chore: initial project scaffold and gitignore

migrations/env.py

@@ -0,0 +1,46 @@
+from __future__ import annotations
+
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = None
+
+
+def run_migrations_offline() -> None:
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    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()

migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

migrations/versions/20260403_0001_initial_portfolio_schema.py

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+"""initial portfolio schema
+
+Revision ID: 20260403_0001
+Revises:
+Create Date: 2026-04-03 00:00:00
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+
+revision = "20260403_0001"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "strategy_sets",
+        sa.Column("id", sa.Text(), primary_key=True),
+        sa.Column("strategy_name", sa.Text(), nullable=False),
+        sa.Column("strategy_config", sa.Text(), nullable=False, server_default=""),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("NOW()")),
+        sa.UniqueConstraint("strategy_name", "strategy_config", name="uq_strategy_sets_name_config"),
+    )
+
+    op.create_table(
+        "portfolios",
+        sa.Column("portfolio_id", sa.Text(), primary_key=True),
+        sa.Column("broker", sa.Text(), nullable=False, server_default="kis"),
+        sa.Column("status", sa.Text(), nullable=False, server_default="enabled"),
+        sa.Column("symbol", sa.Text(), nullable=False),
+        sa.Column("strategy_name", sa.Text(), nullable=False, server_default=""),
+        sa.Column("strategy_params", postgresql.JSONB(astext_type=sa.Text()), nullable=False, server_default=sa.text("'{}'::jsonb")),
+        sa.Column("cash_balance", sa.Float(), nullable=False),
+        sa.Column("asset_quantity", sa.Float(), nullable=False),
+        sa.Column("asset_price", sa.Float(), nullable=False, server_default="0"),
+        sa.Column("profit_buffer", sa.Float(), nullable=False, server_default="0"),
+        sa.Column("current_strategy_set_id", sa.Text(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("NOW()")),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.text("NOW()")),
+        sa.Column("last_trade_at", sa.DateTime(timezone=True), nullable=True),
+    )
+
+    op.create_table(
+        "portfolio_ledger",
+        sa.Column("portfolio_id", sa.Text(), nullable=False),
+        sa.Column("recorded_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("action", sa.Text(), nullable=False),
+        sa.Column("price", sa.Float(), nullable=False),
+        sa.Column("quantity", sa.Float(), nullable=False),
+        sa.Column("fee_amount", sa.Float(), nullable=False, server_default="0"),
+        sa.Column("tax_amount", sa.Float(), nullable=False, server_default="0"),
+        sa.Column("cash_balance_after", sa.Float(), nullable=False),
+        sa.Column("asset_quantity_after", sa.Float(), nullable=False),
+        sa.Column("total_value_after", sa.Float(), nullable=False),
+        sa.Column("profit_buffer_after", sa.Float(), nullable=False, server_default="0"),
+        sa.Column("strategy_set_id", sa.Text(), nullable=False, server_default="legacy"),
+        sa.Column("note", sa.Text(), nullable=False, server_default=""),
+    )
+
+    op.create_index(
+        "idx_portfolio_ledger_portfolio_time",
+        "portfolio_ledger",
+        ["portfolio_id", sa.text("recorded_at DESC")],
+        unique=False,
+    )
+    op.create_index(
+        "idx_portfolios_broker_status_updated",
+        "portfolios",
+        ["broker", "status", sa.text("updated_at DESC")],
+        unique=False,
+    )
+
+    bind = op.get_bind()
+    has_timescaledb = bind.execute(sa.text("SELECT EXISTS (SELECT 1 FROM pg_extension WHERE extname = 'timescaledb')")).scalar()
+    if has_timescaledb:
+        bind.execute(sa.text("SELECT create_hypertable('portfolio_ledger', 'recorded_at', if_not_exists => TRUE)"))
+
+
+def downgrade() -> None:
+    op.drop_index("idx_portfolios_broker_status_updated", table_name="portfolios")
+    op.drop_index("idx_portfolio_ledger_portfolio_time", table_name="portfolio_ledger")
+    op.drop_table("portfolio_ledger")
+    op.drop_table("portfolios")
+    op.drop_table("strategy_sets")