test(sandbox): add [paths] section regression tests for FR2 v2 design

tests/test_test_sandbox.py

@@ -246,6 +246,62 @@ def test_appcontroller_init_does_not_load_config() -> None:
  raise AssertionError("AppController.__init__ not found")
 
 
+def test_config_overrides_toml_has_paths_section() -> None:
+ """The auto-generated config_overrides.toml must include a [paths] section
+ that overrides every path getter to point inside _ISOLATION_WORKSPACE.
+ This is the v2 design (FR2 + per-path routing via config.toml, no env vars).
+ [C: tests/conftest.py:isolate_workspace]"""
+ import tomllib
+ runs = sorted(Path("tests/artifacts").glob("_isolation_workspace_*"))
+ assert runs, "no isolation workspaces found — did a test run yet?"
+ latest = runs[-1]
+ config_file = latest / "config_overrides.toml"
+ assert config_file.exists(), f"missing {config_file}"
+ with open(config_file, "rb") as f:
+  cfg = tomllib.load(f)
+ assert "paths" in cfg, (
+  f"config_overrides.toml must contain a [paths] section; "
+  f"got sections: {list(cfg.keys())}"
+ )
+ paths = cfg["paths"]
+ expected_keys = {
+  "presets", "tool_presets", "personas", "themes",
+  "workspace_profiles", "credentials", "logs_dir", "scripts_dir",
+ }
+ missing = expected_keys - set(paths.keys())
+ assert not missing, f"missing [paths] keys: {missing}"
+ for key, value in paths.items():
+  assert str(latest) in str(value), (
+   f"[paths].{key} = '{value}' does not point inside {latest}"
+  )
+
+
+def test_path_getters_read_from_config_paths_section() -> None:
+ """Every global path getter in src/paths.py reads from the [paths] section
+ of the active config when no env var is set. Verifies via AST that each
+ get_*_path() function calls _resolve_path (not raw os.environ.get)."""
+ import ast
+ paths_py = Path(__file__).resolve().parent.parent / "src" / "paths.py"
+ tree = ast.parse(paths_py.read_text(encoding="utf-8"))
+ getters = {
+  "get_global_presets_path": "presets",
+  "get_global_tool_presets_path": "tool_presets",
+  "get_global_personas_path": "personas",
+  "get_global_themes_path": "themes",
+  "get_global_workspace_profiles_path": "workspace_profiles",
+  "get_credentials_path": "credentials",
+  "get_logs_dir": "logs_dir",
+  "get_scripts_dir": "scripts_dir",
+ }
+ for node in ast.walk(tree):
+  if isinstance(node, ast.FunctionDef) and node.name in getters:
+   src = ast.unparse(node)
+   assert "_resolve_path(" in src, (
+    f"{node.name} must call _resolve_path() to read from config.toml [paths]; "
+    f"got direct os.environ.get() instead."
+   )
+
+
 @pytest.mark.skipif(os.name != "nt", reason="Windows-only sandbox wrapper")
 def test_run_tests_sandboxed_whatif() -> None:
  """pwsh -File scripts/run_tests_sandboxed.ps1 -WhatIf exits 0 without