desktop: put this computer health first

The Agent now owns one local view of machine health and top processes. RedFlag opens at dashboard scale, names itself plainly, and renders that evidence before updates.\n\nCI now compiles the Tauri bridge before release day.

desktop/src/main.rs

@@ -122,11 +122,82 @@ struct ScanSnapshot {
     updates: Vec<UpdateItem>,
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+struct SystemSnapshot {
+    system: SystemInfo,
+    #[serde(default)]
+    top_processes: Vec<TopProcess>,
+    collected_at: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct SystemInfo {
+    hostname: String,
+    os_type: String,
+    os_version: String,
+    os_architecture: String,
+    ip_address: String,
+    cpu_info: CpuInfo,
+    memory_info: MemoryInfo,
+    #[serde(default)]
+    disk_info: Vec<DiskInfo>,
+    running_processes: i64,
+    uptime: String,
+    reboot_required: bool,
+    #[serde(default)]
+    reboot_reason: String,
+    #[serde(default)]
+    device_type: String,
+    #[serde(default)]
+    device_model: String,
+    #[serde(default)]
+    os_distro: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct CpuInfo {
+    model_name: String,
+    cores: i64,
+    threads: i64,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct MemoryInfo {
+    total: u64,
+    available: u64,
+    used: u64,
+    used_percent: f64,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct DiskInfo {
+    mountpoint: String,
+    total: u64,
+    available: u64,
+    used: u64,
+    used_percent: f64,
+    filesystem: String,
+    is_root: bool,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct TopProcess {
+    name: String,
+    pid: i64,
+    cpu: f64,
+    mem: f64,
+}
+
 #[tauri::command]
 fn list_updates() -> Result<ScanSnapshot, String> {
     local_get_json("/v1/packages")
 }
 
+#[tauri::command]
+fn system_health() -> Result<SystemSnapshot, String> {
+    local_get_json("/v1/system")
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 struct TriggerScanResponse {
     accepted: bool,
@@ -368,6 +439,7 @@ fn main() {
     tauri::Builder::default()
         .invoke_handler(tauri::generate_handler![
             local_status,
+            system_health,
             list_updates,
             trigger_scan,
             approve_update

desktop/tauri.conf.json

@@ -12,11 +12,11 @@
     "windows": [
       {
         "label": "main",
-        "title": "RedFlag Local Agent",
-        "width": 460,
-        "height": 640,
-        "minWidth": 400,
-        "minHeight": 520,
+        "title": "RedFlag",
+        "width": 980,
+        "height": 760,
+        "minWidth": 760,
+        "minHeight": 620,
         "resizable": true,
         "visible": true
       }