Add tracking of operations for the feature tree (#4746)

* Add operations tracking for the timeline

* Change to only track certain stdlib functions as operations

* Update gen files

* Add operations to simulation snapshot tests

* Add tracking of positional function calls

* Fix generated field names to be camel case in TS

* Fix generated TS field names to match and better docs

* Fix order of ops with patternTransform

* Fix sweep to be included

* Add new expected test outputs

* Add tracking for startSketchOn

* Update ops output to include startSketchOn

* Fix serde field name

* Fix output field name

* Add tracking of operations that fail

* Add snapshots of operations even when there's a KCL execution error

* Add ops output for error executions

* Add operations output to executor error

* Update op source ranges

* Remove tracking of circle() and polygon() since they're not needed

* Update output without circle and polygon

* Fix to track patternCircular3d and patternLinear3d

* Remove tracking for mirror2d

* Update ops output

* Fix to track the correct source range of function definitions

---------

Co-authored-by: Frank Noirot <frank@zoo.dev>

src/lang/errors.test.ts

@@ -9,6 +9,7 @@ describe('test kclErrToDiagnostic', () => {
         kind: 'semantic',
         msg: 'Semantic error',
         sourceRange: [0, 1, true],
+        operations: [],
       },
       {
         name: '',
@@ -16,6 +17,7 @@ describe('test kclErrToDiagnostic', () => {
         kind: 'type',
         msg: 'Type error',
         sourceRange: [4, 5, true],
+        operations: [],
       },
     ]
     const diagnostics = kclErrorsToDiagnostics(errors)

src/lang/errors.ts

@@ -6,85 +6,94 @@ import { Diagnostic as LspDiagnostic } from 'vscode-languageserver-protocol'
 import { Text } from '@codemirror/state'
 import { EditorView } from 'codemirror'
 import { SourceRange } from 'lang/wasm'
+import { Operation } from 'wasm-lib/kcl/bindings/Operation'
 
 type ExtractKind<T> = T extends { kind: infer K } ? K : never
 export class KCLError extends Error {
   kind: ExtractKind<RustKclError> | 'name'
   sourceRange: SourceRange
   msg: string
+  operations: Operation[]
 
   constructor(
     kind: ExtractKind<RustKclError> | 'name',
     msg: string,
-    sourceRange: SourceRange
+    sourceRange: SourceRange,
+    operations: Operation[]
   ) {
     super()
     this.kind = kind
     this.msg = msg
     this.sourceRange = sourceRange
+    this.operations = operations
     Object.setPrototypeOf(this, KCLError.prototype)
   }
 }
 
 export class KCLLexicalError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('lexical', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('lexical', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLSyntaxError.prototype)
   }
 }
 
 export class KCLInternalError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('internal', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('internal', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLSyntaxError.prototype)
   }
 }
 
 export class KCLSyntaxError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('syntax', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('syntax', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLSyntaxError.prototype)
   }
 }
 
 export class KCLSemanticError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('semantic', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('semantic', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLSemanticError.prototype)
   }
 }
 
 export class KCLTypeError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('type', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('type', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLTypeError.prototype)
   }
 }
 
 export class KCLUnimplementedError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('unimplemented', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('unimplemented', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLUnimplementedError.prototype)
   }
 }
 
 export class KCLUnexpectedError extends KCLError {
-  constructor(msg: string, sourceRange: SourceRange) {
-    super('unexpected', msg, sourceRange)
+  constructor(msg: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('unexpected', msg, sourceRange, operations)
     Object.setPrototypeOf(this, KCLUnexpectedError.prototype)
   }
 }
 
 export class KCLValueAlreadyDefined extends KCLError {
-  constructor(key: string, sourceRange: SourceRange) {
-    super('name', `Key ${key} was already defined elsewhere`, sourceRange)
+  constructor(key: string, sourceRange: SourceRange, operations: Operation[]) {
+    super(
+      'name',
+      `Key ${key} was already defined elsewhere`,
+      sourceRange,
+      operations
+    )
     Object.setPrototypeOf(this, KCLValueAlreadyDefined.prototype)
   }
 }
 
 export class KCLUndefinedValueError extends KCLError {
-  constructor(key: string, sourceRange: SourceRange) {
-    super('name', `Key ${key} has not been defined`, sourceRange)
+  constructor(key: string, sourceRange: SourceRange, operations: Operation[]) {
+    super('name', `Key ${key} has not been defined`, sourceRange, operations)
     Object.setPrototypeOf(this, KCLUndefinedValueError.prototype)
   }
 }
@@ -100,11 +109,12 @@ export function lspDiagnosticsToKclErrors(
   return diagnostics
     .flatMap(
       ({ range, message }) =>
-        new KCLError('unexpected', message, [
-          posToOffset(doc, range.start)!,
-          posToOffset(doc, range.end)!,
-          true,
-        ])
+        new KCLError(
+          'unexpected',
+          message,
+          [posToOffset(doc, range.start)!, posToOffset(doc, range.end)!, true],
+          []
+        )
     )
     .sort((a, b) => {
       const c = a.sourceRange[0]

src/lang/executor.test.ts

@@ -480,7 +480,8 @@ const theExtrude = startSketchOn('XY')
       new KCLError(
         'undefined_value',
         'memory item key `myVarZ` is not defined',
-        [129, 135, true]
+        [129, 135, true],
+        []
       )
     )
   })

src/lang/wasm.ts

@@ -43,6 +43,7 @@ import { Node } from 'wasm-lib/kcl/bindings/Node'
 import { CompilationError } from 'wasm-lib/kcl/bindings/CompilationError'
 import { SourceRange as RustSourceRange } from 'wasm-lib/kcl/bindings/SourceRange'
 import { getAllCurrentSettings } from 'lib/settings/settingsUtils'
+import { KclErrorWithOutputs } from 'wasm-lib/kcl/bindings/KclErrorWithOutputs'
 
