Context Window Warning Intermittently Fails to Trigger

Bug Description
Context Window warning is not showing up most of the time. It does on occasion, but fails to most of the time. Surprise autocompacts are very frustrating for me, bc I can't use autocompact with a project like mine.

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 1.0.70
• Feedback ID: bf5b50db-c321-41b1-93a4-bf216fba7fe7

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at $X (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:1184)\n    at file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:912\n    at Array.map (<anonymous>)\n    at qX (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:903)\n    at yhB (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2830:7812)\n    at $R (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:327:19859)\n    at _b (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:42848)\n    at yb (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38369)\n    at Xj (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38297)\n    at gR (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38151)","timestamp":"2025-08-08T01:56:58.358Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at $X (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:1184)\n    at file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:912\n    at Array.map (<anonymous>)\n    at qX (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:903)\n    at yhB (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2830:7812)\n    at $R (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:327:19859)\n    at _b (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:42848)\n    at yb (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38369)\n    at Xj (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38297)\n    at gR (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38151)","timestamp":"2025-08-08T01:56:58.365Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at $X (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:1184)\n    at file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:912\n    at Array.map (<anonymous>)\n    at qX (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:903)\n    at yhB (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2830:7812)\n    at $R (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:327:19859)\n    at _b (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:42848)\n    at yb (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38369)\n    at Xj (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38297)\n    at gR (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38151)","timestamp":"2025-08-08T01:56:58.368Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at $X (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:1184)\n    at file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:912\n    at Array.map (<anonymous>)\n    at qX (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1587:903)\n    at yhB (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2830:7812)\n    at $R (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:327:19859)\n    at _b (file:///Users/josh/.nvm/versions/node/v20.19.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:42848)\n    at yb (file:///Users/josh/.nvm/

Note: Error logs were truncated.