Intent of codexMcpServers.ts ×4

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
    
    codex/ 3 tests
    
    codexMcpServers.test|title=codexMcpServers codexMcpServersFromConfig sanitizes non-string args/ 1 test
    
    env/ 1 test
    
    headers/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexMcpServers.test|title=codexMcpServers codexMcpServersFromConfig sanitizes non-string args/env/headers/cwd from untrusted config|occurrence=1 Inherited cwd from untrusted config|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexClientCustomizations.test|title=codexClientCustomizations codexMcpServersFromPlugins maps stdio + http, stringifies env, and maps headers|occurrence=1 Inherited codexClientCustomizations.test|title=codexClientCustomizations codexMcpServersFromPlugins maps stdio + http, stringifies env, and maps headers|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/codex/codexMcpServers.test|title=codexMcpServers codexMcpServersFromConfig maps stdio + http servers, stringifies env, and maps headers to http_headers|occurrence=1 Inherited codexMcpServers.test|title=codexMcpServers codexMcpServersFromConfig maps stdio + http servers, stringifies env, and maps headers to http_headers|occurrence=1