feat(common): 添加 BusinessException/GlobalExceptionHandler/CompanyContext/状态枚举 (T007/T008/T012-T015)

src/main/java/com/label/common/statemachine/SourceStatus.java

@@ -0,0 +1,15 @@
+package com.label.common.statemachine;
+
+import java.util.Map;
+import java.util.Set;
+
+public enum SourceStatus {
+    PENDING, PREPROCESSING, EXTRACTING, QA_REVIEW, APPROVED;
+
+    public static final Map<SourceStatus, Set<SourceStatus>> TRANSITIONS = Map.of(
+        PENDING,       Set.of(EXTRACTING, PREPROCESSING),
+        PREPROCESSING, Set.of(PENDING),
+        EXTRACTING,    Set.of(QA_REVIEW),
+        QA_REVIEW,     Set.of(APPROVED)
+    );
+}