[DOC] Metadata arrays docs

[itaismith]

Description of changes

Adding docs for metadata arrays

[github-actions]

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[propel-code-bot]

Docs: Add array metadata guidance and refresh filtering examples

Expands the metadata filtering, search API, and schema docs to explain how array metadata works across Python, TypeScript, and Rust SDKs. Adds new sections covering $contains/$not_contains, supported array types, example insertions, and clarifies index behavior plus new Rust Where usage patterns for metadata and document filters.

Key Changes

• Extended docs/mintlify/docs/querying-collections/metadata-filtering.mdx with a "Using Array Metadata" section, full CRUD examples, and refreshed Rust Where snippets for logical, inclusion, and document filters.
• Updated docs/mintlify/docs/querying-collections/full-text-search.mdx to document Rust Where::Document usage, logical operators, and mixed metadata/document filters.
• Augmented docs/mintlify/cloud/search-api/filtering.mdx with array metadata storage/filtering guidance, clarified operator semantics, added warnings about regex capabilities, and highlighted schema/index implications.
• Added metadata-array examples to docs/mintlify/docs/collections/add-data.mdx and noted array support in docs/mintlify/docs/collections/update-data.mdx; introduced a schema callout in docs/mintlify/cloud/schema/schema-basics.mdx about array indexes sharing scalar inverted indexes.

Affected Areas

• docs/mintlify/docs/querying-collections/metadata-filtering.mdx
• docs/mintlify/docs/querying-collections/full-text-search.mdx
• docs/mintlify/cloud/search-api/filtering.mdx
• docs/mintlify/docs/collections/add-data.mdx
• docs/mintlify/docs/collections/update-data.mdx
• docs/mintlify/cloud/schema/schema-basics.mdx

This summary was automatically generated by @propel-code-bot

[kylediaz]

I feel these docs are incomplete without these things:

• How does this work with quotas? Does each individual element have a 4kb limit, or is it the sum of their sizes?
• How do these count towards the metadata key count limit? is it +1, or +(number of elements). If the former, max array size?
• How does this interact with Schemas? I believe if, for example, the array is of type int, it uses the IntInvertedIndexConfig. Does contain fail if this index is disabled?

[HammadB]

Thanks good callouts @kylediaz

How does this work with quotas? Does each individual element have a 4kb limit, or is it the sum of their sizes?

The array size in total must be under quota so [<1kib item>, <1kib item>, <1kib item>, <1kib item>] sums to 4kib

How do these count towards the metadata key count limit? is it +1, or +(number of elements). If the former, max array size?

Its just one key so {'array1' : [], 'array2': []} is two keys

How does this interact with Schemas? I believe if, for example, the array is of type int, it uses the IntInvertedIndexConfig. Does contain fail if this index is disabled?

If the underlying type for the array has its index enabled, the corresponding array type has it enabled (int, bool, string, float etc). Queries fail if disabled.