAME
+}

src/utils/antigravityModel.js

@@ -0,0 +1,138 @@
+const DEFAULT_ANTIGRAVITY_MODEL = 'gemini-2.5-flash'
+
+const UPSTREAM_TO_ALIAS = {
+  'rev19-uic3-1p': 'gemini-2.5-computer-use-preview-10-2025',
+  'gemini-3-pro-image': 'gemini-3-pro-image-preview',
+  'gemini-3-pro-high': 'gemini-3-pro-preview',
+  'gemini-3-flash': 'gemini-3-flash-preview',
+  'claude-sonnet-4-5': 'gemini-claude-sonnet-4-5',
+  'claude-sonnet-4-5-thinking': 'gemini-claude-sonnet-4-5-thinking',
+  'claude-opus-4-5-thinking': 'gemini-claude-opus-4-5-thinking',
+  chat_20706: '',
+  chat_23310: '',
+  'gemini-2.5-flash-thinking': '',
+  'gemini-3-pro-low': '',
+  'gemini-2.5-pro': ''
+}
+
+const ALIAS_TO_UPSTREAM = {
+  'gemini-2.5-computer-use-preview-10-2025': 'rev19-uic3-1p',
+  'gemini-3-pro-image-preview': 'gemini-3-pro-image',
+  'gemini-3-pro-preview': 'gemini-3-pro-high',
+  'gemini-3-flash-preview': 'gemini-3-flash',
+  'gemini-claude-sonnet-4-5': 'claude-sonnet-4-5',
+  'gemini-claude-sonnet-4-5-thinking': 'claude-sonnet-4-5-thinking',
+  'gemini-claude-opus-4-5-thinking': 'claude-opus-4-5-thinking'
+}
+
+const ANTIGRAVITY_MODEL_METADATA = {
+  'gemini-2.5-flash': {
+    thinking: { min: 0, max: 24576, zeroAllowed: true, dynamicAllowed: true },
+    name: 'models/gemini-2.5-flash'
+  },
+  'gemini-2.5-flash-lite': {
+    thinking: { min: 0, max: 24576, zeroAllowed: true, dynamicAllowed: true },
+    name: 'models/gemini-2.5-flash-lite'
+  },
+  'gemini-2.5-computer-use-preview-10-2025': {
+    name: 'models/gemini-2.5-computer-use-preview-10-2025'
+  },
+  'gemini-3-pro-preview': {
+    thinking: {
+      min: 128,
+      max: 32768,
+      zeroAllowed: false,
+      dynamicAllowed: true,
+      levels: ['low', 'high']
+    },
+    name: 'models/gemini-3-pro-preview'
+  },
+  'gemini-3-pro-image-preview': {
+    thinking: {
+      min: 128,
+      max: 32768,
+      zeroAllowed: false,
+      dynamicAllowed: true,
+      levels: ['low', 'high']
+    },
+    name: 'models/gemini-3-pro-image-preview'
+  },
+  'gemini-3-flash-preview': {
+    thinking: {
+      min: 128,
+      max: 32768,
+      zeroAllowed: false,
+      dynamicAllowed: true,
+      levels: ['minimal', 'low', 'medium', 'high']
+    },
+    name: 'models/gemini-3-flash-preview'
+  },
+  'gemini-claude-sonnet-4-5-thinking': {
+    thinking: { min: 1024, max: 200000, zeroAllowed: false, dynamicAllowed: true },
+    maxCompletionTokens: 64000
+  },
+  'gemini-claude-opus-4-5-thinking': {
+    thinking: { min: 1024, max: 200000, zeroAllowed: false, dynamicAllowed: true },
+    maxCompletionTokens: 64000
+  }
+}
+
+function normalizeAntigravityModelInput(model, defaultModel = DEFAULT_ANTIGRAVITY_MODEL) {
+  if (!model) {
+    return defaultModel
+  }
+  return model.startsWith('models/') ? model.slice('models/'.length) : model
+}
+
+function getAntigravityModelAlias(modelName) {
+  const normalized = normalizeAntigravityModelInput(modelName)
+  if (Object.prototype.hasOwnProperty.call(UPSTREAM_TO_ALIAS, normalized)) {
+    return UPSTREAM_TO_ALIAS[normalized]
+  }
+  return normalized
+}
+
+function getAntigravityModelMetadata(modelName) {
+  const normalized = normalizeAntigravityModelInput(modelName)
+  if (Object.prototype.hasOwnProperty.call(ANTIGRAVITY_MODEL_METADATA, normalized)) {
+    return ANTIGRAVITY_MODEL_METADATA[normalized]
+  }
+  if (normalized.startsWith('claude-')) {
+    const prefixed = `gemini-${normalized}`
+    if (Object.prototype.hasOwnProperty.call(ANTIGRAVITY_MODEL_METADATA, prefixed)) {
+      return ANTIGRAVITY_MODEL_METADATA[prefixed]
+    }
+    const thinkingAlias = `${prefixed}-thinking`
+    if (Object.prototype.hasOwnProperty.call(ANTIGRAVITY_MODEL_METADATA, thinkingAlias)) {
+      return ANTIGRAVITY_MODEL_METADATA[thinkingAlias]
+    }
+  }
+  return null
+}
+
+function mapAntigravityUpstreamModel(model) {
+  const normalized = normalizeAntigravityModelInput(model)
+  let upstream = Object.prototype.hasOwnProperty.call(ALIAS_TO_UPSTREAM, normalized)
+    ? ALIAS_TO_UPSTREAM[normalized]
+    : normalized
+
+  if (upstream.startsWith('gemini-claude-')) {
+    upstream = upstream.replace(/^gemini-/, '')
+  }
+
+  const mapping = {
+    // Opus：上游更常见的是 thinking 变体（CLIProxyAPI 也按此处理）
+    'claude-opus-4-5': 'claude-opus-4-5-thinking',
+    // Gemini thinking 变体回退
+    'gemini-2.5-flash-thinking': 'gemini-2.5-flash'
+  }
+
+  return mapping[upstream] || upstream
+}
+
+module.exports = {
+  normalizeAntigravityModelInput,
+  getAntigravityModelAlias,
+  getAntigravityModelMetadata,
+  mapAntigravityUpstreamModel
+}

