The loader collects every fail-fast defect and honors per-open skips

Phase 1 of the decision surface (01 ▸ Malformed input, settled
2026-07-31): BoardLoadFailure aggregates the walk's defects in walk
order — stop-at-first retires. Environmental failures (unreadable root,
not-a-directory) stay immediate single-defect throws: there is no walk
to collect from. A defective root index is recorded and the walk
continues into the children (nothing in the walk consults the parsed
root document — verified); a defective lane, card, or trash-entry index
records and skips its subtree, Re-check's whole-walk re-aggregation
being the designed loop for what hides beneath. load(skipping:) is the
per-open skip channel: a skipped path's item is omitted from the model
and surfaces as LoadWarning.userSkipped; root paths are unskippable by
construction. The reload-breakage banner carries the aggregate ("…and
N more"), single-defect sentences byte-identical to before. Two new
multi-defect fixture boards; suite 2591 green.

Claude-Session: https://claude.ai/code/session_01CqjXB7ASoWtbyoGod68k97

Kanban/LiveStore/BoardAnnouncer.swift

@@ -238,9 +238,11 @@ public enum BoardAnnouncer {
         public var lockAfter: ReadOnlyLockReason?
 
         /// The reload-breakage condition before and after, same rule: a different file failing to
-        /// load is a different sentence and is worth saying.
-        public var breakageBefore: BoardLoadError?
-        public var breakageAfter: BoardLoadError?
+        /// load is a different sentence and is worth saying. **The whole aggregate**, not just its
+        /// first defect — a second broken lane appearing under an already-broken one changes the
+        /// sentence the strip is showing ("and 2 more"), so it is news by the same test.
+        public var breakageBefore: BoardLoadFailure?
+        public var breakageAfter: BoardLoadFailure?
 
         public init() {}
     }