major update

app/schemas/sr_level.py

@@ -19,9 +19,22 @@ class SRLevelResult(BaseModel):
     created_at: datetime
 
 
+class SRZoneResult(BaseModel):
+    """A clustered S/R zone spanning a price range."""
+
+    low: float
+    high: float
+    midpoint: float
+    strength: int = Field(ge=0, le=100)
+    type: Literal["support", "resistance"]
+    level_count: int
+
+
 class SRLevelResponse(BaseModel):
     """Envelope-ready S/R levels response."""
 
     symbol: str
     levels: list[SRLevelResult]
+    zones: list[SRZoneResult] = []
+    visible_levels: list[SRLevelResult] = []
     count: int