## Summary
- add the missing `debug` method to the runtime-resolution logger mock
- prevent logger calls from short-circuiting runtime selection
assertions
## Test plan
- `pnpm --filter @fusion/engine exec vitest run
src/__tests__/runtime-resolution.test.ts`
- `pnpm --filter @fusion/engine typecheck`
- `pnpm check:changesets`
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Tests**
* Updated the runtime-resolution test suite’s mocked logger to also
support debug-level messages, alongside existing log, warn, and error
handling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Fixes silent runtime fallback visibility (dashboard never read wasConfigured
or session:runtime-resolved) and threads the real FallbackReason
(not_found vs factory_error) through resolveRuntime()/logRuntimeFallback
instead of hardcoding "not_found" for every fallback.
- packages/engine/src/runtime-resolution.ts: resolvePluginRuntime() now
returns a tagged miss result distinguishing not_found from factory_error;
resolveRuntime() threads the real reason through and returns it as
ResolvedRuntime.fallbackReason
- packages/engine/src/agent-session-helpers.ts: includes fallbackReason in
the session:runtime-resolved audit event metadata
- packages/dashboard/src/routes/register-task-workflow-routes.ts: new
GET /api/tasks/:id/runtime-fallback endpoint
- packages/dashboard/app/hooks/useRuntimeFallbackStatus.ts +
packages/dashboard/app/components/RuntimeFallbackBadge.tsx: new polling
hook + badge/toast component wired into TaskCard, ActiveAgentsPanel, and
AgentsView
Ref: Fusion task FUX-022, investigations/FUX-017-hermes-runtime-fallback.md
recommendation #1
- Move all co-located *.test.* files into sibling __tests__/ directories so the
layout is consistent across packages (159 renames + content-rewrite moves).
Updates relative imports, vi.mock specifiers, and __dirname/import.meta.url
path resolutions where tests read fixtures from disk.
- Drop tracked tsc-emit alongside engine .ts sources (auth-storage/logger/
skill-resolver/context-limit-detector/pi.{js,d.ts,*.map}). These were
accidentally committed in a merge and the stale pi.js was masking a real
test-mock vs source mismatch (tests imported "../pi.js" and vite preferred
the stale build over pi.ts).
- Add packages/engine/.gitignore to block future src/*.{js,d.ts,map}.
- Refactor plugin pi-module seams (openclaw/paperclip/hermes) to ESM-import
createFnAgent / promptWithFallback / describeModel from @fusion/engine
instead of require()-ing packages/engine/src/pi.js. Adds @fusion/engine to
the two plugin package.jsons that were missing it; exports describeModel
from the engine public API.
- Fix engine test mocks now that they run against current pi.ts: add
ModelRegistry.create static to mocks in pi.test.ts and pi-create-fn-agent
.test.ts; switch three boundary-result toEqual assertions to toMatchObject
so the new content/isError fields don't trip exact-match comparison.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
