Merge branch 'router-for-me:main' into main

fix(translator): restructure message content handling to support multiple content types

- Consolidated `input_text` and `output_text` handling into a single case.
- Added support for processing `input_image` content with associated URLs.

internal/api/server.go

@@ -980,10 +980,6 @@ func (s *Server) UpdateClients(cfg *config.Config) {
 
 	s.handlers.UpdateClients(&cfg.SDKConfig)
 
-	if !cfg.RemoteManagement.DisableControlPanel {
-		staticDir := managementasset.StaticDir(s.configFilePath)
-		go managementasset.EnsureLatestManagementHTML(context.Background(), staticDir, cfg.ProxyURL, cfg.RemoteManagement.PanelGitHubRepository)
-	}
 	if s.mgmt != nil {
 		s.mgmt.SetConfig(cfg)
 		s.mgmt.SetAuthManager(s.handlers.AuthManager)

internal/config/config.go

@@ -1161,8 +1161,13 @@ func getOrCreateMapValue(mapNode *yaml.Node, key string) *yaml.Node {
 
 // mergeMappingPreserve merges keys from src into dst mapping node while preserving
 // key order and comments of existing keys in dst. New keys are only added if their
-// value is non-zero to avoid polluting the config with defaults.
-func mergeMappingPreserve(dst, src *yaml.Node) {
+// value is non-zero and not a known default to avoid polluting the config with defaults.
+func mergeMappingPreserve(dst, src *yaml.Node, path ...[]string) {
+	var currentPath []string
+	if len(path) > 0 {
+		currentPath = path[0]
+	}
+
 	if dst == nil || src == nil {
 		return
 	}
@@ -1176,16 +1181,19 @@ func mergeMappingPreserve(dst, src *yaml.Node) {
 		sk := src.Content[i]
 		sv := src.Content[i+1]
 		idx := findMapKeyIndex(dst, sk.Value)
+		childPath := appendPath(currentPath, sk.Value)
 		if idx >= 0 {
 			// Merge into existing value node (always update, even to zero values)
 			dv := dst.Content[idx+1]
-			mergeNodePreserve(dv, sv)
+			mergeNodePreserve(dv, sv, childPath)
 		} else {
-			// New key: only add if value is non-zero to avoid polluting config with defaults
-			if isZeroValueNode(sv) {
+			// New key: only add if value is non-zero and not a known default
+			candidate := deepCopyNode(sv)
+			pruneKnownDefaultsInNewNode(childPath, candidate)
+			if isKnownDefaultValue(childPath, candidate) {
 				continue
 			}
-			dst.Content = append(dst.Content, deepCopyNode(sk), deepCopyNode(sv))
+			dst.Content = append(dst.Content, deepCopyNode(sk), candidate)
 		}
 	}
 }
@@ -1193,7 +1201,12 @@ func mergeMappingPreserve(dst, src *yaml.Node) {
 // mergeNodePreserve merges src into dst for scalars, mappings and sequences while
 // reusing destination nodes to keep comments and anchors. For sequences, it updates
 // in-place by index.
-func mergeNodePreserve(dst, src *yaml.Node) {
+func mergeNodePreserve(dst, src *yaml.Node, path ...[]string) {
+	var currentPath []string
+	if len(path) > 0 {
+		currentPath = path[0]
+	}
+
 	if dst == nil || src == nil {
 		return
 	}
@@ -1202,7 +1215,7 @@ func mergeNodePreserve(dst, src *yaml.Node) {
 		if dst.Kind != yaml.MappingNode {
 			copyNodeShallow(dst, src)
 		}
-		mergeMappingPreserve(dst, src)
+		mergeMappingPreserve(dst, src, currentPath)
 	case yaml.SequenceNode:
 		// Preserve explicit null style if dst was null and src is empty sequence
 		if dst.Kind == yaml.ScalarNode && dst.Tag == "!!null" && len(src.Content) == 0 {
@@ -1225,7 +1238,7 @@ func mergeNodePreserve(dst, src *yaml.Node) {
 				dst.Content[i] = deepCopyNode(src.Content[i])
 				continue
 			}
-			mergeNodePreserve(dst.Content[i], src.Content[i])
+			mergeNodePreserve(dst.Content[i], src.Content[i], currentPath)
 			if dst.Content[i] != nil && src.Content[i] != nil &&
 				dst.Content[i].Kind == yaml.MappingNode && src.Content[i].Kind == yaml.MappingNode {
 				pruneMissingMapKeys(dst.Content[i], src.Content[i])
@@ -1267,6 +1280,94 @@ func findMapKeyIndex(mapNode *yaml.Node, key string) int {
 	return -1
 }
 
