docs fixes (claude)

Author: akdor1154

docs/api.rst

@@ -42,7 +42,7 @@ Changing Parameter Values
 
 .. automodule:: csql
    :members:
-   :exclude-members: Q, Parameters, Query, RenderedQuery, ParameterValue
+   :exclude-members: Q, Parameters, Query, RenderedQuery, ParameterValue, ParameterPlaceholder
    :undoc-members:
 
    Q()

docs/conf.py

@@ -128,7 +128,10 @@ def check_output(self, want, got, optionflags):
 # set_type_checking_flag = True
 
 # -- intersphinx
-intersphinx_mapping = {"pandas": ("https://pandas.pydata.org/docs/", None)}
+intersphinx_mapping = {
+	"python": ("https://docs.python.org/3", None),
+	"pandas": ("https://pandas.pydata.org/docs/", None),
+}
 
 autosummary_generate = False
 autosummary_imported_members = True