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

826 lines
26 KiB
Go

package executor
import (
"context"
"crypto/sha256"
"encoding/hex"
"hash"
"io"
"net/http"
"strings"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
internalcache "github.com/router-for-me/CLIProxyAPI/v7/internal/cache"
"github.com/router-for-me/CLIProxyAPI/v7/internal/runtime/executor/helps"
"github.com/router-for-me/CLIProxyAPI/v7/internal/signature"
"github.com/router-for-me/CLIProxyAPI/v7/internal/thinking"
"github.com/router-for-me/CLIProxyAPI/v7/internal/util"
cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/executor"
sdktranslator "github.com/router-for-me/CLIProxyAPI/v7/sdk/translator"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
type codexReasoningReplayScope struct {
modelName string
sessionKey string
requestFingerprint string
}
func (s codexReasoningReplayScope) valid() bool {
return strings.TrimSpace(s.modelName) != "" && strings.TrimSpace(s.sessionKey) != ""
}
func applyCodexReasoningReplayCache(ctx context.Context, from sdktranslator.Format, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, body []byte) ([]byte, codexReasoningReplayScope) {
updated, scope, _ := applyCodexReasoningReplayCacheRequired(ctx, from, req, opts, body)
return updated, scope
}
func applyCodexReasoningReplayCacheRequired(ctx context.Context, from sdktranslator.Format, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, body []byte) ([]byte, codexReasoningReplayScope, error) {
scope := codexReasoningReplayScopeFromRequest(ctx, from, req, opts, body)
if !scope.valid() {
return body, scope, nil
}
items, ok, errReplay := internalcache.GetCodexReasoningReplayItemsRequired(ctx, scope.modelName, scope.sessionKey)
if errReplay != nil || !ok {
return body, scope, errReplay
}
updated, ok := insertCodexReasoningReplayTurns(body, items)
if !ok {
return body, scope, nil
}
return updated, scope, nil
}
func codexReasoningReplayScopeFromRequest(ctx context.Context, from sdktranslator.Format, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, body []byte) codexReasoningReplayScope {
if !codexReasoningReplayEnabledForSource(from) {
return codexReasoningReplayScope{}
}
modelName := strings.TrimSpace(gjson.GetBytes(body, "model").String())
if modelName == "" {
modelName = thinking.ParseSuffix(req.Model).ModelName
}
inputItems := gjson.GetBytes(body, "input").Array()
return codexReasoningReplayScope{
modelName: modelName,
sessionKey: codexReasoningReplaySessionKey(ctx, from, req, opts, body),
requestFingerprint: codexReplayInputPrefixFingerprint(inputItems, len(inputItems)),
}
}
func codexReasoningReplayEnabledForSource(from sdktranslator.Format) bool {
return sourceFormatEqual(from, sdktranslator.FormatClaude)
}
func sourceFormatEqual(from, want sdktranslator.Format) bool {
return strings.EqualFold(strings.TrimSpace(from.String()), want.String())
}
func codexClaudeCodeReplaySessionKey(ctx context.Context, payload []byte, headers http.Header) string {
sessionKey, _ := helps.ClaudeCodeExecutionScope(ctx, payload, headers)
return sessionKey
}
func codexReasoningReplaySessionKey(ctx context.Context, from sdktranslator.Format, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, body []byte) string {
if ctx == nil {
ctx = context.Background()
}
if sourceFormatEqual(from, sdktranslator.FormatClaude) {
if sessionKey := codexClaudeCodeReplaySessionKey(ctx, req.Payload, opts.Headers); sessionKey != "" {
return sessionKey
}
}
if value := metadataString(opts.Metadata, cliproxyexecutor.ExecutionSessionMetadataKey); value != "" {
return "execution:" + value
}
if value := metadataString(req.Metadata, cliproxyexecutor.ExecutionSessionMetadataKey); value != "" {
return "execution:" + value
}
if value := codexReasoningReplaySessionKeyFromPayload(body); value != "" {
return value
}
if value := codexReasoningReplaySessionKeyFromPayload(req.Payload); value != "" {
return value
}
if value := codexReasoningReplaySessionKeyFromHeaders(opts.Headers); value != "" {
return value
}
if ginCtx, ok := ctx.Value("gin").(*gin.Context); ok && ginCtx != nil && ginCtx.Request != nil {
