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Unverified Commit 17dfb0af authored by Wesley Liddick's avatar Wesley Liddick Committed by GitHub
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Merge pull request #346 from 0xff26b9a8/main 

refactor(antigravity): 提取并同步 Schema 清理逻辑至 schema_cleaner.go
parents 39fad63c 477a9a18
Show whitespace changes
Inline Side-by-side
backend/internal/pkg/antigravity/request_transformer.go
View file @ 17dfb0af
......@@ -7,13 +7,11 @@ import (
"fmt"
"log"
"math/rand"
"os"
"strconv"
"strings"
"sync"
"time"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
)
......@@ -594,11 +592,14 @@ func buildTools(tools []ClaudeTool) []GeminiToolDeclaration {
}
// 清理 JSON Schema
params := cleanJSONSchema(inputSchema)
// 1. 深度清理 [undefined] 值
DeepCleanUndefined(inputSchema)
// 2. 转换为符合 Gemini v1internal 的 schema
params := CleanJSONSchema(inputSchema)
// 为 nil schema 提供默认值
if params == nil {
params = map[string]any{
"type": "OBJECT",
"type": "object", // lowercase type
"properties": map[string]any{},
}
}
......@@ -631,236 +632,3 @@ func buildTools(tools []ClaudeTool) []GeminiToolDeclaration {
FunctionDeclarations: funcDecls,
}}
}
// cleanJSONSchema 清理 JSON Schema，移除 Antigravity/Gemini 不支持的字段
// 参考 proxycast 的实现，确保 schema 符合 JSON Schema draft 2020-12
func cleanJSONSchema(schema map[string]any) map[string]any {
if schema == nil {
return nil
}
cleaned := cleanSchemaValue(schema, "$")
result, ok := cleaned.(map[string]any)
if !ok {
return nil
}
// 确保有 type 字段（默认 OBJECT）
if _, hasType := result["type"]; !hasType {
result["type"] = "OBJECT"
}
// 确保有 properties 字段（默认空对象）
if _, hasProps := result["properties"]; !hasProps {
result["properties"] = make(map[string]any)
}
// 验证 required 中的字段都存在于 properties 中
if required, ok := result["required"].([]any); ok {
if props, ok := result["properties"].(map[string]any); ok {
validRequired := make([]any, 0, len(required))
for _, r := range required {
if reqName, ok := r.(string); ok {
if _, exists := props[reqName]; exists {
validRequired = append(validRequired, r)
}
}
}
if len(validRequired) > 0 {
result["required"] = validRequired
} else {
delete(result, "required")
}
}
}
return result
}
var schemaValidationKeys = map[string]bool{
"minLength": true,
"maxLength": true,
"pattern": true,
"minimum": true,
"maximum": true,
"exclusiveMinimum": true,
"exclusiveMaximum": true,
"multipleOf": true,
"uniqueItems": true,
"minItems": true,
"maxItems": true,
"minProperties": true,
"maxProperties": true,
"patternProperties": true,
"propertyNames": true,
"dependencies": true,
"dependentSchemas": true,
"dependentRequired": true,
}
var warnedSchemaKeys sync.Map
func schemaCleaningWarningsEnabled() bool {
// 可通过环境变量强制开关，方便排查：SUB2API_SCHEMA_CLEAN_WARN=true/false
if v := strings.TrimSpace(os.Getenv("SUB2API_SCHEMA_CLEAN_WARN")); v != "" {
switch strings.ToLower(v) {
case "1", "true", "yes", "on":
return true
case "0", "false", "no", "off":
return false
}
}
// 默认：非 release 模式下输出（debug/test）
return gin.Mode() != gin.ReleaseMode
}
func warnSchemaKeyRemovedOnce(key, path string) {
if !schemaCleaningWarningsEnabled() {
return
}
if !schemaValidationKeys[key] {
return
}
if _, loaded := warnedSchemaKeys.LoadOrStore(key, struct{}{}); loaded {
return
}
log.Printf("[SchemaClean] removed unsupported JSON Schema validation field key=%q path=%q", key, path)
}
// excludedSchemaKeys 不支持的 schema 字段
// 基于 Claude API (Vertex AI) 的实际支持情况
