Support read image

build/windows/Taskfile.yml

@@ -1,156 +1,159 @@
-version: "3"
-
-includes:
-  common: ../Taskfile.yml
-
-tasks:
-  build:
-    summary: 构建 Windows 程序
-    internal: true
-    cmds:
-      - task: build:native
-        vars:
-          ARCH:
-            ref: .ARCH
-          OUTPUT:
-            ref: .OUTPUT
-          BUILD_FLAGS:
-            ref: .BUILD_FLAGS
-          EXTRA_TAGS:
-            ref: .EXTRA_TAGS
-          DEV:
-            ref: .DEV
-          SCAN:
-            ref: .SCAN
-
-  build:native:
-    summary: 使用 Go 原生交叉编译构建 Windows 程序
-    internal: true
-    deps:
-      - task: common:go:mod:tidy
-      - task: common:build:frontend
-        vars:
-          BUILD_FLAGS:
-            ref: .BUILD_FLAGS
-          DEV:
-            ref: .DEV
-          SCAN:
-            ref: .SCAN
-      - task: common:generate:icons
-    cmds:
-      - task: generate:syso
-        vars:
-          ARCH:
-            ref: .ARCH
-      - go build {{.BUILD_FLAGS}} -o "{{.OUTPUT}}"
-      - cmd: powershell Remove-item *.syso
-        platforms: [windows]
-      - cmd: rm -f *.syso
-        platforms: [darwin, linux]
-    vars:
-      OUTPUT: '{{.OUTPUT | default (printf "%s/%s.exe" .BIN_DIR .APP_NAME)}}'
-      BUILD_FLAGS: '{{if eq .DEV "true"}}{{if .EXTRA_TAGS}}-tags {{.EXTRA_TAGS}} {{end}}-buildvcs=false -gcflags=all="-l" -ldflags="-X cursor/internal/buildinfo.Version={{.APP_VERSION}}"{{else}}-tags production{{if .EXTRA_TAGS}},{{.EXTRA_TAGS}}{{end}} -trimpath -buildvcs=false -ldflags="-w -s -H windowsgui -X cursor/internal/buildinfo.Version={{.APP_VERSION}}"{{end}}'
-    env:
-      GOOS: windows
-      CGO_ENABLED: 0
-      GOARCH: '{{.ARCH | default ARCH}}'
-
-  package:
-    summary: 打包 Windows 安装程序
-    internal: true
-    cmds:
-      - task: '{{if eq (.FORMAT | default "nsis") "msix"}}create:msix:package{{else}}create:nsis:installer{{end}}'
-    vars:
-      FORMAT: '{{.FORMAT | default "nsis"}}'
-
-  generate:syso:
-    summary: 生成 Windows 图标与版本信息资源
-    internal: true
-    dir: build
-    cmds:
-      - wails3 generate syso -arch {{.ARCH}} -icon windows/icon.ico -manifest windows/wails.exe.manifest -info windows/info.json -out ../wails_windows_{{.ARCH}}.syso
-    vars:
-      ARCH: '{{.ARCH | default ARCH}}'
-
-  create:nsis:installer:
-    summary: 生成 NSIS 安装包
-    internal: true
-    dir: build/windows/nsis
-    deps:
-      - task: build
-        vars:
-          SCAN:
-            ref: .SCAN
-    cmds:
-      - wails3 generate webview2bootstrapper -dir "{{.ROOT_DIR}}/build/windows/nsis"
-      - |
-        {{if eq OS "windows"}}
-        makensis -DARG_WAILS_{{.ARG_FLAG}}_BINARY="{{.ROOT_DIR}}\{{.BIN_DIR}}\{{.APP_NAME}}.exe" project.nsi
-        {{else}}
-        makensis -DARG_WAILS_{{.ARG_FLAG}}_BINARY="{{.ROOT_DIR}}/{{.BIN_DIR}}/{{.APP_NAME}}.exe" project.nsi
-        {{end}}
-    vars:
-      ARCH: '{{.ARCH | default ARCH}}'
-      ARG_FLAG: '{{if eq .ARCH "amd64"}}AMD64{{else}}ARM64{{end}}'
-
-  create:msix:package:
-    summary: 生成 MSIX 安装包
-    internal: true
-    deps:
-      - task: build
-        vars:
-          SCAN:
-            ref: .SCAN
-    cmds:
-      - |-
-        wails3 tool msix \
-          --config "{{.ROOT_DIR}}/wails.json" \
-          --name "{{.APP_NAME}}" \
-          --executable "{{.ROOT_DIR}}/{{.BIN_DIR}}/{{.APP_NAME}}.exe" \
