初始提交：识流 AI 助手项目

微信自动回复机器人，基于截图+OCR识别消息，支持关键词规则和 AI（OpenAI/DeepSeek/Dify）自动回复。
技术栈：PySide6 + Flask + Vue3 + RapidOCR + SQLite

注：OCR大模型文件（.onnx / .pdiparams）不纳入版本控制，需单独下载。

🤖 Generated with [Qoder][https://qoder.com]

legacy/api_receive_message.php

@@ -0,0 +1,97 @@
+<?php
+// Python 客户端调用此接口，将微信新消息传进来
+require_once __DIR__ . '/config.php';
+require_once __DIR__ . '/db.php';
+require_once __DIR__ . '/ai_helper.php';
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+    json_response(['error' => 'Method not allowed'], 405);
+}
+
+$raw = file_get_contents('php://input');
+$data = json_decode($raw, true);
+if (!is_array($data)) {
+    $data = $_POST; // 兼容表单
+}
+
+$content = trim((string)($data['content'] ?? ''));
+$wxUserId = trim((string)($data['wx_user_id'] ?? ''));
+$wxNickname = trim((string)($data['wx_nickname'] ?? ''));
+$isFriendRequest = (int)($data['is_friend_request'] ?? 0);
+
+if ($content === '' && !$isFriendRequest) {
+    json_response(['error' => 'content is empty'], 400);
+}
+
+try {
+    $pdo = get_pdo();
+    $pdo->beginTransaction();
+
+    // 记录收到的消息
+    $stmt = $pdo->prepare("
+        INSERT INTO messages (wx_user_id, wx_nickname, direction, content, is_friend_request, created_at)
+        VALUES (:uid, :nick, 'in', :content, :fr, NOW())
+    ");
+    $stmt->execute([
+        ':uid' => $wxUserId,
+        ':nick' => $wxNickname,
+        ':content' => $content,
+        ':fr' => $isFriendRequest,
+    ]);
+    $inMsgId = (int)$pdo->lastInsertId();
+
+    $autoOn = get_setting('auto_reply_enabled', '1') === '1';
+    $replyText = '';
+    $usedRuleId = null;
+
+    if ($autoOn) {
+        // 先规则匹配
+        $rule = find_rule_reply($content);
+        if ($rule) {
+            $replyText = (string)$rule['reply_text'];
+            $usedRuleId = (int)$rule['id'];
+            // 调试信息
+            error_log("匹配到规则ID: {$usedRuleId}, 关键词: {$rule['keyword']}, 回复: {$replyText}");
+        } else {
+            // 没有规则就走 AI
+            error_log("未匹配到规则，调用AI，用户消息: {$content}");
+            $replyText = call_ai($content, $wxUserId);
+            error_log("AI返回: {$replyText}");
+        }
+    }
+
+    $shouldReply = $autoOn && $replyText !== '';
+    $replyMsgId = null;
+
+    if ($shouldReply) {
+        $stmt2 = $pdo->prepare("
+            INSERT INTO messages (wx_user_id, wx_nickname, direction, content, is_ai_reply, rule_id, created_at)
+            VALUES (:uid, :nick, 'out', :content, :is_ai, :rule_id, NOW())
+        ");
+        $stmt2->execute([
+            ':uid' => $wxUserId,
+            ':nick' => $wxNickname,
+            ':content' => $replyText,
+            ':is_ai' => 1,
+            ':rule_id' => $usedRuleId,
+        ]);
+        $replyMsgId = (int)$pdo->lastInsertId();
+    }
+
+    $pdo->commit();
+
+    json_response([
+        'success' => true,
+        'should_reply' => $shouldReply,
+        'reply_text' => $replyText,
+        'in_message_id' => $inMsgId,
+        'reply_message_id' => $replyMsgId,
+    ]);
+} catch (Throwable $e) {
+    if (isset($pdo) && $pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+    json_response(['error' => 'server_error', 'message' => $e->getMessage()], 500);
+}
+
+