trim verbose todo-tool descriptions, drop exhaustive subsystem list

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

@@ -44,11 +44,9 @@ pub struct AckUntilArgs {
 /// MCP tool args for `mark_todos_done`.
 #[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
 pub struct MarkTodosDoneArgs {
-    /// The specific todo ids to clear (from `get_loose_ends`'s `todo #N`
-    /// lines) — every id in the list is acked in one call. Deliberately a
-    /// list, not a range/threshold: only clears exactly what you pass, so
-    /// you don't risk acking a todo you haven't actually looked at. Unknown
-    /// or already-acked ids are silently skipped.
+    /// Todo ids to clear (from `get_loose_ends`'s `todo #N` lines). Only
+    /// these ids are acked — not a range. Unknown/already-acked ids are
+    /// silently skipped.
     pub ids: Vec<i64>,
 }