vibe-proxy/backend/internal/runtime/executor/antigravity_executor_execute.go
2026-08-24 00:10:41 +02:00

752 lines
28 KiB
Go

package executor
import (
"bufio"
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"strings"
"time"
"github.com/router-for-me/CLIProxyAPI/v7/internal/runtime/executor/helps"
"github.com/router-for-me/CLIProxyAPI/v7/internal/thinking"
cliproxyauth "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/auth"
cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/executor"
sdktranslator "github.com/router-for-me/CLIProxyAPI/v7/sdk/translator"
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
// Execute performs a non-streaming request to the Antigravity API.
func (e *AntigravityExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) {
if opts.Alt == "responses/compact" {
return resp, statusErr{code: http.StatusNotImplemented, msg: "/responses/compact not supported"}
}
baseModel := thinking.ParseSuffix(req.Model).ModelName
if inCooldown, remaining, errCooldown := antigravityIsInShortCooldownRequired(ctx, auth, baseModel, time.Now()); errCooldown != nil {
return resp, homeKVUnavailableStatusErr(errCooldown)
} else if inCooldown && !antigravityShouldBypassShortCooldown(ctx, e.cfg) {
log.Debugf("antigravity executor: auth %s in short cooldown for model %s (%s remaining), returning 429 to switch auth", auth.ID, baseModel, remaining)
d := remaining
return resp, statusErr{code: http.StatusTooManyRequests, msg: fmt.Sprintf("auth in short cooldown, %s remaining", remaining), retryAfter: &d}
}
isClaude := strings.Contains(strings.ToLower(baseModel), "claude")
if isClaude || strings.Contains(baseModel, "gemini-3-pro") || strings.Contains(baseModel, "gemini-3.1-flash-image") {
return e.executeClaudeNonStream(ctx, auth, req, opts)
}
reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth)
defer reporter.TrackFailure(ctx, &err)
from := opts.SourceFormat
responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts)
to := sdktranslator.FromString("antigravity")
originalPayloadSource := req.Payload
if len(opts.OriginalRequest) > 0 {
originalPayloadSource = opts.OriginalRequest
}
originalPayload := originalPayloadSource
originalPayload, errValidate := validateAntigravityRequestSignatures(ctx, baseModel, from, originalPayload)
if errValidate != nil {
return resp, errValidate
}
req.Payload = originalPayload
token, updatedAuth, errToken := e.ensureAccessToken(ctx, auth)
if errToken != nil {
return resp, errToken
}
if updatedAuth != nil {
auth = updatedAuth
reporter.UpdateAccessTokenFingerprint(auth)
}
originalTranslated, translated := helps.TranslateRequestPairWithCodexMultiAgentV2(ctx, opts.Headers, e.cfg, from, to, baseModel, originalPayload, req.Payload, false)
translated, err = helps.ApplyThinkingWithSourcePayload(translated, req.Payload, originalPayloadSource, req.Model, from.String(), to.String(), e.Identifier())
if err != nil {
return resp, err
}
requestedModel := helps.PayloadRequestedModel(opts, req.Model)
requestPath := helps.PayloadRequestPath(opts)
translated = helps.ApplyPayloadConfigWithRequest(e.cfg, baseModel, "antigravity", from.String(), "request", translated, originalTranslated, requestedModel, requestPath, opts.Headers)
translated = e.obfuscateSensitiveWords(translated)
translated = sanitizeAntigravityGeminiRequestSignatures(baseModel, translated)
reporter.SetTranslatedReasoningEffort(translated, to.String())
useCredits := cliproxyauth.AntigravityCreditsRequested(ctx) && antigravityCreditsRetryEnabled(e.cfg)
baseURLs := antigravityBaseURLFallbackOrder(auth)
httpClient := newAntigravityHTTPClient(ctx, e.cfg, auth, 0)
httpClient = reporter.TrackHTTPClient(httpClient)
// Credential retry rounds are owned by the conductor. Keep one upstream
// attempt per credential so request-retry is not consumed twice.
