## Compaction Handoff
The conversation above this point has been compacted. Below is a structured summary of what was discussed and decided. Read this first — it replaces re-reading the compressed transcript.
### Active task
[What the user asked for and what is still in progress]
### Files touched
[Paths of files created, modified, or under investigation]
### Key decisions
[Architectural choices, design decisions, trade-offs made]
### Open blockers
[Unresolved questions, blocking dependencies, TODOs]
### Next step
[The single next action to take — one line, concrete]