fix(error): harden logging, i18n, a11y and handler tests

i18n/default_en.json

@@ -218,6 +218,44 @@
   "Failed to send access emails": "Failed to send access emails",
   "Read": "Read",
   "Home": "Home",
+  "Exception": "Exception",
+  "An error occurred": "An error occurred",
+  "in %s on line %s": "in %s on line %s",
+  "Copy request ID": "Copy request ID",
+  "Error details": "Error details",
+  "Request": "Request",
+  "Queries": "Queries",
+  "An unexpected error occurred. If the problem persists, please contact support with the reference below.": "An unexpected error occurred. If the problem persists, please contact support with the reference below.",
+  "Stack Trace": "Stack Trace",
+  "Caused by": "Caused by",
+  "URL": "URL",
+  "User Agent": "User Agent",
+  "Headers": "Headers",
+  "GET Parameters": "GET Parameters",
+  "POST Parameters": "POST Parameters",
+  "Session (keys + types)": "Session (keys + types)",
+  "Context": "Context",
+  "PHP": "PHP",
+  "SAPI": "SAPI",
+  "Memory (current)": "Memory (current)",
+  "Memory (peak)": "Memory (peak)",
+  "Application": "Application",
+  "Active Modules": "Active Modules",
+  "Loaded Extensions (%d)": "Loaded Extensions (%d)",
+  "Query tracking is not available (Debugger disabled or not initialized).": "Query tracking is not available (Debugger disabled or not initialized).",
+  "No queries were executed before the error occurred.": "No queries were executed before the error occurred.",
+  "Queries (%d)": "Queries (%d)",
+  "Bad Request": "Bad Request",
+  "Unauthorized": "Unauthorized",
+  "Forbidden": "Forbidden",
+  "Not Found": "Not Found",
+  "Method Not Allowed": "Method Not Allowed",
+  "Request Timeout": "Request Timeout",
+  "Unprocessable Entity": "Unprocessable Entity",
+  "Too Many Requests": "Too Many Requests",
+  "Internal Server Error": "Internal Server Error",
+  "Bad Gateway": "Bad Gateway",
+  "Service Unavailable": "Service Unavailable",
   "Users": "Users",
   "All users": "All users",
   "Avatar": "Avatar",