LeftX 2e5930e355 feat: add fallback_models support for automatic model failover ...

When the primary model fails (finish_reason="error" after exhausting
provider-level retries), automatically try each model in the configured
fallback_models list. Supports cross-provider fallback via a cached
provider_factory that resolves the correct provider for each model string.

Config:
  agents.defaults.fallback_models: ["model-b", "provider/model-c"]

Changes:
- AgentDefaults: add fallback_models field
- AgentRunSpec: add fallback_models field
- AgentRunner: add provider_factory, _call_provider, _resolve_fallback_provider
- AgentLoop: accept and forward fallback_models + provider_factory
- nanobot.py: extract _make_provider_for_model, add _make_provider_factory
- cli/commands.py: add _make_cli_provider_factory, wire all AgentLoop sites
- tests/agent/test_runner_fallback.py: 8 test cases covering primary success,
  single/multi fallback, cross-provider, no-factory reuse, caching

Made-with: Cursor

2026-05-08 20:16:06 +08:00

..

tools

refactor(agent): simplify subagent concurrency with rejection over semaphore

2026-05-05 22:22:04 +08:00

__init__.py

feat(agent): add SelfTool for runtime self-inspection and configuration

2026-04-16 23:44:26 +08:00

test_ask_user.py

feat(webui): render ask_user choices

2026-04-25 15:46:47 +00:00

test_auto_compact.py

refactor(config): make max messages default explicit

2026-04-28 14:54:32 +08:00

test_consolidate_offset.py

feat(agent): two-stage memory system with Dream consolidation

2026-04-02 22:42:25 +08:00

test_consolidation_ratio.py

test: tighten consolidation ratio coverage

2026-04-26 20:24:42 +08:00

test_consolidator.py

fix(agent): bound remaining memory/history pollution paths from #3412

2026-04-24 04:17:19 +08:00

test_context_prompt_cache.py

test: Add tests for sender_id runtime context injection

2026-05-01 19:43:38 +08:00

test_cursor_recovery.py

refactor(memory): centralize cursor validation behind a single gate

2026-04-21 14:02:53 +08:00

test_dream.py

fix(agent): bound remaining memory/history pollution paths from #3412

2026-04-24 04:17:19 +08:00

test_evaluator.py

refactor(tests): optimize unit test structure

2026-03-24 15:12:22 +08:00

test_gemini_thought_signature.py

Merge origin/main into fix/sanitize-messages-non-claude

2026-04-09 04:45:45 +00:00

test_git_store.py

refactor(memory): simplify Dream config naming and rename gitstore module

2026-04-04 10:01:45 +00:00

test_heartbeat_service.py

refactor(tests): optimize unit test structure

2026-03-24 15:12:22 +08:00

test_hook_composite.py

feat(agent): mid-turn message injection for responsive follow-ups (#2985)

2026-04-11 21:43:23 +08:00

test_loop_consolidation_tokens.py

fix: include pending summaries in consolidation estimates

2026-04-19 20:06:11 +08:00

test_loop_cron_timezone.py

fix(agent): use configured timezone when registering cron tool

2026-03-25 22:07:14 +08:00

test_loop_progress.py

feat(webui): polish chat layout and titles

2026-05-06 22:20:35 +08:00

test_loop_save_turn.py

feat(webui): polish chat layout and titles

2026-05-06 22:20:35 +08:00

test_loop_tool_context.py

fix(slack): preserve thread context for proactive replies

2026-04-27 02:10:38 +08:00

test_max_messages_config.py

refactor(config): make max messages default explicit

2026-04-28 14:54:32 +08:00

test_mcp_connection.py

Merge origin/main into main

2026-04-11 09:32:05 +00:00

test_mcp_transient_retry.py

test(mcp): pin CancelledError short-circuits the retry loop

2026-04-21 13:24:40 +08:00

test_memory_store.py

fix(memory): clean atomic write test hygiene

2026-04-29 16:57:50 +08:00

test_onboard_logic.py

fix(onboard): allow empty strings and falsy values in input fields

2026-05-08 13:13:20 +08:00

test_runner_fallback.py

feat: add fallback_models support for automatic model failover

2026-05-08 20:16:06 +08:00

test_runner_progress_deltas.py

fix(agent): gate provider progress deltas

2026-05-06 21:18:30 +08:00

test_runner.py

refactor(logging): preserve tracebacks and add channel context

2026-05-06 21:17:45 +08:00

test_runtime_refresh.py

refactor(agent): move provider refresh into subsystem owners

2026-04-26 14:18:37 +00:00

test_self_model_preset.py

feat(config): add model preset support for runtime model switching

2026-05-08 20:16:06 +08:00

test_session_atomic.py

fix(session): repair read-only corrupt session paths

2026-04-20 00:17:50 +08:00

test_session_delete.py

feat(webui): add initial webui with websocket chat flow

2026-04-18 18:51:53 +00:00

test_session_manager_history.py

feat(webui): polish chat layout and titles

2026-05-06 22:20:35 +08:00

test_skill_creator_scripts.py

refactor(tests): optimize unit test structure

2026-03-24 15:12:22 +08:00

test_skills_loader.py

fix(skills): use yaml.safe_load for frontmatter parsing to handle multiline descriptions

2026-04-14 15:29:59 +08:00

test_stop_preserves_context.py

test(agent): exercise /stop cancellation through _dispatch

2026-04-21 01:14:41 +08:00

test_task_cancel.py

fix(agent): propagate effective session key through subagent pipeline

2026-04-20 14:47:14 +08:00

test_tool_hint.py

fix(tool_hints): pass max_length to abbreviate_path for is_path tools

2026-05-06 21:18:39 +08:00

test_unified_session.py

fix(tests): add _cancel_active_tasks mock to cmd_new test fixtures

2026-04-21 21:50:37 +08:00