Intent of claudeAgent.test|title=ClaudeAgent (Phase 9 — runtime mutation surface) changeModel with same id and unchanged effort skips the SDK setters|occurrence=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 (Phase 9 — runtime mutation surface) changeModel on a materialized session queues a model+effort bundle that drains at the next yield boundary|occurrence=1 Inherited claudeSdkPipeline.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeAgent.test|title=ClaudeAgent (Phase 9 — runtime mutation surface) changeModel with `max` effort passes `max` through on the runtime path|occurrence=1 Inherited claudeAgent.test|title=ClaudeAgent (Phase 9 — runtime mutation surface) changeModel with `max` effort passes `max` through on the runtime path|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeAgent.test|title=ClaudeAgent (Phase 9 — runtime mutation surface) changeModel with same id and unchanged effort skips the SDK setters|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/claudeAgent.test|title=ClaudeAgent (Phase 9 — runtime mutation surface) rebind re-applies bijective state (model + effort) on the new Query|occurrence=1 Inherited claudeAgent.test|title=ClaudeAgent (Phase 9 — runtime mutation surface) rebind re-applies bijective state (model + effort) on the new Query|occurrence=1