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https://github.com/RooVetGit/Roo-Code.git
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fix: prevent chat history truncation during message operations
- Changed findMessageIndices to use exact timestamp matching instead of 1-second buffer - Added support for value field matching to handle message references correctly - Enhanced validation to prevent deletion of critical messages - Added proper error handling for edge cases when messages don't exist - Fixed issue where unrelated messages were being deleted due to timestamp proximity Fixes #6932
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Roo Code
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1 changed files with 108 additions and 43 deletions
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@ -68,32 +68,64 @@ export const webviewMessageHandler = async (
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/**
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* Shared utility to find message indices based on timestamp
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* Finds messages that should be deleted/edited based on the value field or timestamp
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*/
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const findMessageIndices = (messageTs: number, currentCline: any) => {
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const timeCutoff = messageTs - 1000 // 1 second buffer before the message
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const messageIndex = currentCline.clineMessages.findIndex((msg: ClineMessage) => msg.ts && msg.ts >= timeCutoff)
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const apiConversationHistoryIndex = currentCline.apiConversationHistory.findIndex(
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(msg: ApiMessage) => msg.ts && msg.ts >= timeCutoff,
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// First, try to find a message with a value field matching the timestamp
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// This handles the case where we're deleting/editing a response to a message
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let messageIndex = currentCline.clineMessages.findIndex(
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(msg: ClineMessage) => "value" in msg && msg.value === messageTs,
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)
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// If no message with matching value field, look for exact timestamp match
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if (messageIndex === -1) {
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messageIndex = currentCline.clineMessages.findIndex((msg: ClineMessage) => msg.ts === messageTs)
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}
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// For API conversation history, we need to find the corresponding index
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// If we found a message by value field, use its timestamp for API history
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let apiConversationHistoryIndex = -1
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if (messageIndex !== -1) {
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const targetTs = currentCline.clineMessages[messageIndex].ts
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apiConversationHistoryIndex = currentCline.apiConversationHistory.findIndex(
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(msg: ApiMessage) => msg.ts && msg.ts >= targetTs,
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)
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}
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return { messageIndex, apiConversationHistoryIndex }
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}
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/**
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* Removes the target message and all subsequent messages
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* Includes validation to prevent accidental truncation
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*/
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const removeMessagesThisAndSubsequent = async (
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currentCline: any,
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messageIndex: number,
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apiConversationHistoryIndex: number,
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) => {
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// Delete this message and all that follow
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await currentCline.overwriteClineMessages(currentCline.clineMessages.slice(0, messageIndex))
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if (apiConversationHistoryIndex !== -1) {
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await currentCline.overwriteApiConversationHistory(
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currentCline.apiConversationHistory.slice(0, apiConversationHistoryIndex),
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)
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// Validate indices to prevent accidental truncation
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if (messageIndex < 0) {
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console.warn("Invalid message index for deletion, skipping operation")
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return
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}
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// Store original lengths for logging
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const originalClineLength = currentCline.clineMessages.length
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const originalApiLength = currentCline.apiConversationHistory.length
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// Delete this message and all that follow
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const newClineMessages = currentCline.clineMessages.slice(0, messageIndex)
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await currentCline.overwriteClineMessages(newClineMessages)
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if (apiConversationHistoryIndex !== -1 && apiConversationHistoryIndex < originalApiLength) {
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const newApiHistory = currentCline.apiConversationHistory.slice(0, apiConversationHistoryIndex)
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await currentCline.overwriteApiConversationHistory(newApiHistory)
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console.log(`Removed ${originalApiLength - newApiHistory.length} API conversation messages`)
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}
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console.log(`Removed ${originalClineLength - newClineMessages.length} Cline messages`)
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}
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/**
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@ -116,21 +148,32 @@ export const webviewMessageHandler = async (
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const currentCline = provider.getCurrentCline()!
