feat: 抽卡签到功能 - 首次抽卡/三连自动签到获随机积分

- data_manager: 新增 daily_sign_in 表、has_signed_in_today、record_sign_in 方法
- utils: 新增 get_luck_description、format_sign_in_message 函数
- __init__: 新增 try_handle_daily_sign_in 签到入口
- handle_gacha/handle_triple_gacha 成功路径 finish()→send()+签到+return
- 签到失败不影响抽卡主流程，UNIQUE约束防并发重复

danding_bot/plugins/onmyoji_gacha/__init__.py

@@ -1,4 +1,6 @@
 import os
+import logging
+import random
 from nonebot import on_command, on_startswith
 from nonebot.adapters.onebot.v11 import Bot, GroupMessageEvent, MessageEvent, Message
 from nonebot.adapters.onebot.v11.message import MessageSegment
@@ -8,9 +10,10 @@ from pathlib import Path
 
 from .config import Config
 from .gacha import GachaSystem
-from .utils import format_user_mention, get_image_path
+from .utils import format_sign_in_message, format_user_mention, get_image_path
 from .api_utils import process_ssr_sp_reward, process_achievement_reward
 from . import web_api
+from danding_bot.plugins.danding_points import points_api
 
 # 创建Config实例
 config = Config()
@@ -27,6 +30,11 @@ INTRO_COMMANDS = config.INTRO_COMMANDS
 DAILY_LIMIT = config.DAILY_LIMIT
 
 gacha_system = GachaSystem()
+logger = logging.getLogger(__name__)
+SIGN_IN_MIN_POINTS = 1
+SIGN_IN_MAX_POINTS = 100
+SIGN_IN_SOURCE = "gacha_sign"
+SIGN_IN_REASON = "抽卡签到"
 
 # 检查是否允许使用功能的规则
 def check_permission() -> Rule:
@@ -43,6 +51,32 @@ def check_permission() -> Rule:
     
     return Rule(_checker)
 
+
+async def try_handle_daily_sign_in(matcher, user_id: str, user_name: str) -> None:
+    """处理抽卡成功后的每日签到，不影响主流程"""
+    try:
+        if gacha_system.data_manager.has_signed_in_today(user_id):
+            return
+
+        points = random.randint(SIGN_IN_MIN_POINTS, SIGN_IN_MAX_POINTS)
+        success, new_balance = await points_api.add_points(
+            user_id,
+            points,
+            SIGN_IN_SOURCE,
+            SIGN_IN_REASON,
+        )
+        if not success:
+            logger.error("抽卡签到积分发放失败 user_id=%s points=%s", user_id, points)
+            return
+
+        if not gacha_system.data_manager.record_sign_in(user_id, points):
+            logger.warning("抽卡签到落库冲突，积分已发放但签到记录重复 user_id=%s", user_id)
+            return
+
+        await matcher.send(format_sign_in_message(user_id, user_name, points, new_balance))
+    except Exception:
+        logger.exception("处理抽卡签到失败 user_id=%s", user_id)
+
 # 注册抽卡命令，添加权限检查规则
 gacha_matcher = on_command("抽卡", aliases=set(GACHA_COMMANDS), priority=10, rule=check_permission())
 
@@ -188,7 +222,9 @@ async def handle_gacha(bot: Bot, event: MessageEvent, state: T_State):
     else:
         msg.append(f"\n\n抽中SSR或SP时，可获得蛋定助手天卡一张哦~~")
 
-    await gacha_matcher.finish(msg)
+    await gacha_matcher.send(msg)
+    await try_handle_daily_sign_in(gacha_matcher, user_id, user_name)
+    return
 
 async def notify_admin(bot: Bot, message: str):
     """通知管理员"""
@@ -395,7 +431,9 @@ async def handle_triple_gacha(bot: Bot, event: MessageEvent, state: T_State):
             admin_msg += f" 需要手动发放 {ssr_count} 张奖励!"
         await notify_admin(bot, admin_msg)
     
-    await triple_gacha_matcher.finish(msg)
+    await triple_gacha_matcher.send(msg)
+    await try_handle_daily_sign_in(triple_gacha_matcher, user_id, user_name)
+    return
 
 @achievement_matcher.handle()
 async def handle_achievement(bot: Bot, event: MessageEvent, state: T_State):
@@ -759,4 +797,4 @@ from . import web_api
 try:
     web_api.register_web_routes()
 except Exception as e:
-    print(f"❌ 注册 onmyoji_gacha Web 路由失败: {e}")
+    print(f"❌ 注册 onmyoji_gacha Web 路由失败: {e}")