//! 分支摘要与结构化摘要 prompt
/// 摘要模型的系统提示词：只输出结构化摘要，不继续对话。
pub const SUMMARIZATION_SYSTEM_PROMPT: &str = "You are a context summarization assistant. Your task is to read a conversation between a user and an AI assistant, then produce a structured summary following the exact format specified.
Do NOT continue the conversation. Do NOT respond to any questions in the conversation. ONLY output the structured summary.";
/// 压缩上下文用的提示词：把上面的对话整理成结构化检查点摘要。
pub const SUMMARIZATION_PROMPT: &str = "The messages above are a conversation to summarize. Create a structured context checkpoint summary that another LLM will use to continue the work.
Use this EXACT format:
## Goal
[What is the user trying to accomplish? Can be multiple items if the session covers different tasks.]
## Constraints & Preferences
- [Any constraints, preferences, or requirements mentioned by user]
- [Or \"(none)\" if none were mentioned]
## Progress
### Done
- [x] [Completed tasks/changes]
### In Progress
- [ ] [Current work]
### Blocked
- [Issues preventing progress, if any]
## Key Decisions
- **[Decision]**: [Brief rationale]
## Next Steps
1. [Ordered list of what should happen next]
## Critical Context
- [Any data, examples, or references needed to continue]
- [Or \"(none)\" if not applicable]
Keep each section concise. Preserve exact file paths, function names, and error messages.";
/// 生成分支摘要的提示词：为稍后返回该分支保留结构化上下文。
pub const BRANCH_SUMMARY_PROMPT: &str = "Create a structured summary of this conversation branch for context when returning later.\n\nUse this EXACT format:\n\n## Goal\n[What was the user trying to accomplish in this branch?]\n\n## Constraints & Preferences\n- [Any constraints, preferences, or requirements mentioned]\n- [Or \"(none)\" if none were mentioned]\n\n## Progress\n### Done\n- [x] [Completed tasks/changes]\n\n### In Progress\n- [ ] [Work that was started but not finished]\n\n### Blocked\n- [Issues preventing progress, if any]\n\n## Key Decisions\n- **[Decision]**: [Brief rationale]\n\n## Next Steps\n1. [What should happen next to continue this work]\n\nKeep each section concise. Preserve exact file paths, function names, and error messages.";
/// 把分支摘要插回主对话时的前言，说明此前探索过别的分支。
pub const BRANCH_SUMMARY_PREAMBLE: &str = "The user explored a different conversation branch before returning here.\nSummary of that exploration:\n\n";
/// 增量压缩提示词：把新消息合并进已有的结构化摘要。
pub const UPDATE_SUMMARIZATION_PROMPT: &str = "The messages above are NEW conversation messages to incorporate into the existing summary provided in <previous-summary> tags.
Update the existing structured summary with new information. RULES:
- PRESERVE all existing information from the previous summary
- ADD new progress, decisions, and context from the new messages
- UPDATE the Progress section: move items from \"In Progress\" to \"Done\" when completed
- UPDATE \"Next Steps\" based on what was accomplished
- PRESERVE exact file paths, function names, and error messages
- If something is no longer relevant, you may remove it
Use this EXACT format:
## Goal
[Preserve existing goals, add new ones if the task expanded]
## Constraints & Preferences
- [Preserve existing, add new ones discovered]
## Progress
### Done
- [x] [Include previously done items AND newly completed items]
### In Progress
- [ ] [Current work - update based on progress]
### Blocked
- [Current blockers - remove if resolved]
## Key Decisions
- **[Decision]**: [Brief rationale] (preserve all previous, add new)
## Next Steps
1. [Update based on current state]
## Critical Context
- [Preserve important context, add new if needed]
Keep each section concise. Preserve exact file paths, function names, and error messages.";
/// 生成摘要 prompt（无前次摘要时用 SUMMARIZATION_PROMPT，有则用 UPDATE 版本增量更新）
pub fn build_summary_prompt(
previous_summary: Option<&str>,
custom_instructions: Option<&str>,
) -> String {
let mut prompt = String::new();
if let Some(prev) = previous_summary {
prompt.push_str(&format!(
"<previous-summary>\n{}\n</previous-summary>\n\n",
prev
));
}
if let Some(ci) = custom_instructions {
prompt.push_str(&format!(
"Additional instructions for this summary:\n{}\n\n",
ci
));
}
if previous_summary.is_some() {
prompt.push_str(UPDATE_SUMMARIZATION_PROMPT);
} else {
prompt.push_str(SUMMARIZATION_PROMPT);
}
prompt
}