add domrf extras parser (sale_graph + sales_agg + infra + photos) +
fix Docker build for playwright
- Regenerate uv.lock with playwright + tenacity (was missing → uv sync
--frozen skipped them, hence playwright not in /app/.venv/bin/).
- Dockerfile: explicit Chromium runtime libs in apt (libnss3 + 14 more)
+ `playwright install chromium` BEFORE apt-lists cleanup.
- Schema 51_schema_kn_extras.sql: 5 new tables for time-series sales,
current aggregates, POI infrastructure, photo metadata, failure log.
- Scraper: 4 new fetch helpers + upserts; photo binary download via
Playwright APIRequest; failure-logging with full_url to kn_scrape_failures.
- CLI: --no-extras / --download-photos / --no-flats / --probe URL.
- Admin UI: extras checkboxes + failures table with copy-URL button.
- PRINZIP smoke: 28 objs, 5409 POI, 5150 photos metadata, sales_agg
matches probe (Парк Победы 145/291 = 49%).
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