+// appendPath appends a key to the path, returning a new slice to avoid modifying the original.
+func appendPath(path []string, key string) []string {
+	if len(path) == 0 {
+		return []string{key}
+	}
+	newPath := make([]string, len(path)+1)
+	copy(newPath, path)
+	newPath[len(path)] = key
+	return newPath
+}
+
+// isKnownDefaultValue returns true if the given node at the specified path
+// represents a known default value that should not be written to the config file.
+// This prevents non-zero defaults from polluting the config.
+func isKnownDefaultValue(path []string, node *yaml.Node) bool {
+	// First check if it's a zero value
+	if isZeroValueNode(node) {
+		return true
+	}
+
+	// Match known non-zero defaults by exact dotted path.
+	if len(path) == 0 {
+		return false
+	}
+
+	fullPath := strings.Join(path, ".")
+
+	// Check string defaults
+	if node.Kind == yaml.ScalarNode && node.Tag == "!!str" {
+		switch fullPath {
+		case "pprof.addr":
+			return node.Value == DefaultPprofAddr
+		case "remote-management.panel-github-repository":
+			return node.Value == DefaultPanelGitHubRepository
+		case "routing.strategy":
+			return node.Value == "round-robin"
+		}
+	}
+
+	// Check integer defaults
+	if node.Kind == yaml.ScalarNode && node.Tag == "!!int" {
+		switch fullPath {
+		case "error-logs-max-files":
+			return node.Value == "10"
+		}
+	}
+
+	return false
+}
+
+// pruneKnownDefaultsInNewNode removes default-valued descendants from a new node
+// before it is appended into the destination YAML tree.
+func pruneKnownDefaultsInNewNode(path []string, node *yaml.Node) {
+	if node == nil {
+		return
+	}
+
+	switch node.Kind {
+	case yaml.MappingNode:
+		filtered := make([]*yaml.Node, 0, len(node.Content))
+		for i := 0; i+1 < len(node.Content); i += 2 {
+			keyNode := node.Content[i]
+			valueNode := node.Content[i+1]
+			if keyNode == nil || valueNode == nil {
+				continue
+			}
+
+			childPath := appendPath(path, keyNode.Value)
+			if isKnownDefaultValue(childPath, valueNode) {
+				continue
+			}
+
+			pruneKnownDefaultsInNewNode(childPath, valueNode)
+			if (valueNode.Kind == yaml.MappingNode || valueNode.Kind == yaml.SequenceNode) &&
+				len(valueNode.Content) == 0 {
+				continue
+			}
+
+			filtered = append(filtered, keyNode, valueNode)
+		}
+		node.Content = filtered
+	case yaml.SequenceNode:
+		for _, child := range node.Content {
+			pruneKnownDefaultsInNewNode(path, child)
+		}
+	}
+}
+
 // isZeroValueNode returns true if the YAML node represents a zero/default value
 // that should not be written as a new key to preserve config cleanliness.
 // For mappings and sequences, recursively checks if all children are zero values.

internal/managementasset/updater.go

@@ -28,6 +28,7 @@ const (
 	defaultManagementFallbackURL = "https://cpamc.router-for.me/"
 	managementAssetName          = "management.html"
 	httpUserAgent                = "CLIProxyAPI-management-updater"
+	managementSyncMinInterval    = 30 * time.Second
 	updateCheckInterval          = 3 * time.Hour
 )
 
