diff --git a/gitnexus/src/core/ingestion/languages/julia.ts b/gitnexus/src/core/ingestion/languages/julia.ts
index 6c22d0b4c..a66474d88 100644
--- a/gitnexus/src/core/ingestion/languages/julia.ts
+++ b/gitnexus/src/core/ingestion/languages/julia.ts
@@ -30,6 +30,30 @@ import { juliaVariableConfig } from '../variable-extractors/configs/julia.js';
 import { createCallExtractor } from '../call-extractors/generic.js';
 import { juliaCallConfig } from '../call-extractors/configs/julia.js';
 import { createHeritageExtractor } from '../heritage-extractors/generic.js';
+import type { SyntaxNode } from '../utils/ast-helpers.js';
+
+const JULIA_CALL_RESULT = { kind: 'call' } as const;
+const JULIA_SKIP_RESULT = { kind: 'skip' } as const;
+
+function routeJuliaCall(calledName: string, callNode: SyntaxNode) {
+  // Skip signature-shape calls (e.g., `function run()` parsed as call_expression in signature).
+  if (callNode.parent?.type === 'signature') return JULIA_SKIP_RESULT;
+
+  if (calledName === 'include') {
+    const args =
+      callNode.childForFieldName('arguments') ??
+      callNode.namedChildren.find((n) => n.type === 'argument_list');
+    const literal = args?.namedChildren.find((n) => n.type === 'string_literal');
+    const content = literal?.namedChildren.find((n) => n.type === 'content');
+    const importPath = content?.text?.trim();
+    if (!importPath || importPath.length > 1024 || /[\x00-\x1f]/.test(importPath)) {
+      return JULIA_SKIP_RESULT;
+    }
+    return { kind: 'import', importPath, isRelative: true } as const;
+  }
+
+  return JULIA_CALL_RESULT;
+}
 
 const BUILT_INS: ReadonlySet<string> = new Set([
   'print',
@@ -97,6 +121,7 @@ export const juliaProvider = defineLanguage({
   typeConfig: juliaTypeConfig,
   exportChecker: juliaExportChecker,
   importResolver: createImportResolver(juliaImportConfig),
+  callRouter: routeJuliaCall,
   importSemantics: 'wildcard-leaf',
   callExtractor: createCallExtractor(juliaCallConfig),
   fieldExtractor: createFieldExtractor(juliaFieldConfig),
diff --git a/gitnexus/src/core/ingestion/method-extractors/configs/julia.ts b/gitnexus/src/core/ingestion/method-extractors/configs/julia.ts
index 3d3315fd1..f548f509e 100644
--- a/gitnexus/src/core/ingestion/method-extractors/configs/julia.ts
+++ b/gitnexus/src/core/ingestion/method-extractors/configs/julia.ts
@@ -2,9 +2,24 @@
 // Verified against tree-sitter-julia grammar
 
 import { SupportedLanguages } from 'gitnexus-shared';
+import type { NodeLabel } from 'gitnexus-shared';
 import type { MethodExtractionConfig, ParameterInfo } from '../../method-types.js';
 import type { SyntaxNode } from '../../utils/ast-helpers.js';
 
+function getJuliaParameterList(node: SyntaxNode): SyntaxNode | undefined {
+  const direct = node.childForFieldName('parameters');
+  if (direct) return direct;
+
+  const signature =
+    node.childForFieldName('signature') ?? node.namedChildren.find((n) => n.type === 'signature');
+  if (!signature) return undefined;
+  const headerCall = signature.namedChildren.find((n) => n.type === 'call_expression');
+  if (!headerCall) return undefined;
+  const args = headerCall.childForFieldName('arguments');
+  if (args) return args;
+  return headerCall.namedChildren.find((n) => n.type === 'argument_list');
+}
+
 /**
  * Extract parameters from a Julia function definition.
  *
@@ -17,7 +32,7 @@ import type { SyntaxNode } from '../../utils/ast-helpers.js';
  *   - Keyword: `; kw=default`
  */
 function extractJuliaParameters(node: SyntaxNode): ParameterInfo[] {
-  const paramList = node.childForFieldName('parameters');
+  const paramList = getJuliaParameterList(node);
   if (!paramList) return [];
 
