feat: mypy for all type check (#10921)

api/mypy.ini

@@ -0,0 +1,10 @@
+[mypy]
+warn_return_any = True
+warn_unused_configs = True
+check_untyped_defs = True
+exclude = (?x)(
+    core/tools/provider/builtin/
+    | core/model_runtime/model_providers/
+    | tests/
+    | migrations/
+  )