feat: add daily tasks and fix /admin139 admin entry

backend/CMakeLists.txt

@@ -19,10 +19,15 @@ add_library(csp_core
   src/services/wrong_book_service.cc
   src/services/kb_service.cc
   src/services/contest_service.cc
+  src/services/daily_task_service.cc
   src/services/submission_service.cc
+  src/services/solution_access_service.cc
+  src/services/redeem_service.cc
   src/services/problem_workspace_service.cc
   src/services/problem_solution_runner.cc
+  src/services/kb_import_runner.cc
   src/services/problem_gen_runner.cc
+  src/services/submission_feedback_service.cc
   src/services/import_service.cc
   src/services/import_runner.cc
   src/domain/enum_strings.cc
@@ -46,6 +51,7 @@ add_library(csp_web
   src/controllers/me_controller.cc
   src/controllers/contest_controller.cc
   src/controllers/leaderboard_controller.cc
+  src/controllers/admin_controller.cc
   src/controllers/kb_controller.cc
   src/controllers/import_controller.cc
   src/controllers/meta_controller.cc
@@ -87,6 +93,7 @@ add_executable(csp_tests
   tests/problem_service_test.cc
   tests/kb_service_test.cc
   tests/contest_service_test.cc
+  tests/daily_task_service_test.cc
   tests/submission_service_test.cc
   tests/me_http_test.cc
   tests/problem_http_test.cc