feat: 统一 max_input_tokens API,所有引擎必须返回最大输入 token 数
- openai/ollama/manual 三引擎均暴露 max_input_tokens 属性(统一契约) - ollama 额外上报 prompt_eval_count 到 last_prompt_tokens,使本地模型也走 token 感知压缩 - should_compress 改用 max_input_tokens,系统依当前引擎上限的 70%(compress_ratio)自动触发 - 压缩始终调用当前引擎(current_engine)做总结,符合"调用当前引擎总结压缩" - 新增 tests/test_max_input_tokens.py 覆盖契约 + 70% 触发 + 消息数兜底 Co-Authored-By: WorkBuddy <workbuddy@tencent.com>
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@@ -44,6 +44,8 @@ class ManualAI:
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self.conversation_history = []
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self.max_history = 10
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self._subprocess = None
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# 最近一次请求的 prompt token 数(手动引擎无真实模型,恒为 None)
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self.last_prompt_tokens = None
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self._session_id = str(int(time.time()))
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self._started = False
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@@ -240,6 +242,11 @@ while True:
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time.sleep(0.3)
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'''
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@property
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def max_input_tokens(self):
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"""当前引擎支持的最大输入 token 数(统一 API)。手动引擎无真实模型,给名义上限。"""
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return 128000
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def generate_response(self, user_input, tool_results=None, system_prompt=None):
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"""生成响应 — 转发给另一个终端的人工"""
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paths = self._get_paths()
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@@ -113,6 +113,9 @@ Ollama AI引擎插件帮助信息
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# 共享对话历史引用(由CLI设置)
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self.shared_conversation_history = None
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# 最近一次请求的 prompt token 数(供 token 感知压缩使用)
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self.last_prompt_tokens = None
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# 直接启用思考标记,由主程序自动处理深度思考模型的响应
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self.thinking_start_marker = "<thinking>"
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@@ -156,7 +159,13 @@ Ollama AI引擎插件帮助信息
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except Exception as e:
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# 如果出现异常,说明服务未运行
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return False
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@property
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def max_input_tokens(self):
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"""当前引擎支持的最大输入 token 数(统一 API,供上下文压缩使用)。
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本地 Ollama 由配置 max_token_k 换算的 num_ctx 决定。"""
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return self.num_ctx
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def generate_response(self, user_input, tool_results=None, system_prompt=None, tools=None):
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"""
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生成AI响应 - 使用Ollama API
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@@ -203,6 +212,15 @@ Ollama AI引擎插件帮助信息
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# ── Function Calling: 检查 tool_calls ──
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message = response.get("message", {})
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# 上报本轮 prompt token 数(Ollama 返回 prompt_eval_count),供 token 感知压缩
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try:
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if isinstance(response, dict):
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_pet = response.get("prompt_eval_count")
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else:
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_pet = getattr(response, "prompt_eval_count", None)
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self.last_prompt_tokens = int(_pet) if _pet else None
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except Exception:
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self.last_prompt_tokens = None
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tool_calls_raw = message.get("tool_calls")
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if tool_calls_raw:
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# Ollama 的 tool_calls 格式: [{"function": {"name": ..., "arguments": {...}}}]
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@@ -582,6 +582,11 @@ OpenAI 兼容格式引擎帮助信息
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return win
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return 128000
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@property
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def max_input_tokens(self):
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"""当前引擎支持的最大输入 token 数(统一 API,供上下文压缩使用)。"""
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return self.context_window()
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def list_models(self):
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"""列出可用模型(调用 API 的 /models 端点)"""
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if not self.base_url:
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@@ -0,0 +1,66 @@
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"""max_input_tokens 统一 API + token 感知压缩 回归测试
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验证:
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1. 所有引擎(openai / ollama / manual)都暴露 max_input_tokens 且返回正整数(API 契约)。
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2. 系统依据 max_input_tokens 的 70% 自动判定压缩(should_compress)。
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"""
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import os
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import sys
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import pytest
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PROJECT_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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if PROJECT_ROOT not in sys.path:
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sys.path.insert(0, PROJECT_ROOT)
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def _engine_classes():
