Alire 2.x only accepts no/yes for the style_checks build-switch category;
"Max" failed manifest loading so 'alr build' aborted before compiling.
"Yes" enables GNAT style checks (warnings, non-fatal) -- the valid selector
closest to the intended Max. Local gprbuild bypassed alire.toml which is why
this only surfaced in CI (alr build).
- alire.toml rewritten to valid schema ([[depends-on]], real build-switch
values); restrictions moved to gnat.adc
- gnat.adc: project-wide Jorvik profile, No_Exceptions, No_Implicit_Dynamic_Code,
SPARK_Mode On
- mafiabot_core.gpr: source dirs, mains, global config pragmas
- Engine: drop the caller-side precondition race on Transition_State; guard moved
into the protected body with illegal transitions forcing Fault_Halt
- Empty stubs (economy/sockets/exploits): drop Elaborate_Body so they no longer
compile until implemented