Migrazione 016 vision_recipe_dir, copy-on-write, dxf_compare tra i task di misura (#46)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/backend/migrations/versions/016_vision_recipe_dir.py

@@ -0,0 +1,30 @@
+"""recipe_tasks.vision_recipe_dir: cartella della ricetta VisionSuite v2 (#46)
+
+Percorso relativo sotto upload_path della cartella immutabile che contiene
+recipe.json e i file di meta (DXF, modelli .npz, ...).
+
+Revision ID: 016_vision_recipe_dir
+Revises: 015_api_key_hash
+Create Date: 2026-10-07
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = '016_vision_recipe_dir'
+down_revision: Union[str, None] = '015_api_key_hash'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # batch: SQLite non sa fare DROP COLUMN nativo su tutte le versioni
+    with op.batch_alter_table('recipe_tasks') as batch:
+        batch.add_column(sa.Column('vision_recipe_dir', sa.String(500), nullable=True))
+
+
+def downgrade() -> None:
+    with op.batch_alter_table('recipe_tasks') as batch:
+        batch.drop_column('vision_recipe_dir')

src/backend/models/orm/task.py

@@ -18,7 +18,8 @@ if TYPE_CHECKING:
 TASK_TYPES = ("note", "measure", "drawing", "dxf_compare", "camera_measure")
 
 # Types the operator screen treats as "there are quotes to take here".
-MEASURING_TASK_TYPES = ("measure", "camera_measure")
+# dxf_compare produce quote come camera_measure (#46)
+MEASURING_TASK_TYPES = ("measure", "camera_measure", "dxf_compare")
 
 
 class RecipeTask(Base):
@@ -51,6 +52,9 @@ class RecipeTask(Base):
     # server routes it and never interprets it, which is what keeps VisionSuite
     # out of this container.
     vision_json: Mapped[Optional[dict]] = mapped_column(JSON, nullable=True)
+    # Cartella immutabile (relativa a upload_path) con recipe.json e i file di
+    # meta della ricetta VisionSuite v2 (#46).
+    vision_recipe_dir: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)
 
     # Relationships
     version: Mapped["RecipeVersion"] = relationship(back_populates="tasks")

src/backend/services/recipe_service.py

@@ -115,6 +115,8 @@ async def _copy_tasks_to_version(
             # a camera_measure task unable to execute from the moment a
             # recipe with measurements is next edited.
             vision_json=task.vision_json,
+            # Cartella immutabile: basta il riferimento (#46).
+            vision_recipe_dir=task.vision_recipe_dir,
         )
         db.add(new_task)
         await db.flush()  # get new_task.id