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/README

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+Single-database configuration for Flask.

visual_workflow_builder/backend/migrations/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic,flask_migrate
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

visual_workflow_builder/backend/migrations/env.py

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+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+
+def get_engine():
+    try:
+        # this works with Flask-SQLAlchemy<3 and Alchemical
+        return current_app.extensions['migrate'].db.get_engine()
+    except (TypeError, AttributeError):
+        # this works with Flask-SQLAlchemy>=3
+        return current_app.extensions['migrate'].db.engine
+
+
+def get_engine_url():
+    try:
+        return get_engine().url.render_as_string(hide_password=False).replace(
+            '%', '%%')
+    except AttributeError:
+        return str(get_engine().url).replace('%', '%%')
+
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option('sqlalchemy.url', get_engine_url())
+target_db = current_app.extensions['migrate'].db
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_metadata():
+    if hasattr(target_db, 'metadatas'):
+        return target_db.metadatas[None]
+    return target_db.metadata
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=get_metadata(), literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    conf_args = current_app.extensions['migrate'].configure_args
+    if conf_args.get("process_revision_directives") is None:
+        conf_args["process_revision_directives"] = process_revision_directives
+
+    connectable = get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=get_metadata(),
+            **conf_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

visual_workflow_builder/backend/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

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

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+"""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')