diff --git a/rust/js/app.js b/rust/js/app.js
index 2435022..f59befa 100644
--- a/rust/js/app.js
+++ b/rust/js/app.js
@@ -1,5 +1,11 @@
 window.onload = function() {
     document.body.addEventListener('htmx:responseError', function(evt) {
-    console.log(evt.detail);
+        console.log(evt.detail);
     });
+
+    document.dispatchEvent(new Event("loaded"));
 };
+
+function is_positive_integer(val) {
+    return /^\d+$/.test(val);
+}
diff --git a/rust/rebuild-schema-data.sh b/rust/rebuild-schema-data.sh
index 072ccee..cc8bbac 100755
--- a/rust/rebuild-schema-data.sh
+++ b/rust/rebuild-schema-data.sh
@@ -4,4 +4,4 @@ export DATABASE_URL="sqlite://${db}"
 
 cargo sqlx database create
 cargo sqlx migrate run
-cargo sqlx prepare
+cargo sqlx prepare -- --color=always
diff --git a/rust/sqlx-data.json b/rust/sqlx-data.json
index e1e966a..2b7c0ad 100644
--- a/rust/sqlx-data.json
+++ b/rust/sqlx-data.json
@@ -86,6 +86,30 @@
     },
     "query": "\n            SELECT\n                type.id as id,\n                type.name as name,\n                inner.id IS NOT NULL AS active\n            FROM trips_types AS type\n                LEFT JOIN (\n                    SELECT type.id as id, type.name as name\n                    FROM trips as trip\n                    INNER JOIN trips_to_trips_types as ttt\n                        ON ttt.trip_id = trip.id\n                    INNER JOIN trips_types AS type\n                        ON type.id == ttt.trip_type_id\n                    WHERE trip.id = ?\n                ) AS inner\n                ON inner.id = type.id\n            "
   },
+  "4caaa7a80a3c66bb6525bd8ed226a446e131fb19f643b447b4c24824b9561e55": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Text"
+        },
+        {
+          "name": "name",
+          "ordinal": 1,
+          "type_info": "Text"
+        }
+      ],
+      "nullable": [
+        false,
+        false
+      ],
+      "parameters": {
+        "Right": 0
+      }
+    },
+    "query": "SELECT\n            id,\n            name\n        FROM trips_types"
+  },
   "4d377bb01af6bbbca637d8c61326c84e8b05b1e570199c464b593bdc81b3dba6": {
     "describe": {
       "columns": [],
@@ -96,6 +120,16 @@
     },
     "query": "INSERT INTO trips_to_trips_types\n        (trip_id, trip_type_id) VALUES (?, ?)"
   },
+  "68304c19a0bee12c0b3ce9740d53389620b20e47973b41975678dbd13bd30c7f": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 2
+      }
+    },
+    "query": "UPDATE trips_types\n        SET name = ?\n        WHERE id = ?"
+  },
   "6973cceeb5499216475136b320b25e1355974e1213829d931abdd6b7a1448a87": {
     "describe": {
       "columns": [
@@ -392,6 +426,16 @@
     },
     "query": "SELECT * FROM inventory_items AS item\n            WHERE item.id = ?"
   },
+  "ded3be1c8894a64e3b5f749461db7261d9224abb8a54da980db8262733d08205": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 2
+      }
+    },
+    "query": "INSERT INTO trips_types\n            (id, name)\n        VALUES\n            (?, ?)"
+  },
   "f2038d75ff5ff10d4baeb30b9dc4cc1c991da1facdb1f05e16f271372eee0c7a": {
     "describe": {
       "columns": [],
@@ -479,5 +523,23 @@
       }
     },
     "query": "\n                SELECT\n                    category.id as category_id,\n                    category.name as category_name,\n                    category.description AS category_description,\n                    inner.trip_id AS trip_id,\n                    inner.item_id AS item_id,\n                    inner.item_name AS item_name,\n                    inner.item_description AS item_description,\n                    inner.item_weight AS item_weight,\n                    inner.item_is_picked AS item_is_picked,\n                    inner.item_is_packed AS item_is_packed,\n                    inner.item_is_new AS item_is_new\n                FROM inventory_items_categories AS category\n                    LEFT JOIN (\n                        SELECT\n                            trip.trip_id AS trip_id,\n                            category.id as category_id,\n                            category.name as category_name,\n                            category.description as category_description,\n                            item.id as item_id,\n                            item.name as item_name,\n                            item.description as item_description,\n                            item.weight as item_weight,\n                            trip.pick as item_is_picked,\n                            trip.pack as item_is_packed,\n                            trip.new as item_is_new\n                        FROM trips_items as trip\n                        INNER JOIN inventory_items as item\n                            ON item.id = trip.item_id\n                        INNER JOIN inventory_items_categories as category\n                            ON category.id = item.category_id\n                        WHERE trip.trip_id = ?\n                    ) AS inner\n                    ON inner.category_id = category.id\n            "
+  },
+  "ff260eef6f95a3c1f8e2f822808ac250925dc0971b9bddd9015b8b24643357c9": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Text"
+        }
+      ],
+      "nullable": [
+        false
+      ],
+      "parameters": {
+        "Right": 1
+      }
+    },
+    "query": "SELECT id\n        FROM inventory_items\n        WHERE name = ?"
   }
 }
\ No newline at end of file
diff --git a/rust/src/components/inventory.rs b/rust/src/components/inventory.rs
index 27e64af..b037587 100644
--- a/rust/src/components/inventory.rs
+++ b/rust/src/components/inventory.rs
@@ -323,9 +323,11 @@ impl InventoryNewItemFormName {
                 ."justify-items-center"
                 ."items-center"
                 hx-post="/inventory/item/name/validate"
-                hx-trigger="input delay:1s, every 5s"
+                hx-trigger="input delay:1s, loaded from:document"
+
                 hx-params="new-item-name"
                 hx-swap="outerHTML"
+                #abc
             {
                 label for="name" .font-bold { "Name" }
                 input
diff --git a/rust/src/components/mod.rs b/rust/src/components/mod.rs
index 15a9a52..3cdf5bd 100644
--- a/rust/src/components/mod.rs
+++ b/rust/src/components/mod.rs
@@ -1,4 +1,4 @@
-use maud::{html, Markup, DOCTYPE};
+use maud::{html, Markup, PreEscaped, DOCTYPE};
 
