Fix stale 3-minute transcode timing — corrected to 7 minutes

transcode_management.sh runs every 7 minutes. Six references across
README.md, README-Transcoding.md, Manual-Transcoding.md, transcode_manager.sh,
and transcode_cleanup.sh still said 3 minutes from before the schedule change.

README.md

@@ -573,7 +573,7 @@ Every minute:
     → system_watchdog.sh      system components: storage + WebGUI health
     → stability_watchdog.sh   last resort — reboots when all else fails
 
-Every 3 minutes:
+Every 7 minutes:
   transcode_management.sh     cleanup → manager (order non-negotiable)
 
 Every 15 minutes:
@@ -620,7 +620,7 @@ Throughout the day (every minute via watchdog_orchestrator.sh):
 
 Throughout the day:
   fallback.sh                 watching: remote server, internet connectivity
-  transcode_management.sh     managing: ramdisk ↔ SSD, session cleanup (every 3min)
+  transcode_management.sh     managing: ramdisk ↔ SSD, session cleanup (every 7min)
   critical_sync_maintenance.sh keeping: auth stack + Emby current (every 30min)
 
 1am:

Transcodes/Manual-Transcoding.md

@@ -216,7 +216,7 @@ ramdisk_setup.sh --log        # verbose — show each creation step
 
 ## transcode_manager.sh
 
-Monitors ramdisk usage and manages the symlink direction. Called second in every 3-minute
+Monitors ramdisk usage and manages the symlink direction. Called second in every 7-minute
 cycle by `transcode_management.sh`.
 
 ### Three Modes
@@ -325,7 +325,7 @@ transcode_manager.sh --no-log     # suppress daily log write
 ## transcode_cleanup.sh
 
 Removes stale transcode files from ramdisk and SSD fallback. Called first in every
-3-minute cycle — cleanup before usage measurement is non-negotiable.
+7-minute cycle — cleanup before usage measurement is non-negotiable.
 
 ### Deletion Rules
 

Transcodes/README-Transcoding.md

@@ -99,7 +99,7 @@ Three scripts, one goal: keep transcodes on RAM, fall back to SSD when needed.
 `ramdisk_setup.sh` runs at array start — creates the tmpfs, SSD fallback directory,
 symlink, and pre-creates `transcoding-temp`. Everything that must exist before Emby starts.
 
-`transcode_cleanup.sh` runs first in every 3-minute cycle — removes stale files from both
+`transcode_cleanup.sh` runs first in every 7-minute cycle — removes stale files from both
 ramdisk and SSD. Cleans up before usage is measured, so the manager sees real load.
 
 `transcode_manager.sh` runs second — measures ramdisk usage, flips the symlink if

Transcodes/transcode_cleanup.sh

@@ -49,7 +49,7 @@
 #
 # Wait Lock
 #   acquire_lock "wait" — waits if a previous cleanup run is still active rather
-#   than exiting. The caller's 3-minute interval can overlap on a slow system.
+#   than exiting. The caller's 7-minute interval can overlap on a slow system.
 #
 # lsof Timeout
 #   lsof call capped at 15 seconds per location — prevents blocking indefinitely

Transcodes/transcode_manager.sh

@@ -49,7 +49,7 @@
 # ==============================================================================================
 #
 # Wait Lock
-#   acquire_lock "wait" — waits if the previous run is still active. The 3-minute
+#   acquire_lock "wait" — waits if the previous run is still active. The 7-minute
 #   interval can overlap on a system under heavy load.
 #
 # Docker Timeout