docs: sync Polymarket docs updates 2026-07-10

Updated 21 files:
- trading/orders: overview, create
- developers/CLOB/orders: orders, create-order, create-order-batch, get-order, get-active-order, check-scoring, onchain-order-info
- developers/CLOB/status
- market-makers: trading, maker-rebates, combos
- trading/fees, market-makers maker-rebates-program, trading/fees
- dev-tooling: python, typescript
- api-reference/core: get-trades-for-a-user-or-markets, get-user-activity
- changelog/changelog

docs/api-reference/core/get-trades-for-a-user-or-markets.md

@@ -98,6 +98,23 @@ paths:
             enum:
               - BUY
               - SELL
+        - in: query
+          name: start
+          schema:
+            type: integer
+            minimum: 0
+          description: >-
+            Lower-bound timestamp (epoch seconds) for the trade window. Omit or
+            pass `0` for the default window (most recent ~3 years); pass a
+            positive epoch (e.g. `1`) to retrieve full history.
+        - in: query
+          name: end
+          schema:
+            type: integer
+            minimum: 0
+          description: >-
+            Upper-bound timestamp (epoch seconds) for the trade window. Omit for
+            the default (current time); rows newer than `end` are excluded.
       responses:
         '200':
           description: Success

docs/api-reference/core/get-user-activity.md

@@ -108,6 +108,9 @@ paths:
           schema:
             type: integer
             minimum: 0
+          description: >-
+            Upper-bound timestamp (epoch seconds) for the activity window. Omit
+            for the default (current time); rows newer than `end` are excluded.
         - in: query
           name: sortBy
           schema: