diff --git a/backend/.sqlx/query-0ee63ef2dd5c88edba2a1f56d31f29876724922f148dad7af35b36efbf70207a.json b/backend/.sqlx/query-0ee63ef2dd5c88edba2a1f56d31f29876724922f148dad7af35b36efbf70207a.json
new file mode 100644
index 0000000000..5cb52b6ead
--- /dev/null
+++ b/backend/.sqlx/query-0ee63ef2dd5c88edba2a1f56d31f29876724922f148dad7af35b36efbf70207a.json
@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM healthchecks WHERE check_type = $1",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Text"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "0ee63ef2dd5c88edba2a1f56d31f29876724922f148dad7af35b36efbf70207a"
+}
diff --git a/backend/.sqlx/query-2041526bc58872d71f91f7698144039bd67f8e37895befa94a15b7e4019e114b.json b/backend/.sqlx/query-2041526bc58872d71f91f7698144039bd67f8e37895befa94a15b7e4019e114b.json
new file mode 100644
index 0000000000..cbe5ec7607
--- /dev/null
+++ b/backend/.sqlx/query-2041526bc58872d71f91f7698144039bd67f8e37895befa94a15b7e4019e114b.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM healthchecks WHERE healthy = true AND created_at < NOW() - INTERVAL '14 days'",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": []
+  },
+  "hash": "2041526bc58872d71f91f7698144039bd67f8e37895befa94a15b7e4019e114b"
+}
diff --git a/backend/.sqlx/query-27920aaa55666ffc14a36a247f89ff7994ee40d3953b9f772d0e0ab999bccb7b.json b/backend/.sqlx/query-27920aaa55666ffc14a36a247f89ff7994ee40d3953b9f772d0e0ab999bccb7b.json
new file mode 100644
index 0000000000..26a8ba2ee2
--- /dev/null
+++ b/backend/.sqlx/query-27920aaa55666ffc14a36a247f89ff7994ee40d3953b9f772d0e0ab999bccb7b.json
@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO healthchecks (check_type, healthy) VALUES ($1, false)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Varchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "27920aaa55666ffc14a36a247f89ff7994ee40d3953b9f772d0e0ab999bccb7b"
+}
diff --git a/backend/.sqlx/query-34a45763bb4d14162f4cd3fa07cd8020f1f6085f4ee85f5eab3458637edf26cd.json b/backend/.sqlx/query-34a45763bb4d14162f4cd3fa07cd8020f1f6085f4ee85f5eab3458637edf26cd.json
new file mode 100644
index 0000000000..f9dc00c28c
--- /dev/null
+++ b/backend/.sqlx/query-34a45763bb4d14162f4cd3fa07cd8020f1f6085f4ee85f5eab3458637edf26cd.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT created_at FROM healthchecks WHERE check_type = $1 ORDER BY created_at DESC LIMIT 1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "created_at",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "34a45763bb4d14162f4cd3fa07cd8020f1f6085f4ee85f5eab3458637edf26cd"
+}
diff --git a/backend/.sqlx/query-3ecb25b05d6c14b499f9b00af42ae74134728899f6b59c68b246979bc5143e30.json b/backend/.sqlx/query-3ecb25b05d6c14b499f9b00af42ae74134728899f6b59c68b246979bc5143e30.json
new file mode 100644
index 0000000000..a652b56bad
--- /dev/null
+++ b/backend/.sqlx/query-3ecb25b05d6c14b499f9b00af42ae74134728899f6b59c68b246979bc5143e30.json
@@ -0,0 +1,29 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n                SELECT COUNT(*) as count, \n                       MIN(scheduled_for) as oldest_job\n                FROM queue \n                WHERE tag = $1 \n                  AND scheduled_for <= NOW() - $2::interval \n                  AND running = false\n                ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "count",
+        "type_info": "Int8"
+      },
+      {
+        "ordinal": 1,
+        "name": "oldest_job",
+        "type_info": "Timestamptz"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Interval"
+      ]
+    },
+    "nullable": [
+      null,
+      null
+    ]
+  },
+  "hash": "3ecb25b05d6c14b499f9b00af42ae74134728899f6b59c68b246979bc5143e30"
+}
diff --git a/backend/.sqlx/query-900ac59515e4283f4b57516210575dfe92f74a7220ed69e61899a6e0f053d9cd.json b/backend/.sqlx/query-900ac59515e4283f4b57516210575dfe92f74a7220ed69e61899a6e0f053d9cd.json
new file mode 100644
index 0000000000..0bcd4d447f
