diff --git a/src/data/blueprintParser.ts b/src/data/blueprintParser.ts
index 6feca45..885edfe 100644
--- a/src/data/blueprintParser.ts
+++ b/src/data/blueprintParser.ts
@@ -56,13 +56,12 @@ function parseSubsystems(yaml: string): Subsystem[] {
   
   for (const line of lines) {
     const trimmed = line.trim();
-    const indent = line.search(/\S/);
     
-    if (trimmed.startsWith('subsystems:')) {
+    if (trimmed.startsWith('modules:')) {
       continue;
     }
     
-    if (trimmed.startsWith('- name:') && indent <= 2) {
+    if (trimmed.startsWith('- name:')) {
       if (current.name) {
         subsystems.push({
           id: current.name,
@@ -94,7 +93,7 @@ function parseSubsystems(yaml: string): Subsystem[] {
     if (trimmed.startsWith('provides:')) {
       currentField = 'provides';
       const match = trimmed.match(/\[(.*?)\]/);
-      if (match) {
+      if (match && match[1] !== undefined) {
         current.provides = match[1].split(',').map(s => s.trim());
       } else {
         current.provides = [];
@@ -105,7 +104,7 @@ function parseSubsystems(yaml: string): Subsystem[] {
     if (trimmed.startsWith('depends_on:')) {
       currentField = 'depends_on';
       const match = trimmed.match(/\[(.*?)\]/);
-      if (match && match[1].trim()) {
+      if (match && match[1] !== undefined && match[1].trim()) {
         current.depends_on = match[1].split(',').map(s => s.trim());
       } else {
         current.depends_on = [];
@@ -130,7 +129,7 @@ function parseSubsystems(yaml: string): Subsystem[] {
     
     if (currentField === 'boundary' && trimmed.startsWith('inputs:')) {
       const match = trimmed.match(/\[(.*?)\]/);
-      if (match) {
+      if (match && match[1] !== undefined) {
         current.boundary!.inputs = match[1].split(',').map(s => s.trim());
       }
       continue;
@@ -138,7 +137,7 @@ function parseSubsystems(yaml: string): Subsystem[] {
     
     if (currentField === 'boundary' && trimmed.startsWith('outputs:')) {
       const match = trimmed.match(/\[(.*?)\]/);
-      if (match) {
+      if (match && match[1] !== undefined) {
         current.boundary!.outputs = match[1].split(',').map(s => s.trim());
       }
       continue;
@@ -171,13 +170,12 @@ function parseModules(yaml: string): Module[] {
   
   for (const line of lines) {
     const trimmed = line.trim();
-    const indent = line.search(/\S/);
     
     if (trimmed.startsWith('modules:')) {
       continue;
     }
     
-    if (trimmed.startsWith('- name:') && indent <= 2) {
+    if (trimmed.startsWith('- name:')) {
       if (current.name && current.parent_subsystem) {
         modules.push({
           id: current.name,