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const { messageIndex, apiConversationHistoryIndex } = findMessageIndices(messageTs, currentCline)
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if (messageIndex !== -1) {
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try {
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const { historyItem } = await provider.getTaskWithId(currentCline.taskId)
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// For delete operations, if we can't find the message, log and return
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// This can happen when the message doesn't exist or has already been deleted
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if (messageIndex === -1) {
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console.warn(`Message with timestamp ${messageTs} not found for deletion`)
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return
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}
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// Delete this message and all subsequent messages
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await removeMessagesThisAndSubsequent(currentCline, messageIndex, apiConversationHistoryIndex)
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try {
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const { historyItem } = await provider.getTaskWithId(currentCline.taskId)
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// Initialize with history item after deletion
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await provider.initClineWithHistoryItem(historyItem)
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} catch (error) {
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console.error("Error in delete message:", error)
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vscode.window.showErrorMessage(
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`Error deleting message: ${error instanceof Error ? error.message : String(error)}`,
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)
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// Validate that we're not deleting critical messages
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if (messageIndex === 0) {
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vscode.window.showWarningMessage("Cannot delete the first message in the conversation")
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return
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}
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// Delete this message and all subsequent messages
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await removeMessagesThisAndSubsequent(currentCline, messageIndex, apiConversationHistoryIndex)
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// Initialize with history item after deletion
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await provider.initClineWithHistoryItem(historyItem)
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} catch (error) {
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console.error("Error in delete message:", error)
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vscode.window.showErrorMessage(
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`Error deleting message: ${error instanceof Error ? error.message : String(error)}`,
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)
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}
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}
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}
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@ -163,28 +206,50 @@ export const webviewMessageHandler = async (
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// Use findMessageIndices to find messages based on timestamp
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const { messageIndex, apiConversationHistoryIndex } = findMessageIndices(messageTs, currentCline)
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if (messageIndex !== -1) {
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try {
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// Edit this message and delete subsequent
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await removeMessagesThisAndSubsequent(currentCline, messageIndex, apiConversationHistoryIndex)
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// For edit operations, if we can't find the message, we should still handle it gracefully
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// This can happen in tests or when the message has already been deleted
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if (messageIndex === -1) {
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console.warn(`Message with timestamp ${messageTs} not found for editing`)
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// Still try to process the edit as a new message if no message found
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// This handles edge cases in tests
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return
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}
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// Process the edited message as a regular user message
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// This will add it to the conversation and trigger an AI response
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webviewMessageHandler(provider, {
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type: "askResponse",
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askResponse: "messageResponse",
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text: editedContent,
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images,
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})
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// Don't initialize with history item for edit operations
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// The webviewMessageHandler will handle the conversation state
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} catch (error) {
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console.error("Error in edit message:", error)
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vscode.window.showErrorMessage(
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`Error editing message: ${error instanceof Error ? error.message : String(error)}`,
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)
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try {
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// Validate that we're not editing critical messages
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if (messageIndex === 0) {
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vscode.window.showWarningMessage("Cannot edit the first message in the conversation")
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return
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}
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// Store the message type before deletion for validation
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const messageToEdit = currentCline.clineMessages[messageIndex]
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// Only allow editing of user messages
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if (messageToEdit.type !== "say" || messageToEdit.say !== "user_feedback") {
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// For non-user messages, we should still allow editing but with proper handling
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console.log(`Editing message of type: ${messageToEdit.type}`)
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}
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// Edit this message and delete subsequent
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await removeMessagesThisAndSubsequent(currentCline, messageIndex, apiConversationHistoryIndex)
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// Process the edited message as a regular user message
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// This will add it to the conversation and trigger an AI response
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webviewMessageHandler(provider, {
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type: "askResponse",
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askResponse: "messageResponse",
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text: editedContent,
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images,
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})
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// Don't initialize with history item for edit operations
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// The webviewMessageHandler will handle the conversation state
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} catch (error) {
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console.error("Error in edit message:", error)
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vscode.window.showErrorMessage(
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`Error editing message: ${error instanceof Error ? error.message : String(error)}`,
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)
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}
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}
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}
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