FILE003: TFLint validation failed

Error

tflint found issues in a Terraform/OpenTofu file.

Why this matters

TFLint detects:

Deprecated syntax and resources
Provider-specific best practices
Potential errors before terraform plan
Security and compliance issues

How to fix

Run tflint to see what it caught:
```
tflint path/to/file.tf
```
Fix each issue -- the rule name tells you what to change

For false positives, suppress with an ignore comment:

# tflint-ignore: aws_instance_invalid_type
resource "aws_instance" "example" {
  instance_type = "custom.large"
}

Configuration

Configure in config.toml:

[validators.file.terraform]
use_tflint = true    # Enable tflint (default: true)
timeout = "10s"      # Command timeout

Disable tflint:

[validators.file.terraform]
use_tflint = false

TFLint configuration

Create .tflint.hcl in your project root:

config {
  call_module_type = "local"
}

plugin "aws" {
  enabled = true
  version = "0.30.0"
  source  = "github.com/terraform-linters/tflint-ruleset-aws"
}

FILE002 - Terraform format validation
TFLint documentation

Hook output

When this error is triggered, klaudiush writes JSON to stdout:

permissionDecisionReason (shown to Claude): [FILE003] tflint found issues in a Terraform/OpenTofu file. Run 'tflint' to see detailed linting issues.

systemMessage (shown to user): Formatted error with fix hint and reference URL.

additionalContext (behavioral guidance): Automated klaudiush validation check. Fix the reported errors and retry the same command.