Implement AI orchestration wedding demo

backend/alembic/env.py

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+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+from app.config import get_settings
+from app.infrastructure.database import Base
+
+config = context.config
+config.set_main_option("sqlalchemy.url", get_settings().database_url)
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    context.configure(url=get_settings().database_url, target_metadata=target_metadata, literal_binds=True)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    connectable = engine_from_config(config.get_section(config.config_ini_section), prefix="sqlalchemy.", poolclass=pool.NullPool)
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/alembic/versions/0001_initial.py

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+"""initial schema
+
+Revision ID: 0001_initial
+Revises:
+Create Date: 2026-06-26 00:00:00.000000
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0001_initial"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "tasks",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("title", sa.String(length=240), nullable=False),
+        sa.Column("assignee", sa.String(length=120), nullable=True),
+        sa.Column("due_date", sa.DateTime(), nullable=True),
+        sa.Column("status", sa.String(length=40), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+    )
+    op.create_table(
+        "notes",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("content", sa.String(length=2000), nullable=False),
+        sa.Column("category", sa.String(length=40), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+    )
+    op.create_table(
+        "reservations",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("vendor", sa.String(length=180), nullable=False),
+        sa.Column("reservation_date", sa.DateTime(), nullable=False),
+        sa.Column("status", sa.String(length=40), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+    )
+    op.create_table(
+        "pending_actions",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("meeting_id", sa.String(length=120), nullable=False),
+        sa.Column("tool", sa.String(length=120), nullable=False),
+        sa.Column("intent", sa.String(length=120), nullable=False),
+        sa.Column("reasoning", sa.String(length=1000), nullable=False),
+        sa.Column("confidence", sa.Float(), nullable=False),
+        sa.Column("payload", sa.JSON(), nullable=False),
+        sa.Column("extracted_entities", sa.JSON(), nullable=False),
+        sa.Column("validation", sa.JSON(), nullable=False),
+        sa.Column("policy", sa.JSON(), nullable=False),
+        sa.Column("status", sa.String(length=40), nullable=False),
+        sa.Column("execution_result", sa.JSON(), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_pending_actions_meeting_id", "pending_actions", ["meeting_id"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_pending_actions_meeting_id", table_name="pending_actions")
+    op.drop_table("pending_actions")
+    op.drop_table("reservations")
+    op.drop_table("notes")
+    op.drop_table("tasks")