Intent of claudeSubagentRegistry.ts ×1

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 4 tests
- platform/ 4 tests
  - agentHost/ 4 tests
    
    test/ 4 tests
    
    node/ 4 tests
    
    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 removeSpawn deletes the spawn AND evicts inner-tool edges that pointed at it; other parents’ edges are untouched|occurrence=1 Inherited claudeSubagentRegistry.test|title=SubagentRegistry removeSpawn deletes the spawn AND evicts inner-tool edges that pointed at it; other parents’ edges are untouched|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeSubagentSignals.test|title=claudeSubagentSignals — Phase 12 emission background subagent completion: task_started then tool_result yields NO completion; later task_notification fires it|occurrence=1 Inherited claudeSubagentSignals.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeSubagentSignals.test|title=claudeSubagentSignals — Phase 12 emission foreground subagent completion: tool_result for a Task spawn emits ChatToolCallComplete AND IAgentSubagentCompletedSignal, then clears the spawn from the registry|occurrence=1 Inherited claudeSubagentSignals.test|title=claudeSubagentSignals — Phase 12 emission foreground subagent completion: tool_result for a Task spawn emits ChatToolCallComplete AND IAgentSubagentCompletedSignal, then clears the spawn from the registry|occurrence=1