ailint-core 1.1.0

Core library for ailint: discovery, parsing, rule engine, and reporters for AI agent guidance files.
Documentation 
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//! AIL002 `instructions-file-empty` — file is empty or whitespace only.
//!
//! See: `docs/rules/structural/AIL002.md`

use crate::parser::ParsedDocument;
use crate::rules::structural::AIL002;
use crate::rules::{Rule, RuleContext, RuleId, Severity, Violation};

/// AIL002 instructions-file-empty: guidance file has no content.
#[derive(Debug, Default)]
pub struct EmptyFileRule;

impl Rule for EmptyFileRule {
    fn id(&self) -> RuleId {
        AIL002
    }

    fn default_severity(&self) -> Severity {
        Severity::Warning
    }

    fn description(&self) -> &'static str {
        "Guidance file is empty or whitespace-only."
    }

    fn fix_hint(&self) -> &'static str {
        "Add content, or delete the file."
    }

    fn run(&self, doc: &ParsedDocument, _ctx: &RuleContext<'_>) -> Vec<Violation> {
        if !doc.raw.trim().is_empty() {
            return Vec::new();
        }
        vec![Violation::new(
            AIL002,
            self.default_severity(),
            doc.path.clone(),
            "file is empty or contains only whitespace",
        )]
    }
}