Nightly build 2025.02.13

What's Changed

Proposals accepted and merged 📜

• Safety milestones and a 2025 roadmap by @chandlerc in #4880

Toolchain and implementation changes 🛠️

• Generate Cpp namespace when import Cpp is used by @bricknerb in #4873
• Add a test where a FacetType is deduced as another FacetType by @danakj in #4917
• Use FacetAccessType when converting to a value of type FacetType by @danakj in #4925
• Improve comments on conversion from type value to type id by @danakj in #4885
• Don't use an impl when 'extend impl' is an error by @danakj in #4935
• Refactor subpattern logic out of Context by @jonmeow in #4929
• Change Context::IsImplFile to File::is_impl by @jonmeow in #4931
• Improve match parsing diagnostics by @czapiga in #4934
• Fold Context::GetCurrentScopeAs back into ScopeStack by @jonmeow in #4936
• When diagnosing poisoned name, point to the declared name instead of the entire declaration by @bricknerb in #4938
• Rename template constant -> concrete constant. by @zygoloid in #4939
• Refactor name lookup logic out of Context by @jonmeow in #4930
• Delete unused ParamPatternInfo::GetNameId by @jonmeow in #4942
• Avoid speculatively pushing a pattern block in impl handling by @geoffromer in #4943

Documentation changes 📝

• Update compiler explorer mentions in README by @jonmeow in #4946

Infrastructure changes 🏗️

• Register a vscode build task to save all files and run autoupdate. by @zygoloid in #4940
• Remove explorer from issue templates by @jonmeow in #4945

Full Changelog: v0.0.0-0.nightly.2025.02.12...v0.0.0-0.nightly.2025.02.13