--- /dev/null
+++ b/backend/.sqlx/query-900ac59515e4283f4b57516210575dfe92f74a7220ed69e61899a6e0f053d9cd.json
@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO concurrency_locks (id, last_locked_at) VALUES ($1, NOW()) ON CONFLICT (id) DO NOTHING",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Varchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "900ac59515e4283f4b57516210575dfe92f74a7220ed69e61899a6e0f053d9cd"
+}
diff --git a/backend/.sqlx/query-ad42118ccf6a9d2d1e072c4df064ddf964a5b3cd088fc162d0d8222325d4a5ea.json b/backend/.sqlx/query-ad42118ccf6a9d2d1e072c4df064ddf964a5b3cd088fc162d0d8222325d4a5ea.json
new file mode 100644
index 0000000000..c43c2a2a65
--- /dev/null
+++ b/backend/.sqlx/query-ad42118ccf6a9d2d1e072c4df064ddf964a5b3cd088fc162d0d8222325d4a5ea.json
@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE healthchecks SET healthy = true WHERE check_type = $1",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Text"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "ad42118ccf6a9d2d1e072c4df064ddf964a5b3cd088fc162d0d8222325d4a5ea"
+}
diff --git a/backend/.sqlx/query-b3dbdfb50ee8118bdaed3164b210cb549a34b96554ae1872355b90304f5dcb76.json b/backend/.sqlx/query-b3dbdfb50ee8118bdaed3164b210cb549a34b96554ae1872355b90304f5dcb76.json
index 99269c9851..54e94cfb8f 100644
--- a/backend/.sqlx/query-b3dbdfb50ee8118bdaed3164b210cb549a34b96554ae1872355b90304f5dcb76.json
+++ b/backend/.sqlx/query-b3dbdfb50ee8118bdaed3164b210cb549a34b96554ae1872355b90304f5dcb76.json
@@ -18,8 +18,8 @@
       "Left": []
     },
     "nullable": [
-      true,
-      false
+      false,
+      true
     ]
   },
   "hash": "b3dbdfb50ee8118bdaed3164b210cb549a34b96554ae1872355b90304f5dcb76"
diff --git a/backend/.sqlx/query-b49b1eaf58e62063c7a03039d0c36e65991b1d21a3306390fb1c7ca38babafe3.json b/backend/.sqlx/query-b49b1eaf58e62063c7a03039d0c36e65991b1d21a3306390fb1c7ca38babafe3.json
index 71aaf4ba90..cc825ff56f 100644
--- a/backend/.sqlx/query-b49b1eaf58e62063c7a03039d0c36e65991b1d21a3306390fb1c7ca38babafe3.json
+++ b/backend/.sqlx/query-b49b1eaf58e62063c7a03039d0c36e65991b1d21a3306390fb1c7ca38babafe3.json
@@ -52,7 +52,8 @@
                 "trigger",
                 "failure",
                 "command",
-                "approval"
+                "approval",
+                "preprocessor"
               ]
             }
           }
diff --git a/backend/.sqlx/query-c4e1873bfc7b905e7299a021f4baa2a97e95f4797c5e11f37822e19828422b7e.json b/backend/.sqlx/query-c4e1873bfc7b905e7299a021f4baa2a97e95f4797c5e11f37822e19828422b7e.json
new file mode 100644
index 0000000000..d3c16a5275
--- /dev/null
+++ b/backend/.sqlx/query-c4e1873bfc7b905e7299a021f4baa2a97e95f4797c5e11f37822e19828422b7e.json
@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE concurrency_locks SET last_locked_at = NOW() WHERE id = $1 AND last_locked_at < NOW() - INTERVAL '1 second' * $2 RETURNING 1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "?column?",
+        "type_info": "Int4"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Float8"
+      ]
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "c4e1873bfc7b905e7299a021f4baa2a97e95f4797c5e11f37822e19828422b7e"
+}
diff --git a/backend/.sqlx/query-eb932b613a6dbb2cdff97e5512d42b538ba83115c0ea798be00b01659600f45a.json b/backend/.sqlx/query-eb932b613a6dbb2cdff97e5512d42b538ba83115c0ea798be00b01659600f45a.json
new file mode 100644
index 0000000000..7717a34760
--- /dev/null
+++ b/backend/.sqlx/query-eb932b613a6dbb2cdff97e5512d42b538ba83115c0ea798be00b01659600f45a.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT EXISTS(SELECT 1 FROM healthchecks WHERE check_type = $1 AND healthy = false)",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "exists",
+        "type_info": "Bool"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text"
+      ]
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "eb932b613a6dbb2cdff97e5512d42b538ba83115c0ea798be00b01659600f45a"
+}