From 9618dc895b233b79f6b4d45f38b41658b012cfbc Mon Sep 17 00:00:00 2001
From: Chaim <chaim@marcus-law.co.il>
Date: Wed, 17 Jun 2026 17:17:00 +0000
Subject: [PATCH] =?UTF-8?q?feat(chunker):=20=D7=94=D7=95=D7=A1=D7=A4=D7=AA?=
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 =?UTF-8?q?=D7=AA-=D7=94=D7=9E=D7=A9=D7=A4=D7=98=20(parties=5Fclaims)?=
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פסקי-דין של ביהמ"ש העליון/מנהלי משתמשים בנוסחאות שונות מוועדת הערר:
- "טענות הצדדים" / "טיעוני הצדדים" — סוג חדש parties_claims
- "טיעוני המערערים/ת" — מוסף ל-appellant_claims
- "טיעוני המשיבים/ה" — מוסף ל-respondent_claims

parties_claims הוסף ל-NON_REASONING_SECTIONS בhalacha_extractor
כדי שלא יוזנו לחילוץ הלכות (בדיוק כמו appellant_claims/respondent_claims).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 mcp-server/src/legal_mcp/services/chunker.py  | 19 ++++++++++++-------
 .../legal_mcp/services/halacha_extractor.py   |  2 +-
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/mcp-server/src/legal_mcp/services/chunker.py b/mcp-server/src/legal_mcp/services/chunker.py
index e41656d..54020aa 100644
--- a/mcp-server/src/legal_mcp/services/chunker.py
+++ b/mcp-server/src/legal_mcp/services/chunker.py
@@ -22,18 +22,23 @@ from legal_mcp import config
 # court rulings use slightly different vocabulary (פסק דין, נימוקים, סוף דבר).
 SECTION_PATTERNS = [
     (r"רקע\s*עובדתי|רקע\s*כללי|העובדות|הרקע", "facts"),
-    # appellant_claims: covers singular (עורר/עוררת, מערער/מערערת) and plural
-    # (עוררים/עוררין, מערערים). Previously only plural was matched, so headers
-    # like "טענות העורר:" were silently absorbed into the preceding section.
+    # parties_claims: bilateral section common in Supreme Court / administrative
+    # court decisions ("טענות הצדדים", "טיעוני הצדדים"). Not split by side.
     (
-        r"(?:טענות|עיקר\s*טענות)\s*ה(?:עוררי[םן]|עורר[ת]?|מערערי[םן]|מערער[ת]?)",
+        r"(?:טענות|טיעוני|עמדות)\s*הצדדים",
+        "parties_claims",
+    ),
+    # appellant_claims: covers singular (עורר/עוררת, מערער/מערערת) and plural
+    # (עוררים/עוררין, מערערים), plus court-format verb "טיעוני".
+    (
+        r"(?:טענות|עיקר\s*טענות|טיעוני)\s*ה(?:עוררי[םן]|עורר[ת]?|מערערי[םן]|מערער[ת]?)",
         "appellant_claims",
     ),
     # respondent_claims: covers singular (משיב/משיבה) and plural (משיבים/משיבין),
-    # plus verb forms תשובת/תגובת. "טענות המשיבה:" (feminine singular) was the
-    # root cause of halacha 8181-21 index-11 being extracted from party claims.
+    # plus verb forms תשובת/תגובת/טיעוני. "טענות המשיבה:" (feminine singular) was
+    # the root cause of halacha 8181-21 index-11 being extracted from party claims.
     (
-        r"(?:טענות|תשובת|תגובת|עיקר\s*טענות)\s*ה(?:משיבי[םן]|משיב[ה]?)",
+        r"(?:טענות|תשובת|תגובת|עיקר\s*טענות|טיעוני)\s*ה(?:משיבי[םן]|משיב[ה]?)",
         "respondent_claims",
     ),
     (r"דיון\s*והכרעה|דיון|הכרעה|ניתוח\s*משפטי|המסגרת\s*המשפטית|נימוקים", "legal_analysis"),
diff --git a/mcp-server/src/legal_mcp/services/halacha_extractor.py b/mcp-server/src/legal_mcp/services/halacha_extractor.py
index 796c011..6f0a148 100644
--- a/mcp-server/src/legal_mcp/services/halacha_extractor.py
+++ b/mcp-server/src/legal_mcp/services/halacha_extractor.py
@@ -101,7 +101,7 @@ EXTRACTABLE_SECTIONS = ("legal_analysis", "ruling", "conclusion")
 # reasoning that merely landed under 'other' is still reached. Raises precision
 # on the dominant Facts↔Reasoning confusion class (#81.6; INV-LRN2
 # quality-at-source; LegalSeg / rhetorical-role labeling).
-NON_REASONING_SECTIONS = ("facts", "appellant_claims", "respondent_claims", "intro")
+NON_REASONING_SECTIONS = ("facts", "appellant_claims", "respondent_claims", "parties_claims", "intro")
 
 
 # Two prompts — choose by source's is_binding flag.