File size: 5,992 Bytes
afa0cbf | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | use schemars::JsonSchema;
use serde::Deserialize;
use serde::Deserializer;
use serde::Serialize;
use serde::de::Error as _;
use serde_json::Value as JsonValue;
use std::collections::HashMap;
use ts_rs::TS;
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "camelCase")]
#[ts(tag = "type", export_to = "v2/")]
pub enum DynamicToolSpec {
Function(DynamicToolFunctionSpec),
Namespace(DynamicToolNamespaceSpec),
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct DynamicToolFunctionSpec {
pub name: String,
pub description: String,
pub input_schema: JsonValue,
#[serde(default, skip_serializing_if = "std::ops::Not::not")]
pub defer_loading: bool,
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct DynamicToolNamespaceSpec {
pub name: String,
pub description: String,
pub tools: Vec<DynamicToolNamespaceTool>,
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "camelCase")]
#[ts(tag = "type", export_to = "v2/")]
pub enum DynamicToolNamespaceTool {
Function(DynamicToolFunctionSpec),
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
pub struct DynamicToolCallRequest {
pub call_id: String,
pub turn_id: String,
#[serde(default)]
pub started_at_ms: i64,
#[serde(default)]
pub namespace: Option<String>,
pub tool: String,
pub arguments: JsonValue,
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
pub struct DynamicToolResponse {
pub content_items: Vec<DynamicToolCallOutputContentItem>,
pub success: bool,
}
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "camelCase")]
#[ts(tag = "type")]
pub enum DynamicToolCallOutputContentItem {
#[serde(rename_all = "camelCase")]
InputText { text: String },
#[serde(rename_all = "camelCase")]
InputImage { image_url: String },
#[serde(rename_all = "camelCase")]
InputAudio { audio_url: String },
}
/// Former flat `SessionMeta` shape, including the old `exposeToContext` flag.
/// Kept so new builds can resume sessions written before explicit namespaces.
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
struct LegacyDynamicToolSpec {
namespace: Option<String>,
name: String,
description: String,
input_schema: JsonValue,
defer_loading: Option<bool>,
expose_to_context: Option<bool>,
}
pub fn normalize_dynamic_tool_specs(
values: Vec<JsonValue>,
) -> Result<Vec<DynamicToolSpec>, serde_json::Error> {
let has_legacy_fields = |value: &JsonValue| {
value.get("namespace").is_some()
|| value.get("exposeToContext").is_some()
|| value.get("type").is_none()
};
let has_legacy_format = values.iter().any(|value| {
has_legacy_fields(value)
|| value
.get("tools")
.and_then(JsonValue::as_array)
.is_some_and(|tools| tools.iter().any(&has_legacy_fields))
});
let has_canonical_format = values.iter().any(|value| value.get("type").is_some());
if has_legacy_format && has_canonical_format {
return Err(serde_json::Error::custom(
"dynamic tools must use either canonical or legacy format consistently",
));
}
if !has_legacy_format {
return values.into_iter().map(serde_json::from_value).collect();
}
let tools = values
.into_iter()
.map(|value| {
let tool: LegacyDynamicToolSpec = serde_json::from_value(value)?;
let function = DynamicToolFunctionSpec {
name: tool.name,
description: tool.description,
input_schema: tool.input_schema,
defer_loading: tool.defer_loading.unwrap_or_else(|| {
tool.expose_to_context
.map(|visible| !visible)
.unwrap_or(false)
}),
};
Ok((tool.namespace, function))
})
.collect::<Result<Vec<_>, serde_json::Error>>()?;
Ok(group_dynamic_tools_by_namespace(tools))
}
pub fn group_dynamic_tools_by_namespace(
tools: Vec<(Option<String>, DynamicToolFunctionSpec)>,
) -> Vec<DynamicToolSpec> {
let mut grouped_tools = Vec::with_capacity(tools.len());
let mut namespace_indices = HashMap::<String, usize>::new();
for (namespace, function) in tools {
let Some(namespace) = namespace else {
grouped_tools.push(DynamicToolSpec::Function(function));
continue;
};
let function = DynamicToolNamespaceTool::Function(function);
if let Some(index) = namespace_indices.get(&namespace).copied() {
let DynamicToolSpec::Namespace(namespace) = &mut grouped_tools[index] else {
unreachable!("namespace index must point to a namespace");
};
namespace.tools.push(function);
continue;
}
namespace_indices.insert(namespace.clone(), grouped_tools.len());
grouped_tools.push(DynamicToolSpec::Namespace(DynamicToolNamespaceSpec {
name: namespace,
description: String::new(),
tools: vec![function],
}));
}
grouped_tools
}
pub fn deserialize_dynamic_tool_specs<'de, D>(
deserializer: D,
) -> Result<Option<Vec<DynamicToolSpec>>, D::Error>
where
D: Deserializer<'de>,
{
let Some(values) = Option::<Vec<JsonValue>>::deserialize(deserializer)? else {
return Ok(None);
};
normalize_dynamic_tool_specs(values)
.map(Some)
.map_err(D::Error::custom)
}
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