Intent of modelSelection.ts ×4

All 7 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 7 tests
- workbench/ 7 tests
  - contrib/ 7 tests
    
    chat/ 7 tests
    
    test/ 7 tests
    
    common/ 7 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection a new conversation reapplies the configured default after an explicit selection|occurrence=1 Inherited modelSelection.test|title=ModelSelection a new conversation reapplies the configured default after an explicit selection|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection configured default applies to fresh conversations but not restored drafts or existing sessions|occurrence=1 Inherited modelSelection.test|title=ModelSelection configured default applies to fresh conversations but not restored drafts or existing sessions|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection does not reapply an unchanged configured model for the same chat|occurrence=1 Inherited modelSelection.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection falls back when a configured model is inapplicable to an authoritative provider pool|occurrence=1 Inherited modelSelection.test|title=ModelSelection falls back when a configured model is inapplicable to an authoritative provider pool|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection resolves configured model ids, families, and auto|occurrence=1 Inherited modelSelection.ts ×4
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection same-chat automatic selection still upgrades to the configured default|occurrence=1 Inherited modelSelection.test|title=ModelSelection same-chat automatic selection still upgrades to the configured default|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/modelSelection.test|title=ModelSelection uses the same new-conversation policy for configured, remembered, pending, and fallback models|occurrence=1 Inherited modelSelection.ts ×1