Remove unused PIFS text window commands

tests/test_pageindex_filesystem_scope.py

@@ -182,6 +182,23 @@ def test_browse_is_agent_visible_semantic_command(tmp_path):
     assert executor.command_capabilities()["retrieval"]["semantic"]["commands"] == ["browse"]
 
 
+def test_shell_text_window_commands_are_not_agent_visible(tmp_path):
+    from pageindex.filesystem import PIFSCommandExecutor, PageIndexFileSystem
+    from pageindex.filesystem.commands import PIFSCommandError
+
+    filesystem = PageIndexFileSystem(workspace=tmp_path / "workspace")
+    executor = PIFSCommandExecutor(filesystem)
+
+    assert not {"head", "tail", "sed"} & executor.allowed_commands()
+    assert not {"head", "tail", "sed"} & set(
+        executor.command_capabilities()["allowed_commands"]
+    )
+
+    for command in ("head /documents/a.txt", "tail /documents/a.txt", "sed -n 1,1p /documents/a.txt"):
+        with pytest.raises(PIFSCommandError, match="Unsupported command"):
+            executor.execute(command)
+
+
 def test_browse_requires_positional_query_and_rejects_removed_options(tmp_path):
     from pageindex.filesystem import PIFSCommandExecutor, PageIndexFileSystem
     from pageindex.filesystem.commands import PIFSCommandError

tests/test_pageindex_structural_read.py

@@ -580,17 +580,6 @@ def test_cat_all_is_limited_to_text_files():
             executor.execute("cat dsid_json_file --all")
         opened_json = filesystem.open("dsid_json_file")
         assert opened_json.text == '{"body":"json"}'
-        for command in (
-            "head dsid_pdf_file",
-            "tail dsid_pdf_file",
-            "sed -n 1,1p dsid_pdf_file",
-            "head dsid_md_file",
-            "tail dsid_md_file",
-            "sed -n 1,1p dsid_md_file",
-        ):
-            with pytest.raises(PIFSCommandError, match="only supported for txt/text files"):
-                executor.execute(command)
-
 
 def test_pageindex_structure_commands_are_limited_to_pdf_and_markdown():
     from pageindex.filesystem import PIFSCommandExecutor, PageIndexFileSystem

tests/test_pifs_find_maxdepth.py

@@ -108,9 +108,6 @@ def test_shell_limits_reject_context_expanding_counts(tmp_path):
         ("grep --limit 21 Root /documents", 20),
         ("ls /documents --limit 101", 100),
         ("tree /documents --limit 201", 200),
-        ("head -n 101 /documents/Root\\ document", 100),
-        ("tail -n 101 /documents/Root\\ document", 100),
-        ("sed -n 1,101p /documents/Root\\ document", 100),
     ):
         with pytest.raises(PIFSCommandError, match=f"at most {limit}"):
             executor.execute(command)