move seq_model from smt/seq/ to smt/; fix seq_state.h add_str_mem typo

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

src/smt/CMakeLists.txt

@@ -65,6 +65,7 @@ z3_add_component(smt
     theory_intblast.cpp
     theory_lra.cpp
     theory_nseq.cpp
+    seq_model.cpp
     theory_opt.cpp
     theory_pb.cpp
     theory_recfun.cpp

src/smt/seq/CMakeLists.txt

@@ -2,7 +2,6 @@ z3_add_component(smt_seq
   SOURCES
     seq_regex.cpp
     seq_state.cpp
-    seq_model.cpp
     seq_parikh.cpp
     seq_nielsen.cpp
   COMPONENT_DEPENDENCIES

src/smt/seq/seq_state.h

@@ -83,7 +83,7 @@ namespace smt {
             m_eq_sources.push_back({n1, n2});
         }
 
-        void add_str_mem(euf::snode* str, euf::snode* regex, sat:literal lit) {
+        void add_str_mem(euf::snode* str, euf::snode* regex, sat::literal lit) {
             seq::dep_tracker dep;
             m_str_mems.push_back(seq::str_mem(str, regex, nullptr, m_next_mem_id++, dep));
             m_mem_sources.push_back({lit});

src/smt/seq_model.cpp

@@ -16,9 +16,10 @@ Author:
     Nikolaj Bjorner (nbjorner) 2026-03-01
 
 --*/
-#include "smt/seq/seq_model.h"
+#include "smt/seq_model.h"
 #include "smt/seq/seq_regex.h"
 #include "smt/seq/seq_state.h"
+#include "smt/smt_context.h"
 #include "smt/smt_model_generator.h"
 #include "smt/proto_model/proto_model.h"
 #include "ast/ast_pp.h"

src/smt/theory_nseq.h

@@ -27,7 +27,7 @@ Author:
 #include "smt/seq/seq_nielsen.h"
 #include "smt/seq/seq_state.h"
 #include "smt/seq/seq_regex.h"
-#include "smt/seq/seq_model.h"
+#include "smt/seq_model.h"
 #include "smt/nseq_context_solver.h"
 
 namespace smt {