@@ -37,9 +38,7 @@ const ManagementFileName = managementAssetName
 var (
 	lastUpdateCheckMu   sync.Mutex
 	lastUpdateCheckTime time.Time
-
 	currentConfigPtr    atomic.Pointer[config.Config]
-	disableControlPanel atomic.Bool
 	schedulerOnce       sync.Once
 	schedulerConfigPath atomic.Value
 )
@@ -50,16 +49,7 @@ func SetCurrentConfig(cfg *config.Config) {
 		currentConfigPtr.Store(nil)
 		return
 	}
-
-	prevDisabled := disableControlPanel.Load()
 	currentConfigPtr.Store(cfg)
-	disableControlPanel.Store(cfg.RemoteManagement.DisableControlPanel)
-
-	if prevDisabled && !cfg.RemoteManagement.DisableControlPanel {
-		lastUpdateCheckMu.Lock()
-		lastUpdateCheckTime = time.Time{}
-		lastUpdateCheckMu.Unlock()
-	}
 }
 
 // StartAutoUpdater launches a background goroutine that periodically ensures the management asset is up to date.
@@ -92,7 +82,7 @@ func runAutoUpdater(ctx context.Context) {
 			log.Debug("management asset auto-updater skipped: config not yet available")
 			return
 		}
-		if disableControlPanel.Load() {
+		if cfg.RemoteManagement.DisableControlPanel {
 			log.Debug("management asset auto-updater skipped: control panel disabled")
 			return
 		}
@@ -182,23 +172,32 @@ func FilePath(configFilePath string) string {
 
 // EnsureLatestManagementHTML checks the latest management.html asset and updates the local copy when needed.
 // The function is designed to run in a background goroutine and will never panic.
-// It enforces a 3-hour rate limit to avoid frequent checks on config/auth file changes.
 func EnsureLatestManagementHTML(ctx context.Context, staticDir string, proxyURL string, panelRepository string) {
 	if ctx == nil {
 		ctx = context.Background()
 	}
 
-	if disableControlPanel.Load() {
-		log.Debug("management asset sync skipped: control panel disabled by configuration")
-		return
-	}
-
 	staticDir = strings.TrimSpace(staticDir)
 	if staticDir == "" {
 		log.Debug("management asset sync skipped: empty static directory")
 		return
 	}
 
+	lastUpdateCheckMu.Lock()
+	now := time.Now()
+	timeSinceLastAttempt := now.Sub(lastUpdateCheckTime)
+	if !lastUpdateCheckTime.IsZero() && timeSinceLastAttempt < managementSyncMinInterval {
+		lastUpdateCheckMu.Unlock()
+		log.Debugf(
+			"management asset sync skipped by throttle: last attempt %v ago (interval %v)",
+			timeSinceLastAttempt.Round(time.Second),
+			managementSyncMinInterval,
+		)
+		return
+	}
+	lastUpdateCheckTime = now
+	lastUpdateCheckMu.Unlock()
+
 	localPath := filepath.Join(staticDir, managementAssetName)
 	localFileMissing := false
 	if _, errStat := os.Stat(localPath); errStat != nil {
@@ -209,18 +208,6 @@ func EnsureLatestManagementHTML(ctx context.Context, staticDir string, proxyURL
 		}
 	}
 
-	// Rate limiting: check only once every 3 hours
-	lastUpdateCheckMu.Lock()
-	now := time.Now()
-	timeSinceLastCheck := now.Sub(lastUpdateCheckTime)
-	if timeSinceLastCheck < updateCheckInterval {
-		lastUpdateCheckMu.Unlock()
-		log.Debugf("management asset update check skipped: last check was %v ago (interval: %v)", timeSinceLastCheck.Round(time.Second), updateCheckInterval)
-		return
-	}
-	lastUpdateCheckTime = now
-	lastUpdateCheckMu.Unlock()
-
 	if errMkdirAll := os.MkdirAll(staticDir, 0o755); errMkdirAll != nil {
 		log.WithError(errMkdirAll).Warn("failed to prepare static directory for management asset")
 		return

