WP-10: OS and package inventory

Debian inspector (dpkg-query, apt-get -s upgrade, snap list, os-release,
reboot-required) behind a CommandRunner port with tested parsers, fake
inspector for dev, persisted inventory snapshot, package_refresh job,
/api/system/inventory, Updates page with OS card, summary and filterable
package table.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

backend/crates/api/src/test_support.rs

@@ -4,7 +4,6 @@ use std::sync::{Arc, Mutex};
 use application::{JobHandler, JobLog, JobRunner};
 use async_trait::async_trait;
 use axum::Router;
-use domain::jobs::JobKind;
 use domain::ports::Mailer;
 use domain::settings::SmtpSettings;
 use domain::DomainError;
@@ -49,6 +48,7 @@ pub fn sent_mails(_app: &Router) -> Vec<(Vec<String>, String, String)> {
     SENT.lock().unwrap().clone()
 }
 
+/// Test handler for kinds without a real implementation yet.
 pub struct TestJob;
 
 #[async_trait]
@@ -60,7 +60,7 @@ impl JobHandler for TestJob {
 }
 
 pub fn register_test_jobs(runner: JobRunner) -> JobRunner {
-    runner.register(JobKind::PackageRefresh, Arc::new(TestJob))
+    runner
 }
 
 pub async fn build_test_app() -> Router {
@@ -79,8 +79,14 @@ async fn build_test_app_with(cfg: Config) -> Router {
     let pool = infrastructure::connect(&cfg.database_url)
         .await
         .expect("db");
-    let state = AppState::with_adapters(cfg, pool, Arc::new(RecordingMailer), register_test_jobs)
-        .expect("state");
+    let state = AppState::with_adapters(
+        cfg,
+        pool,
+        Arc::new(RecordingMailer),
+        Arc::new(infrastructure::FakeHostInspector),
+        register_test_jobs,
+    )
+    .expect("state");
     state.bootstrap().await.expect("bootstrap");
     build_app(state)
 }