fix(svelte-query): handle multi-item createQueries removals

[raashish1601]

Summary

• delete proxy-backed array result entries from the tail first so createQueries can shrink by multiple items in one update
• add a regression that reproduces shrinking a reactive query list from four entries to two
• add a patch changeset for @tanstack/svelte-query

Testing

• corepack pnpm --filter @tanstack/svelte-query exec vitest run tests/createQueries.svelte.test.ts
• corepack pnpm exec eslint packages/svelte-query/src/containers.svelte.ts
• git diff --check

Fixes #10341.

Summary by CodeRabbit

• Bug Fixes

  • createQueries now correctly handles removing multiple queries in a single reactive update.

• Tests

  • Added a test validating removal of multiple queries in one update.

• Chores

  • Added a changeset entry to publish a patch release.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 07bb340e-6e85-4477-bf86-cb6fd1ca5992

📥 Commits

Reviewing files that changed from the base of the PR and between 29f423f and 387c7b7.

📒 Files selected for processing (1)

• packages/svelte-query/src/containers.svelte.ts

🚧 Files skipped from review as they are similar to previous changes (1)

• packages/svelte-query/src/containers.svelte.ts

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📝 Walkthrough

Walkthrough

A patch adds a changeset and fixes createRawRef in createRawRef to reverse deletion order when the proxied output is an array, preventing crashes when multiple items are removed from a reactive query list; a new test verifies the behavior.

Changes

Cohort / File(s)	Summary
Release Documentation \.changeset/green-peaches-yawn.md	Added a changeset marking a patch release for @tanstack/svelte-query describing the fix for batch removals in createQueries.
Core Fix packages/svelte-query/src/containers.svelte.ts	Adjusted createRawRef's update/remove loop to iterate removals in reverse order when out is an array to avoid proxy deletion errors when multiple items are removed at once.
Test Coverage packages/svelte-query/tests/createQueries.svelte.test.ts	Imported reactive helper and added a test "should handle removing multiple queries in a single update" that removes two items in one update and asserts the queries shrink to the expected results.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐰
I nibbled at keys, then hopped in reverse,
so deletions don't break the universe.
When queries tumble two-by-two,
I patch the path and stitch it through.
Hooray — the list now hops anew! 🥕✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'fix(svelte-query): handle multi-item createQueries removals' directly and accurately summarizes the main change: fixing the handling of multiple item removals in createQueries.
Description check	✅ Passed	The PR description provides a clear summary section, testing instructions, and references the fixed issue, but lacks explicit checklist items from the template (Contributing guide, testing, and changeset confirmation).
Linked Issues check	✅ Passed	The PR successfully addresses issue #10341 by implementing the tail-first deletion strategy to handle multi-item removals from proxy-backed arrays and includes a regression test covering the reported crash scenario.
Out of Scope Changes check	✅ Passed	All changes are directly scoped to fixing the multi-item removal bug: the core fix in containers.svelte.ts, a regression test in createQueries.svelte.test.ts, and the required changeset file.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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