feat(client): resolve OQ-07 — insert-off suppresses verb labels (#522)

Option (a): cursor shape still changes (body orients to targets), but
verb labels and interaction prompts are suppressed when insert_active
is false. Amends D-056 and D-057 with resolution note.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/scripts/rendering/cursor_renderer.gd

@@ -11,6 +11,9 @@ enum State { DEFAULT, ENTITY_HOVER, OBJECT_HOVER, WEAPON_AIM }
 var current_state: State = State.DEFAULT
 var hovered_entity_id: int = -1
 var weapon_mode_active: bool = false
+# OQ-07 (#522): when false, verb labels are suppressed (should_show_interactions → false).
+# Cursor shape transitions still fire — the character's body still orients to targets.
+var insert_active: bool = true
 
 signal state_changed(new_state: State)
 signal hovered_entity_changed(entity_id: int)
@@ -305,8 +308,15 @@ func get_z_layer() -> int:
 
 
 func should_show_interactions() -> bool:
+	# OQ-07: insert off suppresses verb labels even though cursor shape still changes
+	if not insert_active:
+		return false
 	return not weapon_mode_active or _shift_held
 
 
+func set_insert_active(active: bool) -> void:
+	insert_active = active
+
+
 func get_interaction_range() -> int:
 	return 2  # D-056: ~2 sim tiles