feat(#2635): wire harness-local questions mirror (inc2 pt2)

hive-agent/src/paths.rs

@@ -40,19 +40,17 @@ pub fn harness_dir() -> PathBuf {
     hive_sh4re::paths::harness_dir()
 }
 
-/// Consolidated harness-local state db — currently todos + reminders, one
-/// table each — mutable per-agent state the harness owns, kept out of the
-/// append-only `hyperhive-events.sqlite` sink. Per mara's call ("not yet
-/// another sqlite! todos, reminders, questions should be like three tiny
-/// tables in one 500kb sqlite"), this file is the shared home for all
-/// loose-ends-v2 stores; each store's `open()` only applies its own
+/// Consolidated harness-local state db — todos + reminders + the questions
+/// mirror, one table each — mutable per-agent state the harness owns, kept
+/// out of the append-only `hyperhive-events.sqlite` sink. Per mara's call
+/// ("not yet another sqlite! todos, reminders, questions should be like
+/// three tiny tables in one 500kb sqlite"), this file is the shared home
+/// for all loose-ends-v2 stores; each store's `open()` only applies its own
 /// `CREATE TABLE IF NOT EXISTS`, so opening multiple stores against the
-/// same path is safe (distinct table names, no schema collision). A
-/// questions mirror table is the planned third tenant (a following
-/// increment), not part of this schema yet.
-/// Both the todos and reminders stores open this same path directly (see
-/// their `open()` call sites) — distinct table names mean no schema
-/// collision, so there's no need for per-store path wrapper fns here.
+/// same path is safe (distinct table names, no schema collision).
+/// All three stores (todos, reminders, questions) open this same path
+/// directly (see their `open()` call sites) — distinct table names mean no
+/// schema collision, so there's no need for per-store path wrapper fns here.
 ///
 /// Before this consolidation, todos and reminders lived in their own
 /// `hyperhive-todos.sqlite` / `hyperhive-reminders.sqlite` files; a