 export type { Configuration } from 'wasm-lib/kcl/bindings/Configuration'
 export type { Program } from '../wasm-lib/kcl/bindings/Program'
@@ -220,7 +221,8 @@ export const parse = (code: string | Error): ParseResult | Error => {
     return new KCLError(
       parsed.kind,
       parsed.msg,
-      sourceRangeFromRust(parsed.sourceRanges[0])
+      sourceRangeFromRust(parsed.sourceRanges[0]),
+      []
     )
   }
 }
@@ -539,11 +541,12 @@ export const _executor = async (
     return execStateFromRaw(execState)
   } catch (e: any) {
     console.log(e)
-    const parsed: RustKclError = JSON.parse(e.toString())
+    const parsed: KclErrorWithOutputs = JSON.parse(e.toString())
     const kclError = new KCLError(
-      parsed.kind,
-      parsed.msg,
-      sourceRangeFromRust(parsed.sourceRanges[0])
+      parsed.error.kind,
+      parsed.error.msg,
+      sourceRangeFromRust(parsed.error.sourceRanges[0]),
+      parsed.operations
     )
 
     return Promise.reject(kclError)
@@ -602,7 +605,8 @@ export const modifyAstForSketch = async (
     const kclError = new KCLError(
       parsed.kind,
       parsed.msg,
-      sourceRangeFromRust(parsed.sourceRanges[0])
+      sourceRangeFromRust(parsed.sourceRanges[0]),
+      []
     )
 
     console.log(kclError)
@@ -670,7 +674,8 @@ export function programMemoryInit(): ProgramMemory | Error {
     return new KCLError(
       parsed.kind,
       parsed.msg,
-      sourceRangeFromRust(parsed.sourceRanges[0])
+      sourceRangeFromRust(parsed.sourceRanges[0]),
+      []
     )
   }
 }

src/wasm-lib/derive-docs/src/lib.rs

@@ -40,6 +40,12 @@ struct StdlibMetadata {
     #[serde(default)]
     deprecated: bool,
 
+    /// Whether the function is displayed in the feature tree.
+    /// If true, calls to the function will be available for display.
+    /// If false, calls to the function will never be displayed.
+    #[serde(default)]
+    feature_tree_operation: bool,
+
     /// If true, expects keyword arguments.
     /// If false, expects positional arguments.
     #[serde(default)]
@@ -244,6 +250,12 @@ fn do_stdlib_inner(
         quote! { false }
     };
 
+    let feature_tree_operation = if metadata.feature_tree_operation {
+        quote! { true }
+    } else {
+        quote! { false }
+    };
+
     let uses_keyword_arguments = if metadata.keywords {
         quote! { true }
     } else {
@@ -470,6 +482,10 @@ fn do_stdlib_inner(
                 #deprecated
             }
 
+            fn feature_tree_operation(&self) -> bool {
+                #feature_tree_operation
+            }
+
             fn examples(&self) -> Vec<String> {
                 #code_blocks
             }

src/wasm-lib/derive-docs/tests/args_with_lifetime.gen

@@ -118,6 +118,10 @@ impl crate::docs::StdLibFn for SomeFn {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["someFn()"];
         code_blocks

src/wasm-lib/derive-docs/tests/args_with_refs.gen

@@ -118,6 +118,10 @@ impl crate::docs::StdLibFn for SomeFn {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["someFn()"];
         code_blocks

src/wasm-lib/derive-docs/tests/array.gen

@@ -156,6 +156,10 @@ impl crate::docs::StdLibFn for Show {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec![
             "This is another code block.\nyes sirrr.\nshow",

src/wasm-lib/derive-docs/tests/box.gen

@@ -119,6 +119,10 @@ impl crate::docs::StdLibFn for Show {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["This is code.\nIt does other shit.\nshow"];
         code_blocks

src/wasm-lib/derive-docs/tests/doc_comment_with_code.gen

@@ -157,6 +157,10 @@ impl crate::docs::StdLibFn for MyFunc {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec![
             "This is another code block.\nyes sirrr.\nmyFunc",

src/wasm-lib/derive-docs/tests/lineTo.gen

@@ -167,6 +167,10 @@ impl crate::docs::StdLibFn for LineTo {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec![
             "This is another code block.\nyes sirrr.\nlineTo",

src/wasm-lib/derive-docs/tests/min.gen

@@ -156,6 +156,10 @@ impl crate::docs::StdLibFn for Min {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec![
             "This is another code block.\nyes sirrr.\nmin",

src/wasm-lib/derive-docs/tests/option.gen

@@ -119,6 +119,10 @@ impl crate::docs::StdLibFn for Show {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["This is code.\nIt does other shit.\nshow"];
         code_blocks

src/wasm-lib/derive-docs/tests/option_input_format.gen

@@ -119,6 +119,10 @@ impl crate::docs::StdLibFn for Import {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["This is code.\nIt does other shit.\nimport"];
         code_blocks

src/wasm-lib/derive-docs/tests/return_vec_box_sketch.gen

@@ -119,6 +119,10 @@ impl crate::docs::StdLibFn for Import {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["This is code.\nIt does other shit.\nimport"];
         code_blocks

src/wasm-lib/derive-docs/tests/return_vec_sketch.gen

@@ -119,6 +119,10 @@ impl crate::docs::StdLibFn for Import {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["This is code.\nIt does other shit.\nimport"];
         code_blocks

src/wasm-lib/derive-docs/tests/show.gen

@@ -119,6 +119,10 @@ impl crate::docs::StdLibFn for Show {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["This is code.\nIt does other shit.\nshow"];
         code_blocks

src/wasm-lib/derive-docs/tests/test_args_with_exec_state.gen

@@ -111,6 +111,10 @@ impl crate::docs::StdLibFn for SomeFunction {
         false
     }
 
+    fn feature_tree_operation(&self) -> bool {
+        false
+    }
+
     fn examples(&self) -> Vec<String> {
         let code_blocks = vec!["someFunction()"];
         code_blocks

src/wasm-lib/kcl/src/docs/mod.rs

@@ -165,6 +165,9 @@ pub trait StdLibFn: std::fmt::Debug + Send + Sync {
     /// If the function is deprecated.
     fn deprecated(&self) -> bool;
 