src/utils/antigravityUpstreamDump.js

@@ -0,0 +1,121 @@
+const fs = require('fs/promises')
+const path = require('path')
+const logger = require('./logger')
+const { getProjectRoot } = require('./projectPaths')
+
+const UPSTREAM_REQUEST_DUMP_ENV = 'ANTIGRAVITY_DEBUG_UPSTREAM_REQUEST_DUMP'
+const UPSTREAM_REQUEST_DUMP_MAX_BYTES_ENV = 'ANTIGRAVITY_DEBUG_UPSTREAM_REQUEST_DUMP_MAX_BYTES'
+const UPSTREAM_REQUEST_DUMP_FILENAME = 'antigravity-upstream-requests-dump.jsonl'
+
+function isEnabled() {
+  const raw = process.env[UPSTREAM_REQUEST_DUMP_ENV]
+  if (!raw) {
+    return false
+  }
+  const normalized = String(raw).trim().toLowerCase()
+  return normalized === '1' || normalized === 'true'
+}
+
+function getMaxBytes() {
+  const raw = process.env[UPSTREAM_REQUEST_DUMP_MAX_BYTES_ENV]
+  if (!raw) {
+    return 2 * 1024 * 1024
+  }
+  const parsed = Number.parseInt(raw, 10)
+  if (!Number.isFinite(parsed) || parsed <= 0) {
+    return 2 * 1024 * 1024
+  }
+  return parsed
+}
+
+function redact(value) {
+  if (!value) {
+    return value
+  }
+  const s = String(value)
+  if (s.length <= 10) {
+    return '***'
+  }
+  return `${s.slice(0, 3)}...${s.slice(-4)}`
+}
+
+function safeJsonStringify(payload, maxBytes) {
+  let json = ''
+  try {
+    json = JSON.stringify(payload)
+  } catch (e) {
+    return JSON.stringify({
+      type: 'antigravity_upstream_dump_error',
+      error: 'JSON.stringify_failed',
+      message: e?.message || String(e)
+    })
+  }
+
+  if (Buffer.byteLength(json, 'utf8') <= maxBytes) {
+    return json
+  }
+
+  const truncated = Buffer.from(json, 'utf8').subarray(0, maxBytes).toString('utf8')
+  return JSON.stringify({
+    type: 'antigravity_upstream_dump_truncated',
+    maxBytes,
+    originalBytes: Buffer.byteLength(json, 'utf8'),
+    partialJson: truncated
+  })
+}
+
+async function dumpAntigravityUpstreamRequest(requestInfo) {
+  if (!isEnabled()) {
+    return
+  }
+
+  const maxBytes = getMaxBytes()
+  const filename = path.join(getProjectRoot(), UPSTREAM_REQUEST_DUMP_FILENAME)
+
+  const record = {
+    ts: new Date().toISOString(),
+    type: 'antigravity_upstream_request',
+    requestId: requestInfo?.requestId || null,
+    model: requestInfo?.model || null,
+    stream: Boolean(requestInfo?.stream),
+    url: requestInfo?.url || null,
+    baseUrl: requestInfo?.baseUrl || null,
+    params: requestInfo?.params || null,
+    headers: requestInfo?.headers
+      ? {
+          Host: requestInfo.headers.Host || requestInfo.headers.host || null,
+          'User-Agent':
+            requestInfo.headers['User-Agent'] || requestInfo.headers['user-agent'] || null,
+          Authorization: (() => {
+            const raw = requestInfo.headers.Authorization || requestInfo.headers.authorization
+            if (!raw) {
+              return null
+            }
+            const value = String(raw)
+            const m = value.match(/^Bearer\\s+(.+)$/i)
+            const token = m ? m[1] : value
+            return `Bearer ${redact(token)}`
+          })()
+        }
+      : null,
+    envelope: requestInfo?.envelope || null
+  }
+
+  const line = `${safeJsonStringify(record, maxBytes)}\n`
+  try {
+    await fs.appendFile(filename, line, { encoding: 'utf8' })
+  } catch (e) {
+    logger.warn('Failed to dump Antigravity upstream request', {
+      filename,
+      requestId: requestInfo?.requestId || null,
+      error: e?.message || String(e)
+    })
+  }
+}
+
+module.exports = {
+  dumpAntigravityUpstreamRequest,
+  UPSTREAM_REQUEST_DUMP_ENV,
+  UPSTREAM_REQUEST_DUMP_MAX_BYTES_ENV,
+  UPSTREAM_REQUEST_DUMP_FILENAME
+}

src/utils/errorSanitizer.js

@@ -55,16 +55,69 @@ function sanitizeUpstreamError(errorData) {
     return errorData
   }
 
-  // 深拷贝避免修改原始对象
-  const sanitized = JSON.parse(JSON.stringify(errorData))
+  // AxiosError / Error：返回摘要，避免泄露请求体/headers/token 等敏感信息
+  const looksLikeAxiosError =
+    errorData.isAxiosError ||
+    (errorData.name === 'AxiosError' && (errorData.config || errorData.response))
+  const looksLikeError = errorData instanceof Error || typeof errorData.message === 'string'
+
+  if (looksLikeAxiosError || looksLikeError) {
+    const statusCode = errorData.response?.status
+    const upstreamBody = errorData.response?.data
+    const upstreamMessage = sanitizeErrorMessage(extractErrorMessage(upstreamBody) || '')
+
+    return {
+      name: errorData.name || 'Error',
+      code: errorData.code,
+      statusCode,
+      message: sanitizeErrorMessage(errorData.message || ''),
+      upstreamMessage: upstreamMessage || undefined,
+      upstreamType: upstreamBody?.error?.type || upstreamBody?.error?.status || undefined
+    }
+  }
 