   const params: ParameterInfo[] = [];
@@ -28,7 +43,13 @@ function extractJuliaParameters(node: SyntaxNode): ParameterInfo[] {
 
     switch (param.type) {
       case 'identifier': {
-        params.push({ name: param.text, type: null, rawType: null, isOptional: false, isVariadic: false });
+        params.push({
+          name: param.text,
+          type: null,
+          rawType: null,
+          isOptional: false,
+          isVariadic: false,
+        });
         break;
       }
       case 'typed_parameter': {
@@ -62,7 +83,13 @@ function extractJuliaParameters(node: SyntaxNode): ParameterInfo[] {
       case 'splat_parameter': {
         const nameNode = param.firstNamedChild;
         if (nameNode) {
-          params.push({ name: nameNode.text, type: null, rawType: null, isOptional: false, isVariadic: true });
+          params.push({
+            name: nameNode.text,
+            type: null,
+            rawType: null,
+            isOptional: false,
+            isVariadic: true,
+          });
         }
         break;
       }
@@ -78,18 +105,56 @@ function extractJuliaReturnType(node: SyntaxNode): string | undefined {
   return retType?.text?.trim();
 }
 
+/**
+ * Extract function name from a Julia function node during parent-walk.
+ *
+ * Julia function_definition stores the name inside signature → call_expression:
+ *   function run(x) ... end
+ *   → (function_definition (signature (call_expression (identifier "run") ...)) ...)
+ *
+ * Short-form assignment functions are handled separately (assignment is not in
+ * FUNCTION_NODE_TYPES, so they don't appear in the parent-walk).
+ */
+function juliaExtractFunctionName(
+  node: SyntaxNode,
+): { funcName: string | null; label: NodeLabel } | null {
+  if (node.type !== 'function_definition' && node.type !== 'macro_definition') return null;
+
+  // Navigate: function_definition → signature (first named child) → call_expression → identifier
+  const sig = node.namedChild(0);
+  if (sig?.type !== 'signature') return { funcName: null, label: 'Function' };
+
+  const callExpr = sig.namedChild(0);
+  if (callExpr?.type !== 'call_expression') return { funcName: null, label: 'Function' };
+
+  // The function name is the first child of the call_expression (an identifier)
+  const nameNode = callExpr.child(0);
+  const funcName = nameNode?.type === 'identifier' ? nameNode.text : null;
+  return { funcName, label: 'Function' };
+}
+
 export const juliaMethodConfig: MethodExtractionConfig = {
   language: SupportedLanguages.Julia,
   // Julia methods are defined outside structs — no struct body method extraction
   typeDeclarationNodes: ['struct_definition'],
-  methodNodeTypes: ['function_definition', 'short_function_definition'],
+  methodNodeTypes: ['function_definition'],
   bodyNodeTypes: ['field_declaration_list'],
 
   extractName(node) {
-    const nameNode = node.childForFieldName('name');
-    return nameNode?.text;
+    // Navigate: function_definition → signature → call_expression → identifier
+    const sig = node.namedChild(0);
+    if (sig?.type === 'signature') {
+      const callExpr = sig.namedChild(0);
+      if (callExpr?.type === 'call_expression') {
+        const nameNode = callExpr.child(0);
+        if (nameNode?.type === 'identifier') return nameNode.text;
+      }
+    }
+    return undefined;
   },
 
+  extractFunctionName: juliaExtractFunctionName,
+
   extractReturnType: extractJuliaReturnType,
   extractParameters: extractJuliaParameters,
 
diff --git a/gitnexus/src/core/ingestion/tree-sitter-queries.ts b/gitnexus/src/core/ingestion/tree-sitter-queries.ts
index 7483e2d11..0d5bd6254 100644
--- a/gitnexus/src/core/ingestion/tree-sitter-queries.ts
+++ b/gitnexus/src/core/ingestion/tree-sitter-queries.ts
@@ -1512,59 +1512,81 @@ export const DART_QUERIES = `
       (type_identifier) @heritage.trait))) @heritage
 `;
 
