Step 12：后端轻量优化（API 稳定性 & 前端友好）

backend/app/constants/ae.py

@@ -0,0 +1,3 @@
+AE_SERIOUSNESS = ["NON_SERIOUS", "SERIOUS"]
+AE_SEVERITY = ["G1", "G2", "G3", "G4", "G5"]
+AE_STATUS = ["NEW", "FOLLOW_UP", "CLOSED"]

backend/app/constants/finance.py

@@ -0,0 +1,2 @@
+FINANCE_STATUS = ["DRAFT", "SUBMITTED", "APPROVED", "REJECTED", "PAID"]
+FINANCE_CATEGORY = ["SITE_FEE", "SUBJECT_STIPEND", "TRAVEL", "OTHER"]

backend/app/constants/imp.py

@@ -0,0 +1,10 @@
+IMP_TX_TYPES = [
+    "RECEIPT",
+    "DISPENSE",
+    "RETURN",
+    "RECONCILE",
+    "DESTROY",
+    "TRANSFER_IN",
+    "TRANSFER_OUT",
+]
+IMP_BATCH_STATUS = ["ACTIVE", "QUARANTINED", "EXPIRED", "CLOSED"]

backend/app/constants/issue.py

@@ -0,0 +1,3 @@
+ISSUE_CATEGORY = ["RISK", "ISSUE", "PROTOCOL_DEVIATION"]
+ISSUE_LEVEL = ["LOW", "MEDIUM", "HIGH", "CRITICAL"]
+ISSUE_STATUS = ["OPEN", "MITIGATING", "CLOSED"]

backend/app/constants/subject.py

@@ -0,0 +1,2 @@
+SUBJECT_STATUS = ["SCREENING", "ENROLLED", "COMPLETED", "DROPPED"]
+VISIT_STATUS = ["PLANNED", "DONE", "MISSED", "CANCELLED"]

backend/app/constants/task.py

@@ -0,0 +1,2 @@
+TASK_STATUS = ["TODO", "DOING", "DONE", "BLOCKED"]
+TASK_PRIORITY = ["LOW", "MEDIUM", "HIGH"]