Implement native BPMN workflows and guided modes

src/govoplan_workflow/backend/db/models.py

@@ -184,6 +184,38 @@ class WorkflowDefinitionRevision(Base, TimestampMixin):
     content_hash: Mapped[str] = mapped_column(String(64), nullable=False)
     library_id: Mapped[str] = mapped_column(String(100), nullable=False)
     library_version: Mapped[str] = mapped_column(String(40), nullable=False)
+    execution_mode: Mapped[str] = mapped_column(
+        String(20),
+        default="hybrid",
+        nullable=False,
+    )
+    view_id: Mapped[str | None] = mapped_column(String(36), nullable=True)
+    view_revision_id: Mapped[str | None] = mapped_column(
+        String(36),
+        nullable=True,
+    )
+    bpmn_xml: Mapped[str | None] = mapped_column(Text, nullable=True)
+    bpmn_hash: Mapped[str | None] = mapped_column(
+        String(64),
+        nullable=True,
+        index=True,
+    )
+    bpmn_adapter_id: Mapped[str | None] = mapped_column(
+        String(120),
+        nullable=True,
+    )
+    bpmn_adapter_version: Mapped[str | None] = mapped_column(
+        String(40),
+        nullable=True,
+    )
+    bpmn_runtime_kind: Mapped[str | None] = mapped_column(
+        String(20),
+        nullable=True,
+    )
+    bpmn_executable: Mapped[bool | None] = mapped_column(
+        Boolean,
+        nullable=True,
+    )
     created_by: Mapped[str | None] = mapped_column(
         String(255),
         nullable=True,
@@ -232,6 +264,12 @@ class WorkflowInstance(Base, TimestampMixin):
         nullable=False,
         index=True,
     )
+    start_origin: Mapped[str] = mapped_column(
+        String(30),
+        default="user",
+        nullable=False,
+        index=True,
+    )
     idempotency_key: Mapped[str] = mapped_column(
         String(255),
         nullable=False,