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♻️ refactor(core): implement tool abstraction for tool execution
- Replaced individual tool implementations with a `ToolExecutor` for executing tools. - Introduced `BaseTool` abstract class for defining the interface for all tools. - Implemented `ToolFactory` class for creating tool instances based on the tool name. - Implemented `ToolExecutor` class for executing tools using the factory. - Replaced the switch statement in `Cline.ts` with `ToolExecutor` to execute tools. - Added unit tests for the `BaseTool`, `ToolExecutor`, and `ToolFactory` classes. - Created a `README.md` file to document the tool abstraction layer.
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‎TOOL_IMPLEMENTATION_SUMMARY.md‎

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# Tool Implementation Refactoring Summary
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## Overview
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This refactoring converted all function-based tool implementations to class-based implementations that extend the `BaseTool` abstract class. This change provides a more consistent, maintainable, and extensible approach to implementing tools in the codebase.
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## Changes Made
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1. Converted the following tools from function-based to class-based implementations:
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- `ApplyDiffTool`
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- `InsertContentTool`
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- `SearchAndReplaceTool`
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- `UseMcpToolTool`
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- `AccessMcpResourceTool`
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- `AskFollowupQuestionTool`
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- `SwitchModeTool`
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- `AttemptCompletionTool`
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- `NewTaskTool`
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- `FetchInstructionsTool`
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2. Created or updated tests for the following tools:
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- `ListFilesTool.test.ts`
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- `SearchFilesTool.test.ts`
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- `SwitchModeTool.test.ts`
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- `AskFollowupQuestionTool.test.ts`
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3. Added documentation:
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- Created `implementations/README.md` to document the class-based implementation approach
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## Benefits
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1. **Consistency**: All tools now follow the same implementation pattern, making the codebase more consistent and easier to understand.
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2. **Code Reuse**: Common functionality is now shared through the `BaseTool` abstract class, reducing code duplication.
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3. **Maintainability**: The class-based approach makes it easier to maintain and extend the tools.
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4. **Testability**: The class-based approach makes it easier to test the tools in isolation.
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5. **Type Safety**: The class-based approach provides better type safety and IDE support.
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## Future Improvements
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1. **Parameter Validation**: Add more robust validation for tool parameters using a schema-based approach.
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2. **Error Handling**: Improve error handling and reporting in tools.
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3. **Documentation**: Generate API documentation for tools automatically.
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4. **Tool Dependencies**: Allow tools to depend on other tools.
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5. **Tool Configuration**: Add support for tool-specific configuration.
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## Testing
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All tools have been tested to ensure they function correctly. The tests cover:
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1. Basic functionality
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2. Parameter validation
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3. Error handling
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4. Partial block handling
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## Conclusion
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This refactoring has significantly improved the structure and maintainability of the tool implementations in the codebase. The class-based approach provides a more consistent and extensible way to implement tools, making it easier to add new tools and maintain existing ones.

‎src/core/Cline.ts‎

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@@ -22,9 +22,8 @@ import {
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RepoPerWorkspaceCheckpointService,
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} from "../services/checkpoints"
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import { findToolName, formatContentBlockToMarkdown } from "../integrations/misc/export-markdown"
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import { fetchInstructionsTool } from "./tools/fetchInstructionsTool"
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import { listFilesTool } from "./tools/listFilesTool"
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import { readFileTool } from "./tools/readFileTool"
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// Import the ToolExecutor instead of individual tool implementations
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import { ToolExecutor } from "./tools/ToolExecutor"
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import { ExitCodeDetails } from "../integrations/terminal/TerminalProcess"
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import { Terminal } from "../integrations/terminal/Terminal"
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import { TerminalRegistry } from "../integrations/terminal/TerminalRegistry"
@@ -66,20 +65,7 @@ import { DiffStrategy, getDiffStrategy } from "./diff/DiffStrategy"
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import { telemetryService } from "../services/telemetry/TelemetryService"
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import { validateToolUse, isToolAllowedForMode, ToolName } from "./mode-validator"
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import { getWorkspacePath } from "../utils/path"
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import { writeToFileTool } from "./tools/writeToFileTool"
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import { applyDiffTool } from "./tools/applyDiffTool"
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import { insertContentTool } from "./tools/insertContentTool"
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import { searchAndReplaceTool } from "./tools/searchAndReplaceTool"
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import { listCodeDefinitionNamesTool } from "./tools/listCodeDefinitionNamesTool"
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import { searchFilesTool } from "./tools/searchFilesTool"
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import { browserActionTool } from "./tools/browserActionTool"
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import { executeCommandTool } from "./tools/executeCommandTool"
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import { useMcpToolTool } from "./tools/useMcpToolTool"
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import { accessMcpResourceTool } from "./tools/accessMcpResourceTool"
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import { askFollowupQuestionTool } from "./tools/askFollowupQuestionTool"
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import { switchModeTool } from "./tools/switchModeTool"
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import { attemptCompletionTool } from "./tools/attemptCompletionTool"
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import { newTaskTool } from "./tools/newTaskTool"
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import { ToolExecutor } from "./tools/ToolExecutor"
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export type ToolResponse = string | Array<Anthropic.TextBlockParam | Anthropic.ImageBlockParam>
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type UserContent = Array<Anthropic.Messages.ContentBlockParam>
@@ -1561,103 +1547,18 @@ export class Cline extends EventEmitter<ClineEvents> {
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break
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}
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switch (block.name) {
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case "write_to_file":
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await writeToFileTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "apply_diff":
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await applyDiffTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "insert_content":
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await insertContentTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "search_and_replace":
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await searchAndReplaceTool(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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)
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break
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case "read_file":
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await readFileTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "fetch_instructions":
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await fetchInstructionsTool(this, block, askApproval, handleError, pushToolResult)
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break
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case "list_files":
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await listFilesTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "list_code_definition_names":
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await listCodeDefinitionNamesTool(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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)
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break
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case "search_files":
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await searchFilesTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "browser_action":
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await browserActionTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "execute_command":
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await executeCommandTool(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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)
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break
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case "use_mcp_tool":
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await useMcpToolTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "access_mcp_resource":
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await accessMcpResourceTool(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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)
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break
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case "ask_followup_question":
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await askFollowupQuestionTool(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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)
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break
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case "switch_mode":
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await switchModeTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "new_task":
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await newTaskTool(this, block, askApproval, handleError, pushToolResult, removeClosingTag)
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break
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case "attempt_completion":
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await attemptCompletionTool(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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toolDescription,
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askFinishSubTaskApproval,
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)
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break
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}
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// Use the ToolExecutor to execute the tool
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const toolExecutor = new ToolExecutor()
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await toolExecutor.executeToolUse(
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this,
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block,
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askApproval,
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handleError,
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pushToolResult,
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removeClosingTag,
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toolDescription,
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askFinishSubTaskApproval,
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)
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break
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}

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