20260826 两宿主全线正本/回执/状态 + 协议正本地图v1.2 + 模板/镜面/坑清单（元审计收敛commit；前人未提交改动未碰）

ZCODE-DEV-20260826/public-spine/shell-frozen-src/src-tauri/src/home_status.rs

@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+use crate::direct_local_broker::DirectLocalBrokerState;
+use crate::direct_local_session::{
+    active_session_count_at, active_session_projections_at, direct_session_root,
+    DirectSessionProjection,
+};
+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 direct_sessions: Vec<DirectSessionProjection>,
+    pub code_repository_mount_count: usize,
+    pub pncc_receipt_count: usize,
+    pub update_state: &'static str,
+    pub release_recovery_state: String,
+    pub automatic_upstream_updates: bool,
+    pub mcp_role: &'static str,
+    pub terminal_link_protocol: &'static str,
+    pub terminal_link_transport: &'static str,
+    pub environment_frame_policy: &'static str,
+}
+
+pub fn get_hololake_home_status(
+    app: AppHandle,
+    broker: State<'_, DirectLocalBrokerState>,
+) -> Result<HoloLakeHomeStatus, String> {
+    let broker_ready = broker.ensure_started(&app)?;
+    if !broker_ready {
+        return Ok(HoloLakeHomeStatus {
+            schema: "hololake.home-status/v1",
+            direct_local_broker_state: "WAITING_FOR_LOGIN",
+            direct_connection_count: 0,
+            resumable_session_count: 0,
+            direct_sessions: Vec::new(),
+            code_repository_mount_count: 0,
+            pncc_receipt_count: 0,
+            update_state: release_trust_state()?,
+            release_recovery_state: crate::release_update::release_recovery_state(&app)?,
+            automatic_upstream_updates: false,
+            mcp_role: "DISCOVERY_RECOVERY_COMPATIBILITY_ONLY",
+            terminal_link_protocol: "HOLOLAKE_TERMINAL_LINK/3",
+            terminal_link_transport: if cfg!(windows) {
+                "WINDOWS_USER_PRIVATE_NAMED_PIPE"
+            } else {
+                "MACOS_LINUX_USER_PRIVATE_UNIX_SOCKET"
+            },
+            environment_frame_policy: "REQUIRED_AFTER_CONNECT_RESUME_AND_BEFORE_MUTATION",
+        });
+    }
+    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)?,
+        direct_sessions: active_session_projections_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()?,
+        release_recovery_state: crate::release_update::release_recovery_state(&app)?,
+        automatic_upstream_updates: false,
+        mcp_role: "DISCOVERY_RECOVERY_COMPATIBILITY_ONLY",
+        terminal_link_protocol: "HOLOLAKE_TERMINAL_LINK/3",
+        terminal_link_transport: if cfg!(windows) {
+            "WINDOWS_USER_PRIVATE_NAMED_PIPE"
+        } else {
+            "MACOS_LINUX_USER_PRIVATE_UNIX_SOCKET"
+        },
+        environment_frame_policy: "REQUIRED_AFTER_CONNECT_RESUME_AND_BEFORE_MUTATION",
+    })
+}