test(web): provide a default Apollo client in vitest setup

[elibosley]

Full web vitest suite emits ~22 Apollo client with id default not found unhandled rejections, attributed to unrelated files (Modals.test.ts, DowngradeOs.test.ts). They don't fail the build but add noise and risk false positives.

They appear only in the full suite (not in isolation): some components/generated composables resolve the default Apollo client asynchronously (during teardown, after the triggering test finished), when no client is in scope; the useQuery mock doesn't cover those paths.

Fix: provide a no-op default Apollo client in web/vitest.setup.ts (InMemoryCache + a terminating ApolloLink emitting an empty result) so resolveClient always succeeds. No network calls; useQuery stays mocked.

Verification: full web suite locally — 64 files / 641 tests pass, zero unhandled rejections (was 22).

Test-harness only; no runtime changes. Split out of #2033, where these were noticed (pre-existing on main, unrelated to that feature).

🤖 Generated with Claude Code

Summary by CodeRabbit

• Tests
  • Improved test setup configuration to prevent unhandled errors during test execution and ensure proper test environment initialization.

No user-facing changes in this release.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 4f8ffd7b-8e8d-4ddb-876c-a55c59942cea

📥 Commits

Reviewing files that changed from the base of the PR and between 3e8f61f and 4b4ab27.

📒 Files selected for processing (1)

• web/vitest.setup.ts

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Walkthrough

web/vitest.setup.ts adds imports for Apollo client primitives and a global provideApolloClient call that registers a default Apollo client backed by InMemoryCache and an ApolloLink returning empty { data: {} } payloads, suppressing unhandled "default client not found" rejections across the test suite.

Changes

Apollo Client Stub in Vitest Setup

Layer / File(s)	Summary
Global Apollo client stub registration web/vitest.setup.ts	Imports provideApolloClient, ApolloClient, ApolloLink, InMemoryCache, and Observable; calls provideApolloClient with a client whose terminating link emits { data: {} }, suppressing missing-default-client unhandled rejections for the entire test run.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

A bunny hops through tests with glee,
No Apollo errors, wild and free! 🐇
A stub of data, empty and bright,
Keeps rejections away from sight.
Cache in memory, links aligned—
The test suite runs, peace of mind! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: providing a default Apollo client in the vitest setup file to resolve unhandled rejection errors.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/web-test-default-apollo-client

---

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.78%. Comparing base (3e8f61f) to head (4b4ab27).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2034   +/-   ##
=======================================
  Coverage   52.77%   52.78%           
=======================================
  Files        1035     1035           
  Lines       72060    72060           
  Branches     8293     8298    +5     
=======================================
+ Hits        38027    38034    +7     
+ Misses      33907    33900    -7     
  Partials      126      126           

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[github-actions]

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