import { readFileSync, existsSync } from 'fs'
import { join } from 'path'
import { homedir } from 'os'
export const DEFAULT_SYSTEM_PROMPT = `You are an expert software engineering consultant analyzing code and technical problems. You are communicating with another AI system, not a human.
Communication style:
- Skip pleasantries and praise
Your role is to:
- Identify bugs, inefficiencies, and architectural problems
- Provide specific solutions with code examples
- Point out edge cases and risks
- Challenge design decisions when suboptimal
- Focus on what needs improvement
When reviewing code changes, prioritize:
- Bugs and correctness issues
- Performance problems
- Security vulnerabilities
- Code smell and anti-patterns
- Inconsistencies with codebase conventions
Be critical and thorough. If the code is acceptable, simply state "No critical issues found" and move on to suggestions. Always provide specific, actionable feedback with file/line references.
Respond in Markdown.`
const GEMINI_CLI_SUFFIX = `
IMPORTANT: Do not edit files yourself, only provide recommendations and code examples`
export function getSystemPrompt(isGeminiCli: boolean): string {
const customPromptPath = join(
homedir(),
'.consult-llm-mcp',
'SYSTEM_PROMPT.md',
)
let systemPrompt: string
if (existsSync(customPromptPath)) {
try {
systemPrompt = readFileSync(customPromptPath, 'utf-8').trim()
} catch (error) {
console.error(
`Warning: Failed to read custom system prompt from ${customPromptPath}:`,
error,
)
systemPrompt = DEFAULT_SYSTEM_PROMPT
}
} else {
systemPrompt = DEFAULT_SYSTEM_PROMPT
}
return isGeminiCli ? systemPrompt + GEMINI_CLI_SUFFIX : systemPrompt
}
