refactor(workspace): enforce layered crate boundaries

apps/aether-gateway/src/log_ids.rs

@@ -1,74 +1,3 @@
-pub(crate) fn short_request_id(value: &str) -> String {
-    let trimmed = value.trim();
-    if trimmed.is_empty() {
-        return "-".to_string();
-    }
+//! Compatibility facade for request identifier formatting.
 
-    if trimmed.chars().count() <= 12 {
-        return trimmed.to_string();
-    }
-
-    if looks_like_uuid(trimmed) {
-        return trimmed.chars().take(8).collect();
-    }
-
-    let prefix: String = trimmed.chars().take(6).collect();
-    let suffix: String = trimmed
-        .chars()
-        .rev()
-        .take(4)
-        .collect::<String>()
-        .chars()
-        .rev()
-        .collect();
-    format!("{prefix}...{suffix}")
-}
-
-fn looks_like_uuid(value: &str) -> bool {
-    let bytes = value.as_bytes();
-    if bytes.len() != 36 {
-        return false;
-    }
-
-    for (index, byte) in bytes.iter().enumerate() {
-        let is_hyphen = matches!(index, 8 | 13 | 18 | 23);
-        if is_hyphen {
-            if *byte != b'-' {
-                return false;
-            }
-            continue;
-        }
-
-        if !byte.is_ascii_hexdigit() {
-            return false;
-        }
-    }
-
-    true
-}
-
-#[cfg(test)]
-mod tests {
-    use super::short_request_id;
-
-    #[test]
-    fn shortens_uuid_like_request_ids_to_prefix() {
-        assert_eq!(
-            short_request_id("d07e1e94-41b8-409f-a18a-27993ae7ecb1"),
-            "d07e1e94"
-        );
-    }
-
-    #[test]
-    fn shortens_long_named_request_ids_to_prefix_and_suffix() {
-        assert_eq!(
-            short_request_id("trace-openai-cli-stream-sync-direct-123"),
-            "trace-...-123"
-        );
-    }
-
-    #[test]
-    fn preserves_short_request_ids() {
-        assert_eq!(short_request_id("req-123"), "req-123");
-    }
-}
+pub(crate) use aether_gateway_frontdoor::short_request_id;