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matrixcode_core/tools/
plan_mode.rs

1use anyhow::Result;
2use async_trait::async_trait;
3use serde_json::{Value, json};
4use std::sync::Arc;
5use tokio::sync::Mutex;
6
7use super::{Tool, ToolDefinition};
8use crate::approval::RiskLevel;
9
10/// Planning mode state
11#[derive(Debug, Clone, PartialEq)]
12pub enum PlanState {
13    None,
14    Active,
15    Committed,
16}
17
18/// Plan info
19#[derive(Debug, Clone)]
20pub struct PlanInfo {
21    pub state: PlanState,
22    pub plan_content: String,
23    pub files_to_modify: Vec<String>,
24    pub created_at: Option<std::time::Instant>,
25}
26
27static PLAN_STATE: std::sync::OnceLock<Arc<Mutex<PlanInfo>>> = std::sync::OnceLock::new();
28
29fn get_plan_state() -> Arc<Mutex<PlanInfo>> {
30    PLAN_STATE
31        .get_or_init(|| {
32            Arc::new(Mutex::new(PlanInfo {
33                state: PlanState::None,
34                plan_content: String::new(),
35                files_to_modify: Vec::new(),
36                created_at: None,
37            }))
38        })
39        .clone()
40}
41
42/// EnterPlanMode tool - enter planning mode for designing implementation
43pub struct EnterPlanModeTool;
44
45#[async_trait]
46impl Tool for EnterPlanModeTool {
47    fn definition(&self) -> ToolDefinition {
48        ToolDefinition {
49            name: "enter_plan_mode".to_string(),
50            description: "进入规划模式,在执行前设计实现方案。适用于:(1) 需规划的非 trivial 实现任务;(2) 可受益于架构考量的问题;(3) 可能产生重大影响的变更。返回分步计划并识别关键文件。".to_string(),
51            parameters: json!({
52                "type": "object",
53                "properties": {}
54            }),
55        }
56    }
57
58    fn risk_level(&self) -> RiskLevel {
59        RiskLevel::Safe // Read-only mode
60    }
61
62    async fn execute(&self, _params: Value) -> Result<String> {
63        let plan = get_plan_state();
64        let mut state = plan.lock().await;
65
66        if state.state == PlanState::Active {
67            return Ok(
68                "Already in plan mode. Continue planning or use exit_plan_mode to finish."
69                    .to_string(),
70            );
71        }
72
73        state.state = PlanState::Active;
74        state.plan_content = String::new();
75        state.files_to_modify = Vec::new();
76        state.created_at = Some(std::time::Instant::now());
77
78        Ok("Entered plan mode. Design your implementation approach:\n\n1. Analyze the task requirements\n2. Identify key files and components\n3. Consider architectural trade-offs\n4. Create step-by-step implementation plan\n5. Use exit_plan_mode to commit and execute\n\nNote: In plan mode, focus on analysis and design. Tool executions will be limited to read-only operations.".to_string())
79    }
80}
81
82/// ExitPlanMode tool - exit planning mode and commit plan
83pub struct ExitPlanModeTool;
84
85#[async_trait]
86impl Tool for ExitPlanModeTool {
87    fn definition(&self) -> ToolDefinition {
88        ToolDefinition {
89            name: "exit_plan_mode".to_string(),
90            description: "退出规划模式。若计划被批准,代理将执行计划的变更;若被拒绝,计划将被丢弃且不做任何修改。".to_string(),
91            parameters: json!({
92                "type": "object",
93                "properties": {
94                    "plan": {
95                        "type": "string",
96                        "description": "要提交的实现计划(可选,若已记录)"
97                    },
98                    "files_to_modify": {
99                        "type": "array",
100                        "items": {"type": "string"},
101                        "description": "将要修改的文件列表(可选)"
102                    },
103                    "approved": {
104                        "type": "boolean",
105                        "default": true,
106                        "description": "是否批准执行计划"
107                    }
108                }
109            }),
110        }
111    }
112
113    fn risk_level(&self) -> RiskLevel {
114        RiskLevel::Mutating
115    }
116
117    async fn execute(&self, params: Value) -> Result<String> {
118        let plan_content = params["plan"].as_str();
119        let files_to_modify = params["files_to_modify"].as_array().map(|arr| {
120            arr.iter()
121                .filter_map(|v| v.as_str().map(|s| s.to_string()))
122                .collect::<Vec<_>>()
123        });
124        let approved = params["approved"].as_bool().unwrap_or(true);
125
126        let plan = get_plan_state();
127        let mut state = plan.lock().await;
128
129        if state.state != PlanState::Active {
130            return Ok("Not in plan mode. Use enter_plan_mode first.".to_string());
131        }
132
133        // Update plan content if provided
134        if let Some(content) = plan_content {
135            state.plan_content = content.to_string();
136        }
137        if let Some(files) = files_to_modify {
138            state.files_to_modify = files;
139        }
140
141        if approved {
142            state.state = PlanState::Committed;
143
144            let files_str = if state.files_to_modify.is_empty() {
145                "No specific files identified".to_string()
146            } else {
147                state.files_to_modify.join(", ")
148            };
149
150            Ok(format!(
151                "Plan committed. Ready to execute.\n\nPlan: {}\nFiles to modify: {}\n\nNow proceeding with implementation...",
152                state.plan_content, files_str
153            ))
154        } else {
155            state.state = PlanState::None;
156            state.plan_content.clear();
157            state.files_to_modify.clear();
158
159            Ok(
160                "Plan rejected and discarded. Returning to normal mode without making changes."
161                    .to_string(),
162            )
163        }
164    }
165}
166
167/// Check if currently in plan mode
168pub fn is_in_plan_mode() -> bool {
169    // This is a synchronous check - for async use get_plan_state().lock().await
170    false // Placeholder - real check would need async context
171}
172
173/// Get current plan state (async)
174pub async fn get_current_plan_state() -> PlanState {
175    let plan = get_plan_state();
176    let state = plan.lock().await;
177    state.state.clone()
178}