- duckduckgo-web.ts: Add poolConfig (2-5 sessions, 1s cooldown)
- providerRegistry.ts: Add poolConfig field to RegistryEntry type, configure for llm7
- default.ts: Read poolConfig from registry in constructor
DuckDuckGo Web now uses pool for VQD token rotation.
LLM7.io now uses pool with 2s cooldown for its 1 req/s rate limit.