[feature] Implement file.pwd()

[google-labs-jules]

Implemented file.pwd() method in eldritch-libfile to return the current working directory. The method returns Option<str>, where None is returned if the directory cannot be determined. Included implementations for both standard and fake environments, along with a unit test.

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PR created automatically by Jules for task 9557021610331532511 started by @KCarretto

[google-labs-jules]

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[github-actions]

Summary

Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
2453    ↑677	2453    ↑679	0    ↓2	0    ±0	0    ±0	0    ±0	26.5s    ↓490774h

Previous Results

Build 🏗️	Result 🧪	Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
#3330	✅	2453	2453	0	0	0	0	26.5s
#3328	❌	1776	1774	2	0	0	0	490774h
#3328	✅	2453	2453	0	0	0	0	26.6s
#3327	❌	2225	2222	3	0	0	0	27.3s
#3324	❌	2225	2222	3	0	0	0	26.2s

Insights

Average Tests per Run	Total Flaky Tests	Total Failed	Slowest Test (p95)
2226	0	8	45.8s

Fail Rate

Fail Rate	0.07%    ↓0.02

Test 📝	Results 📊	Passed ✅	Failed ❌	Fail Rate (%) 📈
eldritchv2: bindings_test::test_file_bindings	14	8	6	42.86    ↓11.69
eldritchv2: bindings_test::test_file_bindings	14	8	6	42.86    ↓11.69
eldritchv2: bindings_test::test_file_bindings	14	8	6	42.86    ↓11.69
TestReportFile	5	4	1	20.00    ↓5.00
eldritch: assets::copy_impl::tests::test_embedded_copy	15	14	1	6.67    ↓1.66
eldritch: assets::copy_impl::tests::test_embedded_copy	15	14	1	6.67    ↓1.66
eldritch: assets::copy_impl::tests::test_embedded_copy	15	14	1	6.67    ↓1.66

Failed Tests

No failed tests ✨

Slowest Tests

Test 📝	Results 📊	Duration (avg) ⏱️	Duration (p95) ⏱️
eldritch: random::string_impl::tests::test_string_uniform	14	40.2s	45.8s
eldritch: random::string_impl::tests::test_string_uniform	14	40.2s	45.8s
eldritch: random::string_impl::tests::test_string_uniform	14	40.2s	45.8s
eldritch: pivot::port_scan_impl::tests::test_portscan_return_type_starlark_dict_from_interpreter	14	2.1s	8.7s
eldritch: pivot::port_scan_impl::tests::test_portscan_return_type_starlark_dict_from_interpreter	14	2.1s	8.7s
eldritch: pivot::port_scan_impl::tests::test_portscan_return_type_starlark_dict_from_interpreter	14	2.1s	8.7s
eldritch: process::info_impl::tests::test_info_default	14	1.8s	8.7s
eldritch: process::info_impl::tests::test_info_default	14	1.8s	8.7s
eldritch: process::info_impl::tests::test_info_default	14	1.8s	8.7s
eldritch: pivot::ssh_copy_impl::tests::test_pivot_ssh_copy	14	3.4s	8.7s

_{🍂 No flaky tests detected across all runs. | ⏱️ Measured over 5 runs.}

Github Test Reporter by CTRF 💚

🔄 This comment has been updated

[KCarretto]

Fixes #1419

[google-labs-jules]

Fixes #1419

Acknowledged.

[hulto]

We should split these out of one file.