+    /// If the function should appear in the feature tree.
+    fn feature_tree_operation(&self) -> bool;
+
     /// Any example code blocks.
     fn examples(&self) -> Vec<String>;
 

src/wasm-lib/kcl/src/errors.rs

@@ -3,6 +3,7 @@ use thiserror::Error;
 use tower_lsp::lsp_types::{Diagnostic, DiagnosticSeverity};
 
 use crate::{
+    execution::Operation,
     lsp::IntoDiagnostic,
     source_range::{ModuleId, SourceRange},
 };
@@ -18,6 +19,48 @@ pub enum ExecError {
     BadPng(String),
 }
 
+/// How did the KCL execution fail, with extra state.
+#[cfg_attr(target_arch = "wasm32", expect(dead_code))]
+#[derive(Debug)]
+pub struct ExecErrorWithState {
+    pub error: ExecError,
+    pub exec_state: crate::ExecState,
+}
+
+impl ExecErrorWithState {
+    #[cfg_attr(target_arch = "wasm32", expect(dead_code))]
+    pub fn new(error: ExecError, exec_state: crate::ExecState) -> Self {
+        Self { error, exec_state }
+    }
+}
+
+impl From<ExecError> for ExecErrorWithState {
+    fn from(error: ExecError) -> Self {
+        Self {
+            error,
+            exec_state: Default::default(),
+        }
+    }
+}
+
+impl From<KclError> for ExecErrorWithState {
+    fn from(error: KclError) -> Self {
+        Self {
+            error: error.into(),
+            exec_state: Default::default(),
+        }
+    }
+}
+
+impl From<ConnectionError> for ExecErrorWithState {
+    fn from(error: ConnectionError) -> Self {
+        Self {
+            error: error.into(),
+            exec_state: Default::default(),
+        }
+    }
+}
+
 /// How did KCL client fail to connect to the engine
 #[derive(thiserror::Error, Debug)]
 pub enum ConnectionError {
@@ -57,6 +100,21 @@ pub enum KclError {
     Internal(KclErrorDetails),
 }
 
+#[derive(Error, Debug, Serialize, Deserialize, ts_rs::TS, Clone, PartialEq, Eq)]
+#[error("{error}")]
+#[ts(export)]
+#[serde(rename_all = "camelCase")]
+pub struct KclErrorWithOutputs {
+    pub error: KclError,
+    pub operations: Vec<Operation>,
+}
+
+impl KclErrorWithOutputs {
+    pub fn new(error: KclError, operations: Vec<Operation>) -> Self {
+        Self { error, operations }
+    }
+}
+
 #[derive(thiserror::Error, Debug)]
 #[error("{}", self.error.get_message())]
 pub struct Report {

src/wasm-lib/kcl/src/execution/cad_op.rs

@@ -0,0 +1,134 @@
+use indexmap::IndexMap;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+
+use crate::{docs::StdLibFn, std::get_stdlib_fn, SourceRange};
+
+/// A CAD modeling operation for display in the feature tree, AKA operations
+/// timeline.
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq, ts_rs::TS, JsonSchema)]
+#[ts(export)]
+#[serde(tag = "type")]
+pub enum Operation {
+    #[serde(rename_all = "camelCase")]
+    StdLibCall {
+        /// The standard library function being called.
+        #[serde(flatten)]
+        std_lib_fn: StdLibFnRef,
+        /// The unlabeled argument to the function.
+        unlabeled_arg: Option<OpArg>,
+        /// The labeled keyword arguments to the function.
+        labeled_args: IndexMap<String, OpArg>,
+        /// The source range of the operation in the source code.
+        source_range: SourceRange,
+        /// True if the operation resulted in an error.
+        #[serde(default, skip_serializing_if = "is_false")]
+        is_error: bool,
+    },
+    #[serde(rename_all = "camelCase")]
+    UserDefinedFunctionCall {
+        /// The name of the user-defined function being called.  Anonymous
+        /// functions have no name.
+        name: Option<String>,
+        /// The location of the function being called so that there's enough
+        /// info to go to its definition.
+        function_source_range: SourceRange,
+        /// The unlabeled argument to the function.
+        unlabeled_arg: Option<OpArg>,
+        /// The labeled keyword arguments to the function.
+        labeled_args: IndexMap<String, OpArg>,
+        /// The source range of the operation in the source code.
+        source_range: SourceRange,
+    },
+    UserDefinedFunctionReturn,
+}
+
+impl Operation {
+    /// If the variant is `StdLibCall`, set the `is_error` field.
+    pub(crate) fn set_std_lib_call_is_error(&mut self, is_err: bool) {
+        match self {
+            Self::StdLibCall { ref mut is_error, .. } => *is_error = is_err,
+            Self::UserDefinedFunctionCall { .. } | Self::UserDefinedFunctionReturn => {}
+        }
+    }
+}
+
+/// An argument to a CAD modeling operation.
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq, ts_rs::TS, JsonSchema)]
+#[ts(export)]
+#[serde(rename_all = "camelCase")]
+pub struct OpArg {
+    /// The KCL code expression for the argument.  This is used in the UI so
+    /// that the user can edit the expression.
+    source_range: SourceRange,
+}
+
+impl OpArg {
+    pub(crate) fn new(source_range: SourceRange) -> Self {
+        Self { source_range }
+    }
+}
+
+/// A reference to a standard library function.  This exists to implement
+/// `PartialEq` and `Eq` for `Operation`.
+#[derive(Debug, Clone, Deserialize, Serialize, ts_rs::TS, JsonSchema)]
+#[ts(export)]
+#[serde(rename_all = "camelCase")]
+pub struct StdLibFnRef {
+    // The following doc comment gets inlined into Operation, overriding what's
+    // there, in the generated TS.  We serialize to its name.  Renaming the
+    // field to "name" allows it to match the other variant.
+    /// The standard library function being called.
+    #[serde(
+        rename = "name",
+        serialize_with = "std_lib_fn_name",
+        deserialize_with = "std_lib_fn_from_name"
+    )]
+    #[ts(type = "string", rename = "name")]
+    pub std_lib_fn: Box<dyn StdLibFn>,
+}
+
+impl StdLibFnRef {
+    pub(crate) fn new(std_lib_fn: Box<dyn StdLibFn>) -> Self {
+        Self { std_lib_fn }
+    }
+}
+
+impl From<&Box<dyn StdLibFn>> for StdLibFnRef {
+    fn from(std_lib_fn: &Box<dyn StdLibFn>) -> Self {
+        Self::new(std_lib_fn.clone())
+    }
+}
+
+impl PartialEq for StdLibFnRef {
+    fn eq(&self, other: &Self) -> bool {
+        self.std_lib_fn.name() == other.std_lib_fn.name()
+    }
+}
+
+impl Eq for StdLibFnRef {}
+
+#[expect(clippy::borrowed_box, reason = "Explicit Box is needed for serde")]
+fn std_lib_fn_name<S>(std_lib_fn: &Box<dyn StdLibFn>, serializer: S) -> Result<S::Ok, S::Error>
+where
+    S: serde::Serializer,
+{
+    let name = std_lib_fn.name();
+    serializer.serialize_str(&name)
+}
+
+fn std_lib_fn_from_name<'de, D>(deserializer: D) -> Result<Box<dyn StdLibFn>, D::Error>
+where
+    D: serde::Deserializer<'de>,
+{
+    let s = String::deserialize(deserializer)?;
+    if let Some(std_lib_fn) = get_stdlib_fn(&s) {
+        Ok(std_lib_fn)
+    } else {
+        Err(serde::de::Error::custom(format!("not a KCL stdlib function: {}", s)))
+    }
+}
+
+fn is_false(b: &bool) -> bool {
+    !*b
+}