internal/registry/model_definitions.go

@@ -277,6 +277,18 @@ func GetGitHubCopilotModels() []*ModelInfo {
 			MaxCompletionTokens: 64000,
 			SupportedEndpoints:  []string{"/chat/completions"},
 		},
+		{
+			ID:                  "claude-opus-4.6",
+			Object:              "model",
+			Created:             now,
+			OwnedBy:             "github-copilot",
+			Type:                "github-copilot",
+			DisplayName:         "Claude Opus 4.6",
+			Description:         "Anthropic Claude Opus 4.6 via GitHub Copilot",
+			ContextLength:       200000,
+			MaxCompletionTokens: 64000,
+			SupportedEndpoints:  []string{"/chat/completions"},
+		},
 		{
 			ID:                  "claude-sonnet-4",
 			Object:              "model",

internal/runtime/executor/github_copilot_executor.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"strings"
 	"sync"
 	"time"
 
@@ -33,11 +34,11 @@ const (
 	maxScannerBufferSize = 20_971_520
 
 	// Copilot API header values.
-	copilotUserAgent     = "GithubCopilot/1.0"
-	copilotEditorVersion = "vscode/1.100.0"
-	copilotPluginVersion = "copilot/1.300.0"
+	copilotUserAgent     = "GitHubCopilotChat/0.35.0"
+	copilotEditorVersion = "vscode/1.107.0"
+	copilotPluginVersion = "copilot-chat/0.35.0"
 	copilotIntegrationID = "vscode-chat"
-	copilotOpenAIIntent  = "conversation-panel"
+	copilotOpenAIIntent  = "conversation-edits"
 )
 
 // GitHubCopilotExecutor handles requests to the GitHub Copilot API.
@@ -77,7 +78,7 @@ func (e *GitHubCopilotExecutor) PrepareRequest(req *http.Request, auth *cliproxy
 	if errToken != nil {
 		return errToken
 	}
-	e.applyHeaders(req, apiToken)
+	e.applyHeaders(req, apiToken, nil)
 	return nil
 }
 
@@ -120,6 +121,7 @@ func (e *GitHubCopilotExecutor) Execute(ctx context.Context, auth *cliproxyauth.
 	originalTranslated := sdktranslator.TranslateRequest(from, to, req.Model, originalPayload, false)
 	body := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), false)
 	body = e.normalizeModel(req.Model, body)
+	body = flattenAssistantContent(body)
 	requestedModel := payloadRequestedModel(opts, req.Model)
 	body = applyPayloadConfigWithRoot(e.cfg, req.Model, to.String(), "", body, originalTranslated, requestedModel)
 	body, _ = sjson.SetBytes(body, "stream", false)
@@ -133,7 +135,7 @@ func (e *GitHubCopilotExecutor) Execute(ctx context.Context, auth *cliproxyauth.
 	if err != nil {
 		return resp, err
 	}
-	e.applyHeaders(httpReq, apiToken)
+	e.applyHeaders(httpReq, apiToken, body)
 
 	// Add Copilot-Vision-Request header if the request contains vision content
 	if detectVisionContent(body) {
@@ -225,6 +227,7 @@ func (e *GitHubCopilotExecutor) ExecuteStream(ctx context.Context, auth *cliprox
 	originalTranslated := sdktranslator.TranslateRequest(from, to, req.Model, originalPayload, false)
 	body := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), true)
 	body = e.normalizeModel(req.Model, body)
+	body = flattenAssistantContent(body)
 	requestedModel := payloadRequestedModel(opts, req.Model)
 	body = applyPayloadConfigWithRoot(e.cfg, req.Model, to.String(), "", body, originalTranslated, requestedModel)
 	body, _ = sjson.SetBytes(body, "stream", true)
@@ -242,7 +245,7 @@ func (e *GitHubCopilotExecutor) ExecuteStream(ctx context.Context, auth *cliprox
 	if err != nil {
 		return nil, err
 	}
-	e.applyHeaders(httpReq, apiToken)
+	e.applyHeaders(httpReq, apiToken, body)
 