// 支持: type, description, enum, properties, required, additionalProperties, items
// 不支持: minItems, maxItems, minLength, maxLength, pattern, minimum, maximum 等验证字段
var excludedSchemaKeys = map[string]bool{
// 元 schema 字段
"$schema": true,
"$id": true,
"$ref": true,
// 字符串验证（Gemini 不支持）
"minLength": true,
"maxLength": true,
"pattern": true,
// 数字验证（Claude API 通过 Vertex AI 不支持这些字段）
"minimum": true,
"maximum": true,
"exclusiveMinimum": true,
"exclusiveMaximum": true,
"multipleOf": true,
// 数组验证（Claude API 通过 Vertex AI 不支持这些字段）
"uniqueItems": true,
"minItems": true,
"maxItems": true,
// 组合 schema（Gemini 不支持）
"oneOf": true,
"anyOf": true,
"allOf": true,
"not": true,
"if": true,
"then": true,
"else": true,
"$defs": true,
"definitions": true,
// 对象验证（仅保留 properties/required/additionalProperties）
"minProperties": true,
"maxProperties": true,
"patternProperties": true,
"propertyNames": true,
"dependencies": true,
"dependentSchemas": true,
"dependentRequired": true,
// 其他不支持的字段
"default": true,
"const": true,
"examples": true,
"deprecated": true,
"readOnly": true,
"writeOnly": true,
"contentMediaType": true,
"contentEncoding": true,
// Claude 特有字段
"strict": true,
}
// cleanSchemaValue 递归清理 schema 值
func cleanSchemaValue(value any, path string) any {
switch v := value.(type) {
case map[string]any:
result := make(map[string]any)
for k, val := range v {
// 跳过不支持的字段
if excludedSchemaKeys[k] {
warnSchemaKeyRemovedOnce(k, path)
continue
}
// 特殊处理 type 字段
if k == "type" {
result[k] = cleanTypeValue(val)
continue
}
// 特殊处理 format 字段：只保留 Gemini 支持的 format 值
if k == "format" {
if formatStr, ok := val.(string); ok {
// Gemini 只支持 date-time, date, time
if formatStr == "date-time" || formatStr == "date" || formatStr == "time" {
result[k] = val
}
// 其他 format 值直接跳过
}
continue
}
// 特殊处理 additionalProperties：Claude API 只支持布尔值，不支持 schema 对象
if k == "additionalProperties" {
if boolVal, ok := val.(bool); ok {
result[k] = boolVal
} else {
// 如果是 schema 对象，转换为 false（更安全的默认值）
result[k] = false
}
continue
}
// 递归清理所有值
result[k] = cleanSchemaValue(val, path+"."+k)
}
return result
case []any:
// 递归处理数组中的每个元素
cleaned := make([]any, 0, len(v))
for i, item := range v {
cleaned = append(cleaned, cleanSchemaValue(item, fmt.Sprintf("%s[%d]", path, i)))
}
return cleaned
default:
return value
}
}
// cleanTypeValue 处理 type 字段，转换为大写
func cleanTypeValue(value any) any {
switch v := value.(type) {
case string:
return strings.ToUpper(v)
case []any:
// 联合类型 ["string", "null"] -> 取第一个非 null 类型
for _, t := range v {
if ts, ok := t.(string); ok && ts != "null" {
return strings.ToUpper(ts)
}
}
// 如果只有 null，返回 STRING
return "STRING"
default:
return value
}
}
backend/internal/pkg/antigravity/response_transformer.go
View file @ 17dfb0af
......@@ -3,6 +3,7 @@ package antigravity
import (
"encoding/json"
"fmt"
"log"
"strings"
)
......@@ -242,6 +243,14 @@ func (p *NonStreamingProcessor) buildResponse(geminiResp *GeminiResponse, respon
var finishReason string
if len(geminiResp.Candidates) > 0 {
finishReason = geminiResp.Candidates[0].FinishReason
if finishReason == "MALFORMED_FUNCTION_CALL" {
log.Printf("[Antigravity] MALFORMED_FUNCTION_CALL detected in response for model %s", originalModel)
if geminiResp.Candidates[0].Content != nil {
if b, err := json.Marshal(geminiResp.Candidates[0].Content); err == nil {
log.Printf("[Antigravity] Malformed content: %s", string(b))
}
}
}
}
stopReason := "end_turn"
......
