feat: stream workdir command output to consoles

crates/workdir/src/operation.rs

@@ -9,6 +9,11 @@ pub struct CommandRequest {
     pub command: String,
     pub timeout_secs: u64,
     pub output_limit: usize,
+    /// Optional caller-owned correlation id. Bash supplies its tool-call id so
+    /// user-facing command telemetry can update the corresponding Console row
+    /// without exposing provider/session handles.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub tool_call_id: Option<String>,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -24,8 +29,55 @@ pub struct CommandOutputRequest {
 pub enum CommandStatus {
     Running,
     Completed,
-    Cancelled,
     Failed,
+    TimedOut,
+    Cancelled,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum CommandStream {
+    Stdout,
+    Stderr,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
+pub struct CommandStreamSlice {
+    pub start_offset: u64,
+    pub end_offset: u64,
+    pub content: String,
+    pub truncated: bool,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct CommandSnapshot {
+    pub command_id: String,
+    pub tool_call_id: Option<String>,
+    pub status: CommandStatus,
+    pub stdout: CommandStreamSlice,
+    pub stderr: CommandStreamSlice,
+    pub exit_code: Option<i32>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(tag = "kind", rename_all = "snake_case")]
+pub enum CommandEvent {
+    Started {
+        command_id: String,
+        tool_call_id: Option<String>,
+    },
+    Output {
+        command_id: String,
+        stream: CommandStream,
+        start_offset: u64,
+        end_offset: u64,
+        content: String,
+    },
+    Terminal {
+        command_id: String,
+        status: CommandStatus,
+        exit_code: Option<i32>,
+    },
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]