Ship item nicknames, Tiny fear override, and ensure-match API.

Add 冰眼/蛇矛 aliases, correct Tiny fears to Hydra's Breath, and fix production match detail POST 405.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/data/hero_item_fears.json

@@ -2,7 +2,7 @@
   "meta": {
     "source": "rules+valve+opendota",
     "attribution": "derived from items_meta.json + hero_abilities.json",
-    "fetched_at": "2026-07-28T16:06:06.680383+00:00",
+    "fetched_at": "2026-07-31T19:14:17.668808+00:00",
     "top_n": 8,
     "heroes": 127,
     "overrides": "data/hero_fear_overrides.json",
@@ -1485,21 +1485,6 @@
       }
     ],
     "tiny": [
-      {
-        "item": "lotus_orb",
-        "name_loc": "清莲宝珠",
-        "tags": [
-          "spell_reflect"
-        ],
-        "reason": "反射点目标技能",
-        "stats": {
-          "games": 541,
-          "purchase_rate": 0.164738,
-          "win_rate": 0.57671,
-          "purchase_lift": -0.013412,
-          "win_delta": 0.00486
-        }
-      },
       {
         "item": "black_king_bar",
         "name_loc": "黑皇杖",
@@ -1515,6 +1500,12 @@
           "win_delta": 0.00552
         }
       },
+      {
+        "item": "hydras_breath",
+        "name_loc": "怪蛇之息",
+        "tags": [],
+        "reason": "瘴毒按最大生命百分比持续消耗高血量小小"
+      },
       {
         "item": "sphere",
         "name_loc": "林肯法球",