jiff for table definition added

common/src/proto/komp_ac.table_definition.rs

@@ -82,11 +82,16 @@ pub struct ColumnDefinition {
     /// Logical column type. Supported values (case-insensitive):
     /// TEXT
     /// BOOLEAN
-    /// TIMESTAMPTZ
+    /// INSTANT (absolute timestamp, displayed in the viewer timezone)
+    /// USER_DATETIME (local input resolved in the user's timezone)
+    /// RAW_DATETIME (timezone-free civil datetime)
+    /// TIME (timezone-free time of day)
     /// MONEY (= unconstrained NUMERIC; currency comes from the table)
     /// INT
     /// BIGINT
     /// DATE
+    /// DURATION
+    /// PERIOD
     /// DECIMAL(p,s) → NUMERIC(p,s)
     /// DECIMAL args must be integers (no sign, no dot, no leading zeros);
     /// s ≤ p and p ≥ 1.