feat(providers): add Meta Muse Spark 1.1 provider

[waleedlatif1]

Summary

• Add new BYOK-only meta provider for Meta's just-launched Meta Model API
• Wire up muse-spark-1.1: 1M context, streaming, tool-calling, reasoning_effort (minimal→xhigh), structured output
• Add Meta icon mark (not wordmark) with theme-safe gradient IDs
• Not added to hosted models — BYOK only, no auto-billing

Type of Change

• New feature

Testing

Tested manually. providers/models.test.ts + providers/attachments.test.ts pass (32/32). Verified pricing/context/reasoning-effort values against Meta's live docs (dev.meta.ai).

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Jul 9, 2026 6:31pm

[cursor]

PR Summary

Medium Risk
Adds a large new execution path (tools, streaming, structured output) that talks to an external API, but it mirrors existing OpenAI-compatible providers and is BYOK-only with no hosted billing changes.

Overview
Introduces Meta as a bring-your-own-key provider targeting https://api.meta.ai/v1, alongside catalog entry for muse-spark-1.1 (1M context, pricing, reasoning_effort levels) and a MetaIcon for the UI.

The new metaProvider adapter uses the OpenAI SDK for chat completions with streaming, tool loops, and JSON schema output. It encodes Meta-specific limits: tool_choice is effectively auto only (forced/none choices are warned or omitted so requests don’t 400), response_format is deferred when tools are active, and post-tool streaming/final structured calls drop tools from the payload instead of sending tool_choice: "none". meta is registered in the provider registry/types/utils and treated like Sakana for attachments (explicitly no file support) and token heuristics.

^{Reviewed by Cursor Bugbot for commit 6e32706. Configure here.}

[greptile-apps]

Greptile Summary

This PR adds Meta as a new BYOK provider for Muse Spark. The main changes are:

• New Meta provider implementation for chat, streaming, tools, and structured output.
• Meta model metadata, registry wiring, tokenization defaults, and attachment handling.
• Meta icon support in the provider UI.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

Important Files Changed

Filename	Overview
apps/sim/providers/meta/index.ts	Adds the Meta provider request flow for API-key validation, chat completions, streaming, tool use, and structured output.
apps/sim/providers/models.ts	Adds Meta provider metadata, model capabilities, pricing, context window, and icon wiring.
apps/sim/providers/registry.ts	Registers the Meta provider in the executable provider registry.
apps/sim/providers/types.ts	Adds Meta to the provider identifier type.
apps/sim/providers/attachments.ts	Adds Meta to attachment capability handling and marks file attachments unsupported for this adapter.
apps/sim/providers/meta/utils.ts	Adds a Meta streaming wrapper around the shared OpenAI-compatible stream utility.

_{Reviews (2): Last reviewed commit: "fix(providers): stop sending unsupported..." | Re-trigger Greptile}

[waleedlatif1]

@greptile

[waleedlatif1]

@cursor review

[cursor]

✅ Bugbot reviewed your changes and found no new issues!

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^{Reviewed by Cursor Bugbot for commit 6e32706. Configure here.}