   // 递归清理嵌套的错误对象
+  const visited = new WeakSet()
+
+  const shouldRedactKey = (key) => {
+    if (!key) {
+      return false
+    }
+    const lowerKey = String(key).toLowerCase()
+    return (
+      lowerKey === 'authorization' ||
+      lowerKey === 'cookie' ||
+      lowerKey.includes('api_key') ||
+      lowerKey.includes('apikey') ||
+      lowerKey.includes('access_token') ||
+      lowerKey.includes('refresh_token') ||
+      lowerKey.endsWith('token') ||
+      lowerKey.includes('secret') ||
+      lowerKey.includes('password')
+    )
+  }
+
   const sanitizeObject = (obj) => {
     if (!obj || typeof obj !== 'object') {
       return obj
     }
 
+    if (visited.has(obj)) {
+      return '[Circular]'
+    }
+    visited.add(obj)
+
+    // 主动剔除常见“超大且敏感”的字段
+    if (obj.config || obj.request || obj.response) {
+      return '[Redacted]'
+    }
+
     for (const key in obj) {
+      if (shouldRedactKey(key)) {
+        obj[key] = '[REDACTED]'
+        continue
+      }
+
       // 清理所有字符串字段，不仅仅是 message
       if (typeof obj[key] === 'string') {
         obj[key] = sanitizeErrorMessage(obj[key])
@@ -76,7 +129,9 @@ function sanitizeUpstreamError(errorData) {
     return obj
   }
 
-  return sanitizeObject(sanitized)
+  // 尽量不修改原对象：浅拷贝后递归清理
+  const clone = Array.isArray(errorData) ? [...errorData] : { ...errorData }
+  return sanitizeObject(clone)
 }
 