src/wasm-lib/kcl/src/execution/exec_ast.rs

@@ -19,6 +19,8 @@ use crate::{
     },
 };
 
+use super::cad_op::{OpArg, Operation};
+
 const FLOAT_TO_INT_MAX_DELTA: f64 = 0.01;
 
 impl BinaryPart {
@@ -385,10 +387,45 @@ impl Node<CallExpressionKw> {
         );
         match ctx.stdlib.get_either(fn_name) {
             FunctionKind::Core(func) => {
+                let op = if func.feature_tree_operation() {
+                    let op_labeled_args = args
+                        .kw_args
+                        .labeled
+                        .iter()
+                        .map(|(k, v)| (k.clone(), OpArg::new(v.source_range)))
+                        .collect();
+                    Some(Operation::StdLibCall {
+                        std_lib_fn: (&func).into(),
+                        unlabeled_arg: args.kw_args.unlabeled.as_ref().map(|arg| OpArg::new(arg.source_range)),
+                        labeled_args: op_labeled_args,
+                        source_range: callsite,
+                        is_error: false,
+                    })
+                } else {
+                    None
+                };
+
                 // Attempt to call the function.
-                let mut result = func.std_lib_fn()(exec_state, args).await?;
-                update_memory_for_tags_of_geometry(&mut result, exec_state)?;
-                Ok(result)
+                let result = {
+                    // Don't early-return in this block.
+                    let result = func.std_lib_fn()(exec_state, args).await;
+
+                    if let Some(mut op) = op {
+                        op.set_std_lib_call_is_error(result.is_err());
+                        // Track call operation.  We do this after the call
+                        // since things like patternTransform may call user code
+                        // before running, and we will likely want to use the
+                        // return value. The call takes ownership of the args,
+                        // so we need to build the op before the call.
+                        exec_state.operations.push(op);
+                    }
+                    result
+                };
+
+                let mut return_value = result?;
+                update_memory_for_tags_of_geometry(&mut return_value, exec_state)?;
+
+                Ok(return_value)
             }
             FunctionKind::UserDefined => {
                 let source_range = SourceRange::from(self);
@@ -397,6 +434,21 @@ impl Node<CallExpressionKw> {
                 let func = exec_state.memory.get(fn_name, source_range)?.clone();
                 let fn_dynamic_state = exec_state.dynamic_state.merge(&exec_state.memory);
 
+                // Track call operation.
+                let op_labeled_args = args
+                    .kw_args
+                    .labeled
+                    .iter()
+                    .map(|(k, v)| (k.clone(), OpArg::new(v.source_range)))
+                    .collect();
+                exec_state.operations.push(Operation::UserDefinedFunctionCall {
+                    name: Some(fn_name.clone()),
+                    function_source_range: func.function_def_source_range().unwrap_or_default(),
+                    unlabeled_arg: args.kw_args.unlabeled.as_ref().map(|arg| OpArg::new(arg.source_range)),
+                    labeled_args: op_labeled_args,
+                    source_range: callsite,
+                });
+
                 let return_value = {
                     let previous_dynamic_state = std::mem::replace(&mut exec_state.dynamic_state, fn_dynamic_state);
                     let result = func
@@ -423,6 +475,9 @@ impl Node<CallExpressionKw> {
                     })
                 })?;
 
+                // Track return operation.
+                exec_state.operations.push(Operation::UserDefinedFunctionReturn);
+
                 Ok(result)
             }
         }
@@ -433,6 +488,7 @@ impl Node<CallExpression> {
     #[async_recursion]
     pub async fn execute(&self, exec_state: &mut ExecState, ctx: &ExecutorContext) -> Result<KclValue, KclError> {
         let fn_name = &self.callee.name;
+        let callsite = SourceRange::from(self);
 
         let mut fn_args: Vec<Arg> = Vec::with_capacity(self.arguments.len());
 
