Fix: Expand environment variables in AI API key configuration#21
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Fixes issue where ${OPENAI_API_KEY} in config.yaml wasn't being expanded,
causing agents to use literal string instead of actual API key value.
Changes:
- Added os.ExpandEnv() to ai_api_key config loading
- Handles both direct API keys and ${ENV_VAR} syntax
- Preserves unexpanded form for missing env vars to show better errors
- Maintains backward compatibility with existing configs
Resolves OpenAI 401 errors and prevents fallback to Gemini provider.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
ai_api_keyconfig loading${OPENAI_API_KEY}wasn't being expandedChanges
os.ExpandEnv()to config loading in/internal/config/config.gosk-1234...) and env vars (${OPENAI_API_KEY})Test plan
${ENV_VAR}syntaxBefore/After
Before:
${OPENAI_API_KEY}sent literally → 401 UnauthorizedAfter: Environment variable expanded → Successful OpenAI calls
🤖 Generated with Claude Code