if value := codexReasoningReplaySessionKeyFromHeaders(ginCtx.Request.Header); value != "" {
return value
}
}
if sourceFormatEqual(from, sdktranslator.FormatOpenAI) {
if apiKey := strings.TrimSpace(helps.APIKeyFromContext(ctx)); apiKey != "" {
return "prompt-cache:" + uuid.NewSHA1(uuid.NameSpaceOID, []byte("cli-proxy-api:codex:prompt-cache:"+apiKey)).String()
}
}
return ""
}
func metadataString(metadata map[string]any, key string) string {
if len(metadata) == 0 {
return ""
}
raw, ok := metadata[key]
if !ok || raw == nil {
return ""
}
switch v := raw.(type) {
case string:
return strings.TrimSpace(v)
case []byte:
return strings.TrimSpace(string(v))
default:
return ""
}
}
func codexReasoningReplaySessionKeyFromPayload(payload []byte) string {
if len(payload) == 0 {
return ""
}
if promptCacheKey := strings.TrimSpace(gjson.GetBytes(payload, "prompt_cache_key").String()); promptCacheKey != "" {
return "prompt-cache:" + promptCacheKey
}
if windowID := strings.TrimSpace(gjson.GetBytes(payload, "client_metadata.x-codex-window-id").String()); windowID != "" {
return "window:" + windowID
}
if turnMetadata := strings.TrimSpace(gjson.GetBytes(payload, "client_metadata.x-codex-turn-metadata").String()); turnMetadata != "" {
return codexReasoningReplaySessionKeyFromTurnMetadata(turnMetadata)
}
return ""
}
func codexReasoningReplaySessionKeyFromHeaders(headers http.Header) string {
if headers == nil {
return ""
}
if turnMetadata := strings.TrimSpace(headers.Get("X-Codex-Turn-Metadata")); turnMetadata != "" {
if key := codexReasoningReplaySessionKeyFromTurnMetadata(turnMetadata); key != "" {
return key
}
}
if windowID := strings.TrimSpace(headerValueCaseInsensitive(headers, "X-Codex-Window-Id")); windowID != "" {
return "window:" + windowID
}
for _, headerName := range []string{"Session_id", "session_id", "Session-Id"} {
if value := strings.TrimSpace(headerValueCaseInsensitive(headers, headerName)); value != "" {
return "session-id:" + value
}
}
if conversationID := strings.TrimSpace(headerValueCaseInsensitive(headers, "Conversation_id")); conversationID != "" {
return "conversation_id:" + conversationID
}
return ""
}
func codexReasoningReplaySessionKeyFromTurnMetadata(turnMetadata string) string {
if promptCacheKey := strings.TrimSpace(gjson.Get(turnMetadata, "prompt_cache_key").String()); promptCacheKey != "" {
return "prompt-cache:" + promptCacheKey
}
if windowID := strings.TrimSpace(gjson.Get(turnMetadata, "window_id").String()); windowID != "" {
return "window:" + windowID
}
return ""
}
func codexInputHasValidReasoningEncryptedContent(body []byte) bool {
input := gjson.GetBytes(body, "input")
if !input.IsArray() {
return false
}
for _, item := range input.Array() {
if strings.TrimSpace(item.Get("type").String()) != "reasoning" {
continue
}
encryptedContent := item.Get("encrypted_content")
if encryptedContent.Type != gjson.String {
continue
}
if _, err := signature.InspectGPTReasoningSignature(encryptedContent.String()); err == nil {
return true
}
}
return false
}
type codexReasoningReplayTurn struct {
marked bool
assistantFingerprint string
requestFingerprint string
callIDs []string
items [][]byte
}
func insertCodexReasoningReplayTurns(body []byte, replayItems [][]byte) ([]byte, bool) {
input := gjson.GetBytes(body, "input")
if !input.IsArray() || len(replayItems) == 0 {
return body, false
}
inputItems := input.Array()
turns := splitCodexReasoningReplayTurns(replayItems)
insertions := make(map[int][][]byte)
usedAnchorIndexes := make(map[int]bool)
prefixFingerprints := newCodexReplayPrefixFingerprints(inputItems)
fallbackAnchorEnd := len(inputItems) - 1
inserted := false
for turnIndex := len(turns) - 1; turnIndex >= 0; turnIndex-- {
turn := turns[turnIndex]
if len(turn.items) == 0 {
continue
}
if !turn.marked {
items := filterCodexReasoningReplayItemsForInput(body, turn.items)
if len(items) == 0 {
continue
}
index := codexReasoningReplayInsertIndex(inputItems, items)
items = codexAlignReasoningReplayToolCallIDs(inputItems, items)
insertions[index] = append(items, insertions[index]...)
