Files
turnstone/tests
Patrick Buckley 114ada791b feat(providers): add Claude Fable 5 to the Anthropic provider
- claude-fable-5 capability entry: 1M context / 128K output, adaptive
  thinking (summarized display), effort low..max incl. xhigh, no
  sampling params, web + tool search, vision, reasoning replay, native
  mid-conversation system messages
- document the Fable 5 wire quirk at the capability table: an explicit
  thinking={"type": "disabled"} is a 400 on this model; the adaptive
  branch never emits "disabled", so adaptive-or-omitted is preserved
- widen the native mid-conversation-system comments from opus-4-8-only
  to opus-4-8 + fable-5 (protocol, provider, tool_advisory, prompts,
  session)
- raise the anthropic SDK floor 0.39 -> 0.108: 0.39 predates every
  named kwarg the provider sends (output_config 0.77, top-level
  cache_control 0.83, mid-conversation system blocks 0.105); 0.108
  adds claude-fable-5
- tests: capability assertions for claude-fable-5 + dated-variant
  prefix match
2026-06-09 10:50:58 -07:00
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