@@ -446,14 +502,50 @@ impl Node<CallExpression> {
             let arg = Arg::new(value, SourceRange::from(arg_expr));
             fn_args.push(arg);
         }
+        let fn_args = fn_args; // remove mutability
 
         match ctx.stdlib.get_either(fn_name) {
             FunctionKind::Core(func) => {
+                let op = if func.feature_tree_operation() {
+                    let op_labeled_args = func
+                        .args(false)
+                        .iter()
+                        .zip(&fn_args)
+                        .map(|(k, v)| (k.name.clone(), OpArg::new(v.source_range)))
+                        .collect();
+                    Some(Operation::StdLibCall {
+                        std_lib_fn: (&func).into(),
+                        unlabeled_arg: None,
+                        labeled_args: op_labeled_args,
+                        source_range: callsite,
+                        is_error: false,
+                    })
+                } else {
+                    None
+                };
+
                 // Attempt to call the function.
                 let args = crate::std::Args::new(fn_args, self.into(), ctx.clone());
-                let mut result = func.std_lib_fn()(exec_state, args).await?;
-                update_memory_for_tags_of_geometry(&mut result, exec_state)?;
-                Ok(result)
+                let result = {
+                    // Don't early-return in this block.
+                    let result = func.std_lib_fn()(exec_state, args).await;
+
+                    if let Some(mut op) = op {
+                        op.set_std_lib_call_is_error(result.is_err());
+                        // Track call operation.  We do this after the call
+                        // since things like patternTransform may call user code
+                        // before running, and we will likely want to use the
+                        // return value. The call takes ownership of the args,
+                        // so we need to build the op before the call.
+                        exec_state.operations.push(op);
+                    }
+                    result
+                };
+
+                let mut return_value = result?;
+                update_memory_for_tags_of_geometry(&mut return_value, exec_state)?;
+
+                Ok(return_value)
             }
             FunctionKind::UserDefined => {
                 let source_range = SourceRange::from(self);
@@ -462,6 +554,16 @@ impl Node<CallExpression> {
                 let func = exec_state.memory.get(fn_name, source_range)?.clone();
                 let fn_dynamic_state = exec_state.dynamic_state.merge(&exec_state.memory);
 
+                // Track call operation.
+                exec_state.operations.push(Operation::UserDefinedFunctionCall {
+                    name: Some(fn_name.clone()),
+                    function_source_range: func.function_def_source_range().unwrap_or_default(),
+                    unlabeled_arg: None,
+                    // TODO: Add the arguments for legacy positional parameters.
+                    labeled_args: Default::default(),
+                    source_range: callsite,
+                });
+
                 let return_value = {
                     let previous_dynamic_state = std::mem::replace(&mut exec_state.dynamic_state, fn_dynamic_state);
                     let result = func.call_fn(fn_args, exec_state, ctx.clone()).await.map_err(|e| {
@@ -485,6 +587,9 @@ impl Node<CallExpression> {
                     })
                 })?;
 
+                // Track return operation.
+                exec_state.operations.push(Operation::UserDefinedFunctionReturn);
+
                 Ok(result)
             }
         }

src/wasm-lib/kcl/src/execution/kcl_value.rs

@@ -202,6 +202,15 @@ impl KclValue {
         }
     }
 
+    pub(crate) fn function_def_source_range(&self) -> Option<SourceRange> {
+        let KclValue::Function { expression, .. } = self else {
+            return None;
+        };
+        // TODO: It would be nice if we could extract the source range starting
+        // at the fn, but that's the variable declaration.
+        Some(expression.as_source_range())
+    }
+
     pub(crate) fn get_solid_set(&self) -> Result<SolidSet> {
         match self {
             KclValue::Solid(e) => Ok(SolidSet::Solid(e.clone())),

src/wasm-lib/kcl/src/execution/mod.rs

@@ -24,6 +24,7 @@ pub use function_param::FunctionParam;
 pub use kcl_value::{KclObjectFields, KclValue};
 
 pub(crate) mod cache;
+mod cad_op;
 mod exec_ast;
 mod function_param;
 mod kcl_value;
@@ -42,6 +43,9 @@ use crate::{
     ExecError, Program,
 };
 
+// Re-exports.
+pub use cad_op::Operation;
+
 /// State for executing a program.
 #[derive(Debug, Default, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
 #[ts(export)]
@@ -65,6 +69,9 @@ pub struct ExecState {
     pub path_to_source_id: IndexMap<std::path::PathBuf, ModuleId>,
     /// Map from module ID to module info.
     pub module_infos: IndexMap<ModuleId, ModuleInfo>,
+    /// Operations that have been performed in execution order, for display in
+    /// the Feature Tree.
+    pub operations: Vec<Operation>,
 }
 
 impl ExecState {

src/wasm-lib/kcl/src/lib.rs

@@ -81,7 +81,7 @@ mod wasm;
 
 pub use coredump::CoreDump;
 pub use engine::{EngineManager, ExecutionKind};
-pub use errors::{CompilationError, ConnectionError, ExecError, KclError};
+pub use errors::{CompilationError, ConnectionError, ExecError, KclError, KclErrorWithOutputs};
 pub use execution::{
     cache::{CacheInformation, OldAstState},
     ExecState, ExecutorContext, ExecutorSettings,

src/wasm-lib/kcl/src/simulation_tests.rs

@@ -91,7 +91,7 @@ async fn execute(test_name: &str, render_to_png: bool) {
     )
     .await;
     match exec_res {
-        Ok((program_memory, png)) => {
+        Ok((program_memory, ops, png)) => {
             if render_to_png {
                 twenty_twenty::assert_image(format!("tests/{test_name}/rendered_model.png"), &png, 0.99);
             }
@@ -104,9 +104,12 @@ async fn execute(test_name: &str, render_to_png: bool) {
                     ".environments[].**[].z[]" => rounded_redaction(4),
                 });
             });
+            assert_snapshot(test_name, "Operations executed", || {
+                insta::assert_json_snapshot!("ops", ops);
+            });
         }
         Err(e) => {
-            match e {
+            match e.error {
                 crate::errors::ExecError::Kcl(error) => {
                     // Snapshot the KCL error with a fancy graphical report.
                     // This looks like a Cargo compile error, with arrows pointing
@@ -122,6 +125,10 @@ async fn execute(test_name: &str, render_to_png: bool) {
                     assert_snapshot(test_name, "Error from executing", || {
                         insta::assert_snapshot!("execution_error", report);
                     });
+
+                    assert_snapshot(test_name, "Operations executed", || {
+                        insta::assert_json_snapshot!("ops", e.exec_state.operations);
+                    });
                 }
                 e => {
                     // These kinds of errors aren't expected to occur. We don't

