From ef3bad811abc57b2741b270634d185b0ab78b73e Mon Sep 17 00:00:00 2001
From: aecsocket <43144841+aecsocket@users.noreply.github.com>
Date: Sun, 2 Aug 2026 16:38:22 +0100
Subject: [PATCH] approach parity even without explicit parity enabled

---
 .../src/search/backend/elasticsearch/mod.rs   | 65 ++++++++++++++++---
 .../backend/elasticsearch/typesense_parity.rs |  2 -
 2 files changed, 56 insertions(+), 11 deletions(-)

diff --git a/apps/labrinth/src/search/backend/elasticsearch/mod.rs b/apps/labrinth/src/search/backend/elasticsearch/mod.rs
index 9fdac2204b..ebcbf60f6f 100644
--- a/apps/labrinth/src/search/backend/elasticsearch/mod.rs
+++ b/apps/labrinth/src/search/backend/elasticsearch/mod.rs
@@ -739,6 +739,12 @@ impl Elasticsearch {
 					"project_id": {"type": "keyword"},
 					"project_types": {"type": "keyword"},
 					"all_project_types": {"type": "keyword"},
+					"slug": Self::native_text_field_schema(),
+					"author": Self::native_text_field_schema(),
+					"indexed_author": Self::native_text_field_schema(),
+					"name": Self::native_text_field_schema(),
+					"indexed_name": Self::native_text_field_schema(),
+					"summary": Self::native_text_field_schema(),
 					"categories": {"type": "keyword"},
 					"project_categories": {"type": "keyword"},
 					"display_categories": {"type": "keyword"},
@@ -779,6 +785,22 @@ impl Elasticsearch {
 		})
 	}
 
+	fn native_text_field_schema() -> Value {
+		json!({
+			"type": "text",
+			"index_prefixes": {
+				"min_chars": 1,
+				"max_chars": 10
+			},
+			"fields": {
+				"keyword": {
+					"type": "keyword",
+					"ignore_above": 256
+				}
+			}
+		})
+	}
+
 	async fn import_projects(
 		&self,
 		indices: &[String],
@@ -862,20 +884,45 @@ impl Elasticsearch {
 		}
 
 		json!({
-			"multi_match": {
-				"query": query,
-				"fields": [
-					"name",
-					"indexed_name",
-					"slug",
-					"author",
-					"indexed_author",
-					"summary"
+			"dis_max": {
+				"queries": [
+					Self::native_prefix_tier(query, &["name"], 4),
+					Self::native_prefix_tier(
+						query,
+						&["indexed_name", "slug"],
+						3,
+					),
+					Self::native_prefix_tier(
+						query,
+						&["author", "indexed_author"],
+						2,
+					),
+					Self::native_prefix_tier(query, &["summary"], 1),
 				]
 			}
 		})
 	}
 
+	fn native_prefix_tier(
+		query: &str,
+		fields: &[&str],
+		boost: u8,
+	) -> Value {
+		json!({
+			"constant_score": {
+				"filter": {
+					"multi_match": {
+						"query": query,
+						"type": "bool_prefix",
+						"operator": "and",
+						"fields": fields
+					}
+				},
+				"boost": boost
+			}
+		})
+	}
+
 	async fn search_for_project_raw_native(
 		&self,
 		info: &SearchRequest,
diff --git a/apps/labrinth/src/search/backend/elasticsearch/typesense_parity.rs b/apps/labrinth/src/search/backend/elasticsearch/typesense_parity.rs
index 8da91481b0..1cf44f1539 100644
--- a/apps/labrinth/src/search/backend/elasticsearch/typesense_parity.rs
+++ b/apps/labrinth/src/search/backend/elasticsearch/typesense_parity.rs
@@ -1852,8 +1852,6 @@ impl Elasticsearch {
 	pub(super) fn typesense_parity_index_schema() -> Value {
 		json!({
 			"settings": {
-				"number_of_shards": 3,
-				"number_of_replicas": 1,
 				"refresh_interval": "30s",
 				"index.mapping.total_fields.limit": 5000,
 				"analysis": {