steve
0147a79d18
Phase 9a (ADR-0014): Registry.RegisterResolver for dynamic tiers; DefineTool[Args] typed tools; Usage cache/reasoning detail fields wired through anthropic/openai/google; WithPromptCaching (Anthropic cache_control); agent supervision hooks (WithMaxStepsFunc, WithSteer, WithCompactor, WithToolErrorLimits + ErrToolLoop); health Bench/Unbench/Snapshot; ChainConfig.Observer failover events. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Architecture Decision Records
One decision per file, append-only; supersede rather than rewrite.
| ADR | Title | Status |
|---|---|---|
| 0001 | Package layout — canonical types in leaf llm, root re-exports |
Accepted |
| 0002 | Canonical message/content model | Accepted |
| 0003 | Parse grammar — verbatim ids, inline alias expansion, chains | Accepted |
| 0004 | LLM_* env-DSN provider definitions (go-llm parity + eager load) | Accepted |
| 0005 | Provider interface and capabilities model | Accepted |
| 0006 | Model health tracking and backoff | Accepted |
| 0007 | Dependency policy — stdlib-first, hand-rolled REST clients | Accepted |
| 0008 | Failover-chain execution semantics | Accepted |
| 0009 | Multimodal strategy — normalize per target, enforce at provider | Accepted |
| 0010 | Tools and structured output — canonical shape, native mappings | Accepted |
| 0011 | Google provider on the official Gen AI SDK | Accepted |
| 0012 | Agent run loop | Accepted |
| 0013 | Skill model — additive instruction+tool bundles | Accepted |
| 0014 | Conversion-driven extensions (resolvers, typed tools, hooks, ops controls) | Accepted |