-// Julia queries - works with tree-sitter-julia
+// Julia queries — verified against tree-sitter-julia grammar.
+//
+// Key structural facts (no named fields for struct/abstract type children):
+//   struct Foo <: Bar     → (struct_definition (type_head (binary_expression (identifier "Foo") ...)))
+//   struct Simple         → (struct_definition (type_head (identifier "Simple")))
+//   abstract type A <: B  → (abstract_definition (type_head (binary_expression ...)))
+//   module M              → (module_definition name: (identifier "M"))  ← has named field
+//   function f(x)         → (function_definition (signature (call_expression . (identifier "f") ...)))
+//   f(x) = expr           → (assignment . (call_expression . (identifier "f") ...) ...)
+//   macro @m(x)           → (macro_definition (signature (call_expression . (identifier "m") ...)))
 export const JULIA_QUERIES = `
 ; ── Structs (class-like types) ───────────────────────────────────────────────
+; Simple struct (no supertype): (type_head (identifier))
 (struct_definition
-  name: (identifier) @name) @definition.class
+  (type_head (identifier) @name)) @definition.class
+
+; Struct with supertype: (type_head (binary_expression . identifier <: identifier))
+(struct_definition
+  (type_head (binary_expression . (identifier) @name))) @definition.class
 
 ; ── Abstract types ────────────────────────────────────────────────────────────
 (abstract_definition
-  name: (identifier) @name) @definition.class
+  (type_head (identifier) @name)) @definition.class
+
+(abstract_definition
+  (type_head (binary_expression . (identifier) @name))) @definition.class
 
 ; ── Modules ───────────────────────────────────────────────────────────────────
 (module_definition
   name: (identifier) @name) @definition.module
 
 ; ── Function definitions ──────────────────────────────────────────────────────
+; Full form: function f(args...) ... end
 (function_definition
-  name: (identifier) @name) @definition.function
+  (signature (call_expression . (identifier) @name))) @definition.function
 
-; ── Short-form function definitions: f(x) = expr ─────────────────────────────
-(short_function_definition
-  name: (identifier) @name) @definition.function
+; Short form: f(args...) = expr
+; The leading . anchors call_expression as the first child (LHS), preventing
+; false matches on the RHS call expression in the assignment.
+(assignment .
+  (call_expression . (identifier) @name)) @definition.function
 
 ; ── Macro definitions ─────────────────────────────────────────────────────────
 (macro_definition
-  name: (identifier) @name) @definition.function
+  (signature (call_expression . (identifier) @name))) @definition.function
 
 ; ── Import statements ─────────────────────────────────────────────────────────
-(import_statement) @import
+(import_statement (identifier) @import.source) @import
 
-(using_statement) @import
+(using_statement (identifier) @import.source) @import
 
 ; ── Call expressions ──────────────────────────────────────────────────────────
-(call_expression
-  (identifier) @call.name) @call
+; Free calls: f(args...)
+(call_expression . (identifier) @call.name) @call
 
+; Member calls: obj.method(args...) — (field_expression value: receiver (identifier method))
 (call_expression
-  (field_expression
-    (identifier) @call.name)) @call
+  (field_expression value: (_) (identifier) @call.name)) @call
 
-; ── Heritage: struct Foo <: Bar ───────────────────────────────────────────────
+; ── Heritage: struct/abstract Foo <: Bar ──────────────────────────────────────
 (struct_definition
-  name: (identifier) @heritage.class
-  supertype: (type_clause
-    (identifier) @heritage.extends)) @heritage
+  (type_head
+    (binary_expression
+      (identifier) @heritage.class
+      (identifier) @heritage.extends))) @heritage
 
 (abstract_definition
-  name: (identifier) @heritage.class
-  supertype: (type_clause
-    (identifier) @heritage.extends)) @heritage
+  (type_head
+    (binary_expression
+      (identifier) @heritage.class
+      (identifier) @heritage.extends))) @heritage
 
