fix: add tool count validation with env-configurable MAX_TOOLS - #5
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…nses (aipotheosis-labs#337) Add MAX_TOOLS validation in the /chat route and openai_chat_stream to prevent cryptic OpenAI API errors when too many functions are selected. OpenAI's Responses API has undocumented limits (~128 tools or ~200k tokens of tool definitions). Exceeding them returns an unhelpful APIError that surfaces as a 500, causing empty AI responses. Improvements over PR aipotheosis-labs#604: - MAX_TOOLS is configurable via SERVER_AGENT_MAX_TOOLS env var (default 64) - Error message lists affected app names so users know which apps to disable - Error message mentions the env var so operators can adjust the limit - Error message truncates long app lists (>10 apps) - Added unit tests for validate_tool_count covering under/at/over limit, app name extraction, env var reference, and empty tools edge case Closes aipotheosis-labs#337 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Fixes aipotheosis-labs#337. Prevents OpenAI API errors when too many functions are selected. Adds env-configurable MAX_TOOLS, better error messaging, and tests. Closes aipotheosis-labs#337.
Improvements over PR aipotheosis-labs#604