lha 1.0.6

Long-Horizon Agent command-line package that installs the lha binary.
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146

use schemars::JsonSchema;
use serde::Deserialize;
use serde::Serialize;
use serde_json::Value;
use ts_rs::TS;

/// Declarative workflow definition attached to an identity.
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub struct WorkflowDefinition {
    pub id: String,
    #[serde(default)]
    pub identity_id: String,
    #[serde(default)]
    pub mode: WorkflowMode,
    pub steps: Vec<WorkflowStepDefinition>,
}

#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq, JsonSchema, TS, Default)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub enum WorkflowMode {
    #[default]
    Sequential,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub struct WorkflowStepDefinition {
    pub id: String,
    pub label: String,
    #[serde(default)]
    pub prompt: String,
    #[serde(default)]
    pub depends_on: Vec<String>,
    pub output_schema: Value,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub allowed_tools: Option<Vec<String>>,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub validators: Vec<WorkflowValidatorDefinition>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
// Validator names are serialized into workflow definitions, so keep the wire names stable.
#[allow(clippy::enum_variant_names)]
pub enum WorkflowValidatorDefinition {
    UniqueIds {
        path: String,
    },
    ReferencesExistingIds {
        from: String,
        target: String,
        target_path: String,
    },
    ReferencesAllIds {
        from: String,
        target: String,
        target_path: String,
    },
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, JsonSchema, TS)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub enum WorkflowStatus {
    NotStarted,
    InProgress,
    Completed,
    Failed,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, JsonSchema, TS)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub struct WorkflowValidationError {
    pub code: String,
    pub path: String,
    pub message: String,
}

impl WorkflowValidationError {
    pub fn new(
        code: impl Into<String>,
        path: impl Into<String>,
        message: impl Into<String>,
    ) -> Self {
        Self {
            code: code.into(),
            path: path.into(),
            message: message.into(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub struct WorkflowRolloutItem {
    pub workflow_id: String,
    pub identity_id: String,
    pub turn_id: String,
    pub event: WorkflowEvent,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub enum WorkflowEvent {
    Started {
        current_step: String,
    },
    ArtifactSubmitted {
        step_id: String,
        artifact: Value,
        artifact_hash: String,
    },
    StepCompleted {
        step_id: String,
        next_step: Option<String>,
    },
    ValidationFailed {
        step_id: String,
        errors: Vec<WorkflowValidationError>,
    },
    Completed,
    Failed {
        reason: String,
    },
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "snake_case")]
#[ts(export_to = "workflow/")]
pub struct WorkflowUpdateEvent {
    pub workflow_id: String,
    pub status: WorkflowStatus,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub current_step: Option<String>,
    pub completed_steps: Vec<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub last_error: Option<WorkflowValidationError>,
}