From dea7b2c77be0f5d5df1fbf816fed9e8a9428dbf9 Mon Sep 17 00:00:00 2001
From: shamoon <4887959+shamoon@users.noreply.github.com>
Date: Sun, 19 Apr 2026 13:32:10 -0700
Subject: [PATCH] Normalize

---
 src/documents/search/_query.py           | 4 ++--
 src/documents/tests/search/test_query.py | 5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/documents/search/_query.py b/src/documents/search/_query.py
index b68c2d050..dbedc2973 100644
--- a/src/documents/search/_query.py
+++ b/src/documents/search/_query.py
@@ -336,7 +336,7 @@ def rewrite_natural_date_keywords(query: str, tz: tzinfo) -> str:
     - Compact 14-digit dates (YYYYMMDDHHmmss)
     - Whoosh relative ranges ([-7 days to now], [now-1h TO now+2h])
     - 8-digit dates with field awareness (created:20240115)
-    - Natural keywords (field:today, field:last_week, etc.)
+    - Natural keywords (field:today, field:"previous quarter", etc.)
 
     Args:
         query: Raw user query string
@@ -355,7 +355,7 @@ def rewrite_natural_date_keywords(query: str, tz: tzinfo) -> str:
 
     def _replace(m: regex.Match[str]) -> str:
         field = m.group("field")
-        keyword = m.group("quoted") or m.group("bare")
+        keyword = (m.group("quoted") or m.group("bare")).lower()
         if field in _DATE_ONLY_FIELDS:
             return f"{field}:{_date_only_range(keyword, tz)}"
         return f"{field}:{_datetime_range(keyword, tz)}"
diff --git a/src/documents/tests/search/test_query.py b/src/documents/tests/search/test_query.py
index fac1a9cee..05213bad6 100644
--- a/src/documents/tests/search/test_query.py
+++ b/src/documents/tests/search/test_query.py
@@ -110,7 +110,6 @@ class TestCreatedDateField:
             pytest.param(
                 "created",
                 "previous year",
-                "2026-03-23T00:00:00Z",
                 "2025-01-01T00:00:00Z",
                 "2026-01-01T00:00:00Z",
                 id="previous_year",
@@ -135,7 +134,7 @@ class TestCreatedDateField:
     def test_this_month_december_wraps_to_next_year(self) -> None:
         # December: next month must roll over to January 1 of next year
         lo, hi = _range(
-            rewrite_natural_date_keywords("created:this_month", UTC),
+            rewrite_natural_date_keywords("created:this month", UTC),
             "created",
         )
         assert lo == "2026-12-01T00:00:00Z"
@@ -145,7 +144,7 @@ class TestCreatedDateField:
     def test_last_month_january_wraps_to_previous_year(self) -> None:
         # January: last month must roll back to December 1 of previous year
         lo, hi = _range(
-            rewrite_natural_date_keywords("created:last_month", UTC),
+            rewrite_natural_date_keywords("created:previous month", UTC),
             "created",
         )
         assert lo == "2025-12-01T00:00:00Z"