fix(dashboard): 54-44c 화면 취향 저장 때 지워진 프로젝트 id 키 버림 — 브라우저 옛 사본의 재오염 막음 · 시험 1

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UoSr2sqvYtBf1dtQdus88s

resources/tester/test_b01_ui_prefs_dead_project.py

@@ -0,0 +1,70 @@
+"""화면 취향 저장 — 지워진 프로젝트 id 가 박힌 키는 버림 · 나머지 키는 그대로."""
+
+import asyncio
+import json
+
+import B01_Dashboard.B01_Dashboard_Repository as repo
+
+LIVE = "226fc805-26c8-4f5a-9956-bacb200e10a5"
+DEAD = "936be972-11bc-46c2-8bf3-b15d8de7df0d"
+
+
+class _Cursor:
+    def __init__(self, store):
+        self.store = store
+        self.rows = []
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, *_):
+        return False
+
+    async def execute(self, sql, args):
+        if sql.startswith("SELECT id FROM projects"):
+            self.rows = [(i,) for i in args if i == LIVE]
+        else:
+            self.store["saved"] = json.loads(args[1])
+
+    async def fetchall(self):
+        return self.rows
+
+
+class _Conn:
+    def __init__(self, store):
+        self.store = store
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, *_):
+        return False
+
+    def cursor(self):
+        return _Cursor(self.store)
+
+    async def commit(self):
+        pass
+
+
+class _Pool:
+    def __init__(self, store):
+        self.store = store
+
+    def acquire(self):
+        return _Conn(self.store)
+
+
+def test_dead_project_keys_dropped(monkeypatch):
+    store = {}
+    monkeypatch.setattr(repo, "get_db_pool", lambda: _Pool(store))
+    prefs = {
+        f"aislo:pref:routeedit-view:{LIVE}": "a",
+        f"aislo:pref:routeedit-view:{DEAD}": "b",
+        "aislo:pref:table-open": "true",
+    }
+    asyncio.run(repo.save_user_ui_prefs(3, prefs))
+    assert store["saved"] == {
+        f"aislo:pref:routeedit-view:{LIVE}": "a",
+        "aislo:pref:table-open": "true",
+    }