feat: move proxmox node stats and collectors into the proxmox plugin

plugins/proxmox/src/backend/tables.ts

@@ -0,0 +1,64 @@
+import {
+  adoptLegacyTable,
+  defineTable,
+  id,
+  integer,
+  real,
+  refHost,
+  refUser,
+  text,
+  timestamp,
+} from "@termix/plugin-sdk/db";
+
+/**
+ * Per-host historical node stats samples (CPU, memory, disk, network),
+ * polled on an interval while a viewer has the Proxmox stats tab open.
+ *
+ * Adopted from core's proxmox_node_history, so the column and index names are
+ * the legacy ones: the rename carries the existing rows across.
+ */
+export const proxmoxNodeHistory = adoptLegacyTable(
+  "proxmox_node_history",
+  defineTable("node_history", {
+    id: id(),
+    hostId: refHost(),
+    ts: timestamp().notNull().defaultNow(),
+    cpuPercent: real(),
+    memPercent: real(),
+    diskPercent: real(),
+    netRxBytes: integer(),
+    netTxBytes: integer(),
+  }),
+);
+
+/**
+ * One saved dashboard layout per user per host for the Proxmox stats tab.
+ *
+ * Adopted from core's proxmox_stats_preferences.
+ */
+export const proxmoxStatsPreferences = adoptLegacyTable(
+  "proxmox_stats_preferences",
+  defineTable(
+    "stats_preferences",
+    {
+      id: id(),
+      userId: refUser(),
+      hostId: refHost(),
+      // JSON-encoded layout. No secrets, so plain text.
+      layout: text().notNull(),
+      createdAt: timestamp().notNull().defaultNow(),
+      updatedAt: timestamp().notNull().defaultNow(),
+    },
+    {
+      indexes: [
+        {
+          name: "idx_proxmox_stats_prefs_user_host",
+          columns: ["userId", "hostId"],
+          unique: true,
+        },
+      ],
+    },
+  ),
+);
+
+export const tables = [proxmoxNodeHistory, proxmoxStatsPreferences];