inserted = true
continue
}
anchorIndex, matched := codexReasoningReplayTurnAnchorIndex(inputItems, turn, fallbackAnchorEnd, usedAnchorIndexes, prefixFingerprints)
if !matched {
continue
}
usedAnchorIndexes[anchorIndex] = true
if turn.requestFingerprint == "" {
fallbackAnchorEnd = anchorIndex - 1
}
items := filterCodexReasoningReplayTurnItems(inputItems, turn.items)
if len(items) == 0 {
continue
}
items = codexAlignReasoningReplayToolCallIDs(inputItems, items)
insertions[anchorIndex] = append(items, insertions[anchorIndex]...)
inserted = true
}
if !inserted {
return body, false
}
items := make([]string, 0, len(inputItems)+len(replayItems))
for index, inputItem := range inputItems {
for _, replayItem := range insertions[index] {
items = append(items, string(replayItem))
}
items = append(items, inputItem.Raw)
}
for _, replayItem := range insertions[len(inputItems)] {
items = append(items, string(replayItem))
}
updated, err := sjson.SetRawBytes(body, "input", []byte("["+strings.Join(items, ",")+"]"))
if err != nil {
return body, false
}
return updated, true
}
func splitCodexReasoningReplayTurns(items [][]byte) []codexReasoningReplayTurn {
turns := make([]codexReasoningReplayTurn, 0)
current := codexReasoningReplayTurn{}
appendCurrent := func() {
if len(current.items) > 0 {
turns = append(turns, current)
}
}
for _, item := range items {
itemResult := gjson.ParseBytes(item)
if strings.TrimSpace(itemResult.Get("type").String()) == internalcache.CodexReasoningReplayTurnType {
appendCurrent()
current = codexReasoningReplayTurn{
marked: true,
assistantFingerprint: strings.TrimSpace(itemResult.Get("assistant_fingerprint").String()),
requestFingerprint: strings.TrimSpace(itemResult.Get("request_fingerprint").String()),
}
if callIDs := itemResult.Get("call_ids"); callIDs.IsArray() {
for _, callIDResult := range callIDs.Array() {
if callID := strings.TrimSpace(callIDResult.String()); callID != "" {
current.callIDs = append(current.callIDs, callID)
}
}
}
continue
}
current.items = append(current.items, item)
}
appendCurrent()
return turns
}
func codexReasoningReplayTurnAnchorIndex(inputItems []gjson.Result, turn codexReasoningReplayTurn, fallbackEnd int, used map[int]bool, prefixFingerprints *codexReplayPrefixFingerprints) (int, bool) {
searchEnd := fallbackEnd
if turn.requestFingerprint != "" {
searchEnd = len(inputItems) - 1
}
if searchEnd >= len(inputItems) {
searchEnd = len(inputItems) - 1
}
matchesRequestPrefix := func(index int) bool {
return turn.requestFingerprint == "" || prefixFingerprints.at(index) == turn.requestFingerprint
}
if len(turn.callIDs) > 0 {
callIDs := make(map[string]bool)
for _, callID := range turn.callIDs {
for _, candidate := range codexReplayComparableCallIDs(callID) {
callIDs[candidate] = true
}
}
for index := searchEnd; index >= 0; index-- {
if used[index] || !matchesRequestPrefix(index) {
continue
}
itemType := strings.TrimSpace(inputItems[index].Get("type").String())
if itemType != "function_call" && itemType != "custom_tool_call" && itemType != "function_call_output" && itemType != "custom_tool_call_output" {
continue
}
for _, candidate := range codexReplayComparableCallIDs(inputItems[index].Get("call_id").String()) {
if callIDs[candidate] {
return index, true
}
}
}
}
if turn.assistantFingerprint != "" {
for index := searchEnd; index >= 0; index-- {
if used[index] || !matchesRequestPrefix(index) {
continue
}
