feat：采用tool索引展开方式压缩tool，移除tool过滤器

tests/test_maisaka_deferred_tools.py

@@ -0,0 +1,63 @@
+from src.core.tooling import ToolSpec
+from src.llm_models.payload_content.message import RoleType
+from src.maisaka.chat_loop_service import MaisakaChatLoopService
+from src.maisaka.runtime import MaisakaHeartFlowChatting
+
+
+def _build_runtime_stub() -> MaisakaHeartFlowChatting:
+    runtime = object.__new__(MaisakaHeartFlowChatting)
+    runtime._current_action_tool_names = set()
+    runtime.deferred_tool_specs_by_name = {}
+    runtime.discovered_tool_names = set()
+    return runtime
+
+
+def test_deferred_tools_reminder_only_lists_undiscovered_tools() -> None:
+    runtime = _build_runtime_stub()
+    runtime.update_deferred_tool_specs(
+        [
+            ToolSpec(name="plugin_alpha", brief_description="alpha"),
+            ToolSpec(name="plugin_beta", brief_description="beta"),
+        ]
+    )
+    runtime.discover_deferred_tools(["plugin_alpha"])
+
+    reminder = runtime.build_deferred_tools_reminder()
+
+    assert "plugin_alpha" not in reminder
+    assert "1. plugin_beta" in reminder
+    assert "<system-reminder>" in reminder
+    assert "tool_search" in reminder
+
+
+def test_search_and_discover_deferred_tools() -> None:
+    runtime = _build_runtime_stub()
+    runtime.update_deferred_tool_specs(
+        [
+            ToolSpec(name="mcp__slack__send_message", brief_description="向 Slack 发送消息"),
+            ToolSpec(name="mcp__github__create_issue", brief_description="在 GitHub 创建 Issue"),
+        ]
+    )
+
+    matched_tool_specs = runtime.search_deferred_tool_specs("slack send", limit=5)
+    newly_discovered_tool_names = runtime.discover_deferred_tools([tool_spec.name for tool_spec in matched_tool_specs])
+
+    assert [tool_spec.name for tool_spec in matched_tool_specs] == ["mcp__slack__send_message"]
+    assert newly_discovered_tool_names == ["mcp__slack__send_message"]
+    assert [tool_spec.name for tool_spec in runtime.get_discovered_deferred_tool_specs()] == [
+        "mcp__slack__send_message"
+    ]
+
+
+def test_build_request_messages_appends_injected_user_message() -> None:
+    chat_loop_service = MaisakaChatLoopService(chat_system_prompt="system prompt")
+
+    messages = chat_loop_service._build_request_messages(
+        [],
+        injected_user_messages=["<system-reminder>\n1. plugin_beta\n</system-reminder>"],
+    )
+
+    assert len(messages) == 2
+    assert messages[0].role == RoleType.System
+    assert messages[1].role == RoleType.User
+    assert messages[1].content == "<system-reminder>\n1. plugin_beta\n</system-reminder>"

tests/test_maisaka_tool_visibility.py

@@ -12,3 +12,10 @@ def test_wait_tool_not_available_in_action_stage() -> None:
 
     assert "wait" not in tool_names
     assert "finish" in tool_names
+    assert "tool_search" in tool_names
+
+
+def test_tool_search_not_available_in_timing_stage() -> None:
+    tool_names = {tool_spec.name for tool_spec in get_timing_tool_specs()}
+
+    assert "tool_search" not in tool_names