-          --arch "{{.ARCH}}" \
-          --out "{{.ROOT_DIR}}/{{.BIN_DIR}}/{{.APP_NAME}}-{{.ARCH}}.msix" \
-          {{if .CERT_PATH}}--cert "{{.CERT_PATH}}"{{end}} \
-          {{if .PUBLISHER}}--publisher "{{.PUBLISHER}}"{{end}} \
-          {{if .USE_MSIX_TOOL}}--use-msix-tool{{else}}--use-makeappx{{end}}
-    vars:
-      ARCH: '{{.ARCH | default ARCH}}'
-      CERT_PATH: '{{.CERT_PATH | default ""}}'
-      PUBLISHER: '{{.PUBLISHER | default ""}}'
-      USE_MSIX_TOOL: '{{.USE_MSIX_TOOL | default "false"}}'
-
-  create:zip:
-    summary: 生成 Windows ZIP 包（包含 exe 与 certs）
-    internal: true
-    vars:
-      ARCH: '{{.ARCH | default ARCH}}'
-      OUTPUT: '{{.OUTPUT | default (printf "%s/%s.exe" .BIN_DIR .APP_NAME)}}'
-      ZIP_NAME: '{{.ZIP_NAME | default (printf "%s-windows-%s.zip" .APP_NAME .ARCH)}}'
-      STAGING_DIR: '{{.BIN_DIR}}/.zip-{{.ARCH}}'
-    cmds:
-      - task: build
-        vars:
-          ARCH:
-            ref: .ARCH
-          OUTPUT:
-            ref: .OUTPUT
-          BUILD_FLAGS:
-            ref: .BUILD_FLAGS
-          EXTRA_TAGS:
-            ref: .EXTRA_TAGS
-          DEV:
-            ref: .DEV
-          SCAN:
-            ref: .SCAN
-      - rm -rf "{{.STAGING_DIR}}"
-      - mkdir -p "{{.STAGING_DIR}}"
-      - cp "{{.OUTPUT}}" "{{.STAGING_DIR}}/"
-      - (cd "{{.STAGING_DIR}}" && zip -qry "../{{.ZIP_NAME}}" .)
-      - rm -rf "{{.STAGING_DIR}}"
-      - rm -f "{{.OUTPUT}}"
-
-  run:
-    summary: 运行 Windows 可执行文件（仅在 Windows 可用）
-    vars:
-      OUTPUT: '{{.OUTPUT | default (printf "%s/%s.exe" .BIN_DIR .APP_NAME)}}'
-    cmds:
-      - '{{.OUTPUT}}'
+version: "3"
+
+includes:
+  common: ../Taskfile.yml
+
+tasks:
+  build:
+    summary: 构建 Windows 程序
+    internal: true
+    cmds:
+      - task: build:native
+        vars:
+          ARCH:
+            ref: .ARCH
+          OUTPUT:
+            ref: .OUTPUT
+          BUILD_FLAGS:
+            ref: .BUILD_FLAGS
+          EXTRA_TAGS:
+            ref: .EXTRA_TAGS
+          DEV:
+            ref: .DEV
+          SCAN:
+            ref: .SCAN
+
+  build:native:
+    summary: 使用 Go 原生交叉编译构建 Windows 程序
+    internal: true
+    deps:
+      - task: common:go:mod:tidy
+      - task: common:build:frontend
+        vars:
+          BUILD_FLAGS:
+            ref: .BUILD_FLAGS
+          DEV:
+            ref: .DEV
+          SCAN:
+            ref: .SCAN
+      - task: common:generate:icons
+    cmds:
+      - task: generate:syso
+        vars:
+          ARCH:
+            ref: .ARCH
+      - go build {{.BUILD_FLAGS}} -o "{{.OUTPUT}}"
+      - cmd: powershell Remove-item *.syso
+        platforms: [windows]
+      - cmd: rm -f *.syso
+        platforms: [darwin, linux]
+    vars:
+      OUTPUT: '{{.OUTPUT | default (printf "%s/%s.exe" .BIN_DIR .APP_NAME)}}'
+      BUILD_FLAGS: '{{if eq .DEV "true"}}{{if .EXTRA_TAGS}}-tags {{.EXTRA_TAGS}} {{end}}-buildvcs=false -gcflags=all="-l" -ldflags="-X cursor/internal/buildinfo.Version={{.APP_VERSION}}"{{else}}-tags production{{if .EXTRA_TAGS}},{{.EXTRA_TAGS}}{{end}} -trimpath -buildvcs=false -ldflags="-w -s -H windowsgui -X cursor/internal/buildinfo.Version={{.APP_VERSION}}"{{end}}'
+    env:
+      GOOS: windows
+      CGO_ENABLED: 0
+      GOARCH: '{{.ARCH | default ARCH}}'
+
+  package:
+    summary: 打包 Windows 安装程序
+    internal: true
+    cmds:
