docs: 更新协议文档，删除废弃计划文档

- 更新 http-error-codes, user-points-chat-data-protocol
- 更新 divination-run-protocol, profile-protocol
- 删除废弃的后端和前端设计计划文档

apps/lib/features/divination/data/services/divination_run_service.dart

@@ -24,7 +24,7 @@ class DivinationRunService {
   }) async {
     final threadId = _uuidV4();
     final runId = 'run_${DateTime.now().millisecondsSinceEpoch}';
-    await _api.enqueueRun(
+    final accepted = await _api.enqueueRun(
       params: params,
       yaoStates: yaoStates,
       threadId: threadId,
@@ -103,6 +103,7 @@ class DivinationRunService {
     }
 
     return DivinationRunAggregate(
+      threadId: accepted.threadId,
       derived: derived,
       signLevel: signLevel,
       conclusion: conclusion,

apps/lib/features/divination/data/services/voice_recorder.dart

@@ -0,0 +1,64 @@
+import 'dart:io';
+
+import 'package:flutter/services.dart';
+import 'package:record/record.dart';
+
+abstract class VoiceRecorder {
+  Future<void> start();
+  Future<String?> stop();
+  Future<void> dispose();
+}
+
+class RecordVoiceRecorder implements VoiceRecorder {
+  RecordVoiceRecorder({AudioRecorder? recorder})
+    : _recorder = recorder ?? AudioRecorder();
+
+  final AudioRecorder _recorder;
+  String? _currentPath;
+
+  @override
+  Future<void> start() async {
+    bool hasPermission;
+    try {
+      hasPermission = await _recorder.hasPermission();
+    } on MissingPluginException {
+      throw StateError('录音能力不可用');
+    }
+    if (!hasPermission) {
+      throw StateError('录音权限未授权');
+    }
+
+    final fileName =
+        'voice_${DateTime.now().millisecondsSinceEpoch}_${DateTime.now().microsecond}.wav';
+    final path = '${Directory.systemTemp.path}/$fileName';
+    _currentPath = path;
+
+    try {
+      await _recorder.start(
+        const RecordConfig(
+          encoder: AudioEncoder.wav,
+          sampleRate: 16000,
+          numChannels: 1,
+        ),
+        path: path,
+      );
+    } on MissingPluginException {
+      throw StateError('录音能力不可用');
+    }
+  }
+
+  @override
+  Future<String?> stop() async {
+    try {
+      final stoppedPath = await _recorder.stop();
+      return stoppedPath ?? _currentPath;
+    } on MissingPluginException {
+      throw StateError('录音能力不可用');
+    }
+  }
+
+  @override
+  Future<void> dispose() async {
+    await _recorder.dispose();
+  }
+}