attempts := 1
attemptLoop:
for attempt := 0; attempt < attempts; attempt++ {
var lastStatus int
var lastBody []byte
var lastErr error
for idx, baseURL := range baseURLs {
requestPayload := translated
if useCredits {
if cp := injectEnabledCreditTypes(translated); len(cp) > 0 {
requestPayload = cp
helps.MarkCreditsUsed(ctx)
}
}
replayScope := antigravityReasoningReplayScope{}
if antigravityUsesReasoningReplayCache(baseModel) {
var errReplay error
requestPayload, replayScope, errReplay = prepareAntigravityGeminiReasoningReplayPayload(ctx, baseModel, req, opts, requestPayload)
if errReplay != nil {
err = errReplay
return resp, err
}
}
requestPayload = ensureAntigravityGeminiLeadingUserContent(baseModel, requestPayload)
httpReq, errReq := e.buildRequest(ctx, auth, token, baseModel, requestPayload, false, opts.Alt, baseURL, helps.DerivedAntigravitySessionID(opts.Metadata, req.Metadata))
if errReq != nil {
err = errReq
return resp, err
}
httpResp, errDo := httpClient.Do(httpReq)
if errDo != nil {
helps.RecordAPIResponseError(ctx, e.cfg, errDo)
if errors.Is(errDo, context.Canceled) || errors.Is(errDo, context.DeadlineExceeded) {
return resp, errDo
}
lastStatus = 0
lastBody = nil
lastErr = errDo
if idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: request error on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
err = errDo
return resp, err
}
helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
bodyBytes, errRead := io.ReadAll(httpResp.Body)
if errClose := httpResp.Body.Close(); errClose != nil {
log.Errorf("antigravity executor: close response body error: %v", errClose)
}
if errRead != nil {
helps.RecordAPIResponseError(ctx, e.cfg, errRead)
err = errRead
return resp, err
}
helps.AppendAPIResponseChunk(ctx, e.cfg, bodyBytes)
if httpResp.StatusCode == http.StatusTooManyRequests {
decision := decideAntigravity429(bodyBytes)
switch decision.kind {
case antigravity429DecisionInstantRetrySameAuth:
if attempt+1 < attempts {
if decision.retryAfter != nil && *decision.retryAfter > 0 {
wait := antigravityInstantRetryDelay(*decision.retryAfter)
log.Debugf("antigravity executor: instant retry for model %s, waiting %s", baseModel, wait)
if errWait := antigravityWait(ctx, wait); errWait != nil {
return resp, errWait
}
}
continue attemptLoop
}
case antigravity429DecisionShortCooldownSwitchAuth:
if decision.retryAfter != nil && *decision.retryAfter > 0 {
if errMarkCooldown := markAntigravityShortCooldownRequired(ctx, auth, baseModel, time.Now(), *decision.retryAfter); errMarkCooldown != nil {
err = homeKVUnavailableStatusErr(errMarkCooldown)
return resp, err
}
log.Debugf("antigravity executor: short quota cooldown (%s) for model %s, recorded cooldown", *decision.retryAfter, baseModel)
}
case antigravity429DecisionFullQuotaExhausted:
if useCredits && antigravityHasExplicitCreditsBalanceExhaustedReason(bodyBytes) {
markAntigravityCreditsPermanentlyDisabled(auth)
}
// No credits logic - just fall through to error return below
}
}
if httpResp.StatusCode < http.StatusOK || httpResp.StatusCode >= http.StatusMultipleChoices {
log.Debugf("antigravity executor: upstream error status: %d, body: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), bodyBytes))
lastStatus = httpResp.StatusCode
lastBody = append([]byte(nil), bodyBytes...)
