gitignore frame0-wireframe idmap files

Per the frame0-wireframe skill: the per-machine ID mapping file
(*.idmap.json) is local state that lets pull/push reconcile with
Frame0. The committed JSON wireframes are the source of truth.

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

.gitignore

@@ -97,4 +97,4 @@ legacy/**/.coverage.*
 .claude/skills/pql/
 
 # frame0-wireframe local ID ↔ Frame0 ID mapping; per-machine state.
-docs/wireframes/**/.*.idmap.json
+*.idmap.json

.pql/pql-plan.json

@@ -1,5 +1,5 @@
 {
-  "exported_at": "2026-05-06T09:13:52Z",
+  "exported_at": "2026-05-06T09:14:06Z",
   "decisions": [
     {
       "id": "D-1",