feat(bot): add bot account ownership and balance

bot/db/models.py

@@ -1,7 +1,7 @@
 from datetime import datetime, timezone
 
-from sqlalchemy import BigInteger, Boolean, DateTime, String
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy import BigInteger, Boolean, DateTime, ForeignKey, String, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from bot.db.base import Base
 
@@ -19,9 +19,38 @@ class User(Base):
     first_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
     last_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
     is_admin: Mapped[bool] = mapped_column(Boolean, default=False)
+    balance_credits: Mapped[int] = mapped_column(BigInteger, default=0, nullable=False)
     created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now)
     updated_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True),
         default=utc_now,
         onupdate=utc_now,
     )
+    bots: Mapped[list["BotAccount"]] = relationship(back_populates="owner", cascade="all, delete-orphan")
+
+
+class AppSetting(Base):
+    __tablename__ = "app_settings"
+
+    key: Mapped[str] = mapped_column(String(128), primary_key=True)
+    integer_value: Mapped[int] = mapped_column(BigInteger, nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now, onupdate=utc_now)
+    updated_by: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
+
+
+class BotAccount(Base):
+    __tablename__ = "bot_accounts"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    owner_id: Mapped[int] = mapped_column(ForeignKey("users.id"), index=True)
+    bot_name: Mapped[str] = mapped_column(String(255), unique=True, index=True)
+    steam_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
+    source_filename: Mapped[str] = mapped_column(String(255))
+    config_sha256: Mapped[str] = mapped_column(String(64), index=True)
+    upload_state: Mapped[str] = mapped_column(String(32), default="attached")
+    last_error: Mapped[str | None] = mapped_column(Text, nullable=True)
+    is_attached: Mapped[bool] = mapped_column(Boolean, default=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now)
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now, onupdate=utc_now)
+    attached_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    owner: Mapped[User] = relationship(back_populates="bots")