=== TESTING 'LONG' TEMPLATES (10 runs) ===
01. Chars:  54 [✅ OK] -> [TEST_AUTH] Verification: For approval, key in 582104.
02. Chars:  55 [✅ OK] -> [TEST_AUTH] Hi. 582104 is your requested security code.
03. Chars:  73 [✅ OK] -> [TEST_AUTH] Notification! 582104 is the authentication pin you requested.
04. Chars:  57 [✅ OK] -> [TEST_AUTH] For access, submit 582104. Protect this code.
05. Chars:  96 [✅ OK] -> [TEST_AUTH] Access request > To proceed safely, use 582104. Not your request, block this device.
06. Chars:  97 [✅ OK] -> [TEST_AUTH] Access request - To validate session, provide 582104. If unexpected, delete this SMS.
07. Chars:  80 [✅ OK] -> [TEST_AUTH] Security update > For approval, submit 582104. Expires after 5 mins.
08. Chars:  96 [✅ OK] -> [TEST_AUTH] Status - For approval, key in 582104. If you didn't request this, block this device.
09. Chars:  95 [✅ OK] -> [TEST_AUTH] Security update. To authorize entry, enter 582104. If unexpected, ignore this text.
10. Chars: 133 [✅ OK] -> [TEST_AUTH] Account update. 582104 is the authentication pin you requested. Protect with anyone. If this wasn't you, delete this SMS.
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Min Length Observed: 54 chars
Max Length Observed: 133 chars

=== TESTING 'SHORT' TEMPLATES (5 runs) ===
01. Chars:  30 [✅ OK] -> [TEST_AUTH] 582104 (to log in)
02. Chars:  24 [✅ OK] -> [TEST_AUTH] Code: 582104
03. Chars:  28 [✅ OK] -> [TEST_AUTH] your OTP: 582104
04. Chars:  44 [✅ OK] -> [TEST_AUTH] 582104 is your one-time password
05. Chars:  43 [✅ OK] -> [TEST_AUTH] this verification token: 582104
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Min Length Observed: 24 chars
Max Length Observed: 44 chars