Problem (one or two sentences)

current codebase index uses basic vectors and lacks any true indexing capabilities for codebases

Context (who is affected and when)

every user who wants to vibe code especially on brownfield projects or greenfields that are expected to grow large

Desired behavior (conceptual, not technical)

roo will have unmatched understanding of users codebase

Constraints / preferences (optional)

No response

Request checklist

• I've searched existing Issues and Discussions for duplicates
• This describes a specific problem with clear context and impact

Roo Code Task Links (optional)

No response

Acceptance criteria (optional)

No response

Proposed approach (optional)

No response

Trade-offs / risks (optional)

No response