if codexReplayAssistantMessageFingerprint(inputItems[index]) == turn.assistantFingerprint {
return index, true
}
}
}
if len(turn.callIDs) == 0 && turn.assistantFingerprint == "" {
return codexReasoningReplayInsertIndex(inputItems, turn.items), true
}
return 0, false
}
func filterCodexReasoningReplayTurnItems(inputItems []gjson.Result, items [][]byte) [][]byte {
existingReasoning := make(map[string]bool)
existingCalls := make(map[string]bool)
existingOutputs := make(map[string]bool)
for _, inputItem := range inputItems {
itemType := strings.TrimSpace(inputItem.Get("type").String())
switch itemType {
case "reasoning":
if encryptedContent := strings.TrimSpace(inputItem.Get("encrypted_content").String()); encryptedContent != "" {
existingReasoning[encryptedContent] = true
}
case "function_call_output", "custom_tool_call_output":
for _, candidate := range codexReplayComparableCallIDs(inputItem.Get("call_id").String()) {
existingOutputs[candidate] = true
}
}
for _, key := range codexReplayToolCallKeys(inputItem) {
existingCalls[key] = true
}
}
filtered := make([][]byte, 0, len(items))
for _, item := range items {
itemResult := gjson.ParseBytes(item)
switch strings.TrimSpace(itemResult.Get("type").String()) {
case "reasoning":
if existingReasoning[strings.TrimSpace(itemResult.Get("encrypted_content").String())] {
continue
}
case "function_call", "custom_tool_call":
keys := codexReplayToolCallKeys(itemResult)
if len(keys) == 0 || codexReplayAnyToolCallKeyExists(existingCalls, keys) {
continue
}
hasMatchingOutput := false
for _, candidate := range codexReplayComparableCallIDs(itemResult.Get("call_id").String()) {
if existingOutputs[candidate] {
hasMatchingOutput = true
break
}
}
if !hasMatchingOutput {
continue
}
for _, key := range keys {
existingCalls[key] = true
}
default:
continue
}
filtered = append(filtered, item)
}
return filtered
}
func codexReplayAssistantMessageFingerprint(item gjson.Result) string {
itemType := strings.TrimSpace(item.Get("type").String())
if itemType != "" && itemType != "message" {
return ""
}
if !strings.EqualFold(strings.TrimSpace(item.Get("role").String()), "assistant") {
return ""
}
content := item.Get("content")
var builder strings.Builder
if content.Type == gjson.String {
builder.WriteString(content.String())
} else if content.IsArray() {
for _, part := range content.Array() {
switch strings.TrimSpace(part.Get("type").String()) {
case "input_text", "output_text":
builder.WriteString(part.Get("text").String())
case "refusal":
builder.WriteString("\x00refusal\x00")
builder.WriteString(part.Get("refusal").String())
default:
return ""
}
}
} else {
return ""
}
if builder.Len() == 0 {
return ""
}
sum := sha256.Sum256([]byte(builder.String()))
return hex.EncodeToString(sum[:])
}
func codexReplayInputPrefixFingerprint(inputItems []gjson.Result, end int) string {
if end < 0 || end > len(inputItems) {
return ""
}
hasher := sha256.New()
for index := 0; index < end; index++ {
_, _ = hasher.Write([]byte("\x00item\x00"))
_, _ = hasher.Write([]byte(inputItems[index].Raw))
}
return hex.EncodeToString(hasher.Sum(nil))
}
// codexReplayPrefixFingerprints answers codexReplayInputPrefixFingerprint queries
// from one incremental hashing pass. The anchor search probes many prefixes per
// turn; recomputing each prefix from scratch is O(n^2) hashing and stalled large
// long-context requests for minutes before anything was sent upstream.
