fix(cookbook): activate local Windows venv in bash runner (#5734)

tests/test_cookbook_helpers.py

@@ -16,6 +16,7 @@ from routes.cookbook_helpers import (
     _llama_cpp_rebuild_cmd,
     _append_vllm_linux_preflight_lines,
     _local_tooling_path_export,
+    _local_windows_bash_env_prefix,
     _pip_install_attempt,
     _pip_install_fallback_chain,
     _ollama_bind_from_cmd,
@@ -107,6 +108,70 @@ def test_safe_env_prefix_accepts_powershell_activation_path():
     )
 
 
+@pytest.mark.parametrize(
+    ("prefix", "expected"),
+    [
+        ("& 'C:\\Users\\me\\venv\\Scripts\\Activate.ps1'", "source /c/Users/me/venv/Scripts/activate"),
+        (r"& C:\Users\me\venv\Scripts\Activate.ps1", "source /c/Users/me/venv/Scripts/activate"),
+        (
+            r"& C:\Users\me\My Envs\venv\Scripts\Activate.ps1",
+            "source '/c/Users/me/My Envs/venv/Scripts/activate'",
+        ),
+        (
+            "& 'C:\\Users\\me\\My Envs\\venv\\Scripts\\Activate.ps1'",
+            "source '/c/Users/me/My Envs/venv/Scripts/activate'",
+        ),
+        (r"& D:/Envs/venv/Scripts/Activate.ps1", "source /d/Envs/venv/Scripts/activate"),
+    ],
+)
+def test_local_windows_bash_env_prefix_converts_powershell_venv_activation(prefix, expected):
+    converted = _local_windows_bash_env_prefix(prefix)
+
+    assert converted == expected
+    assert _safe_env_prefix(converted).startswith('[ -f "')
+
+
+@pytest.mark.parametrize(
+    "prefix",
+    [
+        None,
+        "",
+        "source /home/me/venv/bin/activate",
+        "conda activate qwen35",
+        'eval "$(conda shell.bash hook)" && conda activate qwen35',
+        r"& \\server\share\venv\Scripts\Activate.ps1",
+    ],
+)
+def test_local_windows_bash_env_prefix_leaves_other_prefixes_unchanged(prefix):
+    assert _local_windows_bash_env_prefix(prefix) == prefix
+
+
+def test_local_windows_bash_env_prefix_handles_long_whitespace_input():
+    prefix = "\t" * 100_000
+
+    assert _local_windows_bash_env_prefix(prefix) == prefix
+
+
+@pytest.mark.parametrize(
+    "relative_path",
+    ["static/js/cookbookRunning.js", "static/js/cookbookDownload.js"],
+)
+def test_primary_windows_venv_emitters_quote_activation_path(relative_path):
+    source = (Path(__file__).resolve().parents[1] / relative_path).read_text(encoding="utf-8")
+
+    assert "'& ' + _psQuote(" in source
+    assert "_psQuote = shared._psQuote;" in source
+
+
+def test_windows_venv_conversion_stays_scoped_to_local_git_bash_runners():
+    source = (Path(__file__).resolve().parents[1] / "routes/cookbook_routes.py").read_text(encoding="utf-8")
+    guarded_conversion = (
+        "_local_windows_bash_env_prefix(req.env_prefix) if local_windows else req.env_prefix"
+    )
+
+    assert source.count(guarded_conversion) == 2
+
+
 def test_validate_local_dir_accepts_external_drive_paths_with_spaces():
     path = "/Volumes/T7 2TB/AI Models/llamacpp"