# 61 - Router Tool Interceptor

**Date:** 2025-12-01
**Task:** TASK-039-6
**Type:** Feature

## Summary

Implemented LLM tool call interception for router processing.

## Changes

### Added
- `server/router/application/interceptor/tool_interceptor.py` - ToolInterceptor class
- `tests/unit/router/application/test_tool_interceptor.py` - 24 unit tests

### Features
- Capture all incoming tool calls from LLM
- Maintain call history with configurable max size
- Session management for grouping related calls
- Query methods (get_last_call, get_calls_by_tool, get_calls_since)
- Timestamps for all intercepted calls

## Tests

- 24 new tests for ToolInterceptor
