Intent of claudeSubagentRegistry.ts ×2

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
    
    claudeSubagentSignals.test|title=claudeSubagentSignals — Phase 12 emission top-level canonical assistant for Task emits ChatToolCallReady with confirmed:NotNeeded + _meta.subagentDescription/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeSubagentSignals.test|title=claudeSubagentSignals — Phase 12 emission top-level canonical assistant for Task emits ChatToolCallReady with confirmed:NotNeeded + _meta.subagentDescription/AgentName AND records metadata onto the spawn|occurrence=1 Inherited claudeSubagentSignals.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeAgent.test|title=ClaudeAgent D3: subagent spawn mirrors onto onDidSpawnChat while the subagent signals still flow|occurrence=1 Inherited claudeAgent.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeSubagentRegistry.test|title=SubagentRegistry recordSpawn is idempotent; init fields are first-writer-wins; getSpawn returns the same record across calls|occurrence=1 Inherited claudeSubagentRegistry.test|title=SubagentRegistry recordSpawn is idempotent; init fields are first-writer-wins; getSpawn returns the same record across calls|occurrence=1