lastErr = nil
if httpResp.StatusCode == http.StatusTooManyRequests && idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: rate limited on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
if antigravityShouldRetryTransientResourceExhausted429(httpResp.StatusCode, bodyBytes) && attempt+1 < attempts {
delay := antigravityTransient429RetryDelay(attempt)
log.Debugf("antigravity executor: transient 429 resource exhausted for model %s, retrying in %s (attempt %d/%d)", baseModel, delay, attempt+1, attempts)
if errWait := antigravityWait(ctx, delay); errWait != nil {
return resp, errWait
}
continue attemptLoop
}
if antigravityShouldRetryNoCapacity(httpResp.StatusCode, bodyBytes) {
if idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: no capacity on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
if attempt+1 < attempts {
delay := antigravityNoCapacityRetryDelay(attempt)
log.Debugf("antigravity executor: no capacity for model %s, retrying in %s (attempt %d/%d)", baseModel, delay, attempt+1, attempts)
if errWait := antigravityWait(ctx, delay); errWait != nil {
return resp, errWait
}
continue attemptLoop
}
}
if antigravityShouldRetrySoftRateLimit(httpResp.StatusCode, bodyBytes) {
if attempt+1 < attempts {
delay := antigravitySoftRateLimitDelay(attempt)
log.Debugf("antigravity executor: soft rate limit for model %s, retrying in %s (attempt %d/%d)", baseModel, delay, attempt+1, attempts)
if errWait := antigravityWait(ctx, delay); errWait != nil {
return resp, errWait
}
continue attemptLoop
}
}
if errClear := clearAntigravityReasoningReplayOnInvalidSignature(ctx, replayScope, httpResp.StatusCode, bodyBytes); errClear != nil {
// Report the upstream failure rather than the cleanup failure.
logAntigravityReasoningReplayDegraded(replayScope, "invalidate", errClear)
}
err = newAntigravityStatusErr(httpResp.StatusCode, bodyBytes)
return resp, err
}
// Success
if useCredits {
clearAntigravityCreditsFailureState(auth)
}
cacheAntigravityReasoningReplayFromResponse(ctx, replayScope, requestPayload, bodyBytes)
bodyBytes = e.resolveWebSearchGroundingURLs(ctx, auth, from, originalPayload, translated, bodyBytes)
reporter.Publish(ctx, helps.ParseAntigravityUsage(bodyBytes))
var param any
converted := sdktranslator.TranslateNonStream(ctx, to, responseFormat, req.Model, opts.OriginalRequest, translated, bodyBytes, &param)
if responseFormat == sdktranslator.FormatOpenAIResponse {
converted = helps.EnsureResponsesUsageDetails(converted)
}
resp = cliproxyexecutor.Response{Payload: converted, Headers: httpResp.Header.Clone()}
reporter.EnsurePublished(ctx)
return resp, nil
}
switch {
case lastStatus != 0:
err = newAntigravityStatusErr(lastStatus, lastBody)
case lastErr != nil:
err = lastErr
default:
err = statusErr{code: http.StatusServiceUnavailable, msg: "antigravity executor: no base url available"}
}
return resp, err
}
return resp, err
}
// executeClaudeNonStream performs a claude non-streaming request to the Antigravity API.
func (e *AntigravityExecutor) executeClaudeNonStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) {
baseModel := thinking.ParseSuffix(req.Model).ModelName
if inCooldown, remaining, errCooldown := antigravityIsInShortCooldownRequired(ctx, auth, baseModel, time.Now()); errCooldown != nil {
return resp, homeKVUnavailableStatusErr(errCooldown)
} else if inCooldown && !antigravityShouldBypassShortCooldown(ctx, e.cfg) {
log.Debugf("antigravity executor: auth %s in short cooldown for model %s (%s remaining), returning 429 to switch auth", auth.ID, baseModel, remaining)
d := remaining
return resp, statusErr{code: http.StatusTooManyRequests, msg: fmt.Sprintf("auth in short cooldown, %s remaining", remaining), retryAfter: &d}
