fix(network-activity-plugin): support RFC 6839 json responses

[V3RON]

Summary

• recognize RFC 6839 +json content types alongside application/json in the network activity plugin
• use the same JSON content-type detection when extracting response bodies, rendering the Response tab, and applying response overrides
• add coverage for application/*+json handling so Rozenite users can inspect JSON responses correctly instead of seeing an empty body

Testing

• pnpm exec vitest run packages/network-activity-plugin/src/utils/tests/getContentTypeMimeType.test.ts packages/network-activity-plugin/src/react-native/nitro-fetch/tests/nitro-network-inspector.test.ts packages/network-activity-plugin/src/react-native/agent/tests/network-activity-agent-state.test.ts
• pnpm --filter @rozenite/network-activity-plugin typecheck

Closes #239.

[vercel]

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
rozenite	Skipped		May 7, 2026 8:31am