 	// Add Copilot-Vision-Request header if the request contains vision content
 	if detectVisionContent(body) {
@@ -414,7 +417,7 @@ func (e *GitHubCopilotExecutor) ensureAPIToken(ctx context.Context, auth *clipro
 }
 
 // applyHeaders sets the required headers for GitHub Copilot API requests.
-func (e *GitHubCopilotExecutor) applyHeaders(r *http.Request, apiToken string) {
+func (e *GitHubCopilotExecutor) applyHeaders(r *http.Request, apiToken string, body []byte) {
 	r.Header.Set("Content-Type", "application/json")
 	r.Header.Set("Authorization", "Bearer "+apiToken)
 	r.Header.Set("Accept", "application/json")
@@ -424,6 +427,20 @@ func (e *GitHubCopilotExecutor) applyHeaders(r *http.Request, apiToken string) {
 	r.Header.Set("Openai-Intent", copilotOpenAIIntent)
 	r.Header.Set("Copilot-Integration-Id", copilotIntegrationID)
 	r.Header.Set("X-Request-Id", uuid.NewString())
+
+	initiator := "user"
+	if len(body) > 0 {
+		if messages := gjson.GetBytes(body, "messages"); messages.Exists() && messages.IsArray() {
+			arr := messages.Array()
+			if len(arr) > 0 {
+				lastRole := arr[len(arr)-1].Get("role").String()
+				if lastRole != "" && lastRole != "user" {
+					initiator = "agent"
+				}
+			}
+		}
+	}
+	r.Header.Set("X-Initiator", initiator)
 }
 
 // detectVisionContent checks if the request body contains vision/image content.
@@ -464,6 +481,38 @@ func useGitHubCopilotResponsesEndpoint(sourceFormat sdktranslator.Format) bool {
 	return sourceFormat.String() == "openai-response"
 }
 
+// flattenAssistantContent converts assistant message content from array format
+// to a joined string. GitHub Copilot requires assistant content as a string;
+// sending it as an array causes Claude models to re-answer all previous prompts.
+func flattenAssistantContent(body []byte) []byte {
+	messages := gjson.GetBytes(body, "messages")
+	if !messages.Exists() || !messages.IsArray() {
+		return body
+	}
+	result := body
+	for i, msg := range messages.Array() {
+		if msg.Get("role").String() != "assistant" {
+			continue
+		}
+		content := msg.Get("content")
+		if !content.Exists() || !content.IsArray() {
+			continue
+		}
+		var textParts []string
+		for _, part := range content.Array() {
+			if part.Get("type").String() == "text" {
+				if t := part.Get("text").String(); t != "" {
+					textParts = append(textParts, t)
+				}
+			}
+		}
+		joined := strings.Join(textParts, "")
+		path := fmt.Sprintf("messages.%d.content", i)
+		result, _ = sjson.SetBytes(result, path, joined)
+	}
+	return result
+}
+
 // isHTTPSuccess checks if the status code indicates success (2xx).
 func isHTTPSuccess(statusCode int) bool {
 	return statusCode >= 200 && statusCode < 300

internal/runtime/executor/kimi_executor.go

@@ -20,6 +20,7 @@ import (
 	cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
 	sdktranslator "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator"
 	log "github.com/sirupsen/logrus"
+	"github.com/tidwall/gjson"
 	"github.com/tidwall/sjson"
 )
 
