refactor!: 移除 dishka，改为内置裸标注参数注入

- handler 形参直接标注组件类型（api: BotApi）即注入，解析为 emitter 内同步查表（payload dataclass / Event / services 登记类型 / 回退原始 dict）

tests/test_emitter.py

@@ -2,6 +2,7 @@ import pytest
 
 from qqbotsdk.emitter import EventEmitter
 from qqbotsdk.model import Opcode, payload_of
+from qqbotsdk.payloads import GroupAtMessage
 from qqbotsdk.queue import EventQueue
 from qqbotsdk.session import Session
 
@@ -53,3 +54,49 @@ async def test_reply_payload_is_enqueued():
     reply = await queue.get_reply()
     assert reply["op"] == Opcode.HEARTBEAT
     assert reply["d"] == 42
+
+
+@pytest.mark.asyncio
+async def test_service_annotation_resolves_from_services():
+    queue = EventQueue()
+    emitter = EventEmitter(queue)
+
+    class Store:
+        pass
+
+    store = Store()
+    emitter.services[Store] = store
+    received: list[tuple[GroupAtMessage, Store, dict]] = []
+
+    @emitter.on("GROUP_AT_MESSAGE_CREATE")
+    async def handler(msg: GroupAtMessage, st: Store, d):
+        received.append((msg, st, d))
+
+    await emitter.emit(
+        {
+            "op": Opcode.DISPATCH,
+            "t": "GROUP_AT_MESSAGE_CREATE",
+            "d": {"content": "hi", "group_openid": "G1"},
+        }
+    )
+    assert len(received) == 1
+    msg, got, d = received[0]
+    assert got is store
+    assert isinstance(msg, GroupAtMessage) and msg.content == "hi"
+    assert d == {"content": "hi", "group_openid": "G1"}
+
+
+@pytest.mark.asyncio
+async def test_unregistered_annotation_falls_back_to_raw_dict():
+    queue = EventQueue()
+    emitter = EventEmitter(queue)
+    received: list[dict] = []
+
+    @emitter.on("READY")
+    async def handler(dep: Session):  # Session 未登记进 services
+        received.append(dep)
+
+    await emitter.emit(
+        {"op": Opcode.DISPATCH, "t": "READY", "d": {"session_id": "s1"}}
+    )
+    assert received == [{"session_id": "s1"}]