 /**

src/utils/geminiSchemaCleaner.js

@@ -0,0 +1,265 @@
+function appendHint(description, hint) {
+  if (!hint) {
+    return description || ''
+  }
+  if (!description) {
+    return hint
+  }
+  return `${description} (${hint})`
+}
+
+function getRefHint(refValue) {
+  const ref = String(refValue || '')
+  if (!ref) {
+    return ''
+  }
+  const idx = ref.lastIndexOf('/')
+  const name = idx >= 0 ? ref.slice(idx + 1) : ref
+  return name ? `See: ${name}` : ''
+}
+
+function normalizeType(typeValue) {
+  if (typeof typeValue === 'string' && typeValue) {
+    return { type: typeValue, hint: '' }
+  }
+  if (!Array.isArray(typeValue) || typeValue.length === 0) {
+    return { type: '', hint: '' }
+  }
+  const raw = typeValue.map((t) => (t === null || t === undefined ? '' : String(t))).filter(Boolean)
+  const hasNull = raw.includes('null')
+  const nonNull = raw.filter((t) => t !== 'null')
+  const primary = nonNull[0] || 'string'
+  const hintParts = []
+  if (nonNull.length > 1) {
+    hintParts.push(`Accepts: ${nonNull.join(' | ')}`)
+  }
+  if (hasNull) {
+    hintParts.push('nullable')
+  }
+  return { type: primary, hint: hintParts.join('; ') }
+}
+
+const CONSTRAINT_KEYS = [
+  'minLength',
+  'maxLength',
+  'exclusiveMinimum',
+  'exclusiveMaximum',
+  'pattern',
+  'minItems',
+  'maxItems'
+]
+
+function scoreSchema(schema) {
+  if (!schema || typeof schema !== 'object') {
+    return { score: 0, type: '' }
+  }
+  const t = typeof schema.type === 'string' ? schema.type : ''
+  if (t === 'object' || (schema.properties && typeof schema.properties === 'object')) {
+    return { score: 3, type: t || 'object' }
+  }
+  if (t === 'array' || schema.items) {
+    return { score: 2, type: t || 'array' }
+  }
+  if (t && t !== 'null') {
+    return { score: 1, type: t }
+  }
+  return { score: 0, type: t || 'null' }
+}
+
+function pickBestFromAlternatives(alternatives) {
+  let bestIndex = 0
+  let bestScore = -1
+  const types = []
+  for (let i = 0; i < alternatives.length; i += 1) {
+    const alt = alternatives[i]
+    const { score, type } = scoreSchema(alt)
+    if (type) {
+      types.push(type)
+    }
+    if (score > bestScore) {
+      bestScore = score
+      bestIndex = i
+    }
+  }
+  return { best: alternatives[bestIndex], types: Array.from(new Set(types)).filter(Boolean) }
+}
+
+function cleanJsonSchemaForGemini(schema) {
+  if (schema === null || schema === undefined) {
+    return { type: 'object', properties: {} }
+  }
+  if (typeof schema !== 'object') {
+    return { type: 'object', properties: {} }
+  }
+  if (Array.isArray(schema)) {
+    return { type: 'object', properties: {} }
+  }
+
+  // $ref：Gemini/Antigravity 不支持，转换为 hint
+  if (typeof schema.$ref === 'string' && schema.$ref) {
+    return {
+      type: 'object',
+      description: appendHint(schema.description || '', getRefHint(schema.$ref)),
+      properties: {}
+    }
+  }
+
+  // anyOf / oneOf：选择最可能的 schema，保留类型提示
+  const anyOf = Array.isArray(schema.anyOf) ? schema.anyOf : null
+  const oneOf = Array.isArray(schema.oneOf) ? schema.oneOf : null
+  const alts = anyOf && anyOf.length ? anyOf : oneOf && oneOf.length ? oneOf : null
+  if (alts) {
+    const { best, types } = pickBestFromAlternatives(alts)
+    const cleaned = cleanJsonSchemaForGemini(best)
+    const mergedDescription = appendHint(cleaned.description || '', schema.description || '')
+    const typeHint = types.length > 1 ? `Accepts: ${types.join(' || ')}` : ''
+    return {
+      ...cleaned,
+      description: appendHint(mergedDescription, typeHint)
+    }
+  }
+
+  // allOf：合并 properties/required
+  if (Array.isArray(schema.allOf) && schema.allOf.length) {
+    const merged = {}
+    let mergedDesc = schema.description || ''
+    const mergedReq = new Set()
+    const mergedProps = {}
+    for (const item of schema.allOf) {
+      const cleaned = cleanJsonSchemaForGemini(item)
+      if (cleaned.description) {
