[Bug] Token usage reported for zero-length interactions without API calls

Bug Description
no tokoen usage like just saying hello charges about 5% of usage.

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.5
• Feedback ID: 6f11d07a-3a06-4b2d-a3ae-0db7d6dcef45

Errors

[{"error":"Error: 1: Command failed with ENOENT: code --force --install-extension anthropic.claude-code\nspawn code ENOENT \n    at O87 (file:///Users/bnsmac/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3208:3956)\n    at async w87 (file:///Users/bnsmac/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3208:1579)","timestamp":"2026-01-12T00:29:59.736Z"}]