feat(hololake): implement GHS-014 stage-one home

product-source/hololake-native-desktop/src-tauri/src/home_status.rs

@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+use crate::direct_local_broker::DirectLocalBrokerHandle;
+use crate::direct_local_session::{active_session_count_at, direct_session_root};
+use crate::pncc_receipt_projection::{pncc_projection_root, projection_event_count_at};
+use crate::pncc_repository_binding::{mounted_repository_count_at, pncc_repository_mount_root};
+use crate::release_trust::release_trust_state;
+use serde::Serialize;
+use tauri::{AppHandle, State};
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct HoloLakeHomeStatus {
+    pub schema: &'static str,
+    pub direct_local_broker_state: &'static str,
+    pub direct_connection_count: usize,
+    pub resumable_session_count: usize,
+    pub code_repository_mount_count: usize,
+    pub pncc_receipt_count: usize,
+    pub update_state: &'static str,
+    pub automatic_upstream_updates: bool,
+    pub mcp_role: &'static str,
+}
+
+#[tauri::command]
+pub fn get_hololake_home_status(
+    app: AppHandle,
+    broker: State<'_, DirectLocalBrokerHandle>,
+) -> Result<HoloLakeHomeStatus, String> {
+    let session_root = direct_session_root(&app)?;
+    let mount_root = pncc_repository_mount_root(&app)?;
+    let projection_root = pncc_projection_root(&app)?;
+    Ok(HoloLakeHomeStatus {
+        schema: "hololake.home-status/v1",
+        direct_local_broker_state: "READY",
+        direct_connection_count: broker.active_connection_count(),
+        resumable_session_count: active_session_count_at(&session_root)?,
+        code_repository_mount_count: mounted_repository_count_at(&mount_root)?,
+        pncc_receipt_count: projection_event_count_at(&projection_root)?,
+        update_state: release_trust_state()?,
+        automatic_upstream_updates: false,
+        mcp_role: "DISCOVERY_RECOVERY_COMPATIBILITY_ONLY",
+    })
+}