include more link layer mirrors

backend/src/api/network_api.py

@@ -100,6 +100,11 @@ class BridgeMemberLinkStateInfo(BaseModel):
     admin_up: Optional[bool] = Field(None, description="Whether the interface has IFF_UP set.")
     carrier_up: Optional[bool] = Field(None, description="Whether the interface currently reports carrier.")
     operstate: Optional[str] = Field(None, description="Kernel operational state string.")
+    mtu: Optional[int] = Field(None, description="Current interface MTU.")
+    ethernet_profile: Optional[Dict[str, Any]] = Field(
+        None,
+        description="Current speed/duplex/autoneg profile when available.",
+    )
     link_ready: bool = Field(..., description="Whether the member currently looks usable for forwarding.")
     suppressed: bool = Field(..., description="Whether the watcher administratively suppressed this member.")
 
@@ -115,6 +120,10 @@ class BridgeLinkStateWatcherStatus(BaseModel):
     last_action: Optional[str] = Field(None, description="Most recent propagation action.")
     suppressed_members: List[str] = Field(default_factory=list, description="Members currently forced down by the watcher.")
     recovery_holdoff_seconds: Optional[float] = Field(None, description="Configured recovery holdoff before restoring siblings.")
+    degraded_recheck_seconds: Optional[float] = Field(
+        None,
+        description="Low-rate fallback recheck interval while the bridge is degraded.",
+    )
     members: Dict[str, BridgeMemberLinkStateInfo] = Field(default_factory=dict, description="Per-member link-state snapshot.")
     message: Optional[str] = Field(None, description="Optional informational message.")