Your debug log should look somewhat like the below. It does not, which means that your tool is not active. Read the ToolTips in Customizing. Quit manually checking the checkbox in Calibre>Preferences. After checking the checkbox in JS customizing, you must restart Calibre before continuing.
Code:
orig_option = prefs.get[option_key]: True
Tweak Library Name: CalibreJobSpyTest1
'read_file_metadata' global.py file prefs.set FROM: True TO: True
'read_file_metadata' global prefs[option_key] value changed FROM: True TO: True
author_sort_copy_method >>> default tweaks.py method is: invert
author_sort_copy_method changed FROM: invert TO: comma
self.original_global_auto_add_path: x:/auto_add_dir1
new os path to be watched by auto_adder: x:\auto_add_dir1
[Calibre Startup] The per-Library tweak for the Current Library for auto_add_path has been changed to: x:\auto_add_dir1
apply_save_to_directory_by_library: libname IS tweaked; new directory for: CalibreJobSpyTest1 is: x:/save_to_dir1
Prior value used for 'save to disk dialog' in dynamic.pickle was: x:\save_to_dir1
New Save-To Directory for Library: x:\save_to_dir1
--->>>default template is: {author_sort}/{title}/{title} - {authors}/{series}
--->>>apply_save_to_template_by_library: libname IS tweaked; new template for: CalibreJobSpyTest1 is: {author_sort}/{title}/{title} - {authors} - test1
--->>> job_spy_save_to_template was used to set this library's template to: {author_sort}/{title}/{title} - {authors} - test1
--->>>job_spy_save_cover_separately default value is: True
--->>>apply_save_cover_separately_by_library: libname IS tweaked; new value for: CalibreJobSpyTest1 is: True
--->>> job_spy_save_cover_separately was used to set this library's value to: True
--->>>job_spy_default_output_format_by_library: libname IS tweaked; new value for: CalibreJobSpyTest1 is: pdf
--->>> job spy tweak was used to set this library's default output format from: pdf to: pdf
Calibre, and hence Job Spy, was gracefully shut down last time? True