wire in-process dispatcher — no daemon socket needed

InProcessClient dispatches IPC requests directly to handlers in the
same process, bypassing the unix socket entirely. All subsystem
registries (pane, files, editor, git, pql) are created in the
Flutter app's boot sequence and registered on a DaemonDispatcher.
Events bridge to the kernel EventBus via _BusEventSink. The app
no longer needs `clide --daemon` running.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

lib/kernel/src/ipc/in_process.dart

@@ -0,0 +1,32 @@
+import 'package:clide/clide.dart';
+import 'package:clide/kernel/src/ipc/client.dart';
+import 'package:clide/kernel/src/events/bus.dart';
+import 'package:clide/kernel/src/log.dart';
+import 'package:clide/src/daemon/dispatcher.dart';
+
+class InProcessClient extends DaemonClient {
+  InProcessClient({
+    required Logger log,
+    required EventBus events,
+    required this.dispatcher,
+  }) : super(socketPath: '', log: log, events: events);
+
+  final DaemonDispatcher dispatcher;
+  int _nextReqId = 0;
+
+  @override
+  bool get isConnected => true;
+
+  @override
+  Future<void> start() async {}
+
+  @override
+  Future<void> stop() async {}
+
+  @override
+  Future<IpcResponse> request(String cmd, {Map<String, Object?> args = const {}}) {
+    final id = '${_nextReqId++}';
+    final req = IpcRequest(id: id, cmd: cmd, args: args);
+    return dispatcher.dispatch(req);
+  }
+}