+      - task: '{{if eq (.FORMAT | default "nsis") "msix"}}create:msix:package{{else}}create:nsis:installer{{end}}'
+    vars:
+      FORMAT: '{{.FORMAT | default "nsis"}}'
+
+  generate:syso:
+    summary: 生成 Windows 图标与版本信息资源
+    internal: true
+    dir: build
+    cmds:
+      - wails3 generate syso -arch {{.ARCH}} -icon windows/icon.ico -manifest windows/wails.exe.manifest -info windows/info.json -out ../wails_windows_{{.ARCH}}.syso
+    vars:
+      ARCH: '{{.ARCH | default ARCH}}'
+
+  create:nsis:installer:
+    summary: 生成 NSIS 安装包
+    internal: true
+    dir: build/windows/nsis
+    deps:
+      - task: build
+        vars:
+          SCAN:
+            ref: .SCAN
+    cmds:
+      - wails3 generate webview2bootstrapper -dir "{{.ROOT_DIR}}/build/windows/nsis"
+      - |
+        {{if eq OS "windows"}}
+        makensis -DARG_WAILS_{{.ARG_FLAG}}_BINARY="{{.ROOT_DIR}}\{{.BIN_DIR}}\{{.APP_NAME}}.exe" project.nsi
+        {{else}}
+        makensis -DARG_WAILS_{{.ARG_FLAG}}_BINARY="{{.ROOT_DIR}}/{{.BIN_DIR}}/{{.APP_NAME}}.exe" project.nsi
+        {{end}}
+    vars:
+      ARCH: '{{.ARCH | default ARCH}}'
+      ARG_FLAG: '{{if eq .ARCH "amd64"}}AMD64{{else}}ARM64{{end}}'
+
+  create:msix:package:
+    summary: 生成 MSIX 安装包
+    internal: true
+    deps:
+      - task: build
+        vars:
+          SCAN:
+            ref: .SCAN
+    cmds:
+      - |-
+        wails3 tool msix \
+          --config "{{.ROOT_DIR}}/wails.json" \
+          --name "{{.APP_NAME}}" \
+          --executable "{{.ROOT_DIR}}/{{.BIN_DIR}}/{{.APP_NAME}}.exe" \
+          --arch "{{.ARCH}}" \
+          --out "{{.ROOT_DIR}}/{{.BIN_DIR}}/{{.APP_NAME}}-{{.ARCH}}.msix" \
+          {{if .CERT_PATH}}--cert "{{.CERT_PATH}}"{{end}} \
+          {{if .PUBLISHER}}--publisher "{{.PUBLISHER}}"{{end}} \
+          {{if .USE_MSIX_TOOL}}--use-msix-tool{{else}}--use-makeappx{{end}}
+    vars:
+      ARCH: '{{.ARCH | default ARCH}}'
+      CERT_PATH: '{{.CERT_PATH | default ""}}'
+      PUBLISHER: '{{.PUBLISHER | default ""}}'
+      USE_MSIX_TOOL: '{{.USE_MSIX_TOOL | default "false"}}'
+
+  create:zip:
+    summary: 生成 Windows ZIP 包（包含 exe）
+    internal: true
+    vars:
+      ARCH: '{{.ARCH | default ARCH}}'
+      OUTPUT: '{{.OUTPUT | default (printf "%s/%s.exe" .BIN_DIR .APP_NAME)}}'
+      ZIP_NAME: '{{.ZIP_NAME | default (printf "%s-windows-%s.zip" .APP_NAME .ARCH)}}'
+      STAGING_DIR: '{{.BIN_DIR}}/.zip-{{.ARCH}}'
+    cmds:
+      - task: build
+        vars:
+          ARCH:
+            ref: .ARCH
+          OUTPUT:
+            ref: .OUTPUT
+          BUILD_FLAGS:
+            ref: .BUILD_FLAGS
+          EXTRA_TAGS:
+            ref: .EXTRA_TAGS
+          DEV:
+            ref: .DEV
+          SCAN:
+            ref: .SCAN
+      - rm -rf "{{.STAGING_DIR}}"
+      - mkdir -p "{{.STAGING_DIR}}"
+      - cp "{{.OUTPUT}}" "{{.STAGING_DIR}}/"
+      - cmd: powershell -NoProfile -Command "Compress-Archive -Path '{{.STAGING_DIR}}/*' -DestinationPath '{{.BIN_DIR}}/{{.ZIP_NAME}}' -Force"
+        platforms: [windows]
+      - cmd: (cd "{{.STAGING_DIR}}" && zip -qry "../{{.ZIP_NAME}}" .)
+        platforms: [darwin, linux]
+      - rm -rf "{{.STAGING_DIR}}"
+      - rm -f "{{.OUTPUT}}"
+
+  run:
+    summary: 运行 Windows 可执行文件（仅在 Windows 可用）
+    vars:
+      OUTPUT: '{{.OUTPUT | default (printf "%s/%s.exe" .BIN_DIR .APP_NAME)}}'
+    cmds:
+      - '{{.OUTPUT}}'

