[Bug] Unintended Opus Model Usage When Specifying Haiku for Subagent Task

Bug Description
I asked it to spawn subagents with the Haiku model to translate my newly added keys to a json, but it used Opus and it just completely killed the Opus limit immediately.

Environment Info

• Platform: darwin
• Terminal: intellij
• Version: 1.0.112
• Feedback ID:

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at hV (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1768:1184)\n    at file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1768:912\n    at Array.map (<anonymous>)\n    at wX (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1768:903)\n    at QHB (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3020:13542)\n    at rD (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:84:19415)\n    at vl (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:42814)\n    at V9 (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38355)\n    at cf (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38283)\n    at WC (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:86:38137)","timestamp":"2025-09-12T08:21:06.450Z"},{"error":"AxiosError: Request failed with status code 403\n    at DN (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:715:1077)\n    at Unzip.Q0 (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:716:9955)\n    at Unzip.emit (node:events:531:35)\n    at Unzip.emit (node:domain:488:12)\n    at endReadableNT (node:internal/streams/readable:1696:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:82:21)\n    at nB1.request (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:718:2088)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n    at async tt6 (file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1978:480)\n    at async Promise.all (index 0)\n    at async file:///Users/mcosti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1964:6660","timestamp":"2025-09-14T08:39:56.553Z"}]