feat: add advisory product comparison tool

2026-09-11 19:20:32 +08:00
parent 6757ca047d
commit b6429e0e9c
8 changed files with 227 additions and 3 deletions
@@ -0,0 +1,13 @@
+"""Read-only contract for comparing exchange-traded products."""
+
+from typing import Annotated
+
+from pydantic import BaseModel, ConfigDict, Field, StringConstraints
+
+ProductCode = Annotated[str, StringConstraints(pattern=r"^\d{6}$")]
+
+
+class ProductComparisonQuery(BaseModel):
+    model_config = ConfigDict(extra="forbid", frozen=True)
+
+    product_codes: Annotated[tuple[ProductCode, ...], Field(min_length=2, max_length=4)]