type codexReplayPrefixFingerprints struct {
items []gjson.Result
hasher hash.Hash
// sums[end] is the fingerprint of items[0:end]; extended lazily.
sums []string
}
func newCodexReplayPrefixFingerprints(items []gjson.Result) *codexReplayPrefixFingerprints {
hasher := sha256.New()
return &codexReplayPrefixFingerprints{
items: items,
hasher: hasher,
sums: []string{hex.EncodeToString(hasher.Sum(nil))},
}
}
func (f *codexReplayPrefixFingerprints) at(end int) string {
if end < 0 || end > len(f.items) {
return ""
}
// Sum copies the running digest state, so absorbing one item and
// snapshotting per step reproduces every prefix fingerprint exactly.
for len(f.sums) <= end {
next := len(f.sums) - 1
_, _ = f.hasher.Write([]byte("\x00item\x00"))
_, _ = io.WriteString(f.hasher, f.items[next].Raw)
f.sums = append(f.sums, hex.EncodeToString(f.hasher.Sum(nil)))
}
return f.sums[end]
}
func filterCodexReasoningReplayItemsForInput(body []byte, items [][]byte) [][]byte {
input := gjson.GetBytes(body, "input")
if !input.IsArray() {
return nil
}
hasInputReasoning := codexInputHasValidReasoningEncryptedContent(body)
existingCalls := make(map[string]bool)
existingOutputs := make(map[string]bool)
for _, inputItem := range input.Array() {
itemType := strings.TrimSpace(inputItem.Get("type").String())
if itemType == "function_call_output" || itemType == "custom_tool_call_output" {
callID := strings.TrimSpace(inputItem.Get("call_id").String())
if callID != "" {
for _, candidate := range codexReplayComparableCallIDs(callID) {
existingOutputs[candidate] = true
}
}
}
for _, key := range codexReplayToolCallKeys(inputItem) {
existingCalls[key] = true
}
}
filtered := make([][]byte, 0, len(items))
for _, item := range items {
itemResult := gjson.ParseBytes(item)
switch strings.TrimSpace(itemResult.Get("type").String()) {
case "reasoning":
if hasInputReasoning {
continue
}
case "function_call", "custom_tool_call":
keys := codexReplayToolCallKeys(itemResult)
if len(keys) == 0 || codexReplayAnyToolCallKeyExists(existingCalls, keys) {
continue
}
// Only inject if there is a matching output in the request
hasMatchingOutput := false
callID := strings.TrimSpace(itemResult.Get("call_id").String())
if callID != "" {
for _, candidate := range codexReplayComparableCallIDs(callID) {
if existingOutputs[candidate] {
hasMatchingOutput = true
break
}
}
}
if !hasMatchingOutput {
continue
}
for _, key := range keys {
existingCalls[key] = true
}
default:
continue
}
filtered = append(filtered, item)
}
return filtered
}
func insertCodexReasoningReplayItems(body []byte, replayItems [][]byte) ([]byte, bool) {
input := gjson.GetBytes(body, "input")
if !input.IsArray() || len(replayItems) == 0 {
return body, false
}
inputItems := input.Array()
insertIndex := codexReasoningReplayInsertIndex(inputItems, replayItems)
replayItems = codexAlignReasoningReplayToolCallIDs(inputItems, replayItems)
items := make([]string, 0, len(inputItems)+len(replayItems))
for i, inputItem := range inputItems {
if i == insertIndex {
for _, replayItem := range replayItems {
items = append(items, string(replayItem))
}
}
items = append(items, inputItem.Raw)
}
if insertIndex == len(inputItems) {
for _, replayItem := range replayItems {
items = append(items, string(replayItem))
}
}
updated, err := sjson.SetRawBytes(body, "input", []byte("["+strings.Join(items, ",")+"]"))
if err != nil {
return body, false
}
return updated, true
}
