* refactor(tools): implement strict cohesive class coordinator pattern per #2917
* test: update edit_file tests to use EditFileTool class
* fix(tools): restore tool_policy param and security backstop in coordinator
* refactor(tools): migrate domain tools to agent_tools package per #2917
* test: update test imports for new agent_tools package
* fix: resolve circular import between tool_execution and agent_tools
* fix: remove leftover git conflict markers
* fix(tools): resolve pytest failure and document _apply method
* fix(tools): clean up whitespace and remove dead _tool_python helper
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Co-authored-by: Alexandre Teixeira <111787685+alteixeira20@users.noreply.github.com>
Maanas