fix(file_tools): resolve bookkeeping paths against live terminal cwd

tests/tools/test_resolve_path.py

@@ -2,6 +2,7 @@
 
 import os
 from pathlib import Path
+from types import SimpleNamespace
 
 import pytest
 
@@ -22,8 +23,9 @@ class TestResolvePath:
         monkeypatch.setenv("TERMINAL_CWD", str(tmp_path))
         from tools.file_tools import _resolve_path
 
-        result = _resolve_path("/etc/hosts")
-        assert result == Path("/etc/hosts")
+        absolute = (tmp_path / "already-absolute.txt").resolve()
+        result = _resolve_path(str(absolute))
+        assert result == absolute
 
     def test_falls_back_to_cwd_without_terminal_cwd(self, monkeypatch):
         """Without TERMINAL_CWD, falls back to os.getcwd()."""
@@ -50,3 +52,34 @@ class TestResolvePath:
         result = _resolve_path("a/../b/file.txt")
         assert ".." not in str(result)
         assert result == (tmp_path / "b" / "file.txt")
+
+    def test_relative_path_prefers_live_file_ops_cwd(self, monkeypatch, tmp_path):
+        """Live env.cwd must win after the terminal session changes directory."""
+        start_dir = tmp_path / "start"
+        live_dir = tmp_path / "worktree"
+        start_dir.mkdir()
+        live_dir.mkdir()
+        monkeypatch.setenv("TERMINAL_CWD", str(start_dir))
+
+        from tools import file_tools
+
+        task_id = "live-cwd"
+        fake_ops = SimpleNamespace(
+            env=SimpleNamespace(cwd=str(live_dir)),
+            cwd=str(start_dir),
+        )
+
+        with file_tools._file_ops_lock:
+            previous = file_tools._file_ops_cache.get(task_id)
+            file_tools._file_ops_cache[task_id] = fake_ops
+
+        try:
+            result = file_tools._resolve_path("nested/file.txt", task_id=task_id)
+        finally:
+            with file_tools._file_ops_lock:
+                if previous is None:
+                    file_tools._file_ops_cache.pop(task_id, None)
+                else:
+                    file_tools._file_ops_cache[task_id] = previous
+
+        assert result == live_dir / "nested" / "file.txt"