frontend/src/i18n/generated/catalog.json

@@ -19,8 +19,8 @@
       "refs": [
         {
           "file": "src/views/ModelConfig.vue",
-          "line": 256,
-          "column": 1
+          "line": 255,
+          "column": 165
         }
       ]
     },
@@ -137,8 +137,8 @@
       "refs": [
         {
           "file": "src/views/Config.vue",
-          "line": 54,
-          "column": 1
+          "line": 53,
+          "column": 48
         }
       ]
     },
@@ -173,8 +173,8 @@
       "refs": [
         {
           "file": "src/components/HomeMetricsCard.vue",
-          "line": 338,
-          "column": 1
+          "line": 337,
+          "column": 65
         }
       ]
     },
@@ -400,8 +400,8 @@
       "refs": [
         {
           "file": "src/views/Config.vue",
-          "line": 68,
-          "column": 1
+          "line": 67,
+          "column": 48
         }
       ]
     },
@@ -541,8 +541,8 @@
       "refs": [
         {
           "file": "src/components/ModelAdapterTestCard.vue",
-          "line": 151,
-          "column": 1
+          "line": 150,
+          "column": 7
         }
       ]
     },
@@ -589,8 +589,8 @@
       "refs": [
         {
           "file": "src/components/ModelAdapterTestCard.vue",
-          "line": 130,
-          "column": 1
+          "line": 129,
+          "column": 60
         }
       ]
     },
@@ -698,8 +698,8 @@
         },
         {
           "file": "src/components/CursorAccountCard.vue",
-          "line": 164,
-          "column": 1
+          "line": 163,
+          "column": 11
         }
       ]
     },
@@ -948,8 +948,8 @@
       "refs": [
         {
           "file": "src/components/ModelAdapterTestCard.vue",
-          "line": 125,
-          "column": 1
+          "line": 124,
+          "column": 9
         }
       ]
     },
@@ -1569,8 +1569,8 @@
       "refs": [
         {
           "file": "src/components/HomeMetricsCard.vue",
-          "line": 390,
-          "column": 1
+          "line": 389,
+          "column": 65
         }
       ]
     },
@@ -1822,8 +1822,8 @@
       "refs": [
         {
           "file": "src/components/HomeMetricsCard.vue",
-          "line": 342,
-          "column": 1
+          "line": 341,
+          "column": 23
         }
       ]
     },
@@ -1995,8 +1995,8 @@
       "refs": [
         {
           "file": "src/views/ModelEditor.vue",
-          "line": 449,
-          "column": 1
+          "line": 448,
+          "column": 97
         }
       ]
     },
@@ -2772,8 +2772,8 @@
       "refs": [
         {
           "file": "src/components/CursorAccountCard.vue",
-          "line": 146,
-          "column": 1
+          "line": 145,
+          "column": 53
         }
       ]
     },
@@ -2905,8 +2905,8 @@
       "refs": [
         {
           "file": "src/views/Config.vue",
-          "line": 80,
-          "column": 1
+          "line": 79,
+          "column": 48
         }
       ]
     },
@@ -2982,8 +2982,8 @@
       "refs": [
         {
           "file": "src/components/CursorAccountCard.vue",
-          "line": 149,
-          "column": 1
+          "line": 148,
+          "column": 81
         }
       ]
     },

