* common : add gemma4 dedicated parser * cont : add '<|tool_response>' as eog * cont : emit JSON from Gemma4 tool call AST * cont : more fixes * cont : refactor convert function * cont : refine rules and mapping * cont : add more tests * cont : clean up * cont : remove autoparser gemma4 implementation * cont : more cleanup * cont : rename gemma4.jinja to match the others * cont : add custom template to support interleaved thinking * cont : preserve reasoning in model turns * cont : fix initializer error * cont : fix unused vars * cont : fix accidental static * cont : fix specialized_template signature * fix extra semicolon * remove debug line and extra space [no ci]
