Bumps the bundled AI stack 0.23 → 0.28 so the current provider packages install with no version pin.
pnpm add payload-agent @tanstack/ai-anthropic @chat-adapter/telegram(no pin, nozod) now resolves a single@tanstack/ai@0.28.0with no peer warnings.agent.maxTokensnow maps to each provider's native option (buildModelOptions), so Anthropic no longer silently falls back to its 1024-token output cap.
Breaking: supported providers move to @tanstack/ai-anthropic@^0.15 / @tanstack/ai-openai@^0.14 — bump your pin, or drop it (latest now matches).