feat: add records and tuples across execution paths

source/diagnostics/diagnostics.hon

@@ -54,6 +54,13 @@ Code :: enum {
     not_indexable
     invalid_index_assignment
     index_out_of_bounds
+    unknown_field
+    duplicate_field
+    missing_field
+    tuple_arity_mismatch
+    not_record
+    recursive_record
+    invalid_record_field_type
     missing_entry
     invalid_entry
     literal_out_of_range
@@ -144,6 +151,13 @@ messages :: $enummap.init(Code, []u8, {
     not_indexable = "indexing is currently implemented for fixed arrays only",
     invalid_index_assignment = "indexed assignment requires a writable array element",
     index_out_of_bounds = "index out of bounds",
+    unknown_field = "record has no such field",
+    duplicate_field = "record field is specified more than once",
+    missing_field = "record initializer is missing a required field",
+    tuple_arity_mismatch = "tuple initializer arity does not match its type",
+    not_record = "field selection requires a record or tuple",
+    recursive_record = "record has a recursive by-value layout",
+    invalid_record_field_type = "record fields require a concrete value type",
     missing_entry = "program requires a main function",
     invalid_entry = "main must be a function with no parameters",
     literal_out_of_range = "numeric literal is outside its runtime type's range",