chore: import upstream snapshot with attribution

crates/jcode-batch-types/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "jcode-batch-types"
+version = "0.1.0"
+edition = "2024"
+publish = false
+
+[dependencies]
+jcode-message-types = { path = "../jcode-message-types" }
+serde = { version = "1", features = ["derive"] }

crates/jcode-batch-types/src/lib.rs

@@ -0,0 +1,37 @@
+use jcode_message_types::ToolCall;
+use serde::{Deserialize, Serialize};
+
+/// Progress update from a running batch tool call
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum BatchSubcallState {
+    Running,
+    Succeeded,
+    Failed,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct BatchSubcallProgress {
+    pub index: usize,
+    pub tool_call: ToolCall,
+    pub state: BatchSubcallState,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct BatchProgress {
+    pub session_id: String,
+    /// Parent tool_call_id of the batch call
+    pub tool_call_id: String,
+    /// Total number of sub-calls in this batch
+    pub total: usize,
+    /// Number of sub-calls that have completed (success or error)
+    pub completed: usize,
+    /// Name of the sub-call that just completed
+    pub last_completed: Option<String>,
+    /// Sub-calls that are currently still running
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub running: Vec<ToolCall>,
+    /// Ordered per-subcall progress state for richer UI rendering
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub subcalls: Vec<BatchSubcallProgress>,
+}