Story Crater BotandClaude Opus 5
058f11cf2b
Baseline for the Kong replacement on api.riotpiao.com. Brings the working tree under version control for the first time: gateway source, the task board that drives the agent runs, test fixtures, and K8s manifests. Anchor the gateway ignore rule to the repo root. Unanchored, "gateway" also matched the cmd/gateway/ source directory, so the program entrypoint was excluded from every commit. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
54 lines
3.0 KiB
Markdown
54 lines
3.0 KiB
Markdown
# 2.10 — Anthropic request translation (GREEN)
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Phase: 2 — LLM surfaces
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Stage: GREEN
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Depends on: [2.9](2.9-canonical-request-model.md), [2.1](2.1-model-registry.md)
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`POST /llm/v1/messages` accepts an Anthropic Messages request body and turns it into
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the dialect-neutral canonical request. The path carries `/v1/messages` because the
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Anthropic base-URL convention appends that suffix; the gateway prefix is `/llm`.
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- [ ] `POST /llm/v1/messages` is accepted and selects its upstream from the body's
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`model` field, using the same registry as `/v1`: `reasoning` reaches
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`reasoning-predictor.llm-serving:80`, `ornith:35b` and `qwen2.5:3b-instruct`
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reach `ornith-predictor.llm-serving:80`
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- [ ] The top-level `system` field becomes the canonical system instruction; it is a
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distinct field in this dialect and is not a member of `messages`
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- [ ] Each message `content` may be a plain string or an array of blocks; a string and
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a single text block carrying the same characters translate identically
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- [ ] `max_tokens` is REQUIRED on this surface, matching the Anthropic contract; a
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request without it is rejected as a client error and no upstream is contacted
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- [ ] `max_tokens` above what the upstream can serve is clamped rather than rejected,
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and the clamp is logged; `reasoning` has `--max-model-len=16384`
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- [ ] Roles are restricted to `user` and `assistant`; any other role, including
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`system` inside `messages`, is a client error naming the offending role
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- [ ] `stop_sequences` becomes the canonical stop sequences, and `stream` becomes the
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canonical streaming flag
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- [ ] `tools`, `tool_choice`, any `tool_use` or `tool_result` block, any `image` block,
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any cache-control marker, and any user message with more than one content block
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are rejected as unsupported, naming the feature; none is silently dropped
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- [ ] Unknown top-level fields are rejected rather than ignored, so a client cannot
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believe an unimplemented option took effect
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- [ ] Reading the body respects the route's configured body size cap
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`max_tokens` stays optional on `/v1/chat/completions`. The policy is per-surface: each
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dialect keeps its own contract, and the canonical request records whichever value
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resulted.
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## Verify
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```bash
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curl -s -o /dev/null -w '%{http_code}\n' localhost:8080/llm/v1/messages \
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-H 'content-type: application/json' \
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-d '{"model":"reasoning","max_tokens":64,"system":"be terse","messages":[{"role":"user","content":"hi"}]}'
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# expected: 200, reasoning stub hit, system text present in the upstream request
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curl -s localhost:8080/llm/v1/messages -H 'content-type: application/json' \
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-d '{"model":"reasoning","messages":[{"role":"user","content":"hi"}]}'
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# expected: 400, body names max_tokens as the missing required field, no upstream stub hit
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curl -s localhost:8080/llm/v1/messages -H 'content-type: application/json' \
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-d '{"model":"reasoning","max_tokens":8,"messages":[{"role":"system","content":"x"}]}'
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# expected: 400, body names the rejected role, no upstream stub hit
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```
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