功能：实现 Danding_Points 积分系统插件

- 新增积分系统插件，支持积分查询、签到、转账等核心功能
- 包含对应的测试脚本

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

test_danding_points.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+"""Manual test script for danding_points plugin."""
+
+import asyncio
+import sys
+from pathlib import Path
+
+# Add project root to path
+sys.path.insert(0, str(Path(__file__).parent.parent.parent))
+
+from danding_bot.plugins.danding_points import points_api
+
+
+async def test_basic_operations():
+    """Test basic points operations."""
+    print("Testing basic operations...")
+
+    # Test 1: Get balance for non-existent user
+    balance = await points_api.get_balance("test_user_1")
+    assert balance == 0, f"Expected 0, got {balance}"
+    print("✓ Non-existent user returns 0 balance")
+
+    # Test 2: Add points (auto-create user)
+    success, new_balance = await points_api.add_points(
+        "test_user_1", 100, "test_source", "test reason"
+    )
+    assert success and new_balance == 100, f"Add failed: {success}, {new_balance}"
+    print("✓ Add points works and auto-creates user")
+
+    # Test 3: Get balance after add
+    balance = await points_api.get_balance("test_user_1")
+    assert balance == 100, f"Expected 100, got {balance}"
+    print("✓ Balance updated correctly")
+
+    # Test 4: Spend points
+    success, new_balance = await points_api.spend_points(
+        "test_user_1", 30, "test_source", "spend reason"
+    )
+    assert success and new_balance == 70, f"Spend failed: {success}, {new_balance}"
+    print("✓ Spend points works")
+
+    # Test 5: Spend more than balance (should fail)
+    success, new_balance = await points_api.spend_points(
+        "test_user_1", 100, "test_source", "should fail"
+    )
+    assert not success, "Should fail when spending more than balance"
+    print("✓ Spend fails when insufficient balance")
+
+    # Test 6: Set points
+    success, new_balance = await points_api.set_points(
+        "test_user_1", 50, "test_source", "set reason"
+    )
+    assert success and new_balance == 50, f"Set failed: {success}, {new_balance}"
+    print("✓ Set points works")
+
+    # Test 7: Get transactions
+    transactions = await points_api.get_transactions("test_user_1", limit=10)
+    assert len(transactions) > 0, "Should have transactions"
+    print(f"✓ Get transactions works ({len(transactions)} transactions)")
+
+    # Test 8: Get ranking
+    ranking = await points_api.get_ranking(limit=10)
+    assert len(ranking) > 0, "Should have ranking entries"
+    assert "rank" in ranking[0], "Ranking should have rank field"
+    print(f"✓ Get ranking works ({len(ranking)} entries)")
+
+    print("\n✅ All tests passed!")
+
+
+if __name__ == "__main__":
+    asyncio.run(test_basic_operations())