兼容 memory-wiki 输入路径并强调相对路径

- memory-wiki 的 wiki_root 路径解析兼容：相对路径 / data/wiki 前缀 / wiki_root 下绝对路径
- 系统提示词强调：模型传相对 wiki 根路径（相对 data/wiki），避免直接给 data/wiki/... 或绝对路径
- 修复并回归：memory-wiki 工具动态加载模块 import-time 错误（sys.modules 注入）
- chat.js 增强会话滚动跟随（异步渲染补滚）

Made-with: Cursor

tests/test_memory_wiki_tools_loader.py

@@ -1,5 +1,8 @@
 from __future__ import annotations
 
+from pathlib import Path
+
+from oclaw.platform.config.paths import PROJECT_ROOT
 from oclaw.runtime.tools.experts.memory.wiki_tools import (
     memory_wiki_apply_tool,
     memory_wiki_get_tool,
@@ -35,3 +38,22 @@ def test_memory_wiki_tools_handlers_load_without_dataclass_module_error() -> Non
     assert "AttributeError" not in str(apply_res.get("error", ""))
     assert "__dict__" not in str(apply_res.get("error", ""))
 
+
+def test_memory_wiki_tools_accept_relative_prefixed_and_absolute_paths() -> None:
+    wiki_root = (PROJECT_ROOT / "data" / "wiki").resolve()
+    rel = Path("improvement") / "learnings.md"
+    abs_path = str((wiki_root / rel).resolve())
+    prefixed_rel = str(Path("data/wiki") / rel)
+
+    # Relative
+    r1 = memory_wiki_get_tool().handler({"path": str(rel)})
+    assert r1.get("ok") is True
+
+    # Prefixed by "data/wiki/..."
+    r2 = memory_wiki_get_tool().handler({"path": prefixed_rel})
+    assert r2.get("ok") is True
+
+    # Absolute path under wiki_root
+    r3 = memory_wiki_get_tool().handler({"path": abs_path})
+    assert r3.get("ok") is True
+