docs(sdk): clarify default PDF page cap

Author: VinciGit00

README.md

@@ -140,7 +140,7 @@ res = sgai.extract(
 Search the web and optionally extract structured data.
 
 ```python
-from scrapegraph_py import PdfProcessor, ScrapeGraphAI
+from scrapegraph_py import ScrapeGraphAI
 
 sgai = ScrapeGraphAI()
 
@@ -153,13 +153,13 @@ res = sgai.search(
     time_range="past_week",             # optional
     location_geo_code="us",             # optional
     allowed_types=["text/html", "application/pdf"],  # optional MIME allowlist
-    processors=[PdfProcessor(max_pages=10)],          # optional PDF page cap
 )
 ```
 
 By default `search` accepts every supported content type, including PDFs, and processes up to 25
-pages per PDF. Use `allowed_types` to restrict accepted MIME types. Configure PDF processing
-separately with `processors`; `max_pages` accepts `1`–`500`, or `-1` for no page limit.
+pages per PDF. You do not need to send `processors` or `max_pages` for this default. Use
+`allowed_types` to restrict accepted MIME types. Only configure `processors` to override the cap;
+`PdfProcessor()` also defaults to 25, while `max_pages` accepts `1`–`500`, or `-1` for no page limit.
 
 ### crawl
 

tests/test_schemas.py

@@ -29,6 +29,17 @@ def test_documented_pdf_configuration(request_model, base):
     ]
 
 
+@pytest.mark.parametrize(("request_model", "base"), REQUESTS)
+def test_default_pdf_cap_can_be_omitted(request_model, base):
+    request = request_model(**base)
+    assert "processors" not in request.model_dump(by_alias=True, mode="json", exclude_none=True)
+
+    request = request_model(**base, processors=[{"type": "pdf"}])
+    assert request.model_dump(by_alias=True, mode="json", exclude_none=True)["processors"] == [
+        {"type": "pdf", "maxPages": 25}
+    ]
+
+
 @pytest.mark.parametrize(("request_model", "base"), REQUESTS)
 @pytest.mark.parametrize(
     "invalid",