Use special error type for when cline tries to access clineignore'd file

src/core/Cline.ts

@@ -1594,7 +1594,8 @@ export class Cline {
 
 						const accessAllowed = this.llmFileAccessController.validateAccess(relPath)
 						if (!accessAllowed) {
-							await handleError("writing file", new Error(`Access denied: ${relPath} (blocked by .clineignore)`))
+							await this.say("clineignore_error", relPath)
+							pushToolResult(formatResponse.clineIgnoreError(relPath))
 							break
 						}
 
@@ -1870,10 +1871,8 @@ export class Cline {
 
 								const accessAllowed = this.llmFileAccessController.validateAccess(relPath)
 								if (!accessAllowed) {
-									await handleError(
-										"reading file",
-										new Error(`Access denied: ${relPath} (blocked by .clineignore)`),
-									)
+									await this.say("clineignore_error", relPath)
+									pushToolResult(formatResponse.clineIgnoreError(relPath))
 									break
 								}
 

src/core/prompts/responses.ts

@@ -11,6 +11,9 @@ export const formatResponse = {
 
 	toolError: (error?: string) => `The tool execution failed with the following error:\n<error>\n${error}\n</error>`,
 
+	clineIgnoreError: (path: string) =>
+		`Access to ${path} is blocked by the .clineignore file settings. You must try to continue in the task without using this file, or ask the user to update the .clineignore file.`,
+
 	noToolsUsed: () =>
 		`[ERROR] You did not use a tool in your previous response! Please retry with a tool use.
 

src/shared/ExtensionMessage.ts

@@ -121,6 +121,7 @@ export type ClineSay =
 	| "use_mcp_server"
 	| "diff_error"
 	| "deleted_api_reqs"
+	| "clineignore_error"
 
 export interface ClineSayTool {
 	tool:

webview-ui/src/components/chat/ChatRow.tsx

@@ -989,6 +989,47 @@ export const ChatRowContent = ({ message, isExpanded, onToggleExpand, lastModifi
 							</div>
 						</>
 					)
+				case "clineignore_error":
+					return (
+						<>
+							<div
+								style={{
+									display: "flex",
+									flexDirection: "column",
+									backgroundColor: "rgba(255, 191, 0, 0.1)",
+									padding: 8,
+									borderRadius: 3,
+									fontSize: 12,
+								}}>
+								<div
+									style={{
+										display: "flex",
+										alignItems: "center",
+										marginBottom: 4,
+									}}>
+									<i
+										className="codicon codicon-error"
+										style={{
+											marginRight: 8,
+											fontSize: 18,
+											color: "#FFA500",
+										}}></i>
+									<span
+										style={{
+											fontWeight: 500,
+											color: "#FFA500",
+										}}>
+										Access Denied
+									</span>
+								</div>
+								<div>
+									Cline tried to access <code>{message.text}</code> which is blocked by the{" "}
+									<code>.clineignore</code>
+									file settings.
+								</div>
+							</div>
+						</>
+					)
 				case "completion_result":
 					const hasChanges = message.text?.endsWith(COMPLETION_RESULT_CHANGES_FLAG) ?? false
 					const text = hasChanges ? message.text?.slice(0, -COMPLETION_RESULT_CHANGES_FLAG.length) : message.text