vv-agent 0.7.0

VectorVein agent runtime, SDK, CLI, tools, and workspace backends
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130

use std::collections::{BTreeMap, VecDeque};
use std::path::PathBuf;
use std::sync::atomic::{AtomicBool, AtomicU64};
use std::sync::{Arc, Mutex};

use crate::budget::RunBudgetLimits;
use crate::llm::LlmClient;
use crate::runtime::sub_agent_sessions::{
    SubAgentSession, SubAgentSessionListener, SubAgentSessionUnsubscribe,
};
use crate::runtime::sub_task_manager::SubTaskTurnSnapshot;
use crate::runtime::{CancellationToken, RuntimeEventHandler, RuntimeLogHandler, StreamCallback};
use crate::tools::ToolPolicy;
use crate::tools::ToolRegistry;
use crate::types::{AgentTask, SubTaskOutcome};
use crate::workspace::WorkspaceBackend;

use super::types::SubRunLifecycle;
use super::types::{RuntimeSubAgentSessionParts, RuntimeSubAgentSessionState};
use crate::model::ModelProvider;
use crate::model::ModelRef;
use crate::runtime::ExecutionContext;

mod events;
mod execution;
mod projection;
mod state;
mod subscription;

pub(in crate::runtime::sub_agents) struct RuntimeSubAgentSession {
    llm_client: Arc<dyn LlmClient>,
    tool_registry: ToolRegistry,
    workspace_path: PathBuf,
    workspace_backend: Arc<dyn WorkspaceBackend>,
    pub(in crate::runtime::sub_agents) task_template: AgentTask,
    task_id: String,
    agent_name: String,
    session_id: String,
    resolved: BTreeMap<String, String>,
    settings_file: Option<PathBuf>,
    default_backend: Option<String>,
    parent_cancellation_token: Option<CancellationToken>,
    stream_callback: Option<StreamCallback>,
    parent_log_handler: Option<RuntimeLogHandler>,
    parent_event_handler: Option<RuntimeEventHandler>,
    parent_execution_context: Option<ExecutionContext>,
    model_provider: Option<Arc<dyn ModelProvider>>,
    run_model_ref: ModelRef,
    tool_policy: ToolPolicy,
    budget_limits: Option<RunBudgetLimits>,
    lifecycle_template: SubRunLifecycle,
    initial_lifecycle_pending: AtomicBool,
    state: Mutex<RuntimeSubAgentSessionState>,
    running: Mutex<bool>,
    active_cancellation_token: Mutex<Option<CancellationToken>>,
    steering_queue: Arc<Mutex<VecDeque<String>>>,
    listeners: Arc<Mutex<BTreeMap<u64, SubAgentSessionListener>>>,
    next_listener_id: AtomicU64,
}

impl RuntimeSubAgentSession {
    pub(in crate::runtime::sub_agents) fn new(parts: RuntimeSubAgentSessionParts) -> Self {
        let task_id = parts.task_template.task_id.clone();
        let state = RuntimeSubAgentSessionState {
            messages: parts.task_template.initial_messages.clone(),
            shared_state: parts.task_template.initial_shared_state.clone(),
        };
        let lifecycle_template = parts.initial_lifecycle;
        Self {
            llm_client: parts.llm_client,
            tool_registry: parts.tool_registry,
            workspace_path: parts.workspace_path,
            workspace_backend: parts.workspace_backend,
            task_template: parts.task_template,
            task_id,
            agent_name: parts.agent_name,
            session_id: parts.session_id,
            resolved: parts.resolved,
            settings_file: parts.settings_file,
            default_backend: parts.default_backend,
            parent_cancellation_token: parts.parent_cancellation_token,
            stream_callback: parts.stream_callback,
            parent_log_handler: parts.parent_log_handler,
            parent_event_handler: parts.parent_event_handler,
            parent_execution_context: parts.parent_execution_context,
            model_provider: parts.model_provider,
            run_model_ref: parts.run_model_ref,
            tool_policy: parts.tool_policy,
            budget_limits: parts.budget_limits,
            lifecycle_template,
            initial_lifecycle_pending: AtomicBool::new(true),
            state: Mutex::new(state),
            running: Mutex::new(false),
            active_cancellation_token: Mutex::new(None),
            steering_queue: Arc::new(Mutex::new(VecDeque::new())),
            listeners: Arc::new(Mutex::new(BTreeMap::new())),
            next_listener_id: AtomicU64::new(1),
        }
    }
}

impl SubAgentSession for RuntimeSubAgentSession {
    fn steer(&self, prompt: &str) -> Result<(), String> {
        self.queue_steering(prompt)
    }

    fn cancel(&self) -> bool {
        self.cancel_active_run()
    }

    fn sanitize_for_resume(&self) -> usize {
        self.sanitize_state_for_resume()
    }

    fn continue_run(&self, prompt: &str) -> Result<SubTaskOutcome, String> {
        self.run_prompt(prompt, None)
    }

    fn continue_run_with_snapshot(
        &self,
        prompt: &str,
        snapshot: SubTaskTurnSnapshot,
    ) -> Result<SubTaskOutcome, String> {
        self.run_prompt(prompt, Some(snapshot))
    }

    fn subscribe(&self, listener: SubAgentSessionListener) -> Option<SubAgentSessionUnsubscribe> {
        Some(self.subscribe_listener(listener))
    }
}