Initial commit: LogHive centralized log management system

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/app/models/log.py

@@ -0,0 +1,37 @@
+"""Log entry model — stored in PostgreSQL."""
+
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import DateTime, Index, Integer, String, Text
+from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.database import Base
+
+
+class LogEntry(Base):
+    __tablename__ = "log_entries"
+
+    id: Mapped[str] = mapped_column(
+        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
+    )
+    project_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
+    project_name: Mapped[str] = mapped_column(String(128), nullable=False, index=True)
+    timestamp: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, index=True,
+        default=lambda: datetime.now(timezone.utc),
+    )
+    level: Mapped[str] = mapped_column(String(16), nullable=False, index=True)
+    logger: Mapped[str] = mapped_column(String(128), default="root")
+    message: Mapped[str] = mapped_column(Text, nullable=False)
+    module: Mapped[str | None] = mapped_column(String(256), nullable=True)
+    function: Mapped[str | None] = mapped_column(String(128), nullable=True)
+    line_no: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    trace_id: Mapped[str | None] = mapped_column(String(64), nullable=True, index=True)
+    exception: Mapped[str | None] = mapped_column(Text, nullable=True)
+    extra: Mapped[dict] = mapped_column(JSONB, default=dict)
+
+    __table_args__ = (
+        Index("ix_log_entries_project_time", "project_id", timestamp.desc()),
+    )