[man4ish]

Summary

Improve ecosystem path portability across OmniBioAI utility scripts.

Changes

• Remove machine-specific path assumptions.
• Improve portability of build and workflow utilities.
• Update ecosystem status and backup scripts.
• Update README documentation.

Validation

• Git diff whitespace checks passed.
• Runtime and integration tests remain unverified.

Scope

• 10 files changed.
• 41 insertions, 32 deletions.
• Commit: aaceb8a.

Safety

• No production infrastructure changes.
• No parent ecosystem Gitlink changes.
• Remaining uncommitted files are excluded.