src/wasm-lib/kcl/src/std/chamfer.rs

@@ -98,6 +98,7 @@ pub async fn chamfer(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// ```
 #[stdlib {
     name = "chamfer",
+    feature_tree_operation = true,
 }]
 async fn inner_chamfer(
     data: ChamferData,

src/wasm-lib/kcl/src/std/extrude.rs

@@ -75,7 +75,8 @@ pub async fn extrude(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// example = extrude(10, exampleSketch)
 /// ```
 #[stdlib {
-    name = "extrude"
+    name = "extrude",
+    feature_tree_operation = true,
 }]
 async fn inner_extrude(
     length: f64,

src/wasm-lib/kcl/src/std/fillet.rs

@@ -119,6 +119,7 @@ pub async fn fillet(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// ```
 #[stdlib {
     name = "fillet",
+    feature_tree_operation = true,
 }]
 async fn inner_fillet(
     data: FilletData,

src/wasm-lib/kcl/src/std/helix.rs

@@ -53,6 +53,7 @@ pub async fn helix(exec_state: &mut ExecState, args: Args) -> Result<KclValue, K
 /// ```
 #[stdlib {
     name = "helix",
+    feature_tree_operation = true,
 }]
 async fn inner_helix(
     data: HelixData,

src/wasm-lib/kcl/src/std/import.rs

@@ -177,6 +177,7 @@ pub async fn import(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// ```
 #[stdlib {
     name = "import",
+    feature_tree_operation = true,
     tags = [],
 }]
 async fn inner_import(

src/wasm-lib/kcl/src/std/loft.rs

@@ -111,6 +111,7 @@ pub async fn loft(exec_state: &mut ExecState, args: Args) -> Result<KclValue, Kc
 /// ```
 #[stdlib {
     name = "loft",
+    feature_tree_operation = true,
     keywords = true,
     unlabeled_first = true,
     arg_docs = {

src/wasm-lib/kcl/src/std/patterns.rs

@@ -286,6 +286,7 @@ pub async fn pattern_transform_2d(exec_state: &mut ExecState, args: Args) -> Res
 /// ```
 #[stdlib {
     name = "patternTransform",
+    feature_tree_operation = true,
 }]
 async fn inner_pattern_transform<'a>(
     total_instances: u32,
@@ -762,6 +763,7 @@ pub async fn pattern_linear_3d(exec_state: &mut ExecState, args: Args) -> Result
 /// ```
 #[stdlib {
     name = "patternLinear3d",
+    feature_tree_operation = true,
 }]
 async fn inner_pattern_linear_3d(
     data: LinearPattern3dData,
@@ -981,6 +983,7 @@ pub async fn pattern_circular_3d(exec_state: &mut ExecState, args: Args) -> Resu
 /// ```
 #[stdlib {
     name = "patternCircular3d",
+    feature_tree_operation = true,
 }]
 async fn inner_pattern_circular_3d(
     data: CircularPattern3dData,

src/wasm-lib/kcl/src/std/planes.rs

@@ -142,6 +142,7 @@ pub async fn offset_plane(exec_state: &mut ExecState, args: Args) -> Result<KclV
 
 #[stdlib {
     name = "offsetPlane",
+    feature_tree_operation = true,
 }]
 async fn inner_offset_plane(
     std_plane: StandardPlane,

src/wasm-lib/kcl/src/std/revolve.rs

@@ -242,6 +242,7 @@ pub async fn revolve(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// ```
 #[stdlib {
     name = "revolve",
+    feature_tree_operation = true,
 }]
 async fn inner_revolve(
     data: RevolveData,

src/wasm-lib/kcl/src/std/shell.rs

@@ -176,6 +176,7 @@ pub async fn shell(exec_state: &mut ExecState, args: Args) -> Result<KclValue, K
 /// ```
 #[stdlib {
     name = "shell",
+    feature_tree_operation = true,
 }]
 async fn inner_shell(
     data: ShellData,
@@ -302,6 +303,7 @@ pub async fn hollow(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// ```
 #[stdlib {
     name = "hollow",
+    feature_tree_operation = true,
 }]
 async fn inner_hollow(
     thickness: f64,

src/wasm-lib/kcl/src/std/sketch.rs

@@ -1061,6 +1061,7 @@ pub async fn start_sketch_on(exec_state: &mut ExecState, args: Args) -> Result<K
 /// ```
 #[stdlib {
     name = "startSketchOn",
+    feature_tree_operation = true,
 }]
 async fn inner_start_sketch_on(
     data: SketchData,
@@ -2218,6 +2219,7 @@ pub async fn hole(exec_state: &mut ExecState, args: Args) -> Result<KclValue, Kc
 /// ```
 #[stdlib {
     name = "hole",
+    feature_tree_operation = true,
 }]
 async fn inner_hole(
     hole_sketch: SketchSet,

src/wasm-lib/kcl/src/std/sweep.rs

@@ -79,6 +79,7 @@ pub async fn sweep(exec_state: &mut ExecState, args: Args) -> Result<KclValue, K
 /// ```
 #[stdlib {
     name = "sweep",
+    feature_tree_operation = true,
 }]
 async fn inner_sweep(
     data: SweepData,

src/wasm-lib/kcl/src/test_server.rs

@@ -3,7 +3,8 @@
 use std::path::PathBuf;
 
 use crate::{
-    execution::{new_zoo_client, ExecutorContext, ExecutorSettings, ProgramMemory},
+    errors::ExecErrorWithState,
+    execution::{new_zoo_client, ExecutorContext, ExecutorSettings, Operation, ProgramMemory},
     settings::types::UnitLength,
     ConnectionError, ExecError, Program,
 };
@@ -24,7 +25,10 @@ pub async fn execute_and_snapshot(
 ) -> Result<image::DynamicImage, ExecError> {
     let ctx = new_context(units, true, project_directory).await?;
     let program = Program::parse_no_errs(code)?;
-    do_execute_and_snapshot(&ctx, program).await.map(|(_state, snap)| snap)
+    do_execute_and_snapshot(&ctx, program)
+        .await
+        .map(|(_state, snap)| snap)
+        .map_err(|err| err.error)
 }
 
