[cicnavi]

handleDebugMode() validated the ticket it had just issued against the service from a lowercase 'target' parameter, which no client sends: login() and the validation endpoints read 'TARGET'. With only TARGET given, debug mode therefore answered "Missing service parameter". It also passed the 'renew' query string straight to validate(), which takes a bool, so renew=true failed with a TypeError under strict types.

Read 'TARGET', convert 'renew' with FILTER_VALIDATE_BOOL, and test debug mode with service and with TARGET, each with and without renew.

Assisted-by: Claude Code (claude-opus-5-5, implementation & unit tests)
Assisted-by: Google Antigravity (gemini-3.8-flash-high, review)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.42%. Comparing base (618b649) to head (0359885).

Additional details and impacted files

@@             Coverage Diff              @@
##             master      #87      +/-   ##
============================================
+ Coverage     69.70%   71.42%   +1.72%     
  Complexity      394      394              
============================================
  Files            25       25              
  Lines          1274     1274              
============================================
+ Hits            888      910      +22     
+ Misses          386      364      -22     

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