terraphim_kg_orchestration 1.0.0

Knowledge graph-based agent orchestration engine for coordinating multi-agent workflows
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

//! Error types for the orchestration engine

use crate::TaskId;
use thiserror::Error;

/// Errors that can occur in the orchestration engine
#[derive(Error, Debug)]
pub enum OrchestrationError {
    #[error("Agent {0} not found")]
    AgentNotFound(String),

    #[error("No suitable agent found for task {0}")]
    NoSuitableAgent(TaskId),

    #[error("Task {0} execution failed: {1}")]
    TaskExecutionFailed(TaskId, String),

    #[error("Workflow execution failed: {0}")]
    WorkflowExecutionFailed(String),

    #[error("Agent pool error: {0}")]
    AgentPoolError(String),

    #[error("Scheduling error: {0}")]
    SchedulingError(String),

    #[error("Coordination error: {0}")]
    CoordinationError(String),

    #[error("Task decomposition error: {0}")]
    TaskDecomposition(#[from] terraphim_task_decomposition::TaskDecompositionError),

    #[error("Serialization error: {0}")]
    Serialization(#[from] serde_json::Error),

    #[error("System error: {0}")]
    System(String),

    #[error("Supervision error: {0}")]
    SupervisionError(String),

    #[error("System error: {0}")]
    SystemError(String),

    #[error("Resource exhausted: {0}")]
    ResourceExhausted(String),

    #[error("Workflow not found: {0}")]
    WorkflowNotFound(String),
}

impl OrchestrationError {
    /// Check if this error is recoverable
    pub fn is_recoverable(&self) -> bool {
        match self {
            OrchestrationError::AgentNotFound(_) => true,
            OrchestrationError::NoSuitableAgent(_) => true,
            OrchestrationError::TaskExecutionFailed(_, _) => true,
            OrchestrationError::WorkflowExecutionFailed(_) => true,
            OrchestrationError::AgentPoolError(_) => true,
            OrchestrationError::SchedulingError(_) => true,
            OrchestrationError::CoordinationError(_) => true,
            OrchestrationError::TaskDecomposition(e) => e.is_recoverable(),
            OrchestrationError::Serialization(_) => false,
            OrchestrationError::System(_) => false,
            OrchestrationError::SupervisionError(_) => true,
            OrchestrationError::SystemError(_) => false,
            OrchestrationError::ResourceExhausted(_) => true,
            OrchestrationError::WorkflowNotFound(_) => false,
        }
    }

    /// Get error category for monitoring
    pub fn category(&self) -> ErrorCategory {
        match self {
            OrchestrationError::AgentNotFound(_) => ErrorCategory::Agent,
            OrchestrationError::NoSuitableAgent(_) => ErrorCategory::Agent,
            OrchestrationError::TaskExecutionFailed(_, _) => ErrorCategory::Execution,
            OrchestrationError::WorkflowExecutionFailed(_) => ErrorCategory::Execution,
            OrchestrationError::AgentPoolError(_) => ErrorCategory::Agent,
            OrchestrationError::SchedulingError(_) => ErrorCategory::Scheduling,
            OrchestrationError::CoordinationError(_) => ErrorCategory::Coordination,
            OrchestrationError::TaskDecomposition(_) => ErrorCategory::TaskDecomposition,
            OrchestrationError::Serialization(_) => ErrorCategory::Serialization,
            OrchestrationError::System(_) => ErrorCategory::System,
            OrchestrationError::SupervisionError(_) => ErrorCategory::System,
            OrchestrationError::SystemError(_) => ErrorCategory::System,
            OrchestrationError::ResourceExhausted(_) => ErrorCategory::System,
            OrchestrationError::WorkflowNotFound(_) => ErrorCategory::System,
        }
    }
}

/// Error categories for monitoring and alerting
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ErrorCategory {
    Agent,
    Execution,
    Scheduling,
    Coordination,
    TaskDecomposition,
    Serialization,
    System,
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_error_recoverability() {
        let recoverable_error = OrchestrationError::AgentNotFound("test_agent".to_string());
        assert!(recoverable_error.is_recoverable());

        let non_recoverable_error = OrchestrationError::System("system failure".to_string());
        assert!(!non_recoverable_error.is_recoverable());
    }

    #[test]
    fn test_error_categorization() {
        let agent_error = OrchestrationError::AgentNotFound("test_agent".to_string());
        assert_eq!(agent_error.category(), ErrorCategory::Agent);

        let execution_error = OrchestrationError::TaskExecutionFailed(
            "test_task".to_string(),
            "execution failed".to_string(),
        );
        assert_eq!(execution_error.category(), ErrorCategory::Execution);
    }
}