@@ -101,6 +102,10 @@ func (e *KimiExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req
 
 	requestedModel := payloadRequestedModel(opts, req.Model)
 	body = applyPayloadConfigWithRoot(e.cfg, baseModel, to.String(), "", body, originalTranslated, requestedModel)
+	body, err = normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		return resp, err
+	}
 
 	url := kimiauth.KimiAPIBaseURL + "/v1/chat/completions"
 	httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
@@ -201,6 +206,10 @@ func (e *KimiExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Aut
 	}
 	requestedModel := payloadRequestedModel(opts, req.Model)
 	body = applyPayloadConfigWithRoot(e.cfg, baseModel, to.String(), "", body, originalTranslated, requestedModel)
+	body, err = normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		return nil, err
+	}
 
 	url := kimiauth.KimiAPIBaseURL + "/v1/chat/completions"
 	httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
@@ -285,6 +294,150 @@ func (e *KimiExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth,
 	return e.ClaudeExecutor.CountTokens(ctx, auth, req, opts)
 }
 
+func normalizeKimiToolMessageLinks(body []byte) ([]byte, error) {
+	if len(body) == 0 || !gjson.ValidBytes(body) {
+		return body, nil
+	}
+
+	messages := gjson.GetBytes(body, "messages")
+	if !messages.Exists() || !messages.IsArray() {
+		return body, nil
+	}
+
+	out := body
+	pending := make([]string, 0)
+	patched := 0
+	patchedReasoning := 0
+	ambiguous := 0
+	latestReasoning := ""
+	hasLatestReasoning := false
+
+	removePending := func(id string) {
+		for idx := range pending {
+			if pending[idx] != id {
+				continue
+			}
+			pending = append(pending[:idx], pending[idx+1:]...)
+			return
+		}
+	}
+
+	msgs := messages.Array()
+	for msgIdx := range msgs {
+		msg := msgs[msgIdx]
+		role := strings.TrimSpace(msg.Get("role").String())
+		switch role {
+		case "assistant":
+			reasoning := msg.Get("reasoning_content")
+			if reasoning.Exists() {
+				reasoningText := reasoning.String()
+				if strings.TrimSpace(reasoningText) != "" {
+					latestReasoning = reasoningText
+					hasLatestReasoning = true
+				}
+			}
+
+			toolCalls := msg.Get("tool_calls")
+			if !toolCalls.Exists() || !toolCalls.IsArray() || len(toolCalls.Array()) == 0 {
+				continue
+			}
+
+			if !reasoning.Exists() || strings.TrimSpace(reasoning.String()) == "" {
+				reasoningText := fallbackAssistantReasoning(msg, hasLatestReasoning, latestReasoning)
+				path := fmt.Sprintf("messages.%d.reasoning_content", msgIdx)
+				next, err := sjson.SetBytes(out, path, reasoningText)
+				if err != nil {
+					return body, fmt.Errorf("kimi executor: failed to set assistant reasoning_content: %w", err)
+				}
+				out = next
+				patchedReasoning++
+			}
+
+			for _, tc := range toolCalls.Array() {
+				id := strings.TrimSpace(tc.Get("id").String())
+				if id == "" {
+					continue
+				}
+				pending = append(pending, id)
+			}
+		case "tool":
+			toolCallID := strings.TrimSpace(msg.Get("tool_call_id").String())
+			if toolCallID == "" {
+				toolCallID = strings.TrimSpace(msg.Get("call_id").String())
+				if toolCallID != "" {
+					path := fmt.Sprintf("messages.%d.tool_call_id", msgIdx)
+					next, err := sjson.SetBytes(out, path, toolCallID)
+					if err != nil {
+						return body, fmt.Errorf("kimi executor: failed to set tool_call_id from call_id: %w", err)
+					}
+					out = next
+					patched++
+				}
+			}
+			if toolCallID == "" {
+				if len(pending) == 1 {
+					toolCallID = pending[0]
+					path := fmt.Sprintf("messages.%d.tool_call_id", msgIdx)
+					next, err := sjson.SetBytes(out, path, toolCallID)
+					if err != nil {
+						return body, fmt.Errorf("kimi executor: failed to infer tool_call_id: %w", err)
+					}
+					out = next
+					patched++
+				} else if len(pending) > 1 {
+					ambiguous++
+				}
+			}
+			if toolCallID != "" {
+				removePending(toolCallID)
+			}
+		}
+	}
+
+	if patched > 0 || patchedReasoning > 0 {
+		log.WithFields(log.Fields{
+			"patched_tool_messages":      patched,
+			"patched_reasoning_messages": patchedReasoning,
+		}).Debug("kimi executor: normalized tool message fields")
+	}
+	if ambiguous > 0 {
+		log.WithFields(log.Fields{
+			"ambiguous_tool_messages": ambiguous,
+			"pending_tool_calls":      len(pending),
+		}).Warn("kimi executor: tool messages missing tool_call_id with ambiguous candidates")
+	}
+
+	return out, nil
+}
+
+func fallbackAssistantReasoning(msg gjson.Result, hasLatest bool, latest string) string {
+	if hasLatest && strings.TrimSpace(latest) != "" {
+		return latest
+	}
+
+	content := msg.Get("content")
+	if content.Type == gjson.String {
+		if text := strings.TrimSpace(content.String()); text != "" {
+			return text
+		}
+	}
+	if content.IsArray() {
+		parts := make([]string, 0, len(content.Array()))
+		for _, item := range content.Array() {
+			text := strings.TrimSpace(item.Get("text").String())
+			if text == "" {
+				continue
+			}
+			parts = append(parts, text)
+		}
+		if len(parts) > 0 {
+			return strings.Join(parts, "\n")
+		}
+	}
+
+	return "[reasoning unavailable]"
+}
+
 // Refresh refreshes the Kimi token using the refresh token.
 func (e *KimiExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {
 	log.Debugf("kimi executor: refresh called")