 pub mod home;
 pub mod inventory;
@@ -29,7 +29,7 @@ impl Root {
                     script src="https://unpkg.com/alpinejs@3.x.x/dist/cdn.js" defer {}
                     link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@mdi/font@6.9.96/css/materialdesignicons.min.css";
                     link rel="shortcut icon" type="image/svg+xml" href="/favicon.svg";
-                    script { (include_str!(concat!(env!("CARGO_MANIFEST_DIR"),"/js/app.js"))) }
+                    script { (PreEscaped(include_str!(concat!(env!("CARGO_MANIFEST_DIR"),"/js/app.js")))) }
                 }
                 body
                     hx-boost="true"
diff --git a/rust/src/main.rs b/rust/src/main.rs
index 440e04e..0d1a697 100644
--- a/rust/src/main.rs
+++ b/rust/src/main.rs
@@ -394,7 +394,38 @@ async fn inventory_item_delete(
     )
     .execute(&state.database_pool)
     .await
-    .map_err(|e| (StatusCode::BAD_REQUEST, e.to_string()))?;
+    .map_err(|error| match error {
+        sqlx::Error::Database(ref error) => {
+            let sqlite_error = error.downcast_ref::<SqliteError>();
+            if let Some(code) = sqlite_error.code() {
+                match &*code {
+                    "787" => {
+                        // SQLITE_CONSTRAINT_FOREIGNKEY
+                        (
+                            StatusCode::BAD_REQUEST,
+                            // TODO: this is not perfect, as both foreign keys
+                            // may be responsible for the error. how can we tell
+                            // which one?
+                            format!("item {} cannot be deleted because it's on use in trips. instead, archive it", code.to_string()),
+                        )
+                    }
+                    _ => (
+                        StatusCode::INTERNAL_SERVER_ERROR,
+                        format!("got error with unknown code: {}", sqlite_error.to_string()),
+                    ),
+                }
+            } else {
+                (
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    format!("got error without code: {}", sqlite_error.to_string()),
+                )
+            }
+        }
+        _ => (
+            StatusCode::INTERNAL_SERVER_ERROR,
+            format!("got unknown error: {}", error.to_string()),
+        ),
+    })?;
 
     if results.rows_affected() == 0 {
         Err((