Align sized cluster seeds and GET dumps with PVE wire shapes; restyle DATA panel.

- Scale small/large/big seeds (3×50 / 10×1000 / 20×2000) with proportional
  backups, snapshots, HA, replication, Ceph capacity, and OSD totals
  (10 / 100 / 500) plus matching node disks and crush/pg metadata
- Enrich handler responses for apt, certificates, qemu/lxc status, storage,
  SDN, metrics export, and related cluster/node dumps
- Flatten nested body_example fields into PARAMS and sync the request body
  via dotted paths (oVirt-style)
- Restyle DATA controls as size cards with full-width Reset to minimal /
  Refresh stats; unload reloads the minimal cluster

app/simulation/ceph_defaults.py

@@ -0,0 +1,25 @@
+"""Canonical Ceph cluster flag names (PVE /cluster/ceph/flags)."""
+
+from __future__ import annotations
+
+# Keep in sync with Proxmox `ceph_flags` API (majors 6-9).
+CEPH_FLAG_DESCRIPTIONS: dict[str, str] = {
+    "nobackfill": "Pause backfill operations",
+    "nodeep-scrub": "Disable deep scrubbing",
+    "nodown": "Do not mark OSDs down",
+    "noin": "Do not mark OSDs in",
+    "noout": "Do not mark OSDs out",
+    "norebalance": "Pause rebalance",
+    "norecover": "Pause recovery",
+    "noscrub": "Disable scrubbing",
+    "notieragent": "Pause tiering agent",
+    "noup": "Do not mark OSDs up",
+    "pause": "Pause I/O",
+}
+
+
+def default_ceph_flags(*, enabled: frozenset[str] | None = None) -> dict[str, int]:
+    """Return the full flag map; unset flags are ``0`` (PVE GET → ``false``)."""
+
+    active = enabled or frozenset()
+    return {name: (1 if name in active else 0) for name in CEPH_FLAG_DESCRIPTIONS}