backend/internal/pkg/antigravity/schema_cleaner.go 0 → 100644
View file @ 17dfb0af
package antigravity
import (
"fmt"
"strings"
)
// CleanJSONSchema 清理 JSON Schema，移除 Antigravity/Gemini 不支持的字段
// 参考 Antigravity-Manager/src-tauri/src/proxy/common/json_schema.rs 实现
// 确保 schema 符合 JSON Schema draft 2020-12 且适配 Gemini v1internal
func CleanJSONSchema(schema map[string]any) map[string]any {
if schema == nil {
return nil
}
// 0. 预处理：展开 $ref (Schema Flattening)
// (Go map 是引用的，直接修改 schema)
flattenRefs(schema, extractDefs(schema))
// 递归清理
cleaned := cleanJSONSchemaRecursive(schema)
result, ok := cleaned.(map[string]any)
if !ok {
return nil
}
return result
}
// extractDefs 提取并移除定义的 helper
func extractDefs(schema map[string]any) map[string]any {
defs := make(map[string]any)
if d, ok := schema["$defs"].(map[string]any); ok {
for k, v := range d {
defs[k] = v
}
delete(schema, "$defs")
}
if d, ok := schema["definitions"].(map[string]any); ok {
for k, v := range d {
defs[k] = v
}
delete(schema, "definitions")
}
return defs
}
// flattenRefs 递归展开 $ref
func flattenRefs(schema map[string]any, defs map[string]any) {
if len(defs) == 0 {
return // 无需展开
}
// 检查并替换 $ref
if ref, ok := schema["$ref"].(string); ok {
delete(schema, "$ref")
// 解析引用名 (例如 #/$defs/MyType -> MyType)
parts := strings.Split(ref, "/")
refName := parts[len(parts)-1]
if defSchema, exists := defs[refName]; exists {
if defMap, ok := defSchema.(map[string]any); ok {
// 合并定义内容 (不覆盖现有 key)
for k, v := range defMap {
if _, has := schema[k]; !has {
schema[k] = deepCopy(v) // 需深拷贝避免共享引用
}
}
// 递归处理刚刚合并进来的内容
flattenRefs(schema, defs)
}
}
}
// 遍历子节点
for _, v := range schema {
if subMap, ok := v.(map[string]any); ok {
flattenRefs(subMap, defs)
} else if subArr, ok := v.([]any); ok {
for _, item := range subArr {
if itemMap, ok := item.(map[string]any); ok {
flattenRefs(itemMap, defs)
}
}
}
}
}
// deepCopy 深拷贝 (简单实现，仅针对 JSON 类型)
func deepCopy(src any) any {
if src == nil {
return nil
}
switch v := src.(type) {
case map[string]any:
dst := make(map[string]any)
for k, val := range v {
dst[k] = deepCopy(val)
}
return dst
case []any:
dst := make([]any, len(v))
for i, val := range v {
dst[i] = deepCopy(val)
}
return dst
default:
return src
}
}
// cleanJSONSchemaRecursive 递归核心清理逻辑
// 返回处理后的值 (通常是 input map，但可能修改内部结构)
func cleanJSONSchemaRecursive(value any) any {
schemaMap, ok := value.(map[string]any)
if !ok {
return value
}
// 0. [NEW] 合并 allOf
mergeAllOf(schemaMap)
// 1. [CRITICAL] 深度递归处理子项
if props, ok := schemaMap["properties"].(map[string]any); ok {
for _, v := range props {
cleanJSONSchemaRecursive(v)
}
// Go 中不需要像 Rust 那样显式处理 nullable_keys remove required，
// 因为我们在子项处理中会正确设置 type 和 description
} else if items, ok := schemaMap["items"]; ok {
// [FIX] Gemini 期望 "items" 是单个 Schema 对象（列表验证），而不是数组（元组验证）。
if itemsArr, ok := items.([]any); ok {
// 策略：将元组 [A, B] 视为 A、B 中的最佳匹配项。
