Add ZTE-first port traffic monitoring with task wizard and ops wall.

Collect interface bit/s via CLI on a schedule, store samples in Postgres, and chart trends with uPlot.

Co-authored-by: Cursor <cursoragent@cursor.com>

netx_api/port_traffic_commands.py

@@ -0,0 +1,29 @@
+"""Vendor → port traffic CLI command matrix (ZTE first)."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+from .config_sync_commands import normalize_vendor_key
+
+
+@dataclass(frozen=True)
+class PortTrafficCommands:
+    brief: str
+    detail_template: str  # format with ifname=
+    vendor_key: str = "other"
+
+
+def commands_for_vendor(vendor: str, device_type: str = "") -> PortTrafficCommands | None:
+    key = normalize_vendor_key(vendor, device_type)
+    if key == "zte":
+        return PortTrafficCommands(
+            brief="show interface brief",
+            detail_template="show interface {ifname}",
+            vendor_key=key,
+        )
+    return None
+
+
+def detail_command(cmds: PortTrafficCommands, ifname: str) -> str:
+    return cmds.detail_template.format(ifname=ifname)