 /// Executes a kcl program and takes a snapshot of the result.
@@ -33,11 +37,11 @@ pub async fn execute_and_snapshot_ast(
     ast: Program,
     units: UnitLength,
     project_directory: Option<PathBuf>,
-) -> Result<(ProgramMemory, image::DynamicImage), ExecError> {
+) -> Result<(ProgramMemory, Vec<Operation>, image::DynamicImage), ExecErrorWithState> {
     let ctx = new_context(units, true, project_directory).await?;
     do_execute_and_snapshot(&ctx, ast)
         .await
-        .map(|(state, snap)| (state.memory, snap))
+        .map(|(state, snap)| (state.memory, state.operations, snap))
 }
 
 pub async fn execute_and_snapshot_no_auth(
@@ -47,17 +51,21 @@ pub async fn execute_and_snapshot_no_auth(
 ) -> Result<image::DynamicImage, ExecError> {
     let ctx = new_context(units, false, project_directory).await?;
     let program = Program::parse_no_errs(code)?;
-    do_execute_and_snapshot(&ctx, program).await.map(|(_state, snap)| snap)
+    do_execute_and_snapshot(&ctx, program)
+        .await
+        .map(|(_state, snap)| snap)
+        .map_err(|err| err.error)
 }
 
 async fn do_execute_and_snapshot(
     ctx: &ExecutorContext,
     program: Program,
-) -> Result<(crate::execution::ExecState, image::DynamicImage), ExecError> {
+) -> Result<(crate::execution::ExecState, image::DynamicImage), ExecErrorWithState> {
     let mut exec_state = Default::default();
     let snapshot_png_bytes = ctx
         .execute_and_prepare_snapshot(&program, &mut exec_state)
-        .await?
+        .await
+        .map_err(|err| ExecErrorWithState::new(err, exec_state.clone()))?
         .contents
         .0;
 
@@ -65,7 +73,8 @@ async fn do_execute_and_snapshot(
     let img = image::ImageReader::new(std::io::Cursor::new(snapshot_png_bytes))
         .with_guessed_format()
         .map_err(|e| ExecError::BadPng(e.to_string()))
-        .and_then(|x| x.decode().map_err(|e| ExecError::BadPng(e.to_string())))?;
+        .and_then(|x| x.decode().map_err(|e| ExecError::BadPng(e.to_string())))
+        .map_err(|err| ExecErrorWithState::new(err, exec_state.clone()))?;
     Ok((exec_state, img))
 }
 

src/wasm-lib/kcl/tests/angled_line/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed angled_line.kcl
+snapshot_kind: text
+---
+[
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          24,
+          28,
+          0
+        ]
+      }
+    },
+    "name": "startSketchOn",
+    "sourceRange": [
+      10,
+      29,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "length": {
+        "sourceRange": [
+          260,
+          261,
+          0
+        ]
+      },
+      "sketch_set": {
+        "sourceRange": [
+          263,
+          264,
+          0
+        ]
+      }
+    },
+    "name": "extrude",
+    "sourceRange": [
+      252,
+      265,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  }
+]

src/wasm-lib/kcl/tests/argument_error/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed argument_error.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/array_elem_push/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed array_elem_push.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/array_elem_push_fail/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed array_elem_push_fail.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/array_index_oob/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed array_index_oob.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/array_range_expr/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed array_range_expr.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/array_range_negative_expr/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed array_range_negative_expr.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/basic_fillet_cube_close_opposite/ops.snap

@@ -0,0 +1,78 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed basic_fillet_cube_close_opposite.kcl
+snapshot_kind: text
+---
+[
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          24,
+          28,
+          0
+        ]
+      }
+    },
+    "name": "startSketchOn",
+    "sourceRange": [
+      10,
+      29,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "length": {
+        "sourceRange": [
+          181,
+          183,
+          0
+        ]
+      },
+      "sketch_set": {
+        "sourceRange": [
+          185,
+          186,
+          0
+        ]
+      }
+    },
+    "name": "extrude",
+    "sourceRange": [
+      173,
+      187,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          200,
+          275,
+          0
+        ]
+      },
+      "solid": {
+        "sourceRange": [
+          277,
+          278,
+          0
+        ]
+      }
+    },
+    "name": "fillet",
+    "sourceRange": [
+      193,
+      279,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  }
+]

src/wasm-lib/kcl/tests/basic_fillet_cube_end/ops.snap

@@ -0,0 +1,78 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed basic_fillet_cube_end.kcl
+snapshot_kind: text
+---
+[
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          24,
+          28,
+          0
+        ]
+      }
+    },
+    "name": "startSketchOn",
+    "sourceRange": [
+      10,
+      29,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "length": {
+        "sourceRange": [
+          172,
+          174,
+          0
+        ]
+      },
+      "sketch_set": {
+        "sourceRange": [
+          176,
+          177,
+          0
+        ]
+      }
+    },
+    "name": "extrude",
+    "sourceRange": [
+      164,
+      178,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          191,
+          264,
+          0
+        ]
+      },
+      "solid": {
+        "sourceRange": [
+          266,
+          267,
+          0
+        ]
+      }
+    },
+    "name": "fillet",
+    "sourceRange": [
+      184,
+      268,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  }
+]

