fix(pdf): add t, top-p and top-k params (flare-foundation#105)

Author: dineshpinto

.gitignore

@@ -17,4 +17,5 @@ wheels/
 
 
 # sqlite
-*.db
+*.db
+*.pdf

examples/05_ingest_pdf.py

@@ -128,6 +128,9 @@ async def main() -> None:
         model=app_settings.agent.gemini_model,
         tools=[read_pdf_text_tool],
         instruction=pdf_agent_instruction,
+        generate_content_config=types.GenerateContentConfig(
+            temperature=0.0, top_k=1, top_p=0.3, candidate_count=1
+        ),
     )
 
     # Mock onchain contract posting

examples/data/examples/data/sample_invoice.pdf

@@ -64,14 +64,23 @@ class PDFFieldExtractionSettings(BaseSettings):
     """Specifies fields to extract from a PDF and their locations."""
 
     field_name: str = Field(description="The name of the field to extract.")
-    x0: int = Field(description="The starting x-coordinate of the bounding box.")
-    y0: int = Field(description="The starting y-coordinate of the bounding box.")
-    x1: int = Field(description="The ending x-coordinate of the bounding box.")
-    y1: int = Field(description="The ending y-coordinate of the bounding box.")
     data_type: str = Field(
         "string",
         description="The data type of the field (e.g., 'string', 'integer', 'date').",
     )
+    # For deterministic extraction pipeline
+    x0: int | None = Field(
+        default=None, description="The starting x-coordinate of the bounding box."
+    )
+    y0: int | None = Field(
+        default=None, description="The starting y-coordinate of the bounding box."
+    )
+    x1: int | None = Field(
+        default=None, description="The ending x-coordinate of the bounding box."
+    )
+    y1: int | None = Field(
+        default=None, description="The ending y-coordinate of the bounding box."
+    )
 
 
 class PDFTemplateSettings(BaseSettings):