best := extractBestSchemaFromUnion(itemsArr)
if best == nil {
// 回退到通用字符串
best = map[string]any{"type": "string"}
}
// 用处理后的对象替换原有数组
cleanedBest := cleanJSONSchemaRecursive(best)
schemaMap["items"] = cleanedBest
} else {
cleanJSONSchemaRecursive(items)
}
} else {
// 遍历所有值递归
for _, v := range schemaMap {
if _, isMap := v.(map[string]any); isMap {
cleanJSONSchemaRecursive(v)
} else if arr, isArr := v.([]any); isArr {
for _, item := range arr {
cleanJSONSchemaRecursive(item)
}
}
}
}
// 2. [FIX] 处理 anyOf/oneOf 联合类型: 合并属性而非直接删除
var unionArray []any
typeStr, _ := schemaMap["type"].(string)
if typeStr == "" || typeStr == "object" {
if anyOf, ok := schemaMap["anyOf"].([]any); ok {
unionArray = anyOf
} else if oneOf, ok := schemaMap["oneOf"].([]any); ok {
unionArray = oneOf
}
}
if len(unionArray) > 0 {
if bestBranch := extractBestSchemaFromUnion(unionArray); bestBranch != nil {
if bestMap, ok := bestBranch.(map[string]any); ok {
// 合并分支内容
for k, v := range bestMap {
if k == "properties" {
targetProps, _ := schemaMap["properties"].(map[string]any)
if targetProps == nil {
targetProps = make(map[string]any)
schemaMap["properties"] = targetProps
}
if sourceProps, ok := v.(map[string]any); ok {
for pk, pv := range sourceProps {
if _, exists := targetProps[pk]; !exists {
targetProps[pk] = deepCopy(pv)
}
}
}
} else if k == "required" {
targetReq, _ := schemaMap["required"].([]any)
if sourceReq, ok := v.([]any); ok {
for _, rv := range sourceReq {
// 简单的去重添加
exists := false
for _, tr := range targetReq {
if tr == rv {
exists = true
break
}
}
if !exists {
targetReq = append(targetReq, rv)
}
}
schemaMap["required"] = targetReq
}
} else if _, exists := schemaMap[k]; !exists {
schemaMap[k] = deepCopy(v)
}
}
}
}
}
// 3. [SAFETY] 检查当前对象是否为 JSON Schema 节点
looksLikeSchema := hasKey(schemaMap, "type") ||
hasKey(schemaMap, "properties") ||
hasKey(schemaMap, "items") ||
hasKey(schemaMap, "enum") ||
hasKey(schemaMap, "anyOf") ||
hasKey(schemaMap, "oneOf") ||
hasKey(schemaMap, "allOf")
if looksLikeSchema {
// 4. [ROBUST] 约束迁移
migrateConstraints(schemaMap)
// 5. [CRITICAL] 白名单过滤
allowedFields := map[string]bool{
"type": true,
"description": true,
"properties": true,
"required": true,
"items": true,
"enum": true,
"title": true,
}
for k := range schemaMap {
if !allowedFields[k] {
delete(schemaMap, k)
}
}
// 6. [SAFETY] 处理空 Object
if t, _ := schemaMap["type"].(string); t == "object" {
hasProps := false
if props, ok := schemaMap["properties"].(map[string]any); ok && len(props) > 0 {
hasProps = true
}
if !hasProps {
schemaMap["properties"] = map[string]any{
"reason": map[string]any{
"type": "string",
"description": "Reason for calling this tool",
},
}
schemaMap["required"] = []any{"reason"}
}
}
// 7. [SAFETY] Required 字段对齐
if props, ok := schemaMap["properties"].(map[string]any); ok {
if req, ok := schemaMap["required"].([]any); ok {
var validReq []any
