fix: bump history limits to 100k so all-time shows full dataset

src/postgres_history.py

@@ -21,8 +21,8 @@ class PostgresHistory:
         end: datetime.datetime,
         limit: int = 2000,
     ) -> List[Dict]:
-        if not 1 <= limit <= 10000:
-            raise ValueError("limit must be between 1 and 10000")
+        if not 1 <= limit <= 100000:
+            raise ValueError("limit must be between 1 and 100000")
         if start >= end:
             raise ValueError("start must be before end")
 

src/web_api.py

@@ -452,7 +452,7 @@ async def get_thaiwater_sensors():
 async def get_postgres_history(
     station_code: str,
     hours: int = Query(168, ge=1),
-    limit: int = Query(2000, ge=1, le=10000),
+    limit: int = Query(50000, ge=1, le=100000),
 ):
     """Get historical measurements for a station from PostgreSQL."""
     cache_key = f"{station_code}:{hours}:{limit}"