FIX : Incorrect value mapping when filling multi-page PDFs in FireForm.

src/filler.py

@@ -28,14 +28,14 @@ def fill_form(self, pdf_form: str, llm: LLM):
         # Read PDF
         pdf = PdfReader(pdf_form)
 
+        i = 0
         # Loop through pages
         for page in pdf.pages:
             if page.Annots:
                 sorted_annots = sorted(
                     page.Annots, key=lambda a: (-float(a.Rect[1]), float(a.Rect[0]))
                 )
 
-                i = 0
                 for annot in sorted_annots:
                     if annot.Subtype == "/Widget" and annot.T:
                         if i < len(answers_list):

src/inputs/input.txt

@@ -1 +1,10 @@
-Officer Voldemort here, at an incident reported at 456 Oak Street. Two victims, Mark Smith and Jane Doe. Medical aid rendered for minor lacerations. Handed off to Sheriff's Deputy Alvarez. End of transmission.
+UC Vaccine Declination Statement
+
+Name/SID: Sarah Johnson, SID 4527891
+Job Title: Research Scientist
+Department: Microbiology
+Phone Number: 831-555-0142
+Email: sjohnson@ucsc.edu
+Date: 03/15/2026
+
+Signature: ________________________

src/test/test_filler_multi_page.py

@@ -0,0 +1,53 @@
+from src.filler import Filler
+
+
+class DummyAnnot:
+    def __init__(self, x, y):
+        self.Subtype = "/Widget"
+        self.T = "(field)"
+        self.Rect = [str(x), str(y), str(x + 10), str(y + 10)]
+        self.V = None
+        self.AP = "placeholder"
+
+
+class DummyPage:
+    def __init__(self, annots):
+        self.Annots = annots
+
+
+class DummyPdf:
+    def __init__(self, pages):
+        self.pages = pages
+
+
+class DummyWriter:
+    def write(self, output_pdf, pdf):
+        return None
+
+
+class DummyLLM:
+    def __init__(self, data):
+        self._data = data
+
+    def main_loop(self):
+        return self
+
+    def get_data(self):
+        return self._data
+
+
+def test_fill_form_keeps_value_index_across_pages(monkeypatch):
+    page_one_annot = DummyAnnot(0, 100)
+    page_two_annot = DummyAnnot(0, 100)
+    dummy_pdf = DummyPdf([DummyPage([page_one_annot]), DummyPage([page_two_annot])])
+
+    monkeypatch.setattr("src.filler.PdfReader", lambda *_args, **_kwargs: dummy_pdf)
+    monkeypatch.setattr("src.filler.PdfWriter", lambda: DummyWriter())
+
+    llm = DummyLLM({"field1": "value-1", "field2": "value-2"})
+    filler = Filler()
+
+    filler.fill_form("form.pdf", llm)
+
+    assert page_one_annot.V == "value-1"
+    assert page_two_annot.V == "value-2"