anthropic/claude-sonnet-4-6:

params: {}

successCriteria:

- Anthropic Claude Sonnet 4.6 advertises adaptive but not OpenAI-only xhigh or Opus max.

- Anthropic Claude Sonnet 4.6 advertises adaptive and native max, but not OpenAI-only xhigh.

- A stored adaptive level remaps to medium when switching to OpenAI GPT-5.5.

- OpenAI GPT-5.5 advertises xhigh but not adaptive or max.

- A stored xhigh level remaps to high when switching to an Anthropic model without xhigh support.

- extensions/openai/openai-provider.ts

execution:

kind: flow

summary: Select Anthropic, set adaptive, switch to OpenAI and verify medium fallback, then set xhigh and verify high fallback on a non-xhigh model.

summary: Select Anthropic, set adaptive, switch to OpenAI and verify medium fallback, then set xhigh and verify high fallback on a model without xhigh support.

config:

requiredProviderMode: live-frontier

requiredProvider: openai

message:

expr: "`expected Anthropic /think options to include adaptive, got ${anthropicThinkStatus.text}`"

- assert:

expr: "!/Options: .*\\bxhigh\\b/i.test(anthropicThinkStatus.text) && !/Options: .*\\bmax\\b/i.test(anthropicThinkStatus.text)"

expr: "!/Options: .*\\bxhigh\\b/i.test(anthropicThinkStatus.text) && /Options: .*\\bmax\\b/i.test(anthropicThinkStatus.text)"

message:

expr: "`expected Sonnet /think options to omit xhigh/max, got ${anthropicThinkStatus.text}`"

expr: "`expected Sonnet /think options to include max and omit xhigh, got ${anthropicThinkStatus.text}`"

detailsExpr: "`model=${JSON.stringify(anthropicModelAck.resolved)}; think=${anthropicThinkStatus.text}`"

- name: maps adaptive to medium when switching to OpenAI

actions:

expr: "state.getSnapshot().messages.slice(cursor).filter((candidate) => candidate.direction === 'outbound' && candidate.conversation.id === config.conversationId && /Current thinking level: high/i.test(candidate.text)).at(-1)"

- expr: liveTurnTimeoutMs(env, 20000)

- assert:

expr: "/Options: .*\\badaptive\\b/i.test(noXhighThinkStatus.text) && !/Options: .*\\bxhigh\\b/i.test(noXhighThinkStatus.text) && !/Options: .*\\bmax\\b/i.test(noXhighThinkStatus.text)"

expr: "/Options: .*\\badaptive\\b/i.test(noXhighThinkStatus.text) && /Options: .*\\bmax\\b/i.test(noXhighThinkStatus.text) && !/Options: .*\\bxhigh\\b/i.test(noXhighThinkStatus.text)"

message:

expr: "`expected non-xhigh model /think options to include adaptive and omit xhigh/max, got ${noXhighThinkStatus.text}`"

expr: "`expected non-xhigh model /think options to include adaptive/max and omit xhigh, got ${noXhighThinkStatus.text}`"

detailsExpr: "`xhigh=${xhighAck.text}; switch=${JSON.stringify(noXhighModelAck.resolved)}; think=${noXhighThinkStatus.text}`"