format the tree to current dart format spec

Mechanical `dart format` sweep across files that drifted from the
formatter's output (mostly trailing-comma and line-wrap differences
from a Dart SDK / formatter version bump). No semantic changes.

Caught because the pre-push gate now actually fires.

Co-Authored-By: Claude <noreply@anthropic.com>

lib/src/pty/native_pty.dart

@@ -140,11 +140,9 @@ class NativePty {
     // Pre-allocate error envelopes the child will write to its stdout
     // (slave PTY → parent's master fd) before _exit, so the parent's
     // reader sees a real diagnostic instead of an indistinguishable EOF.
-    final chdirErr = 'clide: chdir failed: $workingDirectory\n'
-        .toNativeUtf8(allocator: malloc);
+    final chdirErr = 'clide: chdir failed: $workingDirectory\n'.toNativeUtf8(allocator: malloc);
     final chdirErrLen = chdirErr.length;
-    final execveErr = 'clide: exec failed: $executable\n'
-        .toNativeUtf8(allocator: malloc);
+    final execveErr = 'clide: exec failed: $executable\n'.toNativeUtf8(allocator: malloc);
     final execveErrLen = execveErr.length;
 
     // Allocate ALL native memory before fork.

lib/src/pty/session.dart

@@ -146,11 +146,7 @@ class PtySession {
       try {
         libc.setWinsize(masterFd, cols, rows);
 
-        final stdoutLine = await proc.stdout
-            .transform(const Utf8Decoder())
-            .transform(const LineSplitter())
-            .first
-            .timeout(const Duration(seconds: 5));
+        final stdoutLine = await proc.stdout.transform(const Utf8Decoder()).transform(const LineSplitter()).first.timeout(const Duration(seconds: 5));
         final pid = _extractPid(stdoutLine);
 
         final code = await proc.exitCode;