[cherry-pick] Revert https://github.com/microsoft/vscode/pull/327408

[vs-code-engineering]

Cherry-pick of #328871 from release/1.132.

⚠️ This cherry-pick has merge conflicts that need manual resolution. Conflict markers (<<<<<<</=======/>>>>>>>) are committed to the branch — check it out locally, resolve, and force-push.

git fetch origin cherry-pick/328871 && git checkout cherry-pick/328871
# resolve conflicts, then:
git add -A && git commit --amend --no-edit && git push --force-with-lease

Conflicting files:

• src/vs/platform/agentHost/node/agentHostMain.ts
• src/vs/platform/agentHost/node/agentHostServerMain.ts
• src/vs/platform/agentHost/node/agentModelRefreshScheduler.ts
• src/vs/platform/agentHost/node/agentService.ts
• src/vs/platform/agentHost/test/node/agentModelRefreshScheduler.test.ts
• src/vs/platform/agentHost/test/node/codex/codexModelRefresh.test.ts
• src/vs/platform/agentHost/test/node/codex/codexPrewarmEviction.test.ts

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[vs-code-engineering]

📬 CODENOTIFY

The following users are being notified based on files changed in this PR:

@TylerLeonhardt

Matched files:

• src/vs/platform/agentHost/node/claude/claudeAgent.ts