feat: handle delete-insert in transaction merging

[marbemac]

🎯 Changes

So related to the whole longer lived editing session concept, running into delete and the insert issue on pending mutation. Basically if user deletes something in our editor, we tx.mutate and delete the record. Then if the user cmd+z to undo in our editor, we reverse the operation and insert the record that was just deleted (on same tx, it has not been committed yet).

This pattern results in the Uncaught Error: Unhandled mutation combination: delete-insert error.

This PR adds handling for delete-insert pattern.

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm test:pr.

🚀 Release Impact

• This change affects published code, and I have generated a changeset.
• This change is docs/CI/dev-only (no release).

[changeset-bot]

🦋 Changeset detected

Latest commit: 50b09dc

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 12 packages

Name	Type
@tanstack/db	Patch
@tanstack/angular-db	Patch
@tanstack/electric-db-collection	Patch
@tanstack/offline-transactions	Patch
@tanstack/powersync-db-collection	Patch
@tanstack/query-db-collection	Patch
@tanstack/react-db	Patch
@tanstack/rxdb-db-collection	Patch
@tanstack/solid-db	Patch
@tanstack/svelte-db	Patch
@tanstack/trailbase-db-collection	Patch
@tanstack/vue-db	Patch

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[pkg-pr-new]

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• tanstack-start-example-basic
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• @tanstack/db-example-solid-todo

@tanstack/angular-db

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@tanstack/db

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@tanstack/db-ivm

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@tanstack/electric-db-collection

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@tanstack/offline-transactions

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@tanstack/powersync-db-collection

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@tanstack/query-db-collection

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@tanstack/react-db

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@tanstack/rxdb-db-collection

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@tanstack/solid-db

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@tanstack/svelte-db

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@tanstack/trailbase-db-collection

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@tanstack/vue-db

npm i https://pkg.pr.new/@tanstack/vue-db@1068

commit: 50b09dc

[marbemac]

Tests failing with:

error Dependency @tanstack/query-db-collection has multiple versions defined in the workspace. multiple-dependency-versions

error Dependency @tanstack/react-db has multiple versions defined in the workspace. multiple-dependency-versions

But only in CI - works on my local machine. Let me know if there's something I should do to resolve them!