Intent of agentHostSessionTitleController.ts ×2

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 2 tests
- platform/ 2 tests
  - agentHost/ 2 tests
    
    test/ 2 tests
    
    node/ 2 tests
    
    agentSideEffects.test|title=AgentSideEffects turn completion — read/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentSideEffects.test|title=AgentSideEffects turn completion — read/unread marks the parent session unread when a subagent turn completes|occurrence=1 Inherited unread marks the parent session unread when a subagent turn completes|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentSideEffects.test|title=AgentSideEffects queued message consumption drains a peer chat queued message to the owning session with the chat arg|occurrence=1 Inherited agentSideEffects.test|title=AgentSideEffects queued message consumption drains a peer chat queued message to the owning session with the chat arg|occurrence=1