Add deepResearch runtime helper for comprehensive iterative research

[Copilot]

This PR ports the functionality from https://github.com/dzhng/deep-research to GenAIScript by creating a new deepResearch runtime helper and updating the existing deep-research script.

✨ New Runtime Helper: deepResearch

Added a comprehensive research helper to packages/cli/src/runtime.ts that provides:

• Iterative research with configurable breadth and depth parameters
• Intelligent query generation based on topic and previous learnings
• Web search integration using GenAIScript's existing retrieval APIs
• AI-powered analysis of search results to extract key findings
• Progress tracking with callback support
• Structured report generation with confidence levels and research gaps

import { deepResearch } from "genaiscript/runtime"

const result = await deepResearch({
    topic: "quantum computing advancements 2024",
    breadth: 4,  // Number of search queries per iteration
    depth: 2,    // Number of recursive research rounds
    onProgress: (progress) => console.log(`${progress.completedQueries}/${progress.totalQueries} completed`)
})

🔄 Enhanced Deep Research Script

Updated packages/sample/genaisrc/deep-research.genai.mts to:

• Use the new runtime helper for cleaner, more maintainable code
• Add breadth/depth control parameters inspired by the original repo
• Provide comprehensive progress reporting and statistics
• Generate structured research reports with findings and source quality ratings

Before: Simple iteration-based research with basic web search
After: Sophisticated breadth/depth controlled research with intelligent follow-up questions

📚 Documentation

• Added deepResearch to the runtime helpers list in docs/src/content/docs/reference/scripts/runtime.mdx
• Created comprehensive documentation page at docs/src/content/docs/reference/scripts/deep-research.mdx
• Included usage examples, API reference, best practices, and advanced patterns

🧪 Testing

Added packages/sample/genaisrc/test-deep-research.genai.mts to validate the helper functionality and provide a working example.

Key Features Ported from Original Repo

✅ Breadth & Depth Control - Configure how wide and deep the research goes
✅ Iterative Search - Generate follow-up questions based on findings
✅ Result Analysis - Extract key insights and assess source quality
✅ Progress Tracking - Monitor research progress with callbacks
✅ Structured Reports - Generate comprehensive markdown reports

The implementation maintains the core concepts from the original deep-research repo while integrating seamlessly with GenAIScript's APIs and patterns.

Fixes #1653.

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[pelikhan]

Move to packages/runtime package

[Copilot]

I've moved the deepResearch functionality to packages/cli/src/runtime/deepResearch.ts and updated the main runtime.ts to re-export from this new location. This organizes the runtime helpers in a more structured way while maintaining backward compatibility. Changes committed in 31d5eaa.

[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• cdn.sheetjs.com

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

[pelikhan]

move this types to packages/runtime/deepresearch.ts

[Copilot]

I've moved the types to packages/runtime/deepresearch.ts as requested. The DeepResearchOptions and DeepResearchResult types are now in their own package while the implementation remains in the CLI runtime directory. Changes committed in 6cc1553.

[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• cdn.sheetjs.com
  • Triggering command: node /usr/local/bin/yarn install (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list