-; ── Variable assignments at module scope ──────────────────────────────────────
-(assignment
-  left: (identifier) @name) @definition.variable
+; ── Variable assignments ──────────────────────────────────────────────────────
+; Simple assignment: x = expr (LHS is a plain identifier, not a call)
+(assignment . (identifier) @name) @definition.variable
 `;
 
 import { SupportedLanguages } from 'gitnexus-shared';
diff --git a/gitnexus/src/core/ingestion/type-extractors/julia.ts b/gitnexus/src/core/ingestion/type-extractors/julia.ts
index 7f12d7f06..aff5d2a62 100644
--- a/gitnexus/src/core/ingestion/type-extractors/julia.ts
+++ b/gitnexus/src/core/ingestion/type-extractors/julia.ts
@@ -25,14 +25,31 @@ const DECLARATION_NODE_TYPES: ReadonlySet<string> = new Set([
   'assignment',
 ]);
 
+function getJuliaParameterList(node: SyntaxNode): SyntaxNode | undefined {
+  const direct = node.childForFieldName('parameters');
+  if (direct) return direct;
+
+  const signature =
+    node.childForFieldName('signature') ?? node.namedChildren.find((n) => n.type === 'signature');
+  if (!signature) return undefined;
+  const headerCall = signature.namedChildren.find((n) => n.type === 'call_expression');
+  if (!headerCall) return undefined;
+  const args = headerCall.childForFieldName('arguments');
+  if (args) return args;
+  return headerCall.namedChildren.find((n) => n.type === 'argument_list');
+}
+
 /**
  * Extract type annotations from function parameter lists into env.
  * Julia: `function foo(x::Int, y::String)` → env.set("x", "Int")
  */
-const extractDeclaration: TypeBindingExtractor = (node: SyntaxNode, env: Map<string, string>): void => {
+const extractDeclaration: TypeBindingExtractor = (
+  node: SyntaxNode,
+  env: Map<string, string>,
+): void => {
   if (node.type !== 'function_definition' && node.type !== 'short_function_definition') return;
 
-  const paramList = node.childForFieldName('parameters');
+  const paramList = getJuliaParameterList(node);
   if (!paramList) return;
 
   for (let i = 0; i < paramList.namedChildCount; i++) {
@@ -51,7 +68,10 @@ const extractDeclaration: TypeBindingExtractor = (node: SyntaxNode, env: Map<str
   }
 };
 
-const extractParameter: ParameterExtractor = (_node: SyntaxNode, _env: Map<string, string>): void => {
+const extractParameter: ParameterExtractor = (
+  _node: SyntaxNode,
+  _env: Map<string, string>,
+): void => {
   // Parameter types are handled by extractDeclaration above
 };
 
