feat: add process crash popups

kernel/src/Sched/Scheduler.cpp

@@ -902,4 +902,11 @@ namespace Sched {
         return &processTable[slot];
     }
 
+    int SpawnCrashPad() {
+        // Spawn crashpad as a child of init (slot 0), not the crashing process.
+        // We can't use the current process context since we're in ExitProcess.
+        static constexpr const char* crashpadPath = "0:/apps/crashpad/crashpad.elf";
+        return Spawn(crashpadPath, nullptr);
+    }
+
 }

kernel/src/Sched/Scheduler.hpp

@@ -122,6 +122,10 @@ namespace Sched {
     // Find a process by PID (returns nullptr if not found or not alive)
     Process* GetProcessByPid(int pid);
 
+    // Spawn a crashpad process with the given crash file path as argument.
+    // Called by the exception handler when a process faults.
+    int SpawnCrashPad();
+
     // Get a pointer to slot i in the process table (for enumeration)
     Process* GetProcessSlot(int slot);