Zipstack · chandrasekharan-zipstack · Aug 11, 2026 · Aug 11, 2026
diff --git a/unstract/sdk1/pyproject.toml b/unstract/sdk1/pyproject.toml
@@ -47,7 +47,7 @@ dependencies = [
     "pdfplumber>=0.11.2",
     "redis>=5.2.1",
     # # LLMWhisperer client
-    "llmwhisperer-client>=2.6.2",
+    "llmwhisperer-client>=2.8.0",
     # # Core utilities (Redis Sentinel-aware client factory, etc.)
     "unstract-core",
 ]

diff --git a/unstract/sdk1/src/unstract/sdk1/adapters/x2text/llm_whisperer_v2/src/constants.py b/unstract/sdk1/src/unstract/sdk1/adapters/x2text/llm_whisperer_v2/src/constants.py
@@ -60,12 +60,14 @@ class WhispererConfig:
     MEDIAN_FILTER_SIZE = "median_filter_size"
     GAUSSIAN_BLUR_RADIUS = "gaussian_blur_radius"
     LINE_SPLITTER_TOLERANCE = "line_splitter_tolerance"
-    LINE_SPLITTER_STRATEGY = "line_spitter_strategy"
+    LINE_SPLITTER_STRATEGY = "line_splitter_strategy"
     HORIZONTAL_STRETCH_FACTOR = "horizontal_stretch_factor"
     PAGES_TO_EXTRACT = "pages_to_extract"
     MARK_VERTICAL_LINES = "mark_vertical_lines"
     MARK_HORIZONTAL_LINES = "mark_horizontal_lines"
+    # Misspelling retained: correcting the JSON schema key means migrating saved configs
     PAGE_SEPARATOR = "page_seperator"
+    PAGE_SEPARATOR_PARAM = "page_separator"
     URL_IN_POST = "url_in_post"
     TAG = "tag"
     USE_WEBHOOK = "use_webhook"
@@ -78,6 +80,7 @@ class WhispererConfig:
     INCLUDE_LINE_CONFIDENCE = "include_line_confidence"
     EXTRACT_ALL_LINES = "extract_all_lines"
     LINES = "lines"
+    FILE_NAME = "file_name"
 
 
 class WhisperStatus:

diff --git a/unstract/sdk1/src/unstract/sdk1/adapters/x2text/llm_whisperer_v2/src/helper.py b/unstract/sdk1/src/unstract/sdk1/adapters/x2text/llm_whisperer_v2/src/helper.py
@@ -200,7 +200,7 @@ def get_whisperer_params(
                 WhispererConfig.MARK_HORIZONTAL_LINES,
                 WhispererDefaults.MARK_HORIZONTAL_LINES,
             ),
-            WhispererConfig.PAGE_SEPARATOR: config.get(
+            WhispererConfig.PAGE_SEPARATOR_PARAM: config.get(
                 WhispererConfig.PAGE_SEPARATOR,
                 WhispererDefaults.PAGE_SEPARATOR,
             ),
@@ -260,6 +260,8 @@ def send_whisper_request(
         params = LLMWhispererHelper.get_whisperer_params(
             config=config, extra_params=extra_params
         )
+        # Recorded against the extraction for cross referencing in usage reports
+        params[WhispererConfig.FILE_NAME] = Path(input_file_path).name
         response: requests.Response
         try:
             input_file_data = BytesIO(fs.read(path=input_file_path, mode="rb"))

diff --git a/unstract/sdk1/tests/test_llm_whisperer_v2_params.py b/unstract/sdk1/tests/test_llm_whisperer_v2_params.py
@@ -0,0 +1,27 @@
+"""Tests for the query params the LLMWhisperer V2 adapter sends."""
+
+from unstract.sdk1.adapters.x2text.llm_whisperer_v2.src.dto import (
+    WhispererRequestParams,
+)
+from unstract.sdk1.adapters.x2text.llm_whisperer_v2.src.helper import LLMWhispererHelper
+
+
+def _params(config: dict) -> dict:
+    return LLMWhispererHelper.get_whisperer_params(
+        config=config, extra_params=WhispererRequestParams()
+    )
+
+
+def test_line_splitter_strategy_from_config() -> None:
+    """The key stored by the adapter's JSON schema is the one that is read."""
+    params = _params({"line_splitter_strategy": "right-priority"})
+
+    assert params["line_splitter_strategy"] == "right-priority"
+
+
+def test_page_separator_read_under_legacy_config_key() -> None:
+    """Existing configs store the misspelled key but the client kwarg is correct."""
+    params = _params({"page_seperator": "<<< {{page_no}} >>>"})
+
+    assert params["page_separator"] == "<<< {{page_no}} >>>"
+    assert "page_seperator" not in params