internal/backend/agent/bridge/exec/bridge.go

@@ -4,6 +4,7 @@ package execbridge
 import (
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"strings"
 	"sync/atomic"
 	"time"
@@ -2285,6 +2286,18 @@ func buildReadMcpResourceCompletedToolCall(argsJSON []byte, result *agentv1.Read
 	}
 }
 
+func isSupportedReadImage(data []byte) bool {
+	if len(data) == 0 {
+		return false
+	}
+	switch strings.ToLower(strings.TrimSpace(http.DetectContentType(data))) {
+	case "image/png", "image/jpeg", "image/gif", "image/webp":
+		return true
+	default:
+		return false
+	}
+}
+
 // convertReadResultToReadToolResult 把 `ReadResult` 映射为 `ReadToolResult`。
 func convertReadResultToReadToolResult(result *agentv1.ReadResult) *agentv1.ReadToolResult {
 	if result == nil {
@@ -2318,7 +2331,9 @@ func convertReadResultToReadToolResult(result *agentv1.ReadResult) *agentv1.Read
 		if content != "" {
 			toolSuccess.Output = &agentv1.ReadToolSuccess_Content{Content: content}
 		} else if len(data) > 0 {
-			if len(data) > readReplayBinaryLimit {
+			if isSupportedReadImage(data) {
+				toolSuccess.Output = &agentv1.ReadToolSuccess_Data{Data: append([]byte(nil), data...)}
+			} else if len(data) > readReplayBinaryLimit {
 				toolSuccess.ExceededLimit = true
 				toolSuccess.Output = &agentv1.ReadToolSuccess_Content{
 					Content: replayTruncationNotice("Read binary data", readReplayBinaryLimit, 0, len(data)),

internal/backend/agent/model/anthropic.go

@@ -1126,7 +1126,16 @@ func isAnthropicCacheableBlock(block map[string]any) bool {
 	case contentPartTypeText:
 		return strings.TrimSpace(anthropicStringField(block, "text")) != ""
 	case "tool_result":
-		return strings.TrimSpace(anthropicStringField(block, "content")) != ""
+		switch content := block["content"].(type) {
+		case string:
+			return strings.TrimSpace(content) != ""
+		case []map[string]any:
+			return len(content) > 0
+		case []any:
+			return len(content) > 0
+		default:
+			return false
+		}
 	case "tool_use":
 		return strings.TrimSpace(anthropicStringField(block, "id")) != "" && strings.TrimSpace(anthropicStringField(block, "name")) != ""
 	default:
@@ -1168,10 +1177,18 @@ func normalizeAnthropicProviderMessages(input []Message, thinkingEnabled bool, r
 			if toolUseID == "" {
 				return nil, nil, fmt.Errorf("anthropic tool message requires tool_call_id")
 			}
+			var content any = message.Content
+			if hasImageContentParts(message.ContentParts) {
+				contentBlocks, err := anthropicContentBlocks(message)
+				if err != nil {
+					return nil, nil, err
+				}
+				content = contentBlocks
+			}
 			pendingToolResults = append(pendingToolResults, map[string]any{
 				"type":        "tool_result",
 				"tool_use_id": toolUseID,
-				"content":     message.Content,
+				"content":     content,
 			})
 		case "user", "assistant":
 			flushToolResults()

internal/backend/agent/model/openai.go

@@ -1967,10 +1967,18 @@ func normalizeOpenAIResponsesInput(messages []Message) (string, []map[string]any
 		}
 		if role == "tool" && strings.TrimSpace(message.ToolCallID) != "" {
 			callID := openAIResponsesToolMessageCallID(message, responsesCallIDs)
+			var output any = openAIResponsesMessageText(message)
+			if hasImageContentParts(message.ContentParts) {
+				content, err := openAIResponsesMessageContent(message, false)
+				if err != nil {
+					return "", nil, err
+				}
+				output = content
+			}
 			items = append(items, map[string]any{
 				"type":    "function_call_output",
 				"call_id": callID,
-				"output":  openAIResponsesMessageText(message),
+				"output":  output,
 			})
 			activeAssistantReasoningKey = ""
 			continue

internal/backend/forwarder/projector.go

@@ -5,6 +5,7 @@ import (
 	"crypto/sha256"
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"strings"
 
