Non-consumable products updation

app/services/consumability.py

@@ -54,9 +54,11 @@ bad import. Any single list is stale the moment somebody adds a category.
        catalogue actually contains.
     2. Failing that, the HSN chapter the category resolves to. The tariff's own
        classification, already maintained here for tax purposes.
-    3. Failing that, the product title, through the same commodity lexicon and
+    3. Failing that, the product title: first a non-food brand or product-line
+       name (see `_NON_FOOD_LINE_WORDS`), then the same commodity lexicon and
        category detector the ingestion pipeline uses.
-    4. Failing that, UNKNOWN - which enriches nothing and deletes nothing.
+    4. Failing that, UNKNOWN - which deletes nothing, and which the write paths
+       still enrich, so every non-food line that reaches it is a leak.
 
 WHY THE HSN RANGE IS NOT SIMPLY 01-24
 --------------------------------------
@@ -109,7 +111,7 @@ class Edibility(str, Enum):
 class EdibilityVerdict:
     edibility: Edibility
     reason: str   # human-readable; the purge audit prints this
-    signal: str   # category_map | hsn_chapter | title_lexicon | title_keyword | none
+    signal: str   # category_map | hsn_chapter | title_brand_line | title_lexicon | title_keyword | none
 
 
 # ---------------------------------------------------------------------------
@@ -227,6 +229,29 @@ _FOOD_TITLE_WORDS = frozenset({
     "chyawanprash", "chyavanprash", "honey", "malt",
 })
 
+# Brand and product-line names sold ONLY as non-food, consulted before the food
+# words above. These exist for the uninformative "General" category: a title like
+# "Colgate-Palmolive Palmolive Naturals 350g" names no article at all, so neither
+# word list nor the lexicon recognises it, the verdict is UNKNOWN - and the write
+# paths refuse only NON_CONSUMABLE, so it was scored. Checked before the food
+# words because Palmolive sells a "Milk & Honey" range and "honey" is food.
+#
+# Deliberately conservative: a name any food range also uses stays out, because
+# a hit here outranks every food word. Left out on purpose: "dove" (Mars
+# chocolate), "himalaya" (supplements), "parachute" (edible coconut oil),
+# "hit", "wheel", "tide" (ordinary words). Only reached when the category says
+# nothing, so a real category always wins.
+_NON_FOOD_LINE_WORDS = frozenset({
+    # personal care
+    "palmolive", "colgate", "lifebuoy", "lux", "dettol", "savlon", "santoor",
+    "cinthol", "pears", "hamam", "medimix", "margo", "fiama", "vivel", "rexona",
+    "pantene", "sunsilk", "nivea", "vaseline", "ponds", "closeup", "pepsodent",
+    "sensodyne",
+    # household
+    "ariel", "surf", "rin", "vim", "harpic", "lizol", "odonil", "goodknight",
+    "allout", "mortein",
+})
+
 _WORD_RE = re.compile(r"[a-z0-9]+")
 
 
@@ -306,6 +331,15 @@ def classify_edibility(category: Optional[str], title: str = "") -> EdibilityVer
     if text:
         words = _words(text)
 
+        line_hit = words & _NON_FOOD_LINE_WORDS
+        if line_hit:
+            return EdibilityVerdict(
+                Edibility.NON_CONSUMABLE,
+                f"title {title!r} names a non-food brand or line "
+                f"({sorted(line_hit)[0]!r})",
+                "title_brand_line",
+            )
+
         food_hit = words & _FOOD_TITLE_WORDS
         if food_hit:
             return EdibilityVerdict(