Code review fixes + 13 middot added to spec

Zerikah fail-safe: empty offerings rejected, not processed (BUILD_KORBAN §5).
Halt monitor hardened: trap_exit, priority max, EXIT handler (Architecture spec).
13 Rules of Rabbi Yishmael added to Architecture §3.4 as Prolog inference predicates —
the engine reasons WITH Torah's hermeneutic methods, not just about their products.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

sanhedrin/src/halt_monitor.erl

@@ -53,6 +53,10 @@ check_vote(Vote) ->
 %%====================================================================
 
 init([]) ->
+    %% Architecture spec: halt monitor cannot be killed, cannot be bypassed,
+    %% highest priority. The halt monitor is the kohen gadol of process safety.
+    process_flag(trap_exit, true),
+    process_flag(priority, max),
     {ok, #state{}}.
 
 handle_call({check_case, Case}, _From, State) ->
@@ -71,6 +75,11 @@ handle_call(_Request, _From, State) ->
 handle_cast(_Msg, State) ->
     {noreply, State}.
 
+handle_info({'EXIT', _Pid, _Reason}, State) ->
+    %% Trap exit signals — halt monitor survives linked process deaths.
+    %% Architecture spec: "Cannot be killed by other components."
+    {noreply, State};
+
 handle_info(_Info, State) ->
     {noreply, State}.