docs(local-llm): add systematic dashboard bug & improvement review
DASHBOARD_REVIEW.md — comprehensive code review of all 6 dashboard files
(1,395 lines). Organized into 7 sections:
- 10 bugs (B1–B10): hardcoded header, blocking pull, escape during stream,
auto-refresh during streaming, no abort controller, vm_stat page size, etc.
- 5 code quality issues (CQ1–CQ5): monolithic component, inline styles,
duplicated constants, no error boundary, no loading skeleton
- 16 feature ideas (F1–F16): pull progress, chat mode, prompt history,
token/s metrics, model search, whisper test, extraction integration, etc.
- 5 performance items (P1–P5): request deduplication, cache TTL, du latency
- 3 security notes (S1–S3): input validation, shell injection pattern, CORS
- Priority matrix and 5-sprint implementation roadmap
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