feat: add anomaly_detection support to workload scaling policy

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: mszostok

README.md

@@ -217,6 +217,13 @@ module "castai_gke_cluster" {
         }
       }
 
+      anomaly_detection = {
+        cpu_pressure = {
+          cpu_stall_threshold_percentage = 50
+          min_pressured_pod_percentage   = 30
+        }
+      }
+
       excluded_containers = ["container-1", "container-2"]
     }
   }
@@ -503,7 +510,7 @@ Usage examples are located in [terraform provider repo](https://github.com/casta
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
-| <a name="requirement_castai"></a> [castai](#requirement\_castai) | >= 8.24.0 |
+| <a name="requirement_castai"></a> [castai](#requirement\_castai) | >= 8.26.0 |
 | <a name="requirement_google"></a> [google](#requirement\_google) | >= 2.49 |
 | <a name="requirement_helm"></a> [helm](#requirement\_helm) | >= 3.0.0 |
 | <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
@@ -512,10 +519,10 @@ Usage examples are located in [terraform provider repo](https://github.com/casta
 
 | Name | Version |
 |------|---------|
-| <a name="provider_castai"></a> [castai](#provider\_castai) | 8.24.0 |
-| <a name="provider_google"></a> [google](#provider\_google) | 7.25.0 |
-| <a name="provider_helm"></a> [helm](#provider\_helm) | 3.1.1 |
-| <a name="provider_null"></a> [null](#provider\_null) | 3.2.4 |
+| <a name="provider_castai"></a> [castai](#provider\_castai) | >= 8.26.0 |
+| <a name="provider_google"></a> [google](#provider\_google) | >= 2.49 |
+| <a name="provider_helm"></a> [helm](#provider\_helm) | >= 3.0.0 |
+| <a name="provider_null"></a> [null](#provider\_null) | >= 3.0 |
 
 ## Modules
 

main.tf

@@ -372,6 +372,19 @@ resource "castai_workload_scaling_policy" "this" {
       }
     }
   }
+
+  dynamic "anomaly_detection" {
+    for_each = try([each.value.anomaly_detection], [])
+    content {
+      dynamic "cpu_pressure" {
+        for_each = try([anomaly_detection.value.cpu_pressure], [])
+        content {
+          cpu_stall_threshold_percentage = try(cpu_pressure.value.cpu_stall_threshold_percentage, null)
+          min_pressured_pod_percentage   = try(cpu_pressure.value.min_pressured_pod_percentage, null)
+        }
+      }
+    }
+  }
 }
 
 resource "helm_release" "castai_agent" {

versions.tf

@@ -8,7 +8,7 @@ terraform {
     }
     castai = {
       source  = "castai/castai"
-      version = ">= 8.24.0"
+      version = ">= 8.26.0"
     }
     helm = {
       source  = "hashicorp/helm"