diff --git a/client b/client
index cf925ae..405182e 160000
--- a/client
+++ b/client
@@ -1 +1 @@
-Subproject commit cf925ae05b44c9588067de5375a5204687fbf042
+Subproject commit 405182ec8d2b7a54e1ecb0bba2041d9e0a482155
diff --git a/common/build.rs b/common/build.rs
index 9885bfc..a58bd0d 100644
--- a/common/build.rs
+++ b/common/build.rs
@@ -157,6 +157,10 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             ".komp_ac.table_definition.ColumnDefinition",
             "#[derive(serde::Serialize, serde::Deserialize)]",
         )
+        .field_attribute(
+            ".komp_ac.table_definition.ColumnDefinition.recompute_on_dependency_change",
+            "#[serde(default)]",
+        )
         .type_attribute(
             ".komp_ac.table_definition.TableLink",
             "#[derive(serde::Serialize, serde::Deserialize)]"
diff --git a/common/proto/table_definition.proto b/common/proto/table_definition.proto
index 94d0875..a731c5b 100644
--- a/common/proto/table_definition.proto
+++ b/common/proto/table_definition.proto
@@ -130,6 +130,10 @@ message ColumnDefinition {
 
   // MONEY rounding applied before a value is stored.
   MoneyRounding rounding = 4;
+
+  // When true, the submitted script result is validated normally and the
+  // stored value is also refreshed when one of its dependencies later changes.
+  bool recompute_on_dependency_change = 5;
 }
 
 // Response after table creation (success + DDL preview).
diff --git a/common/proto/table_script.proto b/common/proto/table_script.proto
index 0c00dfe..0bf8c3c 100644
--- a/common/proto/table_script.proto
+++ b/common/proto/table_script.proto
@@ -90,9 +90,6 @@ message PostTableScriptRequest {
   // Optional. Free-text description stored alongside the script (no functional effect).
   string description = 4;
 
-  // When true, changing any referenced field recomputes the target column.
-  // When false, the script only validates direct writes to its own table.
-  bool recompute_on_dependency_change = 5;
 }
 
 // Response after creating or updating a script.
diff --git a/common/proto/table_structure.proto b/common/proto/table_structure.proto
index 6cf493e..dd03a78 100644
--- a/common/proto/table_structure.proto
+++ b/common/proto/table_structure.proto
@@ -71,4 +71,8 @@ message TableColumn {
   // True if the column is part of the table's PRIMARY KEY.
   // Typically true for the "id" column created by the system.
   bool is_primary_key = 4;
+
+  // True for a user-defined column whose logic should be recomputed whenever
+  // one of its dependencies changes. False for system and foreign-key columns.
+  bool recompute_on_dependency_change = 5;
 }
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index 4699519..43579ec 100644
Binary files a/common/src/proto/descriptor.bin and b/common/src/proto/descriptor.bin differ
diff --git a/common/src/proto/komp_ac.table_definition.rs b/common/src/proto/komp_ac.table_definition.rs
index e2d8800..9883b21 100644
--- a/common/src/proto/komp_ac.table_definition.rs
+++ b/common/src/proto/komp_ac.table_definition.rs
@@ -91,6 +91,11 @@ pub struct ColumnDefinition {
     /// MONEY rounding applied before a value is stored.
     #[prost(enumeration = "MoneyRounding", tag = "4")]
     pub rounding: i32,
+    /// When true, the submitted script result is validated normally and the
+    /// stored value is also refreshed when one of its dependencies later changes.
+    #[prost(bool, tag = "5")]
+    #[serde(default)]
+    pub recompute_on_dependency_change: bool,
 }
 /// Response after table creation (success + DDL preview).
 #[derive(serde::Serialize, serde::Deserialize)]
diff --git a/common/src/proto/komp_ac.table_script.rs b/common/src/proto/komp_ac.table_script.rs
index c32c084..105e0a0 100644
--- a/common/src/proto/komp_ac.table_script.rs
+++ b/common/src/proto/komp_ac.table_script.rs
@@ -51,10 +51,6 @@ pub struct PostTableScriptRequest {
     /// Optional. Free-text description stored alongside the script (no functional effect).
     #[prost(string, tag = "4")]
     pub description: ::prost::alloc::string::String,
-    /// When true, changing any referenced field recomputes the target column.
-    /// When false, the script only validates direct writes to its own table.
-    #[prost(bool, tag = "5")]
-    pub recompute_on_dependency_change: bool,
 }
 /// Response after creating or updating a script.
 #[derive(serde::Serialize, serde::Deserialize)]
diff --git a/common/src/proto/komp_ac.table_structure.rs b/common/src/proto/komp_ac.table_structure.rs
index 06be372..de44aaf 100644
--- a/common/src/proto/komp_ac.table_structure.rs
+++ b/common/src/proto/komp_ac.table_structure.rs
@@ -54,6 +54,10 @@ pub struct TableColumn {
     /// Typically true for the "id" column created by the system.
     #[prost(bool, tag = "4")]
     pub is_primary_key: bool,
+    /// True for a user-defined column whose logic should be recomputed whenever
+    /// one of its dependencies changes. False for system and foreign-key columns.
+    #[prost(bool, tag = "5")]
+    pub recompute_on_dependency_change: bool,
 }
 /// Generated client implementations.
 pub mod table_structure_service_client {
diff --git a/server b/server
index 32ec7b1..fe085e6 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit 32ec7b1bd74c7a3eb4f6e244292d44d68893ce75
+Subproject commit fe085e6a2c2e5eb3068c21b7b7e4f8da91a72691