Refine built-in web app experience

app/core/server_info.py

@@ -7,6 +7,7 @@ from pathlib import Path
 import socket
 
 from app.api.deps import get_master_key
+from app.core.state import state_manager
 
 APP_NAME = "Ignis Core"
 PROJECT_ROOT = Path(__file__).resolve().parents[2]
@@ -58,11 +59,7 @@ def _read_version_file() -> str | None:
 
 
 def get_app_version() -> str:
-    return (
-        _clean_env("IGNIS_BUILD_VERSION")
-        or _read_version_file()
-        or "1.0.0"
-    )
+    return _clean_env("IGNIS_BUILD_VERSION") or _read_version_file() or "1.0.0"
 
 
 def _resolve_git_ref(git_dir: Path, ref_name: str) -> str | None:
@@ -144,7 +141,9 @@ def get_configuration_status(build_info: ServerBuildInfo) -> ServerConfiguration
     master_key_configured = get_master_key() is not None
     public_base_url_configured = _clean_env("IGNIS_PUBLIC_BASE_URL") is not None
     scan_network_configured = _clean_env("SCAN_NETWORK") is not None
-    build_metadata_complete = bool(build_info.version and build_info.git_sha and build_info.build_date)
+    build_metadata_complete = bool(
+        build_info.version and build_info.git_sha and build_info.build_date
+    )
     return ServerConfigurationStatus(
         configured=master_key_configured,
         master_key_configured=master_key_configured,
@@ -166,14 +165,21 @@ def build_server_info(
 ) -> dict:
     payload = {
         "app_name": APP_NAME,
+        "instance_name": get_instance_name(),
         "uptime_seconds": get_uptime_seconds(),
         "diagnostics_visible": include_diagnostics,
     }
     if not include_diagnostics:
+        discovery_snapshot = state_manager.get_discovery_snapshot()
+        if discovery_snapshot:
+            payload["discovery"] = {
+                "last_scan_at": discovery_snapshot["last_scan_at"],
+                "last_scan_mode": discovery_snapshot["last_scan_mode"],
+                "online": discovery_snapshot["summary"].get("online"),
+            }
         return payload
 
     build_info = get_build_info()
-    payload["instance_name"] = get_instance_name()
     payload["timezone"] = os.getenv("APP_TIMEZONE", "Asia/Novosibirsk")
     payload["started_at"] = SERVER_STARTED_AT.isoformat()
     payload["build"] = {
@@ -181,6 +187,13 @@ def build_server_info(
         "git_sha": build_info.git_sha,
         "build_date": build_info.build_date,
     }
+    discovery_snapshot = state_manager.get_discovery_snapshot()
+    if discovery_snapshot:
+        payload["discovery"] = {
+            "last_scan_at": discovery_snapshot["last_scan_at"],
+            "last_scan_mode": discovery_snapshot["last_scan_mode"],
+            **discovery_snapshot["summary"],
+        }
     payload["urls"] = asdict(get_server_urls(observed_base_url))
     payload["configuration"] = asdict(get_configuration_status(build_info))
     return payload