with index get column dep. removed

common/proto/table_definition.proto

@@ -126,10 +126,9 @@ message ColumnDefinition {
   // s ≤ p and p ≥ 1.
   string field_type = 2;
 
-  // Once initially stored, this column can never be changed.
-  bool immutable = 3;
+  reserved 3;
 
-  // MONEY rounding applied before an immutable value is initially stored.
+  // MONEY rounding applied before a value is stored.
   MoneyRounding rounding = 4;
 }
 

common/proto/table_script.proto

@@ -24,7 +24,7 @@ service TableScript {
   // - Validates math operations: prohibits using certain data types in math
   // - Enforces link constraints for structured table access:
   //    • Allowed always: self-references (same table)
-  //    • Structured access via steel_get_column / steel_get_column_with_index
+  //    • Structured access via steel_get_column
   //      requires an explicit link in table_definition_links
   //    • Raw SQL access via steel_query_sql is permitted (still validated)
   // - Detects and rejects circular dependencies across all scripts in the schema
@@ -67,8 +67,6 @@ message PostTableScriptRequest {
   // Referencing data:
   //   - Structured table/column access (enforces link constraints):
   //       (steel_get_column "table_name" "column_name")
-  //       (steel_get_column_with_index "table_name" index "column_name")
-  //       • index must be a non-negative integer literal
   //       • self-references are allowed without links
   //       • other tables require an explicit link from the source table
   //         (table_definition_links) or the request fails
@@ -87,13 +85,17 @@ message PostTableScriptRequest {
   //     BIGINT, TEXT, BOOLEAN, DATE, TIMESTAMPTZ
   //
   // Dependency tracking and cycles:
-  //   - Dependencies are extracted from steel_get_column(_with_index), get-var,
+  //   - Dependencies are extracted from steel_get_column, get-var,
   //     and steel_query_sql and stored in script_dependencies with context
   //   - Cycles across tables are rejected (self-dependency is allowed)
   string script = 3;
 
   // 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.
@@ -128,12 +130,12 @@ message StoredTableScript {
   string script = 4;
   string description = 5;
   repeated ScriptDependency dependencies = 6;
+  bool recompute_on_dependency_change = 7;
 }
 
 message ScriptDependency {
   string target_table = 1;
   string dependency_type = 2;
   string column = 3;
-  int64 index = 4;
-  string query_fragment = 5;
+  string query_fragment = 4;
 }

common/src/proto/komp_ac.table_definition.rs

@@ -88,10 +88,7 @@ pub struct ColumnDefinition {
     /// s ≤ p and p ≥ 1.
     #[prost(string, tag = "2")]
     pub field_type: ::prost::alloc::string::String,
-    /// Once initially stored, this column can never be changed.
-    #[prost(bool, tag = "3")]
-    pub immutable: bool,
-    /// MONEY rounding applied before an immutable value is initially stored.
+    /// MONEY rounding applied before a value is stored.
     #[prost(enumeration = "MoneyRounding", tag = "4")]
     pub rounding: i32,
 }

common/src/proto/komp_ac.table_script.rs

@@ -26,8 +26,6 @@ pub struct PostTableScriptRequest {
     ///
     /// * Structured table/column access (enforces link constraints):
     ///   (steel_get_column "table_name" "column_name")
-    ///   (steel_get_column_with_index "table_name" index "column_name")
-    ///   • index must be a non-negative integer literal
     ///   • self-references are allowed without links
     ///   • other tables require an explicit link from the source table
     ///   (table_definition_links) or the request fails
@@ -48,7 +46,7 @@ pub struct PostTableScriptRequest {
     ///
     /// Dependency tracking and cycles:
     ///
-    /// * Dependencies are extracted from steel_get_column(\_with_index), get-var,
+    /// * Dependencies are extracted from steel_get_column, get-var,
     ///   and steel_query_sql and stored in script_dependencies with context
     /// * Cycles across tables are rejected (self-dependency is allowed)
     #[prost(string, tag = "3")]
@@ -56,6 +54,10 @@ 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)]
@@ -101,6 +103,8 @@ pub struct StoredTableScript {
     pub description: ::prost::alloc::string::String,
     #[prost(message, repeated, tag = "6")]
     pub dependencies: ::prost::alloc::vec::Vec<ScriptDependency>,
+    #[prost(bool, tag = "7")]
+    pub recompute_on_dependency_change: bool,
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct ScriptDependency {
@@ -110,9 +114,7 @@ pub struct ScriptDependency {
     pub dependency_type: ::prost::alloc::string::String,
     #[prost(string, tag = "3")]
     pub column: ::prost::alloc::string::String,
-    #[prost(int64, tag = "4")]
-    pub index: i64,
-    #[prost(string, tag = "5")]
+    #[prost(string, tag = "4")]
     pub query_fragment: ::prost::alloc::string::String,
 }
 /// Generated client implementations.
@@ -229,7 +231,7 @@ pub mod table_script_client {
         /// * Validates math operations: prohibits using certain data types in math
         /// * Enforces link constraints for structured table access:
         ///  • Allowed always: self-references (same table)
-        ///  • Structured access via steel_get_column / steel_get_column_with_index
+        ///  • Structured access via steel_get_column
         ///  requires an explicit link in table_definition_links
         ///  • Raw SQL access via steel_query_sql is permitted (still validated)
         /// * Detects and rejects circular dependencies across all scripts in the schema
@@ -328,7 +330,7 @@ pub mod table_script_server {
         /// * Validates math operations: prohibits using certain data types in math
         /// * Enforces link constraints for structured table access:
         ///  • Allowed always: self-references (same table)
-        ///  • Structured access via steel_get_column / steel_get_column_with_index
+        ///  • Structured access via steel_get_column
         ///  requires an explicit link in table_definition_links
         ///  • Raw SQL access via steel_query_sql is permitted (still validated)
         /// * Detects and rejects circular dependencies across all scripts in the schema