Decouple cutover HF from portrait and tighten ops UI.

Portrait stays on biz-monitor; cutover create/ensure owns purpose=cutover_hf slots with project collect override, multi-interval bindings, window pause, and industrial detail UX. Also expand ZTE collect/config parsers and TextFSM for route/BGP/L2VPN/VRRP coverage.

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

netx_api/biz_state/parsers/zte/config_common.py

@@ -0,0 +1,46 @@
+"""Helpers for ZTE MIM running-config section parsing."""
+
+from __future__ import annotations
+
+import re
+
+_MIM_OPEN = re.compile(r"^!<([^/>][^>]*)>\s*$")
+_MIM_CLOSE = re.compile(r"^!</([^>]+)>\s*$")
+
+
+def extract_mim_section(raw_text: str, section: str) -> str:
+    """Return body of ``!<section>`` … ``!</section>`` if present; else original text."""
+    name = str(section or "").strip().lower()
+    if not name:
+        return str(raw_text or "")
+    text = str(raw_text or "")
+    lines = text.splitlines()
+    start = -1
+    for i, line in enumerate(lines):
+        m = _MIM_OPEN.match(line.strip())
+        if m and m.group(1).strip().lower() == name:
+            start = i + 1
+            break
+    if start < 0:
+        return text
+    out: list[str] = []
+    for line in lines[start:]:
+        m = _MIM_CLOSE.match(line.strip())
+        if m and m.group(1).strip().lower() == name:
+            break
+        out.append(line)
+    return "\n".join(out)
+
+
+def is_secret_line(line: str) -> bool:
+    low = str(line or "").lower()
+    return any(
+        k in low
+        for k in (
+            "password",
+            "secret",
+            "encrypted",
+            "authentication-key",
+            "pre-shared-key",
+        )
+    )