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## Summary Adds Anthropic Claude Fable 5 as a first-class Fabro model without changing the default Anthropic model. The catalog now exposes `claude-fable-5` with `fable` and `claude-fable` aliases, 1M context, 128k max output, effort levels, vision/tools, prompt caching, and the documented pricing. The Anthropic adapter now handles Fable's API behavior directly: it uses the `claude-fable-5` API ID, omits the legacy 1M context beta header, avoids injecting default `thinking`, preserves `output_config.effort`, omits deprecated `temperature`/`top_p` sampling fields for Fable, and rejects unsupported manual enabled/disabled thinking configs locally. Fable refusals are converted into content-filter LLM errors with `stop_details` preserved. Those refusal errors are fallback-eligible, so existing `run.model.fallbacks` chains work for both prompt and agent paths, while no-fallback refusals surface clearly as LLM errors. ## Live QA Manually exercised the PR branch against a live Anthropic API key from `~/.fabro.bak/.env.bak` using a temporary local harness that was removed before commit. The run covered non-streaming completion via `fable`, token counting via `claude-fable`, streaming completion, the deep model-test path with tools/reasoning, local rejection of manual thinking config, and a live refusal probe. The live run initially exposed Anthropic's Fable rejection of `temperature`; this PR now strips deprecated sampling fields for Fable and the live harness then passed 6/6 checks. ## Testing - `cargo test -p fabro-llm --test live_fable_manual -- --nocapture --test-threads=1` -> 6 passed against live Anthropic, temporary harness removed afterward - `cargo nextest run -p fabro-llm encode_fable_uses_api_id_effort_and_omits_1m_beta` - `cargo nextest run -p fabro-model -p fabro-llm -p fabro-workflow` -> 1808 passed, 41 skipped - `cargo +nightly-2026-04-14 fmt --check --all` - `cargo insta pending-snapshots` -> no pending snapshots - `git diff --check` --------- Co-authored-by: Claude Fable 5 <noreply@anthropic.com> |
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| 2026-04-29-metadata-snapshot-events.md | ||
| 2026-04-30-duplicate-type-unification.md | ||
| 2026-04-30-preserve-exec-failure-diagnostics.md | ||
| 2026-05-02-event-module-split.md | ||
| 2026-05-02-server-readiness-timeouts.md | ||
| 2026-05-02-settings-driven-llm-providers-models.md | ||
| 2026-05-04-cross-tab-sse-coordination.md | ||
| 2026-05-04-model-test-bounded-concurrency.md | ||
| 2026-05-04-unique-git-checkpoint-commit-message-path.md | ||
| 2026-05-05-clean-pierre-virtualizer-integration.md | ||
| 2026-05-05-decouple-interrupts-from-steering.md | ||
| 2026-05-06-cli-input-overrides.md | ||
| 2026-05-06-improve-cli-api-error-display.md | ||
| 2026-05-06-polished-foreground-tty-logging.md | ||
| 2026-05-08-generated-typescript-api-client-migration.md | ||
| 2026-05-08-run-owned-sandbox-lifecycle.md | ||
| 2026-05-09-daytona-run-terminal.md | ||
| 2026-05-09-fixed-project-workflow-directory.md | ||
| 2026-05-09-inline-markdown-run-titles.md | ||
| 2026-05-09-live-stage-token-projection.md | ||
| 2026-05-09-remove-local-worktree-mode.md | ||
| 2026-05-09-run-files-diff-scope-picker.md | ||
| 2026-05-10-auth-sessions-backend.md | ||
| 2026-05-10-auth-sessions-frontend.md | ||
| 2026-05-10-live-events-page.md | ||
| 2026-05-10-sandbox-services-backend.md | ||
| 2026-05-10-sandbox-services-frontend.md | ||
| 2026-05-11-automations-end-to-end.md | ||
| 2026-05-13-path-based-daytona-dockerfiles.md | ||
| 2026-05-13-sandbox-repo-layout-plan.md | ||
| 2026-05-14-optional-llm-install.md | ||
| 2026-05-15-sandbox-network-details.md | ||
| 2026-05-16-chats-new-fabro-web-port.md | ||
| 2026-05-16-source-aware-template-diagnostics.md | ||
| 2026-05-16-static-workflow-structure-rendering.md | ||
| 2026-05-17-live-provider-workflow-testing.md | ||
| 2026-05-17-provider-adapter-boundary-cleanup.md | ||
| 2026-05-18-server-side-run-pairing-api-events.md | ||
| 2026-05-18-vault-and-credential-source-cleanup.md | ||
| 2026-05-20-daytona-managed-sandbox-labels.md | ||
| 2026-05-22-agent-context-observability-events.md | ||
| 2026-05-22-run-agent-fabro-tools-opt-in.md | ||
| 2026-05-22-unified-agent-transcript-events.md | ||
| 2026-05-23-llm-input-token-counting.md | ||
| 2026-06-10-catalog-driven-model-behaviors.md | ||