+        mergedDesc = appendHint(mergedDesc, cleaned.description)
+      }
+      if (Array.isArray(cleaned.required)) {
+        for (const r of cleaned.required) {
+          if (typeof r === 'string' && r) {
+            mergedReq.add(r)
+          }
+        }
+      }
+      if (cleaned.properties && typeof cleaned.properties === 'object') {
+        Object.assign(mergedProps, cleaned.properties)
+      }
+      if (cleaned.type && !merged.type) {
+        merged.type = cleaned.type
+      }
+      if (cleaned.items && !merged.items) {
+        merged.items = cleaned.items
+      }
+      if (Array.isArray(cleaned.enum) && !merged.enum) {
+        merged.enum = cleaned.enum
+      }
+    }
+    if (Object.keys(mergedProps).length) {
+      merged.type = merged.type || 'object'
+      merged.properties = mergedProps
+      const req = Array.from(mergedReq).filter((r) => mergedProps[r])
+      if (req.length) {
+        merged.required = req
+      }
+    }
+    if (mergedDesc) {
+      merged.description = mergedDesc
+    }
+    return cleanJsonSchemaForGemini(merged)
+  }
+
+  const result = {}
+  const constraintHints = []
+
+  // description
+  if (typeof schema.description === 'string') {
+    result.description = schema.description
+  }
+
+  for (const key of CONSTRAINT_KEYS) {
+    const value = schema[key]
+    if (value === undefined || value === null || typeof value === 'object') {
+      continue
+    }
+    constraintHints.push(`${key}: ${value}`)
+  }
+
+  // const -> enum
+  if (schema.const !== undefined && !Array.isArray(schema.enum)) {
+    result.enum = [schema.const]
+  }
+
+  // enum
+  if (Array.isArray(schema.enum)) {
+    const en = schema.enum.filter(
+      (v) => typeof v === 'string' || typeof v === 'number' || typeof v === 'boolean'
+    )
+    if (en.length) {
+      result.enum = en
+    }
+  }
+
+  // type（flatten 数组 type）
+  const { type: normalizedType, hint: typeHint } = normalizeType(schema.type)
+  if (normalizedType) {
+    result.type = normalizedType
+  }
+  if (typeHint) {
+    result.description = appendHint(result.description || '', typeHint)
+  }
+
+  if (result.enum && result.enum.length > 1 && result.enum.length <= 10) {
+    const list = result.enum.map((item) => String(item)).join(', ')
+    result.description = appendHint(result.description || '', `Allowed: ${list}`)
+  }
+
+  if (constraintHints.length) {
+    result.description = appendHint(result.description || '', constraintHints.join(', '))
+  }
+
+  // additionalProperties：Gemini/Antigravity 不接受布尔值，直接删除并用 hint 记录
+  if (schema.additionalProperties === false) {
+    result.description = appendHint(result.description || '', 'No extra properties allowed')
+  }
+
+  // properties
+  if (
+    schema.properties &&
+    typeof schema.properties === 'object' &&
+    !Array.isArray(schema.properties)
+  ) {
+    const props = {}
+    for (const [name, propSchema] of Object.entries(schema.properties)) {
+      props[name] = cleanJsonSchemaForGemini(propSchema)
+    }
+    result.type = result.type || 'object'
+    result.properties = props
+  }
+
+  // items
+  if (schema.items !== undefined) {
+    result.type = result.type || 'array'
+    result.items = cleanJsonSchemaForGemini(schema.items)
+  }
+
+  // required（最后再清理无效字段）
+  if (Array.isArray(schema.required) && result.properties) {
+    const req = schema.required.filter(
+      (r) =>
+        typeof r === 'string' && r && Object.prototype.hasOwnProperty.call(result.properties, r)
+    )
+    if (req.length) {
+      result.required = req
+    }
+  }
+
+  // 只保留 Gemini 兼容字段：其他（$schema/$id/$defs/definitions/format/constraints/pattern...）一律丢弃
+
+  if (!result.type) {
+    result.type = result.properties ? 'object' : result.items ? 'array' : 'object'
+  }
+  if (result.type === 'object' && !result.properties) {
+    result.properties = {}
+  }
+  return result
+}
+
+module.exports = {
+  cleanJsonSchemaForGemini
+}