src/wasm-lib/kcl/tests/basic_fillet_cube_next_adjacent/ops.snap

@@ -0,0 +1,78 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed basic_fillet_cube_next_adjacent.kcl
+snapshot_kind: text
+---
+[
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          24,
+          28,
+          0
+        ]
+      }
+    },
+    "name": "startSketchOn",
+    "sourceRange": [
+      10,
+      29,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "length": {
+        "sourceRange": [
+          190,
+          192,
+          0
+        ]
+      },
+      "sketch_set": {
+        "sourceRange": [
+          194,
+          195,
+          0
+        ]
+      }
+    },
+    "name": "extrude",
+    "sourceRange": [
+      182,
+      196,
+      0
+    ],
+    "type": "StdLibCall",
+    "unlabeledArg": null
+  },
+  {
+    "labeledArgs": {
+      "data": {
+        "sourceRange": [
+          209,
+          280,
+          0
+        ]
+      },
+      "solid": {
+        "sourceRange": [
+          282,
+          283,
+          0
+        ]
+      }
+    },
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src/wasm-lib/kcl/tests/basic_fillet_cube_previous_adjacent/ops.snap

@@ -0,0 +1,78 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed basic_fillet_cube_previous_adjacent.kcl
+snapshot_kind: text
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src/wasm-lib/kcl/tests/basic_fillet_cube_start/ops.snap

@@ -0,0 +1,78 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed basic_fillet_cube_start.kcl
+snapshot_kind: text
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src/wasm-lib/kcl/tests/big_number_angle_to_match_length_x/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed big_number_angle_to_match_length_x.kcl
+snapshot_kind: text
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src/wasm-lib/kcl/tests/big_number_angle_to_match_length_y/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed big_number_angle_to_match_length_y.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/circular_pattern3d_a_pattern/ops.snap

@@ -0,0 +1,104 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed circular_pattern3d_a_pattern.kcl
+snapshot_kind: text
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src/wasm-lib/kcl/tests/comparisons/ops.snap

@@ -0,0 +1,6 @@
+---
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+description: Operations executed comparisons.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/comparisons_multiple/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed comparisons_multiple.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/computed_var/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed computed_var.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/cube/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed cube.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/double_map_fn/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed double_map_fn.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/fillet-and-shell/ops.snap

@@ -0,0 +1,464 @@
+---
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+description: Operations executed fillet-and-shell.kcl
+snapshot_kind: text
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src/wasm-lib/kcl/tests/function_sketch/ops.snap

@@ -0,0 +1,71 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed function_sketch.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/function_sketch_with_position/ops.snap

@@ -0,0 +1,71 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed function_sketch_with_position.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/helix_ccw/ops.snap

@@ -0,0 +1,78 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed helix_ccw.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/i_shape/ops.snap

@@ -0,0 +1,59 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed i_shape.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/if_else/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed if_else.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/import_constant/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed import_constant.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/import_cycle1/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed import_cycle1.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/import_export/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed import_export.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/import_glob/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed import_glob.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/import_side_effect/ops.snap

@@ -0,0 +1,27 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed import_side_effect.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/index_of_array/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed index_of_array.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/invalid_index_fractional/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed invalid_index_fractional.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/invalid_index_negative/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed invalid_index_negative.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/invalid_index_str/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed invalid_index_str.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/invalid_member_object/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed invalid_member_object.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/invalid_member_object_prop/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed invalid_member_object_prop.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/kittycad_svg/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed kittycad_svg.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/kw_fn/ops.snap

@@ -0,0 +1,59 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed kw_fn.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/kw_fn_too_few_args/ops.snap

@@ -0,0 +1,31 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed kw_fn_too_few_args.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/kw_fn_unlabeled_but_has_label/ops.snap

@@ -0,0 +1,31 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed kw_fn_unlabeled_but_has_label.kcl
+snapshot_kind: text
+---
+[
+  {
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+    "name": "add",
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src/wasm-lib/kcl/tests/kw_fn_with_defaults/ops.snap

@@ -0,0 +1,59 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed kw_fn_with_defaults.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/linear_pattern3d_a_pattern/ops.snap

@@ -0,0 +1,104 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed linear_pattern3d_a_pattern.kcl
+snapshot_kind: text
+---
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src/wasm-lib/kcl/tests/mike_stress_test/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed mike_stress_test.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/neg_xz_plane/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed neg_xz_plane.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/non_string_key_of_object/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed non_string_key_of_object.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/object_prop_not_found/ops.snap

@@ -0,0 +1,6 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed object_prop_not_found.kcl
+snapshot_kind: text
+---
+[]

src/wasm-lib/kcl/tests/parametric/ops.snap

@@ -0,0 +1,52 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed parametric.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/parametric_with_tan_arc/ops.snap

@@ -0,0 +1,33 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed parametric_with_tan_arc.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/pentagon_fillet_sugar/ops.snap

@@ -0,0 +1,246 @@
+---
+source: kcl/src/simulation_tests.rs
+description: Operations executed pentagon_fillet_sugar.kcl
+snapshot_kind: text
+---
+[
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src/wasm-lib/kcl/tests/pipe_as_arg/ops.snap

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+---
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src/wasm-lib/kcl/tests/pipe_substitution_inside_function_called_from_pipeline/ops.snap

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+---
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src/wasm-lib/kcl/tests/poop_chute/ops.snap

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src/wasm-lib/kcl/tests/property_of_object/ops.snap

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src/wasm-lib/kcl/tests/riddle_small/ops.snap

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src/wasm-lib/kcl/tests/sketch-on-chamfer-two-times-different-order/ops.snap

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src/wasm-lib/kcl/tests/sketch-on-chamfer-two-times/ops.snap

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src/wasm-lib/kcl/tests/sketch_in_object/ops.snap

@@ -0,0 +1,135 @@
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src/wasm-lib/kcl/tests/sketch_on_face/ops.snap

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src/wasm-lib/kcl/tests/sketch_on_face_after_fillets_referencing_face/ops.snap

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