diff --git a/gitnexus/test/fixtures/lang-resolution/julia-calls/app.jl b/gitnexus/test/fixtures/lang-resolution/julia-calls/app.jl
new file mode 100644
index 000000000..5df634541
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/julia-calls/app.jl
@@ -0,0 +1,7 @@
+function write_audit(x)
+    return x
+end
+
+function run()
+    write_audit(42)
+end
diff --git a/gitnexus/test/fixtures/lang-resolution/julia-export-visibility/app.jl b/gitnexus/test/fixtures/lang-resolution/julia-export-visibility/app.jl
new file mode 100644
index 000000000..336032772
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/julia-export-visibility/app.jl
@@ -0,0 +1,7 @@
+function _internal()
+    return 1
+end
+
+function public_api()
+    return _internal()
+end
diff --git a/gitnexus/test/fixtures/lang-resolution/julia-heritage/types.jl b/gitnexus/test/fixtures/lang-resolution/julia-heritage/types.jl
new file mode 100644
index 000000000..166446a96
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/julia-heritage/types.jl
@@ -0,0 +1,15 @@
+abstract type AbstractAnimal end
+
+abstract type Animal <: AbstractAnimal end
+
+struct Dog <: Animal
+    name::String
+end
+
+struct Cat <: Animal
+    name::String
+end
+
+function speak(a::Animal)
+    println("...")
+end
diff --git a/gitnexus/test/fixtures/lang-resolution/julia-include-import/app.jl b/gitnexus/test/fixtures/lang-resolution/julia-include-import/app.jl
new file mode 100644
index 000000000..abc4fd61e
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/julia-include-import/app.jl
@@ -0,0 +1,5 @@
+include("utils.jl")
+
+function run()
+    write_audit(42)
+end
diff --git a/gitnexus/test/fixtures/lang-resolution/julia-include-import/utils.jl b/gitnexus/test/fixtures/lang-resolution/julia-include-import/utils.jl
new file mode 100644
index 000000000..7ded9e7ad
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/julia-include-import/utils.jl
@@ -0,0 +1,3 @@
+function write_audit(x)
+    return x
+end
diff --git a/gitnexus/test/fixtures/lang-resolution/julia-typed-params/app.jl b/gitnexus/test/fixtures/lang-resolution/julia-typed-params/app.jl
new file mode 100644
index 000000000..e9dec8d10
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/julia-typed-params/app.jl
@@ -0,0 +1,7 @@
+struct User
+    id::Int
+end
+
+function process(user::User, limit::Int)
+    return limit
+end
diff --git a/gitnexus/test/integration/resolvers/julia-debug.test.ts b/gitnexus/test/integration/resolvers/julia-debug.test.ts
new file mode 100644
index 000000000..b4b2e7cc4
--- /dev/null
+++ b/gitnexus/test/integration/resolvers/julia-debug.test.ts
@@ -0,0 +1,26 @@
+import { describe, it, beforeAll } from 'vitest';
+import path from 'path';
+import {
+  FIXTURES,
+  getRelationships,
+  getNodesByLabel,
+  runPipelineFromRepo,
+  type PipelineResult,
+} from './helpers.js';
+
+describe('Julia debug', () => {
+  let result: PipelineResult;
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'julia-calls'), () => {});
+  }, 60000);
+
+  it('shows all edges', () => {
+    const calls = getRelationships(result, 'CALLS');
+    console.log(
+      'CALLS:',
+      calls.map((c) => `${c.source} → ${c.target}`),
+    );
+    const fns = getNodesByLabel(result, 'Function');
+    console.log('Functions:', fns);
+  });
+});
diff --git a/gitnexus/test/integration/resolvers/julia.test.ts b/gitnexus/test/integration/resolvers/julia.test.ts
new file mode 100644
index 000000000..6154da83a
--- /dev/null
+++ b/gitnexus/test/integration/resolvers/julia.test.ts
@@ -0,0 +1,175 @@
+/**
+ * Julia: function definitions, struct/abstract type detection, heritage (<:),
+ *        and function call resolution.
+ */
+import { describe, it, expect, beforeAll } from 'vitest';
+import path from 'path';
+import {
+  FIXTURES,
+  getRelationships,
+  getNodesByLabel,
+  getNodesByLabelFull,
+  edgeSet,
+  runPipelineFromRepo,
+  type PipelineResult,
+} from './helpers.js';
+
+// ---------------------------------------------------------------------------
+// Function definitions and call resolution (single file)
+// ---------------------------------------------------------------------------
+
+describe('Julia function detection and call resolution', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'julia-calls'), () => {});
+  }, 60000);
+
+  it('detects both functions', () => {
+    const fns = getNodesByLabel(result, 'Function');
+    expect(fns).toContain('write_audit');
+    expect(fns).toContain('run');
+  });
+
+  it('emits CALLS edge: run → write_audit', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const edge = calls.find((c) => c.source === 'run' && c.target === 'write_audit');
+    expect(edge).toBeDefined();