}
reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth)
defer reporter.TrackFailure(ctx, &err)
from := opts.SourceFormat
responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts)
to := sdktranslator.FromString("antigravity")
originalPayloadSource := req.Payload
if len(opts.OriginalRequest) > 0 {
originalPayloadSource = opts.OriginalRequest
}
originalPayload := originalPayloadSource
originalPayload, errValidate := validateAntigravityRequestSignatures(ctx, baseModel, from, originalPayload)
if errValidate != nil {
return resp, errValidate
}
req.Payload = originalPayload
token, updatedAuth, errToken := e.ensureAccessToken(ctx, auth)
if errToken != nil {
return resp, errToken
}
if updatedAuth != nil {
auth = updatedAuth
reporter.UpdateAccessTokenFingerprint(auth)
}
originalTranslated, translated := helps.TranslateRequestPairWithCodexMultiAgentV2(ctx, opts.Headers, e.cfg, from, to, baseModel, originalPayload, req.Payload, true)
translated, err = helps.ApplyThinkingWithSourcePayload(translated, req.Payload, originalPayloadSource, req.Model, from.String(), to.String(), e.Identifier())
if err != nil {
return resp, err
}
requestedModel := helps.PayloadRequestedModel(opts, req.Model)
requestPath := helps.PayloadRequestPath(opts)
translated = helps.ApplyPayloadConfigWithRequest(e.cfg, baseModel, "antigravity", from.String(), "request", translated, originalTranslated, requestedModel, requestPath, opts.Headers)
translated = e.obfuscateSensitiveWords(translated)
translated = sanitizeAntigravityGeminiRequestSignatures(baseModel, translated)
reporter.SetTranslatedReasoningEffort(translated, to.String())
useCredits := cliproxyauth.AntigravityCreditsRequested(ctx) && antigravityCreditsRetryEnabled(e.cfg)
baseURLs := antigravityBaseURLFallbackOrder(auth)
httpClient := newAntigravityHTTPClient(ctx, e.cfg, auth, 0)
httpClient = reporter.TrackHTTPClient(httpClient)
// Credential retry rounds are owned by the conductor. Keep one upstream
// attempt per credential so request-retry is not consumed twice.
attempts := 1
attemptLoop:
for attempt := 0; attempt < attempts; attempt++ {
var lastStatus int
var lastBody []byte
var lastErr error
for idx, baseURL := range baseURLs {
requestPayload := translated
if useCredits {
if cp := injectEnabledCreditTypes(translated); len(cp) > 0 {
requestPayload = cp
helps.MarkCreditsUsed(ctx)
}
}
replayScope := antigravityReasoningReplayScope{}
if antigravityUsesReasoningReplayCache(baseModel) {
var errReplay error
requestPayload, replayScope, errReplay = prepareAntigravityGeminiReasoningReplayPayload(ctx, baseModel, req, opts, requestPayload)
if errReplay != nil {
err = errReplay
return resp, err
}
}
requestPayload = ensureAntigravityGeminiLeadingUserContent(baseModel, requestPayload)
httpReq, errReq := e.buildRequest(ctx, auth, token, baseModel, requestPayload, true, opts.Alt, baseURL, helps.DerivedAntigravitySessionID(opts.Metadata, req.Metadata))
if errReq != nil {
err = errReq
return resp, err
}
httpResp, errDo := httpClient.Do(httpReq)
if errDo != nil {
helps.RecordAPIResponseError(ctx, e.cfg, errDo)
if errors.Is(errDo, context.Canceled) || errors.Is(errDo, context.DeadlineExceeded) {
return resp, errDo
}
lastStatus = 0
lastBody = nil
lastErr = errDo
if idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: request error on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
err = errDo
return resp, err
}
helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
if httpResp.StatusCode < http.StatusOK || httpResp.StatusCode >= http.StatusMultipleChoices {
bodyBytes, errRead := io.ReadAll(httpResp.Body)