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from ai_engines.openai_engine import OpenaiAI
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from ai_engines.ollama_engine import OllamaAI
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from ai_engines.manual_engine import ManualAI
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return {"openai": OpenaiAI, "ollama": OllamaAI, "manual": ManualAI}
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def test_all_engines_expose_max_input_tokens():
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"""所有引擎必须返回 max_input_tokens(统一 API 契约)"""
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for name, cls in _engine_classes().items():
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assert hasattr(cls, "max_input_tokens"), f"{name} 引擎缺少 max_input_tokens 属性"
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def test_max_input_tokens_positive_when_instantiated():
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"""实例化后 max_input_tokens 应为正整数"""
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for name, cls in _engine_classes().items():
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try:
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inst = cls()
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except Exception as e:
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pytest.skip(f"{name} 引擎实例化失败(环境/网络),跳过实例检查: {e}")
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val = inst.max_input_tokens
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assert isinstance(val, int) and val > 0, f"{name} 的 max_input_tokens 非法: {val!r}"
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def _mgr():
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from xcli_core.memory import MemoryManager
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return MemoryManager(project_dir=PROJECT_ROOT)
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def _conv(n):
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return [{"role": "user", "content": f"msg {i}"} for i in range(n)]
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def test_should_compress_token_aware_triggers_at_70pct():
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mgr = _mgr()
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# 7000 / 10000 = 0.7 >= 0.7 → 触发
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assert mgr.should_compress(_conv(5), prompt_tokens=7000, max_input_tokens=10000, ratio=0.7) is True
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def test_should_compress_token_aware_below_threshold():
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mgr = _mgr()
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# 6000 / 10000 = 0.6 < 0.7 → 不触发(消息数也未超阈值)
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assert mgr.should_compress(_conv(5), prompt_tokens=6000, max_input_tokens=10000, ratio=0.7) is False
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def test_should_compress_message_count_fallback():
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mgr = _mgr()
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# 无 token 信息,仅消息数 > 50 → 兜底触发
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assert mgr.should_compress(_conv(60)) is True
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assert mgr.should_compress(_conv(10)) is False
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@@ -760,10 +760,11 @@ multi 操作支持一次修改多处:
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if hasattr(self, 'memory_manager') and self.memory_manager:
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engine = self.current_engine
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prompt_tokens = getattr(engine, 'last_prompt_tokens', None) if engine else None
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# 统一 API:所有引擎必须返回 max_input_tokens(最大输入 token 数)
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ctx = None
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if engine and hasattr(engine, 'context_window'):
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if engine:
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try:
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ctx = engine.context_window()
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ctx = engine.max_input_tokens
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except Exception:
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ctx = None
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ratio = get_system_config('compress_ratio', 0.7)
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+4
-4
@@ -307,18 +307,18 @@ class MemoryManager:
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except (TypeError, ValueError):
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pass
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def should_compress(self, conversation: list, prompt_tokens=None, context_window=None, ratio=None) -> bool:
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def should_compress(self, conversation: list, prompt_tokens=None, max_input_tokens=None, ratio=None) -> bool:
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"""
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判断是否需要压缩上下文。
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优先级:
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1. token 感知: prompt_tokens/context_window >= ratio 触发(OpenAI 格式可拿到真实 token 数)
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1. token 感知: prompt_tokens/max_input_tokens >= ratio 触发(引擎需返回 max_input_tokens)
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2. 兜底: 消息数超过 compress_threshold
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"""
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if ratio is None:
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ratio = self.compress_ratio
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if prompt_tokens and context_window:
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if prompt_tokens and max_input_tokens:
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try:
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if int(context_window) > 0 and (int(prompt_tokens) / int(context_window)) >= ratio:
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if int(max_input_tokens) > 0 and (int(prompt_tokens) / int(max_input_tokens)) >= ratio:
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return True
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except (TypeError, ValueError):
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pass
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