Intent of reducer.ts ×1

All 7 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 7 tests
- platform/ 7 tests
  - agentHost/ 7 tests
    
    test/ 7 tests
    
    node/ 7 tests
    
    agentService.test|title=AgentService (node dispatcher) addSubscriber triggers uncommitted refresh addSubscriber for <session>/ 1 test
    
    changeset/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentService.test|title=AgentService (node dispatcher) addSubscriber triggers uncommitted refresh addSubscriber for <session>/changeset/uncommitted triggers the first git diff refresh|occurrence=1 Inherited uncommitted triggers the first git diff refresh|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentService.test|title=AgentService (node dispatcher) addSubscriber triggers uncommitted refresh addSubscriber for the session URI or session-changeset URI triggers a static refresh|occurrence=1 Inherited agentHostChangesetService.ts ×25
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentService.test|title=AgentService (node dispatcher) addSubscriber triggers uncommitted refresh restoreSession drains a pending uncommitted refresh deferred by an earlier addSubscriber|occurrence=1 Inherited agentHostChangesetService.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentService.test|title=AgentService (node dispatcher) provisional workspace session advertises Uncommitted Changes before materialization|occurrence=1 Inherited agentHostChangesetOperationService.ts ×4
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/protocolServerHandler.test|title=ProtocolServerHandler reconnect replays missed changeset actions to changeset subscribers|occurrence=1 Inherited protocolServerHandler.test|title=ProtocolServerHandler reconnect replays missed changeset actions to changeset subscribers|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/reducers.test|title=changesetReducer ChangesetStatusChanged → Error attaches the error|occurrence=1 Inherited reducer.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/reducers.test|title=changesetReducer ChangesetStatusChanged → Ready strips a previous error|occurrence=1 Inherited reducer.ts ×1