feat: add scoped alpha sync and local self-correlation

2026-09-08 10:40:49 +08:00
parent 404a4d8a04
commit d2ccd94721
28 changed files with 1656 additions and 69 deletions
@@ -0,0 +1,25 @@
+"""Persist local self-correlation independently of platform snapshots."""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0003"
+down_revision = "0002"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "self_correlations",
+        sa.Column("alpha_id", sa.String(100), sa.ForeignKey("alphas.id"), primary_key=True),
+        sa.Column("region", sa.String(50), nullable=True),
+        sa.Column("result", sa.JSON(), nullable=False),
+        sa.Column("stale", sa.Boolean(), nullable=False),
+        sa.Column("calculated_at", sa.DateTime(timezone=True), nullable=False),
+    )
+    op.create_index("ix_self_correlations_region", "self_correlations", ["region"])
+
+
+def downgrade():
+    op.drop_table("self_correlations")