deepseek-tui 0.3.32

Terminal UI for DeepSeek
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// TODO(integrate): Move prompt building from engine into this module — tracked as future refactoring
#![allow(dead_code)]

//! System prompts for different modes.
//! NOTE: Prompt building is currently handled directly in engine - these are for future refactoring.

use crate::models::SystemPrompt;
use crate::project_context::{ProjectContext, load_project_context_with_parents};
use crate::tui::app::AppMode;
use std::path::Path;

// Prompt files loaded at compile time
pub const BASE_PROMPT: &str = include_str!("prompts/base.txt");
#[allow(dead_code)]
pub const NORMAL_PROMPT: &str = include_str!("prompts/normal.txt");
pub const AGENT_PROMPT: &str = include_str!("prompts/agent.txt");
pub const YOLO_PROMPT: &str = include_str!("prompts/yolo.txt");
pub const PLAN_PROMPT: &str = include_str!("prompts/plan.txt");

fn mode_prompt(mode: AppMode) -> &'static str {
    match mode {
        AppMode::Agent => AGENT_PROMPT,
        AppMode::Yolo => YOLO_PROMPT,
        AppMode::Plan => PLAN_PROMPT,
    }
}

fn compose_mode_prompt(mode: AppMode) -> String {
    format!("{}\n\n{}", BASE_PROMPT.trim(), mode_prompt(mode).trim())
}

/// Get the system prompt for a specific mode
pub fn system_prompt_for_mode(mode: AppMode) -> SystemPrompt {
    SystemPrompt::Text(compose_mode_prompt(mode))
}

/// Get the system prompt for a specific mode with project context
pub fn system_prompt_for_mode_with_context(
    mode: AppMode,
    workspace: &Path,
    working_set_summary: Option<&str>,
) -> SystemPrompt {
    let mode_prompt = compose_mode_prompt(mode);

    // Load project context from workspace
    let project_context = load_project_context_with_parents(workspace);

    // Combine base prompt with project context
    let mut full_prompt = if let Some(project_block) = project_context.as_system_block() {
        format!("{}\n\n{}", mode_prompt, project_block)
    } else {
        // Fallback: Generate an automatic project map summary
        let summary = crate::utils::summarize_project(workspace);
        let tree = crate::utils::project_tree(workspace, 2); // Shallow tree for prompt
        format!(
            "{}\n\n### Project Structure (Automatic Map)\n**Summary:** {}\n\n**Tree:**\n```\n{}\n```",
            mode_prompt, summary, tree
        )
    };

    if let Some(summary) = working_set_summary
        && !summary.trim().is_empty()
    {
        full_prompt = format!("{full_prompt}\n\n{summary}");
    }

    // Add compaction instruction for agent modes
    if matches!(mode, AppMode::Agent | AppMode::Yolo) {
        full_prompt.push_str(
            "\n\n## Context Management\n\n\
             When the conversation gets long (you'll see a context usage indicator), you can:\n\
             1. Use `/compact` to summarize earlier context and free up space\n\
             2. The system will preserve important information (files you're working on, recent messages, tool results)\n\
             3. After compaction, you'll see a summary of what was discussed and can continue seamlessly\n\n\
             If you notice context is getting long (>80%), proactively suggest using `/compact` to the user."
        );
    }

    SystemPrompt::Text(full_prompt)
}

/// Build a system prompt with explicit project context
pub fn build_system_prompt(base: &str, project_context: Option<&ProjectContext>) -> SystemPrompt {
    let full_prompt =
        match project_context.and_then(super::project_context::ProjectContext::as_system_block) {
            Some(project_block) => format!("{}\n\n{}", base.trim(), project_block),
            None => base.trim().to_string(),
        };
    SystemPrompt::Text(full_prompt)
}

// Legacy functions for backwards compatibility
pub fn base_system_prompt() -> SystemPrompt {
    SystemPrompt::Text(BASE_PROMPT.trim().to_string())
}

pub fn normal_system_prompt() -> SystemPrompt {
    system_prompt_for_mode(AppMode::Agent)
}

pub fn agent_system_prompt() -> SystemPrompt {
    system_prompt_for_mode(AppMode::Agent)
}

pub fn yolo_system_prompt() -> SystemPrompt {
    system_prompt_for_mode(AppMode::Yolo)
}

pub fn plan_system_prompt() -> SystemPrompt {
    system_prompt_for_mode(AppMode::Plan)
}