if errClose := httpResp.Body.Close(); errClose != nil {
log.Errorf("antigravity executor: close response body error: %v", errClose)
}
if errRead != nil {
helps.RecordAPIResponseError(ctx, e.cfg, errRead)
if errors.Is(errRead, context.Canceled) || errors.Is(errRead, context.DeadlineExceeded) {
err = errRead
return resp, err
}
if errCtx := ctx.Err(); errCtx != nil {
err = errCtx
return resp, err
}
lastStatus = 0
lastBody = nil
lastErr = errRead
if idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: read error on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
err = errRead
return resp, err
}
helps.AppendAPIResponseChunk(ctx, e.cfg, bodyBytes)
if httpResp.StatusCode == http.StatusTooManyRequests {
decision := decideAntigravity429(bodyBytes)
switch decision.kind {
case antigravity429DecisionInstantRetrySameAuth:
if attempt+1 < attempts {
if decision.retryAfter != nil && *decision.retryAfter > 0 {
wait := antigravityInstantRetryDelay(*decision.retryAfter)
log.Debugf("antigravity executor: instant retry for model %s, waiting %s", baseModel, wait)
if errWait := antigravityWait(ctx, wait); errWait != nil {
return resp, errWait
}
}
continue attemptLoop
}
case antigravity429DecisionShortCooldownSwitchAuth:
if decision.retryAfter != nil && *decision.retryAfter > 0 {
if errMarkCooldown := markAntigravityShortCooldownRequired(ctx, auth, baseModel, time.Now(), *decision.retryAfter); errMarkCooldown != nil {
err = homeKVUnavailableStatusErr(errMarkCooldown)
return resp, err
}
log.Debugf("antigravity executor: short quota cooldown (%s) for model %s, recorded cooldown", *decision.retryAfter, baseModel)
}
case antigravity429DecisionFullQuotaExhausted:
if useCredits && antigravityHasExplicitCreditsBalanceExhaustedReason(bodyBytes) {
markAntigravityCreditsPermanentlyDisabled(auth)
}
// No credits logic - just fall through to error return below
}
}
lastStatus = httpResp.StatusCode
lastBody = append([]byte(nil), bodyBytes...)
lastErr = nil
if httpResp.StatusCode == http.StatusTooManyRequests && idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: rate limited on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
if antigravityShouldRetryTransientResourceExhausted429(httpResp.StatusCode, bodyBytes) && attempt+1 < attempts {
delay := antigravityTransient429RetryDelay(attempt)
log.Debugf("antigravity executor: transient 429 resource exhausted for model %s, retrying in %s (attempt %d/%d)", baseModel, delay, attempt+1, attempts)
if errWait := antigravityWait(ctx, delay); errWait != nil {
return resp, errWait
}
continue attemptLoop
}
if antigravityShouldRetryNoCapacity(httpResp.StatusCode, bodyBytes) {
if idx+1 < len(baseURLs) {
log.Debugf("antigravity executor: no capacity on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
continue
}
if attempt+1 < attempts {
delay := antigravityNoCapacityRetryDelay(attempt)
log.Debugf("antigravity executor: no capacity for model %s, retrying in %s (attempt %d/%d)", baseModel, delay, attempt+1, attempts)
if errWait := antigravityWait(ctx, delay); errWait != nil {
return resp, errWait
}
continue attemptLoop
}
}
if antigravityShouldRetrySoftRateLimit(httpResp.StatusCode, bodyBytes) {
if attempt+1 < attempts {
delay := antigravitySoftRateLimitDelay(attempt)
log.Debugf("antigravity executor: soft rate limit for model %s, retrying in %s (attempt %d/%d)", baseModel, delay, attempt+1, attempts)
if errWait := antigravityWait(ctx, delay); errWait != nil {
return resp, errWait
}
continue attemptLoop
}
}
if errClear := clearAntigravityReasoningReplayOnInvalidSignature(ctx, replayScope, httpResp.StatusCode, bodyBytes); errClear != nil {
// Report the upstream failure rather than the cleanup failure.