internal/runtime/executor/kimi_executor_test.go

@@ -0,0 +1,205 @@
+package executor
+
+import (
+	"testing"
+
+	"github.com/tidwall/gjson"
+)
+
+func TestNormalizeKimiToolMessageLinks_UsesCallIDFallback(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[{"id":"list_directory:1","type":"function","function":{"name":"list_directory","arguments":"{}"}}]},
+			{"role":"tool","call_id":"list_directory:1","content":"[]"}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.1.tool_call_id").String()
+	if got != "list_directory:1" {
+		t.Fatalf("messages.1.tool_call_id = %q, want %q", got, "list_directory:1")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_InferSinglePendingID(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[{"id":"call_123","type":"function","function":{"name":"read_file","arguments":"{}"}}]},
+			{"role":"tool","content":"file-content"}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.1.tool_call_id").String()
+	if got != "call_123" {
+		t.Fatalf("messages.1.tool_call_id = %q, want %q", got, "call_123")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_AmbiguousMissingIDIsNotInferred(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[
+				{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}},
+				{"id":"call_2","type":"function","function":{"name":"read_file","arguments":"{}"}}
+			]},
+			{"role":"tool","content":"result-without-id"}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	if gjson.GetBytes(out, "messages.1.tool_call_id").Exists() {
+		t.Fatalf("messages.1.tool_call_id should be absent for ambiguous case, got %q", gjson.GetBytes(out, "messages.1.tool_call_id").String())
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_PreservesExistingToolCallID(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}]},
+			{"role":"tool","tool_call_id":"call_1","call_id":"different-id","content":"result"}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.1.tool_call_id").String()
+	if got != "call_1" {
+		t.Fatalf("messages.1.tool_call_id = %q, want %q", got, "call_1")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_InheritsPreviousReasoningForAssistantToolCalls(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","content":"plan","reasoning_content":"previous reasoning"},
+			{"role":"assistant","tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}]}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.1.reasoning_content").String()
+	if got != "previous reasoning" {
+		t.Fatalf("messages.1.reasoning_content = %q, want %q", got, "previous reasoning")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_InsertsFallbackReasoningWhenMissing(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}]}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	reasoning := gjson.GetBytes(out, "messages.0.reasoning_content")
+	if !reasoning.Exists() {
+		t.Fatalf("messages.0.reasoning_content should exist")
+	}
+	if reasoning.String() != "[reasoning unavailable]" {
+		t.Fatalf("messages.0.reasoning_content = %q, want %q", reasoning.String(), "[reasoning unavailable]")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_UsesContentAsReasoningFallback(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","content":[{"type":"text","text":"first line"},{"type":"text","text":"second line"}],"tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}]}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.0.reasoning_content").String()
+	if got != "first line\nsecond line" {
+		t.Fatalf("messages.0.reasoning_content = %q, want %q", got, "first line\nsecond line")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_ReplacesEmptyReasoningContent(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","content":"assistant summary","tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}],"reasoning_content":""}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.0.reasoning_content").String()
+	if got != "assistant summary" {
+		t.Fatalf("messages.0.reasoning_content = %q, want %q", got, "assistant summary")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_PreservesExistingAssistantReasoning(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}],"reasoning_content":"keep me"}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	got := gjson.GetBytes(out, "messages.0.reasoning_content").String()
+	if got != "keep me" {
+		t.Fatalf("messages.0.reasoning_content = %q, want %q", got, "keep me")
+	}
+}
+
+func TestNormalizeKimiToolMessageLinks_RepairsIDsAndReasoningTogether(t *testing.T) {
+	body := []byte(`{
+		"messages":[
+			{"role":"assistant","tool_calls":[{"id":"call_1","type":"function","function":{"name":"list_directory","arguments":"{}"}}],"reasoning_content":"r1"},
+			{"role":"tool","call_id":"call_1","content":"[]"},
+			{"role":"assistant","tool_calls":[{"id":"call_2","type":"function","function":{"name":"read_file","arguments":"{}"}}]},
+			{"role":"tool","call_id":"call_2","content":"file"}
+		]
+	}`)
+
+	out, err := normalizeKimiToolMessageLinks(body)
+	if err != nil {
+		t.Fatalf("normalizeKimiToolMessageLinks() error = %v", err)
+	}
+
+	if got := gjson.GetBytes(out, "messages.1.tool_call_id").String(); got != "call_1" {
+		t.Fatalf("messages.1.tool_call_id = %q, want %q", got, "call_1")
+	}
+	if got := gjson.GetBytes(out, "messages.3.tool_call_id").String(); got != "call_2" {
+		t.Fatalf("messages.3.tool_call_id = %q, want %q", got, "call_2")
+	}
+	if got := gjson.GetBytes(out, "messages.2.reasoning_content").String(); got != "r1" {
+		t.Fatalf("messages.2.reasoning_content = %q, want %q", got, "r1")
+	}
+}

