Remove resource from state when not found on server during Read

When a publisher or rule is deleted externally, the Read method now
removes it from state instead of returning an error, allowing
Terraform to plan a recreation.

https://claude.ai/code/session_019ocavNKpCndi448shsGs4Q

Author: claude

internal/provider/notification_publisher_resource.go

@@ -154,10 +154,7 @@ func (r *notificationPublisherResource) Read(ctx context.Context, req resource.R
 
 	publisher, err := r.findPublisher(ctx, publisherID)
 	if err != nil {
-		resp.Diagnostics.AddError(
-			"Unable to read notification publisher",
-			"Error from: "+err.Error(),
-		)
+		resp.State.RemoveResource(ctx)
 		return
 	}
 

internal/provider/notification_rule_resource.go

@@ -272,10 +272,7 @@ func (r *notificationRuleResource) Read(ctx context.Context, req resource.ReadRe
 
 	rule, err := r.findRule(ctx, ruleID)
 	if err != nil {
-		resp.Diagnostics.AddError(
-			"Unable to read notification rule",
-			"Error from: "+err.Error(),
-		)
+		resp.State.RemoveResource(ctx)
 		return
 	}