Reasoning Mode

// GET /api/reasoning?q=your_query&language=English

const response = await deepseek.chat.completions.create({
  model: REASON_MODEL || "deepseek-reasoner",
  messages: [
    {
      role: "system",
      content: `You are a helpful reasoner, acting as the **initial explorer** 
               for a Search Agent. Your role is to **define the search strategy**, 
               not to find the answer itself.`
    },
    {
      role: "user",
      content: `The user query is: ${query}. Please provide your search 
               strategy and explanation plan. Your answer should start with 
               <think> and end with </think>`
    }
  ],
  stream: true  // Real-time streaming
});

// Client receives reasoning chunks in real-time
res.setHeader('Content-Type', 'text/event-stream');

for await (const chunk of reasoningResponse) {
  const content = chunk.choices?.[0]?.delta.content;
  if (content) {
    reasoning += content;
    res.write(`data: ${JSON.stringify({ content })}\n\n`);
  }
}

// Send complete reasoning
res.write(`data: ${JSON.stringify({ complete: true, reasoning })}\n\n`);

// POST /api/search with reasoning context

const searchPrompt = `Following reasoning analysis:
${reasoning}

to search and answer Query: ${query}`;

const result = await chat.sendMessage(searchPrompt);

// Environment variables
REASON_MODEL=deepseek-reasoner
REASON_MODEL_API_URL=https://api.deepseek.com/v1
REASON_MODEL_API_KEY=your_api_key

// Server initialization
const deepseek = new OpenAI({
  baseURL: process.env.REASON_MODEL_API_URL,
  apiKey: process.env.REASON_MODEL_API_KEY,
});

model: genAI.getGenerativeModel({
  model: "gemini-2.0-flash",
  generationConfig: {
    temperature: 1.0,      // Balanced creativity
    topP: 0.95,            // Top 95% probability mass
    topK: 40,              // Consider top 40 tokens
    maxOutputTokens: 65536 // Full output capacity
  },
  systemInstruction: systemPrompts.reasoning_mode
})

<think>
This query requires a multi-faceted analysis. Let me break down the search
strategy:

## Information Needs:

1. **Definition & Models**: What is UBI? What are the different UBI models
   proposed (full vs partial, conditional vs unconditional)?

2. **Economic Theory**: 
   - Labor market effects (work incentives, labor supply)
   - Inflation concerns (demand-pull inflation from increased purchasing power)
   - Funding mechanisms (taxation, government spending reallocation)

3. **Empirical Evidence**:
   - Pilot programs (Finland, Kenya, Stockton CA)
   - Historical experiments (Alaska Permanent Fund)
   - Research findings and outcomes

4. **Stakeholder Perspectives**:
   - Economist viewpoints (pro and con)
   - Business community concerns
   - Social welfare advocates

## Search Strategy:

Perform searches on:
1. "universal basic income economic impact research"
2. "UBI pilot programs results Finland Kenya Stockton"
3. "UBI inflation concerns economic theory"
4. "UBI labor market effects work incentives"
5. "UBI funding mechanisms taxation models"
6. "economists debate universal basic income"
7. "Alaska permanent fund dividend economic effects"
8. "UBI pros and cons comprehensive analysis"

## Explanation Structure:

1. **Introduction**: Define UBI and its core principles
2. **Theoretical Economic Effects**:
   - Labor supply and demand
   - Inflation and pricing
   - GDP and growth implications
3. **Empirical Evidence**: Review pilot program outcomes
4. **Implementation Challenges**: Funding, transition, political feasibility
5. **Balanced Conclusion**: Summarize potential benefits and risks
</think>

Following reasoning analysis:
[Reasoning output from previous tab]

to search and answer Query: How would implementing universal basic income
affect the economy?