func codexReasoningReplayInsertIndex(inputItems []gjson.Result, replayItems [][]byte) int {
replayCallIDs := make(map[string]bool)
for _, replayItem := range replayItems {
itemResult := gjson.ParseBytes(replayItem)
itemType := strings.TrimSpace(itemResult.Get("type").String())
if itemType != "function_call" && itemType != "custom_tool_call" {
continue
}
for _, callID := range codexReplayComparableCallIDs(itemResult.Get("call_id").String()) {
replayCallIDs[callID] = true
}
}
if len(replayCallIDs) > 0 {
for index, inputItem := range inputItems {
itemType := strings.TrimSpace(inputItem.Get("type").String())
if itemType != "function_call_output" && itemType != "custom_tool_call_output" {
continue
}
callID := strings.TrimSpace(inputItem.Get("call_id").String())
if callID == "" || replayCallIDs[callID] {
return index
}
}
}
for index := len(inputItems) - 1; index >= 0; index-- {
inputItem := inputItems[index]
if role, ok := codexReplayMessageRole(inputItem); ok && role == "assistant" {
return index
}
}
for index, inputItem := range inputItems {
if shouldInsertCodexReasoningReplayBefore(inputItem) {
return index
}
}
return len(inputItems)
}
func codexAlignReasoningReplayToolCallIDs(inputItems []gjson.Result, replayItems [][]byte) [][]byte {
outputCallIDs := codexReplayOutputCallIDs(inputItems)
if len(outputCallIDs) == 0 {
return replayItems
}
aligned := make([][]byte, 0, len(replayItems))
for _, replayItem := range replayItems {
itemResult := gjson.ParseBytes(replayItem)
itemType := strings.TrimSpace(itemResult.Get("type").String())
if itemType != "function_call" && itemType != "custom_tool_call" {
aligned = append(aligned, replayItem)
continue
}
callID := strings.TrimSpace(itemResult.Get("call_id").String())
outputCallID := ""
for _, candidate := range codexReplayComparableCallIDs(callID) {
if value := outputCallIDs[candidate]; value != "" {
outputCallID = value
break
}
}
if outputCallID == "" || outputCallID == callID {
aligned = append(aligned, replayItem)
continue
}
updated, err := sjson.SetBytes(replayItem, "call_id", outputCallID)
if err != nil {
aligned = append(aligned, replayItem)
continue
}
aligned = append(aligned, updated)
}
return aligned
}
func codexReplayOutputCallIDs(inputItems []gjson.Result) map[string]string {
outputCallIDs := make(map[string]string)
for _, inputItem := range inputItems {
itemType := strings.TrimSpace(inputItem.Get("type").String())
if itemType != "function_call_output" && itemType != "custom_tool_call_output" {
continue
}
callID := strings.TrimSpace(inputItem.Get("call_id").String())
if callID == "" {
continue
}
for _, candidate := range codexReplayComparableCallIDs(callID) {
outputCallIDs[candidate] = callID
}
}
return outputCallIDs
}
func shouldInsertCodexReasoningReplayBefore(item gjson.Result) bool {
role, ok := codexReplayMessageRole(item)
if !ok {
return true
}
switch role {
case "developer", "system":
return false
default:
return true
}
}
func codexReplayMessageRole(item gjson.Result) (string, bool) {
itemType := strings.TrimSpace(item.Get("type").String())
role := strings.ToLower(strings.TrimSpace(item.Get("role").String()))
if role == "" || (itemType != "" && itemType != "message") {
return "", false
}
return role, true
}
func codexReplayToolCallKeys(item gjson.Result) []string {
itemType := strings.TrimSpace(item.Get("type").String())
if itemType != "function_call" && itemType != "custom_tool_call" {
return nil
}