for _, r := range req {
if rStr, ok := r.(string); ok {
if _, exists := props[rStr]; exists {
validReq = append(validReq, r)
}
}
}
if len(validReq) > 0 {
schemaMap["required"] = validReq
} else {
delete(schemaMap, "required")
}
}
}
// 8. 处理 type 字段 (Lowercase + Nullable 提取)
isEffectivelyNullable := false
if typeVal, exists := schemaMap["type"]; exists {
var selectedType string
switch v := typeVal.(type) {
case string:
lower := strings.ToLower(v)
if lower == "null" {
isEffectivelyNullable = true
selectedType = "string" // fallback
} else {
selectedType = lower
}
case []any:
// ["string", "null"]
for _, t := range v {
if ts, ok := t.(string); ok {
lower := strings.ToLower(ts)
if lower == "null" {
isEffectivelyNullable = true
} else if selectedType == "" {
selectedType = lower
}
}
}
if selectedType == "" {
selectedType = "string"
}
}
schemaMap["type"] = selectedType
} else {
// 默认 object 如果有 properties (虽然上面白名单过滤可能删了 type 如果它不在... 但 type 必在 allowlist)
// 如果没有 type，但有 properties，补一个
if hasKey(schemaMap, "properties") {
schemaMap["type"] = "object"
} else {
// 默认为 string ? or object? Gemini 通常需要明确 type
schemaMap["type"] = "object"
}
}
if isEffectivelyNullable {
desc, _ := schemaMap["description"].(string)
if !strings.Contains(desc, "nullable") {
if desc != "" {
desc += " "
}
desc += "(nullable)"
schemaMap["description"] = desc
}
}
// 9. Enum 值强制转字符串
if enumVals, ok := schemaMap["enum"].([]any); ok {
hasNonString := false
for i, val := range enumVals {
if _, isStr := val.(string); !isStr {
hasNonString = true
if val == nil {
enumVals[i] = "null"
} else {
enumVals[i] = fmt.Sprintf("%v", val)
}
}
}
// If we mandated string values, we must ensure type is string
if hasNonString {
schemaMap["type"] = "string"
}
}
}
return schemaMap
}
func hasKey(m map[string]any, k string) bool {
_, ok := m[k]
return ok
}
func migrateConstraints(m map[string]any) {
constraints := []struct {
key string
label string
}{
{"minLength", "minLen"},
{"maxLength", "maxLen"},
{"pattern", "pattern"},
{"minimum", "min"},
{"maximum", "max"},
{"multipleOf", "multipleOf"},
{"exclusiveMinimum", "exclMin"},
{"exclusiveMaximum", "exclMax"},
{"minItems", "minItems"},
{"maxItems", "maxItems"},
{"propertyNames", "propertyNames"},
{"format", "format"},
}
var hints []string
for _, c := range constraints {
if val, ok := m[c.key]; ok && val != nil {
hints = append(hints, fmt.Sprintf("%s: %v", c.label, val))
}
}
if len(hints) > 0 {
suffix := fmt.Sprintf(" [Constraint: %s]", strings.Join(hints, ", "))
desc, _ := m["description"].(string)
if !strings.Contains(desc, suffix) {
m["description"] = desc + suffix
}
}
}
// mergeAllOf 合并 allOf
func mergeAllOf(m map[string]any) {
allOf, ok := m["allOf"].([]any)
if !ok {
return
}
delete(m, "allOf")
mergedProps := make(map[string]any)
mergedReq := make(map[string]bool)
otherFields := make(map[string]any)
