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

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

@@ -0,0 +1,13 @@
+package com.label.common.statemachine;
+
+import java.util.Map;
+import java.util.Set;
+
+public enum DatasetStatus {
+    PENDING_REVIEW, APPROVED, REJECTED;
+
+    public static final Map<DatasetStatus, Set<DatasetStatus>> TRANSITIONS = Map.of(
+        PENDING_REVIEW, Set.of(APPROVED, REJECTED)
+        // APPROVED/REJECTED: terminal states
+    );
+}

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

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+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)
+    );
+}

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

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+package com.label.common.statemachine;
+
+import java.util.Map;
+import java.util.Set;
+
+public enum TaskStatus {
+    UNCLAIMED, IN_PROGRESS, SUBMITTED, APPROVED, REJECTED;
+
+    public static final Map<TaskStatus, Set<TaskStatus>> TRANSITIONS = Map.of(
+        UNCLAIMED,   Set.of(IN_PROGRESS),
+        IN_PROGRESS, Set.of(SUBMITTED, UNCLAIMED, IN_PROGRESS),  // IN_PROGRESS->IN_PROGRESS for ADMIN reassign
+        SUBMITTED,   Set.of(APPROVED, REJECTED),
+        REJECTED,    Set.of(IN_PROGRESS)
+        // APPROVED: terminal state, no outgoing transitions
+    );
+}

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

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+package com.label.common.statemachine;
+
+import java.util.Map;
+import java.util.Set;
+
+public enum VideoJobStatus {
+    PENDING, RUNNING, SUCCESS, FAILED, RETRYING;
+
+    /**
+     * Automatic state machine transitions.
+     * Note: FAILED → PENDING is a manual ADMIN operation, handled separately in VideoProcessService.reset().
+     */
+    public static final Map<VideoJobStatus, Set<VideoJobStatus>> TRANSITIONS = Map.of(
+        PENDING,   Set.of(RUNNING),
+        RUNNING,   Set.of(SUCCESS, FAILED, RETRYING),
+        RETRYING,  Set.of(RUNNING, FAILED)
+        // SUCCESS: terminal state
+        // FAILED → PENDING: manual ADMIN reset, NOT in this automatic transitions map
+    );
+}