chore(bug/qa): 归档测试清单、bug 报告与 QA 诊断脚本

- core/bug: 各轮电商项目测试清单 xlsx + 验证报告/套图提示词梳理 md
- core/qa: consumption_summary / diag_login / diag_sessions / probe_usage 诊断脚本

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

core/qa/diag_sessions.py

@@ -0,0 +1,18 @@
+import os, sys
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "backend"))
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "airshelf.settings.development")
+import django; django.setup()
+from apps.accounts.models import LoginSession
+from rest_framework.authtoken.models import Token
+
+print("=== 最近 30 条成功登录(LoginSession) ===")
+for s in LoginSession.objects.select_related("user").order_by("-created_at")[:30]:
+    fields = {f.name: getattr(s, f.name) for f in s._meta.fields}
+    extra = {k: v for k, v in fields.items() if k not in ("id", "user", "created_at", "updated_at")}
+    print(f"  {s.created_at:%Y-%m-%d %H:%M:%S}  user={s.user.username:18} {extra}")
+
+print(f"\n  LoginSession 总数 = {LoginSession.objects.count()}")
+print(f"  现存 Token(已登录会话) 数 = {Token.objects.count()}")
+print("\n=== 现存 Token 的用户 + 签发时间 ===")
+for t in Token.objects.select_related("user").order_by("-created")[:30]:
+    print(f"  {t.created:%Y-%m-%d %H:%M:%S}  {t.user.username}")