for _, sub := range allOf {
if subMap, ok := sub.(map[string]any); ok {
// Props
if props, ok := subMap["properties"].(map[string]any); ok {
for k, v := range props {
mergedProps[k] = v
}
}
// Required
if reqs, ok := subMap["required"].([]any); ok {
for _, r := range reqs {
if s, ok := r.(string); ok {
mergedReq[s] = true
}
}
}
// Others
for k, v := range subMap {
if k != "properties" && k != "required" && k != "allOf" {
if _, exists := otherFields[k]; !exists {
otherFields[k] = v
}
}
}
}
}
// Apply
for k, v := range otherFields {
if _, exists := m[k]; !exists {
m[k] = v
}
}
if len(mergedProps) > 0 {
existProps, _ := m["properties"].(map[string]any)
if existProps == nil {
existProps = make(map[string]any)
m["properties"] = existProps
}
for k, v := range mergedProps {
if _, exists := existProps[k]; !exists {
existProps[k] = v
}
}
}
if len(mergedReq) > 0 {
existReq, _ := m["required"].([]any)
var validReqs []any
for _, r := range existReq {
if s, ok := r.(string); ok {
validReqs = append(validReqs, s)
delete(mergedReq, s) // already exists
}
}
// append new
for r := range mergedReq {
validReqs = append(validReqs, r)
}
m["required"] = validReqs
}
}
// extractBestSchemaFromUnion 从 anyOf/oneOf 中选取最佳分支
func extractBestSchemaFromUnion(unionArray []any) any {
var bestOption any
bestScore := -1
for _, item := range unionArray {
score := scoreSchemaOption(item)
if score > bestScore {
bestScore = score
bestOption = item
}
}
return bestOption
}
func scoreSchemaOption(val any) int {
m, ok := val.(map[string]any)
if !ok {
return 0
}
typeStr, _ := m["type"].(string)
if hasKey(m, "properties") || typeStr == "object" {
return 3
}
if hasKey(m, "items") || typeStr == "array" {
return 2
}
if typeStr != "" && typeStr != "null" {
return 1
}
return 0
}
// DeepCleanUndefined 深度清理值为 "[undefined]" 的字段
func DeepCleanUndefined(value any) {
if value == nil {
return
}
switch v := value.(type) {
case map[string]any:
for k, val := range v {
if s, ok := val.(string); ok && s == "[undefined]" {
delete(v, k)
continue
}
DeepCleanUndefined(val)
}
case []any:
for _, val := range v {
DeepCleanUndefined(val)
}
}
}
backend/internal/pkg/antigravity/stream_transformer.go
View file @ 17dfb0af
......@@ -4,6 +4,7 @@ import (
"bytes"
"encoding/json"
"fmt"
"log"
"strings"
)
......@@ -102,6 +103,14 @@ func (p *StreamingProcessor) ProcessLine(line string) []byte {
// 检查是否结束
if len(geminiResp.Candidates) > 0 {
finishReason := geminiResp.Candidates[0].FinishReason
if finishReason == "MALFORMED_FUNCTION_CALL" {
log.Printf("[Antigravity] MALFORMED_FUNCTION_CALL detected in stream for model %s", p.originalModel)
if geminiResp.Candidates[0].Content != nil {
if b, err := json.Marshal(geminiResp.Candidates[0].Content); err == nil {
log.Printf("[Antigravity] Malformed content: %s", string(b))
}
}
}
if finishReason != "" {
_, _ = result.Write(p.emitFinish(finishReason))
}
......
