Intent of copilotAgent.ts ×1

All 5 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 5 tests
- platform/ 5 tests
  - agentHost/ 5 tests
    
    test/ 5 tests
    
    node/ 5 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/copilotAgent.test|title=CopilotAgent chat surface (IAgentChats) disposeSession tears down a provisional session|occurrence=1 Inherited copilotAgent.test|title=CopilotAgent chat surface (IAgentChats) disposeSession tears down a provisional session|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/copilotAgent.test|title=CopilotAgent peer chat routing and lifecycle disposeSession disposes the session's peer chats|occurrence=1 Inherited copilotAgent.test|title=CopilotAgent peer chat routing and lifecycle disposeSession disposes the session's peer chats|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/copilotAgent.test|title=CopilotAgent provisional sessions disposeSession on provisional session does not call client.deleteSession|occurrence=1 Inherited copilotAgent.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/copilotAgent.test|title=CopilotAgent provisional sessions disposeSession on provisional session does not touch SDK or worktree|occurrence=1 Inherited copilotAgent.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/copilotAgent.test|title=CopilotAgent quick chat scratch directory disposeSession cleans up the quick chat scratch dir|occurrence=1 Inherited copilotAgent.ts ×3