bxctl: deny, another name for refuse

Implemented-By: OpenCode session (model recorded in docs/implementer-log.md)

crates/bxctl/src/cli.rs

@@ -21,6 +21,9 @@ usage: bxctl <command> [options]
   bxctl refuse <id> [--reason TEXT] [--admin-socket PATH]
       Refuse approval <id>, recording a reason.
 
+  bxctl deny <id> [--reason TEXT] [--admin-socket PATH]
+      Another name for refuse.
+
   bxctl grants check [--admin-socket PATH]
       Check that the grants load.
 
@@ -98,7 +101,7 @@ pub fn parse(args: &[String], home: &Path) -> Result<Command, UsageError> {
         "chat" => parse_chat(rest, home),
         "approvals" => parse_approvals(rest, home),
         "approve" => parse_approve(rest, home),
-        "refuse" => parse_refuse(rest, home),
+        "refuse" | "deny" => parse_refuse(rest, home),
         "grants" => parse_grants(rest, home),
         "audit" => parse_audit(rest, home),
         // A flag before the command, or any unknown command, is not valid.

crates/bxctl/tests/cli_deny.rs

@@ -0,0 +1,42 @@
+//! `bxctl deny` is another name for `bxctl refuse`: every argument list means the same under both
+//! (M4b spec, section 2). Do not edit.
+
+use bxctl::cli::{USAGE, parse};
+use std::path::Path;
+
+fn under(command: &str, rest: &[&str]) -> Vec<String> {
+    std::iter::once(command)
+        .chain(rest.iter().copied())
+        .map(str::to_string)
+        .collect()
+}
+
+#[test]
+fn deny_parses_as_refuse() {
+    let cases: &[&[&str]] = &[
+        &["41"],
+        &["41", "--reason", "not on a Friday"],
+        &["--reason", "no", "41"],
+        &["41", "--admin-socket", "/tmp/a.sock"],
+        &["41", "--reason", "x", "--admin-socket", "/tmp/a.sock"],
+        &[],
+        &["x41"],
+        &["41", "--reason"],
+        &["41", "42"],
+        &["41", "--bogus"],
+    ];
+    for rest in cases {
+        let home = Path::new("/srv/bx");
+        assert_eq!(
+            parse(&under("deny", rest), home),
+            parse(&under("refuse", rest), home),
+            "{rest:?}"
+        );
+    }
+}
+
+#[test]
+fn usage_names_deny() {
+    assert!(USAGE.contains("bxctl deny <id>"), "{USAGE}");
+    assert!(USAGE.contains("bxctl refuse <id>"), "{USAGE}");
+}