lash-remote-protocol 0.1.0-alpha.52

Versioned remote embedding protocol DTOs for Lash sessions, turns, activities, tools, and LLM calls.
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

#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
pub struct RemoteProtocolTurnOptions {
    #[serde(default = "empty_protocol_turn_payload")]
    pub payload: serde_json::Value,
}

fn empty_protocol_turn_payload() -> serde_json::Value {
    serde_json::Value::Object(serde_json::Map::new())
}

impl Default for RemoteProtocolTurnOptions {
    fn default() -> Self {
        Self {
            payload: empty_protocol_turn_payload(),
        }
    }
}

impl RemoteProtocolTurnOptions {
    pub fn empty() -> Self {
        Self::default()
    }

    pub fn is_empty(&self) -> bool {
        match &self.payload {
            serde_json::Value::Object(map) => map.is_empty(),
            _ => false,
        }
    }
}

#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
pub struct RemoteTurnInput {
    pub protocol_version: u32,
    #[serde(default)]
    pub items: Vec<RemoteInputItem>,
    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
    pub image_blobs_base64: HashMap<String, String>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub protocol_turn_options: Option<RemoteProtocolTurnOptions>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub trace_turn_id: Option<String>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub prompt_layer: Option<RemotePromptLayer>,
}

impl RemoteTurnInput {
    pub fn text(text: impl Into<String>) -> Self {
        Self {
            protocol_version: REMOTE_PROTOCOL_VERSION,
            items: vec![RemoteInputItem::Text { text: text.into() }],
            image_blobs_base64: HashMap::new(),
            protocol_turn_options: None,
            trace_turn_id: None,
            prompt_layer: None,
        }
    }

    pub fn validate(&self) -> Result<(), RemoteProtocolError> {
        ensure_protocol_version(self.protocol_version)?;
        for item in &self.items {
            if let RemoteInputItem::ImageRef { id } = item {
                require_non_empty("RemoteInputItem::ImageRef", "id", id)?;
            }
        }
        for (id, blob) in &self.image_blobs_base64 {
            require_non_empty("RemoteTurnInput", "image_blobs_base64 key", id)?;
            if blob.trim().is_empty() {
                return Err(RemoteProtocolError::InvalidImageBlob {
                    id: id.clone(),
                    message: "base64 payload cannot be empty".to_string(),
                });
            }
        }
        Ok(())
    }
}

#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum RemoteInputItem {
    Text { text: String },
    ImageRef { id: String },
}

#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
pub struct RemoteTurnRequest {
    pub protocol_version: u32,
    pub session_id: String,
    pub turn_id: String,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub idempotency_key: Option<String>,
    pub input: RemoteTurnInput,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub tool_grants: Vec<RemoteToolGrant>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub model_intent: Option<RemoteModelIntent>,
    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
    pub metadata: HashMap<String, serde_json::Value>,
}

impl RemoteTurnRequest {
    pub fn validate(&self) -> Result<(), RemoteProtocolError> {
        ensure_protocol_version(self.protocol_version)?;
        require_non_empty("RemoteTurnRequest", "session_id", &self.session_id)?;
        require_non_empty("RemoteTurnRequest", "turn_id", &self.turn_id)?;
        if self.input.protocol_version != self.protocol_version {
            return Err(RemoteProtocolError::MismatchedNestedProtocolVersion {
                parent: "RemoteTurnRequest",
                child: "input",
                parent_version: self.protocol_version,
                child_version: self.input.protocol_version,
            });
        }
        self.input.validate()?;
        RemoteToolGrant::validate_all(&self.tool_grants)?;
        if let Some(model_intent) = &self.model_intent {
            model_intent.validate()?;
        }
        Ok(())
    }
}

#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
pub struct RemoteTurnResult {
    pub protocol_version: u32,
    pub session_id: String,
    pub turn_id: String,
    pub status: RemoteTurnStatus,
    pub outcome: RemoteTurnOutcome,
    pub assistant_output: RemoteAssistantOutput,
    #[serde(default)]
    pub usage: RemoteTurnUsageSummary,
    #[serde(default)]
    pub execution: RemoteExecutionSummary,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub tool_calls: Vec<RemoteToolCallSummary>,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub issues: Vec<RemoteTurnIssue>,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub activities: Vec<RemoteTurnActivity>,
    #[serde(default, skip_serializing_if = "HashMap::is_empty")]
    pub metadata: HashMap<String, serde_json::Value>,
}