v1.0 - Version stable: multi-PC, détection UI-DETR-1, 3 modes exécution

- Frontend v4 accessible sur réseau local (192.168.1.40)
- Ports ouverts: 3002 (frontend), 5001 (backend), 5004 (dashboard)
- Ollama GPU fonctionnel
- Self-healing interactif
- Dashboard confiance

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

visual_workflow_builder/backend/migrations/versions/001_initial_schema.py

@@ -0,0 +1,104 @@
+"""Initial schema with workflow metadata
+
+Revision ID: 001_initial
+Revises:
+Create Date: 2026-01-23
+
+Tables:
+- workflows: Workflow definitions with metadata (tags, trigger examples)
+- steps: Workflow steps with action types and parameters
+- visual_anchors: Visual anchors for UI element detection
+- executions: Workflow execution history
+- execution_steps: Individual step execution results
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '001_initial'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Workflows table
+    op.create_table('workflows',
+        sa.Column('id', sa.String(64), primary_key=True),
+        sa.Column('name', sa.String(255), nullable=False),
+        sa.Column('description', sa.Text(), nullable=True),
+        sa.Column('tags_json', sa.Text(), nullable=True),
+        sa.Column('trigger_examples_json', sa.Text(), nullable=True),
+        sa.Column('created_at', sa.DateTime(), nullable=True),
+        sa.Column('updated_at', sa.DateTime(), nullable=True),
+        sa.Column('is_active', sa.Boolean(), default=True),
+    )
+
+    # Visual Anchors table
+    op.create_table('visual_anchors',
+        sa.Column('id', sa.String(64), primary_key=True),
+        sa.Column('image_path', sa.String(512), nullable=True),
+        sa.Column('thumbnail_path', sa.String(512), nullable=True),
+        sa.Column('bbox_x', sa.Float(), nullable=True),
+        sa.Column('bbox_y', sa.Float(), nullable=True),
+        sa.Column('bbox_width', sa.Float(), nullable=True),
+        sa.Column('bbox_height', sa.Float(), nullable=True),
+        sa.Column('screen_width', sa.Integer(), nullable=True),
+        sa.Column('screen_height', sa.Integer(), nullable=True),
+        sa.Column('description', sa.Text(), nullable=True),
+        sa.Column('confidence_threshold', sa.Float(), default=0.8),
+        sa.Column('created_at', sa.DateTime(), nullable=True),
+        sa.Column('capture_method', sa.String(64), default='screen_capture'),
+    )
+
+    # Steps table
+    op.create_table('steps',
+        sa.Column('id', sa.String(64), primary_key=True),
+        sa.Column('workflow_id', sa.String(64), sa.ForeignKey('workflows.id'), nullable=False),
+        sa.Column('action_type', sa.String(64), nullable=False),
+        sa.Column('order', sa.Integer(), nullable=False, default=0),
+        sa.Column('position_x', sa.Float(), default=0),
+        sa.Column('position_y', sa.Float(), default=0),
+        sa.Column('parameters_json', sa.Text(), default='{}'),
+        sa.Column('anchor_id', sa.String(64), sa.ForeignKey('visual_anchors.id'), nullable=True),
+        sa.Column('label', sa.String(255), nullable=True),
+        sa.Column('created_at', sa.DateTime(), nullable=True),
+        sa.Column('updated_at', sa.DateTime(), nullable=True),
+    )
+
+    # Executions table
+    op.create_table('executions',
+        sa.Column('id', sa.String(64), primary_key=True),
+        sa.Column('workflow_id', sa.String(64), sa.ForeignKey('workflows.id'), nullable=False),
+        sa.Column('status', sa.String(32), default='pending'),
+        sa.Column('started_at', sa.DateTime(), nullable=True),
+        sa.Column('ended_at', sa.DateTime(), nullable=True),
+        sa.Column('current_step_index', sa.Integer(), default=0),
+        sa.Column('total_steps', sa.Integer(), default=0),
+        sa.Column('completed_steps', sa.Integer(), default=0),
+        sa.Column('failed_steps', sa.Integer(), default=0),
+        sa.Column('error_message', sa.Text(), nullable=True),
+    )
+
+    # Execution Steps table
+    op.create_table('execution_steps',
+        sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column('execution_id', sa.String(64), sa.ForeignKey('executions.id'), nullable=False),
+        sa.Column('step_id', sa.String(64), nullable=False),
+        sa.Column('status', sa.String(32), default='pending'),
+        sa.Column('started_at', sa.DateTime(), nullable=True),
+        sa.Column('ended_at', sa.DateTime(), nullable=True),
+        sa.Column('duration_ms', sa.Integer(), nullable=True),
+        sa.Column('error_message', sa.Text(), nullable=True),
+        sa.Column('evidence_path', sa.String(512), nullable=True),
+        sa.Column('output_json', sa.Text(), default='{}'),
+    )
+
+
+def downgrade():
+    op.drop_table('execution_steps')
+    op.drop_table('executions')
+    op.drop_table('steps')
+    op.drop_table('visual_anchors')
+    op.drop_table('workflows')