## Summary
Fix for COM-14110: Preview image does not display new outputs in
vue-nodes.
## Problem
The merge logic in `setOutputsByLocatorId` updated `app.nodeOutputs` but
returned early without updating the reactive `nodeOutputs.value` ref.
This caused Vue components to never receive merged output updates
because only the non-reactive `app.nodeOutputs` was being updated.
## Solution
Added `nodeOutputs.value[nodeLocatorId] = existingOutput` after the
merge loop, before the return statement.
## Testing
- Added 2 unit tests covering the merge behavior
- All 4076 existing unit tests pass
- Typechecks pass
- Lint passes
## Notes
- Related open PRs touching same files: #8143, #8366 - potential minor
conflicts possible
Fixes COM-14110
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8479-fix-update-reactive-ref-after-merge-in-imagePreviewStore-2f86d73d365081f1a145fa5a9782515f)
by [Unito](https://www.unito.io)
Co-authored-by: Amp <amp@ampcode.com>
## Summary
Migrates all unit tests from `tests-ui/` to colocate with their source
files in `src/`, improving discoverability and maintainability.
## Changes
- **What**: Relocated all unit tests to be adjacent to the code they
test, following the `<source>.test.ts` naming convention
- **Config**: Updated `vitest.config.ts` to remove `tests-ui` include
pattern and `@tests-ui` alias
- **Docs**: Moved testing documentation to `docs/testing/` with updated
paths and patterns
## Review Focus
- Migration patterns documented in
`temp/plans/migrate-tests-ui-to-src.md`
- Tests use `@/` path aliases instead of relative imports
- Shared fixtures placed in `__fixtures__/` directories
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7811-chore-migrate-tests-from-tests-ui-to-colocate-with-source-files-2da6d73d36508147a4cce85365dee614)
by [Unito](https://www.unito.io)
---------
Co-authored-by: Amp <amp@ampcode.com>
Co-authored-by: GitHub Action <action@github.com>
