hive-c0re/hive-sh4re: remove the ask/answer wire protocol + core routing

hive-agent-mcp/src/mcp/render.rs

@@ -194,19 +194,6 @@ fn render_one_loose_end(out: &mut String, t: &hive_sh4re::inbox::LooseEnd) {
                 "- approval #{id} ({agent} @ {commit_ref}, {age_seconds}s old){desc}"
             );
         }
-        hive_sh4re::inbox::LooseEnd::Question {
-            id,
-            asker,
-            target,
-            question,
-            age_seconds,
-        } => {
-            let to = target.as_deref().unwrap_or("operator");
-            let _ = writeln!(
-                out,
-                "- question #{id} ({asker} → {to}, {age_seconds}s old): {question}"
-            );
-        }
         hive_sh4re::inbox::LooseEnd::Reminder {
             id,
             owner,
@@ -459,23 +446,20 @@ pub(super) fn parse_loose_end_kind(
     raw: &str,
 ) -> Result<hive_sh4re::inbox::CancelLooseEndKind, String> {
     match raw.trim().to_ascii_lowercase().as_str() {
-        "question" | "q" => Ok(hive_sh4re::inbox::CancelLooseEndKind::Question),
         "reminder" | "r" => Ok(hive_sh4re::inbox::CancelLooseEndKind::Reminder),
         "approval" | "a" => Ok(hive_sh4re::inbox::CancelLooseEndKind::Approval),
         other => Err(format!(
             "cancel_loose_end: unknown kind '{other}' \
-             (expected \"question\", \"reminder\", \"approval\", or \"todo\")"
+             (expected \"reminder\", \"approval\", or \"todo\")"
         )),
     }
 }
 
 /// Canonical user-facing label for a `CancelLooseEndKind` — used in
-/// the success ack so the caller always sees `"question"` /
-/// `"reminder"` instead of whatever alias they passed in (`"q"` /
-/// `"r"`).
+/// the success ack so the caller always sees `"reminder"` instead of
+/// whatever alias they passed in (`"r"`).
 pub(super) fn loose_end_kind_label(kind: hive_sh4re::inbox::CancelLooseEndKind) -> &'static str {
     match kind {
-        hive_sh4re::inbox::CancelLooseEndKind::Question => "question",
         hive_sh4re::inbox::CancelLooseEndKind::Reminder => "reminder",
         hive_sh4re::inbox::CancelLooseEndKind::Approval => "approval",
     }