diff --git a/docs/schema/public.spec_documents.md b/docs/schema/public.spec_documents.md
index 213e185..c1d706d 100644
--- a/docs/schema/public.spec_documents.md
+++ b/docs/schema/public.spec_documents.md
@@ -36,6 +36,7 @@
 | uq_spec_documents_user_analysis_lang_version   | CREATE UNIQUE INDEX uq_spec_documents_user_analysis_lang_version ON public.spec_documents USING btree (user_id, analysis_id, language, version)              |
 | uq_spec_documents_user_hash_lang_model_version | CREATE UNIQUE INDEX uq_spec_documents_user_hash_lang_model_version ON public.spec_documents USING btree (user_id, content_hash, language, model_id, version) |
 | idx_spec_documents_user_created                | CREATE INDEX idx_spec_documents_user_created ON public.spec_documents USING btree (user_id, created_at)                                                      |
+| idx_spec_documents_content_hash_lang_model     | CREATE INDEX idx_spec_documents_content_hash_lang_model ON public.spec_documents USING btree (content_hash, language, model_id)                              |
 
 ## Relations
 
diff --git a/docs/schema/schema.json b/docs/schema/schema.json
index 6a704e3..aada021 100644
--- a/docs/schema/schema.json
+++ b/docs/schema/schema.json
@@ -1692,6 +1692,12 @@
           "def": "CREATE INDEX idx_spec_documents_user_created ON public.spec_documents USING btree (user_id, created_at)",
           "table": "public.spec_documents",
           "columns": ["user_id", "created_at"]
+        },
+        {
+          "name": "idx_spec_documents_content_hash_lang_model",
+          "def": "CREATE INDEX idx_spec_documents_content_hash_lang_model ON public.spec_documents USING btree (content_hash, language, model_id)",
+          "table": "public.spec_documents",
+          "columns": ["content_hash", "language", "model_id"]
         }
       ],
       "constraints": [