Fix test failures and workload/websocket behavior

backend/app/models/__init__.py

@@ -26,12 +26,16 @@ from app.models.task_dependency import TaskDependency, DependencyType
 from app.models.project_member import ProjectMember
 from app.models.project_template import ProjectTemplate
 
+# Backward-compatible alias for older imports
+ScheduleTrigger = Trigger
+
 __all__ = [
     "User", "Role", "Department", "Space", "Project", "TaskStatus", "Task", "WorkloadSnapshot",
     "Comment", "Mention", "Notification", "Blocker",
     "AuditLog", "AuditAlert", "AuditAction", "SensitivityLevel", "EVENT_SENSITIVITY", "ALERT_EVENTS",
     "EncryptionKey", "Attachment", "AttachmentVersion",
     "Trigger", "TriggerType", "TriggerLog", "TriggerLogStatus",
+    "ScheduleTrigger",
     "ScheduledReport", "ReportType", "ReportHistory", "ReportHistoryStatus",
     "ProjectHealth", "RiskLevel", "ScheduleStatus", "ResourceStatus",
     "CustomField", "FieldType", "TaskCustomValue",

backend/app/models/project.py

@@ -1,5 +1,5 @@
 from sqlalchemy import Column, String, Text, Boolean, DateTime, Date, Numeric, Enum, ForeignKey
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import relationship, synonym
 from sqlalchemy.sql import func
 from app.core.database import Base
 import enum
@@ -45,3 +45,6 @@ class Project(Base):
 
     # Project membership for cross-department collaboration
     members = relationship("ProjectMember", back_populates="project", cascade="all, delete-orphan")
+
+    # Backward-compatible alias for older code/tests that use name instead of title
+    name = synonym("title")

backend/app/models/project_template.py

@@ -5,7 +5,7 @@ that can be used to quickly set up new projects.
 """
 import uuid
 from sqlalchemy import Column, String, Text, Boolean, DateTime, ForeignKey, JSON
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import relationship, synonym
 from sqlalchemy.sql import func
 from app.core.database import Base
 
@@ -53,6 +53,10 @@ class ProjectTemplate(Base):
     # Relationships
     owner = relationship("User", foreign_keys=[owner_id])
 
+    # Backward-compatible aliases for older code/tests
+    created_by = synonym("owner_id")
+    default_statuses = synonym("task_statuses")
+
 
 # Default template data for system templates
 SYSTEM_TEMPLATES = [

backend/app/models/task_dependency.py

@@ -1,5 +1,6 @@
+import uuid
 from sqlalchemy import Column, String, Integer, Enum, DateTime, ForeignKey, UniqueConstraint
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import relationship, synonym
 from sqlalchemy.sql import func
 from app.core.database import Base
 import enum
@@ -34,7 +35,7 @@ class TaskDependency(Base):
         UniqueConstraint('predecessor_id', 'successor_id', name='uq_predecessor_successor'),
     )
 
-    id = Column(String(36), primary_key=True)
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
     predecessor_id = Column(
         String(36),
         ForeignKey("pjctrl_tasks.id", ondelete="CASCADE"),
@@ -66,3 +67,7 @@ class TaskDependency(Base):
         foreign_keys=[successor_id],
         back_populates="predecessors"
     )
+
+    # Backward-compatible aliases for legacy field names
+    task_id = synonym("successor_id")
+    depends_on_task_id = synonym("predecessor_id")