diff --git a/.vault/src/lib.rs.yml b/.vault/src/lib.rs.yml
new file mode 100644
index 0000000..5196977
--- /dev/null
+++ b/.vault/src/lib.rs.yml
@@ -0,0 +1,10 @@
+notes:
+  - id: "15b7c4b3-f4a6-4cc1-accb-428f344cc597"
+    source_file: src/lib.rs
+    anchor: 
+      type: Line
+      line: 3
+      column: 1
+    content: Parser trait 검토
+    created_at: "2026-06-03T17:42:17.853037Z"
+    updated_at: "2026-06-03T17:42:17.853037Z"
\ No newline at end of file
diff --git a/.vault/src/main.rs.yml b/.vault/src/main.rs.yml
index c91a7fe..e488617 100644
--- a/.vault/src/main.rs.yml
+++ b/.vault/src/main.rs.yml
@@ -5,6 +5,15 @@ notes:
       type: Line
       line: 10
       column: 5
-    content: new content
+    content: parser 구조 재설계 필요
     created_at: "2026-06-03T15:06:39.025847Z"
-    updated_at: "2026-06-03T15:09:37.992766Z"
\ No newline at end of file
+    updated_at: "2026-06-03T17:46:35.020863Z"
+  - id: "281aba1a-1773-4816-8a97-5c3aed2c7cb8"
+    source_file: src/main.rs
+    anchor: 
+      type: Line
+      line: 10
+      column: 5
+    content: parser 개선 필요
+    created_at: "2026-06-03T17:42:07.293178Z"
+    updated_at: "2026-06-03T17:42:07.293178Z"
\ No newline at end of file
diff --git a/.vault/src/service.rs.yml b/.vault/src/service.rs.yml
new file mode 100644
index 0000000..db41138
--- /dev/null
+++ b/.vault/src/service.rs.yml
@@ -0,0 +1,10 @@
+notes:
+  - id: "4982741d-a48e-4212-a64a-7e23a8e5810c"
+    source_file: src/service.rs
+    anchor: 
+      type: Line
+      line: 25
+      column: 8
+    content: TODO cache optimization
+    created_at: "2026-06-03T17:42:24.547690Z"
+    updated_at: "2026-06-03T17:42:24.547690Z"
\ No newline at end of file