callIDs := codexReplayComparableCallIDs(item.Get("call_id").String())
if len(callIDs) == 0 {
return nil
}
keys := make([]string, 0, len(callIDs))
for _, callID := range callIDs {
keys = append(keys, itemType+":"+callID)
}
return keys
}
func codexReplayAnyToolCallKeyExists(existing map[string]bool, keys []string) bool {
for _, key := range keys {
if existing[key] {
return true
}
}
return false
}
func codexReplayComparableCallIDs(callID string) []string {
callID = strings.TrimSpace(callID)
if callID == "" {
return nil
}
claudeVisibleCallID := shortenCodexReplayCallIDIfNeeded(util.SanitizeClaudeToolID(callID))
if claudeVisibleCallID == "" || claudeVisibleCallID == callID {
return []string{callID}
}
return []string{callID, claudeVisibleCallID}
}
func shortenCodexReplayCallIDIfNeeded(id string) string {
const limit = 64
if len(id) <= limit {
return id
}
sum := sha256.Sum256([]byte(id))
suffix := "_" + hex.EncodeToString(sum[:8])
prefixLen := limit - len(suffix)
if prefixLen <= 0 {
return suffix[len(suffix)-limit:]
}
return id[:prefixLen] + suffix
}
func cacheCodexReasoningReplayFromCompleted(scope codexReasoningReplayScope, completedData []byte) {
if !scope.valid() {
return
}
output := gjson.GetBytes(completedData, "response.output")
if !output.IsArray() {
return
}
replayItems := make([][]byte, 0, len(output.Array()))
callIDs := make([]string, 0)
assistantFingerprint := ""
for _, item := range output.Array() {
switch strings.TrimSpace(item.Get("type").String()) {
case "reasoning":
replayItems = append(replayItems, []byte(item.Raw))
case "function_call", "custom_tool_call":
replayItems = append(replayItems, []byte(item.Raw))
if callID := strings.TrimSpace(item.Get("call_id").String()); callID != "" {
callIDs = append(callIDs, callID)
}
case "message":
if fingerprint := codexReplayAssistantMessageFingerprint(item); fingerprint != "" {
assistantFingerprint = fingerprint
}
}
}
if len(replayItems) == 0 {
return
}
hasher := sha256.New()
_, _ = hasher.Write([]byte(scope.requestFingerprint))
_, _ = hasher.Write([]byte("\x00assistant\x00" + assistantFingerprint))
for _, callID := range callIDs {
_, _ = hasher.Write([]byte("\x00call\x00" + callID))
}
for _, item := range replayItems {
_, _ = hasher.Write([]byte("\x00item\x00"))
_, _ = hasher.Write(item)
}
marker := []byte(`{"type":"` + internalcache.CodexReasoningReplayTurnType + `"}`)
marker, _ = sjson.SetBytes(marker, "id", hex.EncodeToString(hasher.Sum(nil)))
if assistantFingerprint != "" {
marker, _ = sjson.SetBytes(marker, "assistant_fingerprint", assistantFingerprint)
}
if scope.requestFingerprint != "" {
marker, _ = sjson.SetBytes(marker, "request_fingerprint", scope.requestFingerprint)
}
for _, callID := range callIDs {
marker, _ = sjson.SetBytes(marker, "call_ids.-1", callID)
}
items := make([][]byte, 0, len(replayItems)+1)
items = append(items, marker)
items = append(items, replayItems...)
internalcache.AppendCodexReasoningReplayItemsBestEffort(context.Background(), scope.modelName, scope.sessionKey, items)
}
func clearCodexReasoningReplayOnInvalidSignature(ctx context.Context, scope codexReasoningReplayScope, statusCode int, body []byte) error {
if !scope.valid() {
return nil
}
code, _, ok := codexStatusErrorClassification(statusCode, body)
if ok && code == "thinking_signature_invalid" {
return internalcache.DeleteCodexReasoningReplayItemRequired(ctx, scope.modelName, scope.sessionKey)
}
return nil
}