Refresh data, move logs to project dir, update docs

- Weekly refresh: 388 owners, 10 sales, 11 listings (2026-04-16)
- Move cron logs from ~/ to logs/ in each project dir
- Add logs/ to .gitignore and .dockerignore
- Update CLAUDE.md with log location and ops notes
- Update TODO.md with log relocation completion

data-raw/refresh_all.R

@@ -32,4 +32,8 @@ source("./data-raw/update_owners.R")
 cat("\n--- update_sales.R ---\n")
 source("./data-raw/update_sales.R")
 
+# ── Update listings ───────────────────────────────────────────────────────────
+cat("\n--- update_listings.R ---\n")
+source("./data-raw/update_listings.R")
+
 cat("\n=== Refresh complete", format(Sys.time()), "===\n")