Sprint 30: end-of-sprint architecture refactor pass

editor/src/BreakpointSystem.h

@@ -6,6 +6,8 @@
 #include <string>
 #include <vector>
 
+#include "DebugValidationUtil.h"
+
 struct Breakpoint {
     std::string id;
     std::string filePath;
@@ -96,7 +98,7 @@ private:
     std::map<std::string, size_t> index_;
 
     bool addBreakpoint(const Breakpoint& bp) {
-        if (bp.id.empty() || bp.filePath.empty() || bp.line <= 0) return false;
+        if (!hasRequiredDebugIds(bp.id, bp.filePath) || !isPositiveLine(bp.line)) return false;
         if (index_.count(bp.id) != 0) return false;
         breakpoints_.push_back(bp);
         index_[bp.id] = breakpoints_.size() - 1;

editor/src/DebugSessionModel.h

@@ -5,6 +5,8 @@
 #include <string>
 #include <vector>
 
+#include "DebugValidationUtil.h"
+
 struct DebugTargetContext {
     std::string targetId;
     std::string bufferId;
@@ -90,7 +92,7 @@ private:
                            const std::string& executablePath,
                            bool attached,
                            bool makeCurrent) {
-        if (targetId.empty() || bufferId.empty() || executablePath.empty()) return false;
+        if (!hasRequiredDebugIds(targetId, bufferId) || executablePath.empty()) return false;
         if (state_.targets.count(targetId) != 0) return false;
 
         DebugTargetContext context;

editor/src/DebugValidationUtil.h

@@ -0,0 +1,12 @@
+#pragma once
+// Sprint 30 refactor: shared debug validation helpers
+
+#include <string>
+
+inline bool hasRequiredDebugIds(const std::string& a, const std::string& b) {
+    return !a.empty() && !b.empty();
+}
+
+inline bool isPositiveLine(int line) {
+    return line > 0;
+}

editor/src/ExceptionStackTraceCapture.h

@@ -4,6 +4,8 @@
 #include <string>
 #include <vector>
 
+#include "DebugValidationUtil.h"
+
 struct StackFrame {
     std::string functionName;
     std::string filePath;
@@ -52,7 +54,7 @@ private:
         std::vector<StackFrame> out;
         int index = 0;
         for (const auto& f : frames) {
-            if (f.functionName.empty() || f.filePath.empty() || f.line <= 0) {
+            if (!hasRequiredDebugIds(f.functionName, f.filePath) || !isPositiveLine(f.line)) {
                 errors.push_back("invalid_frame:" + std::to_string(index));
                 ++index;
                 continue;