Bump ramdisk to 10G; add ramdisk_stop.sh; fix info→log typo in common.sh

host1.conf: HOST1_RAMDISK_SIZE 8G→10G, WARN_GB 6.8→8.5, LOW_GB 5.5→7.
ramdisk_stop.sh: new Tools/ script — redirects symlink to SSD before unmount
  so Emby keeps writing during maintenance, auto-falls back to lazy umount
  when only directory handles are open (no active writes).
common.sh: fix `info` call at line 595 (undefined) → `log`.
Tools docs: added ramdisk_stop.sh to README table, categories, diagram, and Manual.

Tools/README-Tools.md

@@ -76,7 +76,7 @@ something new, write the tool. Store it here. Find it at 2am next time.
 `bulk_permissions_repair.sh`, `zfs_pool_scrub.sh`
 
 **Lifecycle Tools** — Backup, setup, and migration support  
-`container_data_export.sh`, `recreate_shares.sh`, `claude_startup.sh`
+`container_data_export.sh`, `recreate_shares.sh`, `claude_startup.sh`, `ramdisk_stop.sh`
 
 **Library Sync Bootstrap** — Close the gap between Emby and arr libraries  
 `emby_to_lidarr_sync.sh`, `emby_to_sonarr_sync.sh`, `emby_to_radarr_sync.sh`
@@ -125,6 +125,7 @@ The relationship is one-way: Tools act on state that other scripts have written.
 | `recreate_shares.sh` | Share directories missing after fresh install or disk rebuild | After fresh unRAID install or disk replacement on HOST2 |
 | `continuous_scripts_status.sh` | Need a live view of watchdog and fallback state | Any time — manual dashboard, no schedule |
 | `claude_startup.sh` | Claude Code session setup after reboot — symlinks persistent storage | After each unRAID reboot, or called by array_started.sh |
+| `ramdisk_stop.sh` | Safely stop the transcode ramdisk — redirect symlink to SSD, unmount, update state | Before re-running ramdisk_setup.sh with new size or thresholds |
 | `emby_to_lidarr_sync.sh` | Add all Emby album artists not yet tracked in Lidarr | After Lidarr setup, database wipe, or when you suspect gaps |
 | `emby_to_sonarr_sync.sh` | Add all Emby TV series not yet tracked in Sonarr | After Sonarr setup, database wipe, or when you suspect gaps |
 | `emby_to_radarr_sync.sh` | Add all Emby movies not yet tracked in Radarr | After Radarr setup, database wipe, or when you suspect gaps |
@@ -151,6 +152,7 @@ Situation arises
 │  recreate_shares             ◄── fresh HOST2 setup or disk rebuild    │
 │  continuous_scripts_status   ◄── manual status check at any time     │
 │  claude_startup              ◄── after each unRAID reboot             │
+│  ramdisk_stop                ◄── before ramdisk resize / remount      │
 │                                                                       │
 │  emby_to_lidarr_sync         ◄── Lidarr setup / database wipe / gap  │
 │  emby_to_sonarr_sync         ◄── Sonarr setup / database wipe / gap  │