feat(monitor): store nginx telemetry for generic clients

- accept nginx installation status and sites-enabled list
- persist nginx fields in server state
- expose nginx data in monitor overview/admin views
- auto-migrate new server_states columns on startup

app/api/routers/monitor.py

@@ -180,6 +180,8 @@ class ServerHeartbeat(BaseModel):
     openclaw_version: str | None = None
     plugin_version: str | None = None
     agents: List[dict] = []
+    nginx_installed: bool | None = None
+    nginx_sites: List[str] = []
     cpu_pct: float | None = None
     mem_pct: float | None = None
     disk_pct: float | None = None
@@ -198,6 +200,8 @@ def server_heartbeat(payload: ServerHeartbeat, db: Session = Depends(get_db)):
     st.openclaw_version = payload.openclaw_version
     st.plugin_version = payload.plugin_version
     st.agents_json = json.dumps(payload.agents, ensure_ascii=False)
+    st.nginx_installed = payload.nginx_installed
+    st.nginx_sites_json = json.dumps(payload.nginx_sites, ensure_ascii=False)
     st.cpu_pct = payload.cpu_pct
     st.mem_pct = payload.mem_pct
     st.disk_pct = payload.disk_pct
@@ -213,6 +217,8 @@ class TelemetryPayload(BaseModel):
     openclaw_version: str | None = None
     plugin_version: str | None = None
     agents: List[dict] = []
+    nginx_installed: bool | None = None
+    nginx_sites: List[str] = []
     cpu_pct: float | None = None
     mem_pct: float | None = None
     disk_pct: float | None = None
@@ -241,6 +247,8 @@ def server_heartbeat_v2(
     st.openclaw_version = payload.openclaw_version
     st.plugin_version = payload.plugin_version
     st.agents_json = json.dumps(payload.agents, ensure_ascii=False)
+    st.nginx_installed = payload.nginx_installed
+    st.nginx_sites_json = json.dumps(payload.nginx_sites, ensure_ascii=False)
     st.cpu_pct = payload.cpu_pct
     st.mem_pct = payload.mem_pct
     st.disk_pct = payload.disk_pct

app/main.py

@@ -224,6 +224,12 @@ def _migrate_schema():
         if _has_table(db, "server_states") and not _has_column(db, "server_states", "plugin_version"):
             db.execute(text("ALTER TABLE server_states ADD COLUMN plugin_version VARCHAR(64) NULL"))
 
+        # --- server_states nginx telemetry for generic monitor client ---
+        if _has_table(db, "server_states") and not _has_column(db, "server_states", "nginx_installed"):
+            db.execute(text("ALTER TABLE server_states ADD COLUMN nginx_installed BOOLEAN NULL"))
+        if _has_table(db, "server_states") and not _has_column(db, "server_states", "nginx_sites_json"):
+            db.execute(text("ALTER TABLE server_states ADD COLUMN nginx_sites_json TEXT NULL"))
+
         db.commit()
     except Exception as e:
         db.rollback()

app/models/monitor.py

@@ -52,6 +52,8 @@ class ServerState(Base):
     openclaw_version = Column(String(64), nullable=True)
     plugin_version = Column(String(64), nullable=True)
     agents_json = Column(Text, nullable=True)  # json list
+    nginx_installed = Column(Boolean, nullable=True)
+    nginx_sites_json = Column(Text, nullable=True)  # json list
     cpu_pct = Column(Float, nullable=True)
     mem_pct = Column(Float, nullable=True)
     disk_pct = Column(Float, nullable=True)

app/services/monitoring.py

@@ -304,6 +304,8 @@ def get_server_states_view(db: Session, offline_after_minutes: int = 7):
             'disk_pct': st.disk_pct if st else None,
             'swap_pct': st.swap_pct if st else None,
             'agents': json.loads(st.agents_json) if st and st.agents_json else [],
+            'nginx_installed': st.nginx_installed if st else None,
+            'nginx_sites': json.loads(st.nginx_sites_json) if st and st.nginx_sites_json else [],
             'last_seen_at': last_seen.isoformat() if last_seen else None,
         })
     return out