fix(version): sync manifests to 0.36.1 and archive backlog-core-04

[djm81]

Description

Follow-up PR after #294 to merge remaining commits on this branch into dev:

• archive updates from openspec archive for backlog-core-04-installed-runtime-discovery-and-add-prompt
• built-in module manifest version sync to 0.36.1 (fixes CI failure in test_builtin_module_manifest_versions_match_cli_version)

Fixes #295

New Features N/A

Contract References: No new contract APIs in this follow-up.

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🔒 Contract enforcement (adding/updating @icontract decorators)
• 🧪 Test enhancement (scenario tests, property-based tests)
• 🔧 Refactoring (code improvement without functionality change)

How Has This Been Tested?

Automated Testing

• Targeted failing test now passes:
  • hatch run pytest tests/unit/specfact_cli/test_module_migration_compatibility.py::test_builtin_module_manifest_versions_match_cli_version -q

Test Environment

• Python version: 3.12.8
• OS: Linux

Checklist

• My code follows style guidelines
• I performed a self-review
• Tests proving fix were run