logAntigravityReasoningReplayDegraded(replayScope, "invalidate", errClear)
}
err = newAntigravityStatusErr(httpResp.StatusCode, bodyBytes)
return resp, err
}
// Stream success
if useCredits {
clearAntigravityCreditsFailureState(auth)
}
replayAccumulator := newAntigravityReasoningReplayAccumulator(replayScope, requestPayload)
out := make(chan cliproxyexecutor.StreamChunk)
go func(resp *http.Response) {
defer close(out)
defer func() {
if errClose := resp.Body.Close(); errClose != nil {
log.Errorf("antigravity executor: close response body error: %v", errClose)
}
}()
scanner := bufio.NewScanner(resp.Body)
scanner.Buffer(nil, streamScannerBuffer)
for scanner.Scan() {
line := scanner.Bytes()
helps.AppendAPIResponseChunk(ctx, e.cfg, line)
if replayAccumulator != nil {
replayAccumulator.ObserveSSELine(line)
}
// Filter usage metadata for all models
// Only retain usage statistics in the terminal chunk
line = helps.FilterSSEUsageMetadata(line)
payload := helps.JSONPayload(line)
if payload == nil {
continue
}
if detail, ok := helps.ParseAntigravityStreamUsage(payload); ok {
reporter.Publish(ctx, detail)
}
out <- cliproxyexecutor.StreamChunk{Payload: payload}
}
if errScan := scanner.Err(); errScan != nil {
helps.RecordAPIResponseError(ctx, e.cfg, errScan)
reporter.PublishFailure(ctx, errScan)
out <- cliproxyexecutor.StreamChunk{Err: errScan}
} else {
if replayAccumulator != nil {
replayAccumulator.Commit(ctx)
}
reporter.EnsurePublished(ctx)
}
}(httpResp)
var buffer bytes.Buffer
for chunk := range out {
if chunk.Err != nil {
return resp, chunk.Err
}
if len(chunk.Payload) > 0 {
_, _ = buffer.Write(chunk.Payload)
_, _ = buffer.Write([]byte("\n"))
}
}
resp = cliproxyexecutor.Response{Payload: e.convertStreamToNonStream(buffer.Bytes())}
resp.Payload = e.resolveWebSearchGroundingURLs(ctx, auth, from, originalPayload, translated, resp.Payload)
reporter.Publish(ctx, helps.ParseAntigravityUsage(resp.Payload))
var param any
converted := sdktranslator.TranslateNonStream(ctx, to, responseFormat, req.Model, opts.OriginalRequest, translated, resp.Payload, &param)
if responseFormat == sdktranslator.FormatOpenAIResponse {
converted = helps.EnsureResponsesUsageDetails(converted)
}
resp = cliproxyexecutor.Response{Payload: converted, Headers: httpResp.Header.Clone()}
reporter.EnsurePublished(ctx)
return resp, nil
}
switch {
case lastStatus != 0:
err = newAntigravityStatusErr(lastStatus, lastBody)
case lastErr != nil:
err = lastErr
default:
err = statusErr{code: http.StatusServiceUnavailable, msg: "antigravity executor: no base url available"}
}
return resp, err
}
return resp, err
}
func (e *AntigravityExecutor) convertStreamToNonStream(stream []byte) []byte {
responseTemplate := ""
var traceID string
var finishReason string
var modelVersion string
var responseID string
var role string
var usageRaw string
parts := make([]map[string]interface{}, 0)
var pendingKind string
var pendingText strings.Builder
var pendingThoughtSig string
flushPending := func() {
if pendingKind == "" {
return
}
text := pendingText.String()
switch pendingKind {
case "text":
if strings.TrimSpace(text) == "" {
pendingKind = ""
pendingText.Reset()
pendingThoughtSig = ""
return
}
parts = append(parts, map[string]interface{}{"text": text})
case "thought":
if strings.TrimSpace(text) == "" && pendingThoughtSig == "" {
pendingKind = ""
pendingText.Reset()
pendingThoughtSig = ""
return
}
part := map[string]interface{}{"thought": true}
part["text"] = text
if pendingThoughtSig != "" {
part["thoughtSignature"] = pendingThoughtSig
}
parts = append(parts, part)
}
pendingKind = ""
pendingText.Reset()
pendingThoughtSig = ""
}
normalizePart := func(partResult gjson.Result) map[string]interface{} {
var m map[string]interface{}
_ = json.Unmarshal([]byte(partResult.Raw), &m)
if m == nil {
m = map[string]interface{}{}
}
sig := partResult.Get("thoughtSignature").String()
if sig == "" {
sig = partResult.Get("thought_signature").String()
}
if sig != "" {
m["thoughtSignature"] = sig
delete(m, "thought_signature")
}
if inlineData, ok := m["inline_data"]; ok {
m["inlineData"] = inlineData
