feat(fastpass): Talos cluster provisioning and bootstrap

- Terraform: VM provisioning, Unifi DHCP, Technitium DNS
- talhelper: cluster config for 6-node Talos cluster
- Cilium 1.19.4 CNI with Talos-compatible security context
- docs: city-hall setup guide and bootstrap runbook

terraform/talos/cluster/providers.tf

@@ -0,0 +1,48 @@
+terraform {
+  required_version = ">= 1.5.0"
+
+  required_providers {
+    proxmox = {
+      source  = "bpg/proxmox"
+      version = ">= 0.74.0"
+    }
+
+    unifi = {
+      source  = "paultyng/unifi"
+      version = "0.41.0"
+    }
+
+    technitium = {
+      source  = "darkhonor/technitium"
+      version = ">= 0.3.0"
+    }
+  }
+}
+
+# ─── Proxmox Provider ────────────────────────────────────────────────────────
+
+provider "proxmox" {
+  endpoint  = var.proxmox_api_url
+  api_token = var.proxmox_api_token
+  insecure  = true
+
+  ssh {
+    agent = true
+  }
+}
+
+# ─── Unifi Provider ──────────────────────────────────────────────────────────
+
+provider "unifi" {
+  username       = var.unifi_username
+  password       = var.unifi_password
+  api_url        = var.unifi_api_url
+  allow_insecure = true
+}
+
+# ─── Technitium DNS Provider ─────────────────────────────────────────────────
+
+provider "technitium" {
+  server_url = var.technitium_url
+  api_token  = var.technitium_api_token
+}