Cline exhausts context window on src/core/task/index.ts (≈4 000 LOC) #3095

// …excerpt showing first overflow message …
ClineError: context_window_overflow (needed: 4 286 KB, available: 1 024 KB)
    at presentAssistantMessage (task/index.ts:2 977:13)
// …additional stack frames…





### Relevant API REQUEST output

> ```shell
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				// Assign correct oneof payload based on internal type
				if (msg.type === "ask" && msg.ask) {
					protoMsg.ask_type = msg.ask; // Map internal ask string to proto enum (assuming direct mapping)
					// Add specific payload assignments here if needed based on msg.ask value
				} else if (msg.type === "say" && msg.say) {
					protoMsg.say_type = msg.say; // Map internal say string to proto enum (assuming direct mapping)
					// Add specific payload assignments here if needed based on msg.say value
					// Example for SAY_API_REQ_INFO:
					// if (msg.say === "api_req_started" || msg.say === "api_req_finished" || msg.say === "api_req_retried") {
=======
				// Assign correct oneof payload based on internal type
				if (msg.type === "ask" && msg.ask) {
					// Map internal ask string to proto enum (assuming direct mapping - requires enum keys match string values)
					const askTypeEnumKey = msg.ask.toUpperCase() as keyof typeof ClineAskType;
					protoMsg.ask_type = ClineAskType[askTypeEnumKey] || ClineAskType.CLINE_ASK_TYPE_UNSPECIFIED;
					// Add specific payload assignments here if needed based on msg.ask value
				} else if (msg.type === "say" && msg.say) {
					// Map internal say string to proto enum (assuming direct mapping - requires enum keys match string values)
					const sayTypeEnumKey = msg.say.toUpperCase() as keyof typeof ClineSayType;
					protoMsg.say_type = ClineSayType[sayTypeEnumKey] || ClineSayType.CLINE_SAY_TYPE_UNSPECIFIED;
					// Add specific payload assignments here if needed based on msg.say value
					// Example for SAY_API_REQ_INFO:
					// if (msg.say === "api_req_started" || msg.say === "api_req_finished" || msg.say === "api_req_retried") {
>>>>>>> REPLACE

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					tokens_in: item.tokensIn,
					tokens_out: item.tokensOut,
					cache_writes: item.cacheWrites,
					cache_reads: item.cacheReads,
					total_cost: item.totalCost,
					size: item.size,
					shadow_git_config_work_tree: item.shadowGitConfigWorkTree,
					conversation_history_deleted_range: item.conversationHistoryDeletedRange
						? { start_index: item.conversationHistoryDeletedRange.start, end_index: item.conversationHistoryDeletedRange.end } // Map to proto structure
						: undefined,
				};
				return historyItemProto;
			});

			// Construct the STATE message payload conforming to ExtensionState proto definition
			const statePayload: ExtensionState = { // Construct the payload object first
				api_configuration: allState.apiConfiguration, // Ensure snake_case matches proto
				auto_approval_settings: allState.autoApprovalSettings, // Ensure snake_case matches proto
				browser_settings: allState.browserSettings, // Ensure snake_case matches proto
				// remote_browser_host: allState.remoteBrowserHost, // Check if this exists in allState and proto
				chat_settings: allState.chatSettings, // Ensure snake_case matches proto
				checkpoint_tracker_error_message: this.checkpointTrackerErrorMessage, // Ensure snake_case matches proto
				cline_messages: protoClineMessages, // Use correctly mapped proto type
				current_task_item: protoTaskHistory.find((item) => item.id === this.taskId), // Ensure snake_case matches proto
				custom_instructions: allState.customInstructions, // Ensure snake_case matches proto
				mcp_marketplace_enabled: allState.mcpMarketplaceEnabled, // Ensure snake_case matches proto
				plan_act_separate_models_setting: allState.planActSeparateModelsSetting, // Ensure snake_case matches proto
=======
					// Use snake_case names directly as expected by the proto definition
					tokens_in: item.tokensIn || 0,
					tokens_out: item.tokensOut || 0,
					cache_writes: item.cacheWrites, // Keep optional
					cache_reads: item.cacheReads,   // Keep optional
					total_cost: item.totalCost || 0, // Ensure number/double
					size: item.size,               // Keep optional
					shadow_git_config_work_tree: item.shadowGitConfigWorkTree, // Keep optional
					conversation_history_deleted_range: item.conversationHistoryDeletedRange // Keep internal object format
						? { start_index: item.conversationHistoryDeletedRange.start, end_index: item.conversationHistoryDeletedRange.end }
						: undefined,
				};
				return historyItemProto;
			});

			// Construct the STATE message payload conforming to ExtensionState proto definition (using snake_case)
			const statePayload: ExtensionState = { // Construct the payload object first
				api_configuration: allState.apiConfiguration,
				auto_approval_settings: allState.autoApprovalSettings,
				browser_settings: allState.browserSettings,
				// remote_browser_host: allState.remoteBrowserHost, // Check if this exists
				chat_settings: allState.chatSettings,
				checkpoint_tracker_error_message: this.checkpointTrackerErrorMessage,
				cline_messages: protoClineMessages, // Use correctly mapped proto type
				current_task_item: protoTaskHistory.find((item) => item.id === this.taskId),
				custom_instructions: allState.customInstructions,
				mcp_marketplace_enabled: allState.mcpMarketplaceEnabled,
				plan_act_separate_models_setting: allState.planActSeparateModelsSetting,
>>>>>>> REPLACE

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				// Map internal ask/say strings to correct proto enums
				ask_type: lastMessage.ask ? ClineAskType[lastMessage.ask as keyof typeof ClineAskType] : undefined,
				say_type: lastMessage.say ? ClineSayType[lastMessage.say as keyof typeof ClineSayType] : undefined,
				text: lastMessage.text,
				images: lastMessage.images || [], // Ensure array
				partial: lastMessage.partial || false, // Ensure boolean
				conversationHistoryIndex: lastMessage.conversationHistoryIndex || 0, // Ensure number
				conversationHistoryDeletedRange: lastMessage.conversationHistoryDeletedRange, // Assumed object format
				lastCheckpointHash: lastMessage.lastCheckpointHash,
				isCheckpointCheckedOut: lastMessage.isCheckpointCheckedOut || false, // Ensure boolean
			}
			// Construct the PARTIAL_MESSAGE ExtensionMessage correctly
			const partialExtensionMessage: ExtensionMessage = {
				type: ExtensionMessageType.PARTIAL_MESSAGE,
				partialMessage:

Diff Edit Mismatch
The model used search patterns that don't match anything in the file. Retrying...