Copy File Action Corrupts Data and Truncates Files
**Example:**
- Source: 910 bytes text file
- After Copy File: 9 bytes with garbage content `J¬ºK¿®+!`
**Working alternatives (same files):**
- Read File + Write File = perfect copy
- Shell `cat "source" > "dest"` = perfect copy
## Environment
- Tasker version: 6.5.9
- Android 15
- Device: Samsung S23 ultra