 	"google.golang.org/protobuf/encoding/protojson"
@@ -215,6 +216,7 @@ func (projector *HistoryProjector) ProjectPromptReplay(conversation *Conversatio
 					if ok {
 						replayMessage.Name = toolName
 						replayMessage.Content = limitProjectedToolResultReplay(toolName, replayMessage.Content, payload.ResultText, true, historicalToolResult)
+						attachReadImageContentParts(&replayMessage, toolCall)
 						messages = append(messages, toModelMessage(replayMessage))
 						continue
 					}
@@ -249,12 +251,13 @@ func (projector *HistoryProjector) ProjectPromptReplay(conversation *Conversatio
 					replayMessages[index].OpenAIResponsesReasoningSummary = append(json.RawMessage(nil), payload.ReasoningSummary...)
 					applyPromptProviderMetadataToFirstToolCall(&replayMessages[index], payload.ProviderItemID, payload.ProviderCallID, payload.ProviderStatus)
 				}
-				for _, replay := range replayMessages {
-					if strings.TrimSpace(replay.Role) == "tool" {
-						toolName := firstNonEmpty(strings.TrimSpace(replay.Name), strings.TrimSpace(payload.ToolName))
-						replay.Content = limitProjectedToolResultReplay(toolName, replay.Content, payload.ResultText, true, historicalToolResult)
+				for index := range replayMessages {
+					if strings.TrimSpace(replayMessages[index].Role) == "tool" {
+						toolName := firstNonEmpty(strings.TrimSpace(replayMessages[index].Name), strings.TrimSpace(payload.ToolName))
+						replayMessages[index].Content = limitProjectedToolResultReplay(toolName, replayMessages[index].Content, payload.ResultText, true, historicalToolResult)
+						attachReadImageContentParts(&replayMessages[index], toolCall)
 					}
-					messages = append(messages, toModelMessage(replay))
+					messages = append(messages, toModelMessage(replayMessages[index]))
 				}
 				continue
 			}
@@ -305,6 +308,58 @@ func (projector *HistoryProjector) ProjectPromptReplay(conversation *Conversatio
 	return normalizeReplayMessageSequence(messages), nil
 }
 
+func attachReadImageContentParts(message *promptengine.Message, toolCall *agentv1.ToolCall) {
+	if message == nil || toolCall == nil || strings.TrimSpace(message.Role) != "tool" {
+		return
+	}
+	readToolCall := toolCall.GetReadToolCall()
+	if readToolCall == nil {
+		return
+	}
+	success := readToolCall.GetResult().GetSuccess()
+	if success == nil {
+		return
+	}
+	data := success.GetData()
+	mimeType := supportedReadImageMIMEType(data)
+	if mimeType == "" {
+		return
+	}
+	path := firstNonEmpty(strings.TrimSpace(success.GetPath()), strings.TrimSpace(readToolCall.GetArgs().GetPath()))
+	summary := fmt.Sprintf("read image path=%q mime=%s bytes=%d", path, mimeType, len(data))
+	if fileSize := success.GetFileSize(); fileSize > 0 && uint64(fileSize) != uint64(len(data)) {
+		summary += fmt.Sprintf(" file_size=%d", fileSize)
+	}
+	if success.GetExceededLimit() {
+		summary += " truncated=true"
+	}
+	message.Content = summary
+	message.ContentParts = []promptengine.ContentPart{
+		{Type: "text", Text: summary},
+		{
+			Type: "image",
+			Image: &promptengine.ImageContent{
+				MIMEType: mimeType,
+				Path:     path,
+				Data:     append([]byte(nil), data...),
+			},
+		},
+	}
+}
+
+func supportedReadImageMIMEType(data []byte) string {
+	if len(data) == 0 {
+		return ""
+	}
+	mimeType := strings.ToLower(strings.TrimSpace(http.DetectContentType(data)))
+	switch mimeType {
+	case "image/png", "image/jpeg", "image/gif", "image/webp":
+		return mimeType
+	default:
+		return ""
+	}
+}
+
 func compactedPromptProjectionEntries(entries []HistoryEntry) []HistoryEntry {
 	if len(entries) == 0 {
 		return nil