Mac: finish Moltbot rename (paths)

apps/macos/Sources/Moltbot/FileHandle+SafeRead.swift

@@ -0,0 +1,28 @@
+import Foundation
+
+extension FileHandle {
+    /// Reads until EOF using the throwing FileHandle API and returns empty `Data` on failure.
+    ///
+    /// Important: Avoid legacy, non-throwing FileHandle read APIs (e.g. `readDataToEndOfFile()` and
+    /// `availableData`). They can raise Objective-C exceptions when the handle is closed/invalid, which
+    /// will abort the process.
+    func readToEndSafely() -> Data {
+        do {
+            return try self.readToEnd() ?? Data()
+        } catch {
+            return Data()
+        }
+    }
+
+    /// Reads up to `count` bytes using the throwing FileHandle API and returns empty `Data` on failure/EOF.
+    ///
+    /// Important: Use this instead of `availableData` in callbacks like `readabilityHandler` to avoid
+    /// Objective-C exceptions terminating the process.
+    func readSafely(upToCount count: Int) -> Data {
+        do {
+            return try self.read(upToCount: count) ?? Data()
+        } catch {
+            return Data()
+        }
+    }
+}