+  });
+
+  it('does not emit signature self-call edges', () => {
+    const calls = getRelationships(result, 'CALLS');
+    expect(calls.find((c) => c.source === 'run' && c.target === 'run')).toBeUndefined();
+    expect(
+      calls.find((c) => c.source === 'write_audit' && c.target === 'write_audit'),
+    ).toBeUndefined();
+  });
+
+  it('does not emit spurious CALLS edges from built-in calls', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const builtinCalls = calls.filter((c) => c.target === 'println');
+    expect(builtinCalls.length).toBe(0);
+  });
+});
+
+// ---------------------------------------------------------------------------
+// Struct and abstract type detection + heritage (<:)
+// ---------------------------------------------------------------------------
+
+describe('Julia struct and abstract type detection with heritage', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'julia-heritage'), () => {});
+  }, 60000);
+
+  it('detects all class-like types (structs and abstract types)', () => {
+    const classes = getNodesByLabel(result, 'Class');
+    expect(classes).toContain('AbstractAnimal');
+    expect(classes).toContain('Animal');
+    expect(classes).toContain('Dog');
+    expect(classes).toContain('Cat');
+  });
+
+  it('detects the speak function', () => {
+    const fns = getNodesByLabel(result, 'Function');
+    expect(fns).toContain('speak');
+  });
+
+  it('emits EXTENDS edge: Animal <: AbstractAnimal', () => {
+    const extends_ = getRelationships(result, 'EXTENDS');
+    const edge = extends_.find((e) => e.source === 'Animal' && e.target === 'AbstractAnimal');
+    expect(edge).toBeDefined();
+  });
+
+  it('emits EXTENDS edge: Dog <: Animal', () => {
+    const extends_ = getRelationships(result, 'EXTENDS');
+    const edge = extends_.find((e) => e.source === 'Dog' && e.target === 'Animal');
+    expect(edge).toBeDefined();
+  });
+
+  it('emits EXTENDS edge: Cat <: Animal', () => {
+    const extends_ = getRelationships(result, 'EXTENDS');
+    const edge = extends_.find((e) => e.source === 'Cat' && e.target === 'Animal');
+    expect(edge).toBeDefined();
+  });
+
+  it('emits exactly 3 EXTENDS edges', () => {
+    const extends_ = getRelationships(result, 'EXTENDS');
+    expect(edgeSet(extends_).sort()).toEqual([
+      'Animal → AbstractAnimal',
+      'Cat → Animal',
+      'Dog → Animal',
+    ]);
+  });
+
+  it('all heritage edges point to real graph nodes', () => {
+    for (const edge of getRelationships(result, 'EXTENDS')) {
+      const target = result.graph.getNode(edge.rel.targetId);
+      expect(target).toBeDefined();
+    }
+  });
+});
+
+describe('Julia include() import routing', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'julia-include-import'), () => {});
+  }, 60000);
+
+  it('emits IMPORTS edge: app.jl → utils.jl from include()', () => {
+    const imports = getRelationships(result, 'IMPORTS');
+    const includeEdge = imports.find(
+      (e) => e.sourceFilePath === 'app.jl' && e.targetFilePath === 'utils.jl',
+    );
+    expect(includeEdge).toBeDefined();
+  });
+
+  it('resolves run → write_audit across include target', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const edge = calls.find(
+      (c) => c.source === 'run' && c.target === 'write_audit' && c.targetFilePath === 'utils.jl',
+    );
+    expect(edge).toBeDefined();
+  });
+});
+
+describe('Julia typed parameter extraction', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'julia-typed-params'), () => {});
+  }, 60000);
+
+  it('extracts parameter metadata for process(user::User, limit::Int)', () => {
+    const fns = getNodesByLabelFull(result, 'Function');
+    const process = fns.find((n) => n.name === 'process');
+    expect(process).toBeDefined();
+    expect(process?.properties.parameterCount).toBe(2);
+    expect(process?.properties.requiredParameterCount).toBe(2);
+    expect(process?.properties.parameterTypes).toEqual(['User', 'Int']);
+  });
+});
+
+describe('Julia export visibility in top-level scripts', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'julia-export-visibility'), () => {});
+  }, 60000);
+
+  it('marks underscore-prefixed function as internal', () => {
+    const fns = getNodesByLabelFull(result, 'Function');
+    const internal = fns.find((n) => n.name === '_internal');
+    expect(internal).toBeDefined();
+    expect(internal?.properties.isExported).toBe(false);
+  });
+
+  it('marks non-underscore function as exported', () => {
+    const fns = getNodesByLabelFull(result, 'Function');
+    const api = fns.find((n) => n.name === 'public_api');
+    expect(api).toBeDefined();
+    expect(api?.properties.isExported).toBe(true);
+  });
+});