backend/internal/service/antigravity_gateway_service.go
View file @ 17dfb0af
......@@ -1305,6 +1305,14 @@ func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Co
return nil, err
}
// 清理 Schema
if cleanedBody, err := cleanGeminiRequest(injectedBody); err == nil {
injectedBody = cleanedBody
log.Printf("[Antigravity] Cleaned request schema in forwarded request for account %s", account.Name)
} else {
log.Printf("[Antigravity] Failed to clean schema: %v", err)
}
// 包装请求
wrappedBody, err := s.wrapV1InternalRequest(projectID, mappedModel, injectedBody)
if err != nil {
......@@ -1705,6 +1713,19 @@ func (s *AntigravityGatewayService) handleGeminiStreamingResponse(c *gin.Context
if u := extractGeminiUsage(parsed); u != nil {
usage = u
}
// Check for MALFORMED_FUNCTION_CALL
if candidates, ok := parsed["candidates"].([]any); ok && len(candidates) > 0 {
if cand, ok := candidates[0].(map[string]any); ok {
if fr, ok := cand["finishReason"].(string); ok && fr == "MALFORMED_FUNCTION_CALL" {
log.Printf("[Antigravity] MALFORMED_FUNCTION_CALL detected in forward stream")
if content, ok := cand["content"]; ok {
if b, err := json.Marshal(content); err == nil {
log.Printf("[Antigravity] Malformed content: %s", string(b))
}
}
}
}
}
}
if firstTokenMs == nil {
......@@ -1854,6 +1875,20 @@ func (s *AntigravityGatewayService) handleGeminiStreamToNonStreaming(c *gin.Cont
usage = u
}
// Check for MALFORMED_FUNCTION_CALL
if candidates, ok := parsed["candidates"].([]any); ok && len(candidates) > 0 {
if cand, ok := candidates[0].(map[string]any); ok {
if fr, ok := cand["finishReason"].(string); ok && fr == "MALFORMED_FUNCTION_CALL" {
log.Printf("[Antigravity] MALFORMED_FUNCTION_CALL detected in forward non-stream collect")
if content, ok := cand["content"]; ok {
if b, err := json.Marshal(content); err == nil {
log.Printf("[Antigravity] Malformed content: %s", string(b))
}
}
}
}
}
// 保留最后一个有 parts 的响应
if parts := extractGeminiParts(parsed); len(parts) > 0 {
lastWithParts = parsed
......@@ -2459,3 +2494,55 @@ func isImageGenerationModel(model string) bool {
modelLower == "gemini-2.5-flash-image-preview" ||
strings.HasPrefix(modelLower, "gemini-2.5-flash-image-")
}
// cleanGeminiRequest 清理 Gemini 请求体中的 Schema
func cleanGeminiRequest(body []byte) ([]byte, error) {
var payload map[string]any
if err := json.Unmarshal(body, &payload); err != nil {
return nil, err
}
modified := false
// 1. 清理 Tools
if tools, ok := payload["tools"].([]any); ok && len(tools) > 0 {
for _, t := range tools {
toolMap, ok := t.(map[string]any)
if !ok {
continue
}
// function_declarations (snake_case) or functionDeclarations (camelCase)
var funcs []any
if f, ok := toolMap["functionDeclarations"].([]any); ok {
funcs = f
} else if f, ok := toolMap["function_declarations"].([]any); ok {
funcs = f
}
if len(funcs) == 0 {
continue
}
for _, f := range funcs {
funcMap, ok := f.(map[string]any)
if !ok {
continue
}
if params, ok := funcMap["parameters"].(map[string]any); ok {
antigravity.DeepCleanUndefined(params)
cleaned := antigravity.CleanJSONSchema(params)
funcMap["parameters"] = cleaned
modified = true
}
}
}
}
if !modified {
return body, nil
}
return json.Marshal(payload)
}
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