fix(ollama): exclude top-level keys from nested options in embeddings request

[sv-LayZ]

Description

dimensions and keep_alive provider options were sent twice in the Ollama embeddings payload — as top-level fields and again inside options. This caused Ollama to log invalid option provided warnings on every request.

Strips those keys from the nested options object since they're already handled at the top level.

Closes #1010

[Copilot]

Pull request overview

Fixes Ollama embeddings payload construction so dimensions and keep_alive are not duplicated inside the nested options object (preventing Ollama “invalid option provided” warnings).

Changes:

• Exclude dimensions and keep_alive from the nested options payload in the Ollama embeddings handler.
• Add/adjust Ollama embeddings HTTP assertion to ensure options is not sent when only dimensions is provided.
• Minor test/code refactors to use first-class callable syntax.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/Providers/Ollama/Handlers/Embeddings.php	Builds options by excluding keys already sent at the top level.
tests/Providers/Ollama/EmbeddingsTest.php	Asserts dimensions is top-level and options is omitted in that scenario.
tests/Embeddings/MultimodalEmbeddingsTest.php	Refactors toThrow callable syntax (introduces an unused import).
tests/Embeddings/ImageEmbeddingsTest.php	Refactors toThrow callable syntax (introduces an unused import).
src/Text/Response.php	Refactors map() callback to first-class callable syntax.

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