[ci skip] Flatten module wrappers into stack roots

Remove the module "xxx" { source = "./module" } indirection layer
from all 66 service stacks. Resources are now defined directly in
each stack's main.tf instead of through a wrapper module.

- Merge module/main.tf contents into stack main.tf
- Apply variable replacements (var.tier -> local.tiers.X, renamed vars)
- Fix shared module paths (one fewer ../ at each level)
- Move extra files/dirs (factory/, chart_values, subdirs) to stack root
- Update state files to strip module.<name>. prefix
- Update CLAUDE.md to reflect flat structure

Verified: terragrunt plan shows 0 add, 0 destroy across all stacks.

stacks/tuya-bridge/main.tf

@@ -14,12 +14,97 @@ locals {
   }
 }
 
-module "tuya-bridge" {
-  source = "./module"
-  tls_secret_name                = var.tls_secret_name
-  tier                           = local.tiers.cluster
-  tiny_tuya_api_key              = var.tiny_tuya_api_key
-  tiny_tuya_api_secret           = var.tiny_tuya_api_secret
-  tiny_tuya_service_secret       = var.tiny_tuya_service_secret
-  slack_url                      = var.tiny_tuya_slack_url
+resource "kubernetes_namespace" "tuya-bridge" {
+  metadata {
+    name = "tuya-bridge"
+    labels = {
+      "istio-injection" : "disabled"
+      tier = local.tiers.cluster
+    }
+  }
+}
+
+module "tls_secret" {
+  source          = "../../modules/kubernetes/setup_tls_secret"
+  namespace       = kubernetes_namespace.tuya-bridge.metadata[0].name
+  tls_secret_name = var.tls_secret_name
+}
+
+resource "kubernetes_deployment" "tuya-bridge" {
+  metadata {
+    name      = "tuya-bridge"
+    namespace = kubernetes_namespace.tuya-bridge.metadata[0].name
+    labels = {
+      app  = "tuya-bridge"
+      tier = local.tiers.cluster
+    }
+  }
+  spec {
+    replicas = 3
+    selector {
+      match_labels = {
+        app = "tuya-bridge"
+      }
+    }
+    template {
+      metadata {
+        labels = {
+          app = "tuya-bridge"
+        }
+      }
+      spec {
+        container {
+          image = "viktorbarzin/tuya_bridge:latest"
+          name  = "tuya-bridge"
+          port {
+            container_port = 8080
+          }
+          env {
+            name  = "TINYTUYA_API_KEY"
+            value = var.tiny_tuya_api_key
+          }
+          env {
+            name  = "TINYTUYA_API_SECRET"
+            value = var.tiny_tuya_api_secret
+          }
+          env {
+            name  = "SERVICE_API_KEY" # used for auth the API endpoint
+            value = var.tiny_tuya_service_secret
+          }
+          env {
+            name  = "SLACK_URL"
+            value = var.tiny_tuya_slack_url
+          }
+        }
+      }
+    }
+  }
+}
+
+resource "kubernetes_service" "tuya-bridge" {
+  metadata {
+    name      = "tuya-bridge"
+    namespace = kubernetes_namespace.tuya-bridge.metadata[0].name
+    labels = {
+      "app" = "tuya-bridge"
+    }
+  }
+
+  spec {
+    selector = {
+      app = "tuya-bridge"
+    }
+    port {
+      name        = "http"
+      port        = "80"
+      target_port = "8080"
+    }
+  }
+}
+
+module "ingress" {
+  source          = "../../modules/kubernetes/ingress_factory"
+  namespace       = kubernetes_namespace.tuya-bridge.metadata[0].name
+  name            = "tuya-bridge"
+  tls_secret_name = var.tls_secret_name
 }