src/utils/modelHelper.js

@@ -5,6 +5,10 @@
  * Supports parsing model strings like "ccr,model_name" to extract vendor type and base model.
  */
 
+// 仅保留原仓库既有的模型前缀：CCR 路由
+// Gemini/Antigravity 采用“路径分流”，避免在 model 字段里混入 vendor 前缀造成混乱
+const SUPPORTED_VENDOR_PREFIXES = ['ccr']
+
 /**
  * Parse vendor-prefixed model string
  * @param {string} modelStr - Model string, potentially with vendor prefix (e.g., "ccr,gemini-2.5-pro")
@@ -19,16 +23,21 @@ function parseVendorPrefixedModel(modelStr) {
   const trimmed = modelStr.trim()
   const lowerTrimmed = trimmed.toLowerCase()
 
-  // Check for ccr prefix (case insensitive)
-  if (lowerTrimmed.startsWith('ccr,')) {
+  for (const vendorPrefix of SUPPORTED_VENDOR_PREFIXES) {
+    if (!lowerTrimmed.startsWith(`${vendorPrefix},`)) {
+      continue
+    }
+
     const parts = trimmed.split(',')
-    if (parts.length >= 2) {
-      // Extract base model (everything after the first comma, rejoined in case model name contains commas)
-      const baseModel = parts.slice(1).join(',').trim()
-      return {
-        vendor: 'ccr',
-        baseModel
-      }
+    if (parts.length < 2) {
+      break
+    }
+
+    // Extract base model (everything after the first comma, rejoined in case model name contains commas)
+    const baseModel = parts.slice(1).join(',').trim()
+    return {
+      vendor: vendorPrefix,
+      baseModel
     }
   }
 

src/utils/projectPaths.js

@@ -0,0 +1,10 @@
+const path = require('path')
+
+// 该文件位于 src/utils 下，向上两级即项目根目录。
+function getProjectRoot() {
+  return path.resolve(__dirname, '..', '..')
+}
+
+module.exports = {
+  getProjectRoot
+}