GSoC 2026 Proposal: Open Responses & Generative UI — Shridhar Panigrahi

[sridhar-panigrahi]

Summary

GSoC 2026 application for Idea 5: Open Responses Protocol Support & Generative UI Rendering Engine.

This proposal builds on top of the work I've already done for API Dash:

• Idea Doc: PR docs: GSoC 2026 idea doc — Open Responses & Generative UI #1321 (merged) — detailed architecture, code examples, PoC screenshots, and video demos
• Proof of Concept: PR feat: PoC — Open Responses structured viewer + A2UI component renderer #1358 — ~1,000 lines across 7 new files and 11 modified files, implementing Open Responses parsing with sealed classes, structured response viewer, and A2UI component renderer
• Custom OpenAI Provider: PR feat: add custom OpenAI-compatible LLM provider support #1290 — added support for OpenAI-compatible LLM providers (Groq, OpenRouter, Mistral, etc.)
• Input Validation: PR fix: add validation for empty API key and endpoint URL in AI Model Selector #1279 — validation for empty API key and endpoint URL in AI Model Selector dialog

What the proposal covers

1. Open Responses Production Parser — extending the PoC's sealed class models to handle all output types (images, files, refusals) with full test coverage
2. Streaming with Typed SSE Events — a state machine that routes response.output_text.delta, response.function_call_arguments.delta, etc. to the right output item cards progressively
3. Conversation Chaining — linking multi-turn agentic requests via previous_response_id into a connected timeline view
4. A2UI Component Renderer — expanding the PoC's 10 component types to 20+ with interactive state, data binding, and event logging
5. DashBot Integration — rendering structured AI responses and A2UI components inline in DashBot chat

PoC Demos

• Open Responses Viewer: https://youtu.be/paN-KGIhNms
• A2UI Renderer: https://youtu.be/T2KbHth736U

Related

• Idea 5 Discussion: Discussion on #5 - Open Responses & Generative UI #1227
• Idea Doc: docs: GSoC 2026 idea doc — Open Responses & Generative UI #1321
• PoC Implementation: feat: PoC — Open Responses structured viewer + A2UI component renderer #1358
• Custom OpenAI Provider: feat: add custom OpenAI-compatible LLM provider support #1290
• Input Validation: fix: add validation for empty API key and endpoint URL in AI Model Selector #1279

[sridhar-panigrahi]

@animator , please let me know your thoughts on this !