Intent of reducer.ts ×1

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 3 tests
- platform/ 3 tests
  - agentHost/ 3 tests
    
    test/ 3 tests
    
    node/ 3 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentHostToolCallTelemetry.test|title=AgentSideEffects — tool call telemetry does not emit after a client tool completes or its turn is cancelled|occurrence=1 Inherited agentHostToolCallTelemetry.test|title=AgentSideEffects — tool call telemetry does not emit after a client tool completes or its turn is cancelled|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentHostToolCallTelemetry.test|title=AgentSideEffects — tool call telemetry drops an in-flight tool call when the turn is cancelled before completion|occurrence=1 Inherited agentHostToolCallTelemetry.test|title=AgentSideEffects — tool call telemetry drops an in-flight tool call when the turn is cancelled before completion|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentSideEffects.test|title=AgentSideEffects tool_ready dispatches progress actions to advance tool call state pending_confirmation without an active turn still dispatches (does not hang)|occurrence=1 Inherited agentSideEffects.ts ×2