fix: fix mock logic path; improve configs; improve stack trace reports

[hwei0]

Description

• fix mocking of camera streams and gpu server to actually work
• improve configs by making paths relative to root directory, and creating unique timestamped directories for storing logs on each invocation
• fix stack trace reports on crashes

Type of change

• [x ] Bug fix (non-breaking change which fixes an issue)
• [x ] This change requires a documentation update

How Has This Been Tested?

tested locally

Checklist:

• [x ] My commit title follows conventional commit guidelines
• [ x] I have made corresponding changes to the documentation
• [ x] I have tested my changes, confirming that my feature works