internal/translator/openai/openai/responses/openai_openai-responses_request.go

@@ -70,7 +70,7 @@ func ConvertOpenAIResponsesRequestToOpenAIChatCompletions(modelName string, inpu
 				if role == "developer" {
 					role = "user"
 				}
-				message := `{"role":"","content":""}`
+				message := `{"role":"","content":[]}`
 				message, _ = sjson.Set(message, "role", role)
 
 				if content := item.Get("content"); content.Exists() && content.IsArray() {
@@ -84,20 +84,16 @@ func ConvertOpenAIResponsesRequestToOpenAIChatCompletions(modelName string, inpu
 						}
 
 						switch contentType {
-						case "input_text":
+						case "input_text", "output_text":
 							text := contentItem.Get("text").String()
-							if messageContent != "" {
-								messageContent += "\n" + text
-							} else {
-								messageContent = text
-							}
-						case "output_text":
-							text := contentItem.Get("text").String()
-							if messageContent != "" {
-								messageContent += "\n" + text
-							} else {
-								messageContent = text
-							}
+							contentPart := `{"type":"text","text":""}`
+							contentPart, _ = sjson.Set(contentPart, "text", text)
+							message, _ = sjson.SetRaw(message, "content.-1", contentPart)
+						case "input_image":
+							imageURL := contentItem.Get("image_url").String()
+							contentPart := `{"type":"image_url","image_url":{"url":""}}`
+							contentPart, _ = sjson.Set(contentPart, "image_url.url", imageURL)
+							message, _ = sjson.SetRaw(message, "content.-1", contentPart)
 						}
 						return true
 					})