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feat(invariants): add package-owned service seam

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Tianyi Cui
2026-07-19 19:19:57 +08:00
parent 38b7275eb1
commit 9d310ecc27
83 changed files with 2225 additions and 1557 deletions
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packages/llm/llm/README.md
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@@ -46,7 +46,7 @@ Every product adapter sends application identity on provider HTTP requests. `att
- `LlmAdapter` — abstract base class for provider adapters. The only required method is `stream()`.
- `BlockAssembler` — incrementally assembles raw chunks into complete content blocks and an assistant message. The agent loop feeds it raw chunks (logging them for replay) while reading the assembled blocks/message for history.
- `HarnessError` — base class for the harness error taxonomy: a stable `code` string (distinct from the human `message`) plus `cause` chaining. Lives here, in the leaf package every other imports, so a single base is shared without a new dependency edge. Per-package errors (`LlmError`, `ToolArgsError`, `InvariantError`, …) extend it. `isHarnessError(value)` narrows at seams.
- `HarnessError` — base class for the product error taxonomy: a stable `code` string (distinct from the human `message`) plus `cause` chaining. Lives here, in the leaf product package every other product package imports, so a single base is shared without a new dependency edge. Per-package errors such as `LlmError` and `ToolArgsError` extend it. `isHarnessError(value)` narrows at seams.
- `LlmError` — extends `HarnessError`; its stable `code` string (`NO_ADAPTER`, `DUPLICATE_ADAPTER`, and adapter codes like `AUTH`/`RATE_LIMIT`) is the programmatic failure contract.
- `CONTEXT_WINDOW_EXCEEDED_CODE` — the provider-neutral code both DeepSeek adapters use when a request exceeds the model context window, regardless of thrown-HTTP versus in-band finish delivery. `isContextWindowExceededError(detail)` is their shared conservative classifier for OpenAI-compatible provider detail.