Intent of claudeAgent.test|title=ClaudeAgent sendMessage on a disk-only session whose SDK record is missing throws "unknown session"|occurrence=1

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
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeAgent.test|title=ClaudeAgent disposing a provisional session never calls SDK startup and removes the record|occurrence=1 Inherited claudeAgent.test|title=ClaudeAgent disposing a provisional session never calls SDK startup and removes the record|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeAgent.test|title=ClaudeAgent sendMessage on a disk-only session whose SDK record is missing throws "unknown session"|occurrence=1 Introduced here