delete(m, "inline_data")
}
return m
}
for _, line := range bytes.Split(stream, []byte("\n")) {
trimmed := bytes.TrimSpace(line)
if len(trimmed) == 0 || !gjson.ValidBytes(trimmed) {
continue
}
root := gjson.ParseBytes(trimmed)
responseNode := root.Get("response")
if !responseNode.Exists() {
if root.Get("candidates").Exists() {
responseNode = root
} else {
continue
}
}
responseTemplate = responseNode.Raw
if traceResult := root.Get("traceId"); traceResult.Exists() && traceResult.String() != "" {
traceID = traceResult.String()
}
if roleResult := responseNode.Get("candidates.0.content.role"); roleResult.Exists() {
role = roleResult.String()
}
if finishResult := responseNode.Get("candidates.0.finishReason"); finishResult.Exists() && finishResult.String() != "" {
finishReason = finishResult.String()
}
if modelResult := responseNode.Get("modelVersion"); modelResult.Exists() && modelResult.String() != "" {
modelVersion = modelResult.String()
}
if responseIDResult := responseNode.Get("responseId"); responseIDResult.Exists() && responseIDResult.String() != "" {
responseID = responseIDResult.String()
}
if usageResult := responseNode.Get("usageMetadata"); usageResult.Exists() {
usageRaw = usageResult.Raw
} else if usageMetadataResult := root.Get("usageMetadata"); usageMetadataResult.Exists() {
usageRaw = usageMetadataResult.Raw
}
if partsResult := responseNode.Get("candidates.0.content.parts"); partsResult.IsArray() {
for _, part := range partsResult.Array() {
hasFunctionCall := part.Get("functionCall").Exists()
hasInlineData := part.Get("inlineData").Exists() || part.Get("inline_data").Exists()
sig := part.Get("thoughtSignature").String()
if sig == "" {
sig = part.Get("thought_signature").String()
}
text := part.Get("text").String()
thought := part.Get("thought").Bool()
if hasFunctionCall || hasInlineData {
flushPending()
parts = append(parts, normalizePart(part))
continue
}
if thought || part.Get("text").Exists() {
kind := "text"
if thought {
kind = "thought"
}
if pendingKind != "" && pendingKind != kind {
flushPending()
}
pendingKind = kind
pendingText.WriteString(text)
if kind == "thought" && sig != "" {
pendingThoughtSig = sig
}
continue
}
flushPending()
parts = append(parts, normalizePart(part))
}
}
}
flushPending()
if responseTemplate == "" {
responseTemplate = `{"candidates":[{"content":{"role":"model","parts":[]}}]}`
}
partsJSON, _ := json.Marshal(parts)
updatedTemplate, _ := sjson.SetRawBytes([]byte(responseTemplate), "candidates.0.content.parts", partsJSON)
responseTemplate = string(updatedTemplate)
if role != "" {
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "candidates.0.content.role", role)
responseTemplate = string(updatedTemplate)
}
if finishReason != "" {
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "candidates.0.finishReason", finishReason)
responseTemplate = string(updatedTemplate)
}
if modelVersion != "" {
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "modelVersion", modelVersion)
responseTemplate = string(updatedTemplate)
}
if responseID != "" {
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "responseId", responseID)
responseTemplate = string(updatedTemplate)
}
if usageRaw != "" {
updatedTemplate, _ = sjson.SetRawBytes([]byte(responseTemplate), "usageMetadata", []byte(usageRaw))
responseTemplate = string(updatedTemplate)
} else if !gjson.Get(responseTemplate, "usageMetadata").Exists() {
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "usageMetadata.promptTokenCount", 0)
responseTemplate = string(updatedTemplate)
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "usageMetadata.candidatesTokenCount", 0)
responseTemplate = string(updatedTemplate)
updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "usageMetadata.totalTokenCount", 0)
responseTemplate = string(updatedTemplate)
}
output := `{"response":{},"traceId":""}`
updatedOutput, _ := sjson.SetRawBytes([]byte(output), "response", []byte(responseTemplate))
output = string(updatedOutput)
if traceID != "" {
updatedOutput, _ = sjson.SetBytes([]byte(output), "traceId", traceID)
output = string(updatedOutput)
}
return []byte(output)
}