refactor: normalize H_/FORCE_/forces_ filenames (phase C)

Rename 21 files, add module suffixes for force files, and
update header guards:

Correction abbreviation:
- H_correction_pw.cpp → h_corr_pw.cpp

Hamiltonian uppercase prefixes (H_* → h_*):
- H_Ewald_pw.{cpp,h} → h_ewald_pw.{cpp,h}
- H_Hartree_pw.{cpp,h} → h_hartree_pw.{cpp,h}
- H_TDDFT_pw.{cpp,h} → h_tddft_pw.{cpp,h}

LCAO force files (FORCE_* → force_lcao_*, FORCE_STRESS → force_stress_lcao):
- FORCE.h → force_lcao.h
- FORCE_gamma.cpp → force_lcao_gamma.cpp
- FORCE_k.cpp → force_lcao_k.cpp
- FORCE_STRESS.{cpp,h} → force_stress_lcao.{cpp,h}

PW force files (forces_* → force_pw_*, distinguish from LCAO):
- forces.{cpp,h} → force_pw.{cpp,h}
- forces_nl.cpp → force_pw_nl.cpp
- forces_onsite.cpp → force_pw_onsite.cpp
- forces_scc.cpp → force_pw_scc.cpp
- forces_us.cpp → force_pw_us.cpp
- forces_cc.cpp → force_pw_cc.cpp

Test files:
- opt_CG_test.cpp → opt_cg_test.cpp
- opt_TN_test.cpp → opt_tn_test.cpp

Header guards updated: HHARTREEPW_H → H_HARTREE_PW_H,
FORCES_H → FORCE_PW_H. Update all #include references,
CMakeLists.txt, and Makefile.Objects. Class/variable names preserved.

Author: abacus_fixer

source/Makefile.Objects

@@ -248,8 +248,8 @@ OBJS_ELECSTAT=elecstate.o\
     potential_types.o\
     pot_sep.o\
     pot_local.o\
-    H_Hartree_pw.o\
-    H_TDDFT_pw.o\
+    h_hartree_pw.o\
+    h_tddft_pw.o\
     pot_xc.o\
     read_orb.o\
     setup_estate_pw.o\
@@ -497,7 +497,7 @@ OBJS_RELAXATION=relax_data.o\
 
 
 OBJS_SURCHEM=surchem.o\
-    H_correction_pw.o\
+    h_corr_pw.o\
     cal_epsilon.o\
     cal_pseudo.o\
     cal_totn.o\
@@ -657,9 +657,9 @@ OBJS_LCAO=evolve_elec.o\
       solve_propagation.o\
       boundary_fix.o\
       upsi.o\
-      FORCE_STRESS.o\
-      FORCE_gamma.o\
-      FORCE_k.o\
+      force_stress_lcao.o\
+      force_lcao_gamma.o\
+      force_lcao_k.o\
       stress_tools.o\
       edm.o\
       pulay_fs_center2.o\
@@ -714,7 +714,7 @@ OBJS_PARALLEL=parallel_common.o\
     parallel_reduce.o\
     parallel_device.o
 
-OBJS_SRCPW=H_Ewald_pw.o\
+OBJS_SRCPW=h_ewald_pw.o\
     dnrm2.o\
     vl_pw.o\
     vnl_pw.o\
@@ -737,12 +737,12 @@ OBJS_SRCPW=H_Ewald_pw.o\
     update_cell_pw.o\
     setup_dftu_pw.o\
     deltaspin_pw.o\
-    forces.o\
-    forces_us.o\
-    forces_nl.o\
-    forces_cc.o\
-    forces_scc.o\
-    forces_onsite.o\
+    force_pw.o\
+    force_pw_us.o\
+    force_pw_nl.o\
+    force_pw_cc.o\
+    force_pw_scc.o\
+    force_pw_onsite.o\
     onsite_proj_pw.o\
     fs_nonlocal_tools.o\
     fs_kin_tools.o\

source/source_base/test/CMakeLists.txt

@@ -145,13 +145,13 @@ AddTest(
 AddTest(
   TARGET MODULE_BASE_opt_CG
   LIBS parameter  base device
-  SOURCES opt_CG_test.cpp opt_test_tools.cpp
+  SOURCES opt_cg_test.cpp opt_test_tools.cpp
 )
 
 AddTest(
   TARGET MODULE_BASE_opt_TN
   LIBS parameter  base device
-  SOURCES opt_TN_test.cpp opt_test_tools.cpp
+  SOURCES opt_tn_test.cpp opt_test_tools.cpp
 )
 
 AddTest(

source/source_base/test/opt_CG_test.cpp source/source_base/test/opt_cg_test.cppsource/source_base/test/opt_CG_test.cpp renamed to source/source_base/test/opt_cg_test.cpp

@@ -1,13 +1,13 @@
 #include "esolver_double_xc.h"
 
-#include "source_hamilt/module_ewald/H_Ewald_pw.h"
+#include "source_hamilt/module_ewald/h_ewald_pw.h"
 #include "source_hamilt/module_xc/xc_functional.h"
 #ifdef __MLALGO
 #include "source_lcao/module_deepks/lcao_deepks.h"
 #include "source_lcao/module_deepks/lcao_deepks_iface.h"
 #include "source_lcao/module_deepks/lcao_deepks_io.h"
 #endif
-#include "source_lcao/FORCE_STRESS.h"
+#include "source_lcao/force_stress_lcao.h"
 
 //-----HSolver ElecState Hamilt--------
 #include "source_estate/elecstate_lcao.h"

source/source_base/test/opt_TN_test.cpp source/source_base/test/opt_tn_test.cppsource/source_base/test/opt_TN_test.cpp renamed to source/source_base/test/opt_tn_test.cpp

@@ -4,7 +4,7 @@
 #include "source_estate/module_charge/symmetry_rho.h"
 #include "source_cell/read_pseudo.h"
 #include "source_estate/param_update.h"
-#include "source_hamilt/module_ewald/H_Ewald_pw.h"
+#include "source_hamilt/module_ewald/h_ewald_pw.h"
 #include "source_hamilt/module_vdw/vdw.h"
 #include "source_io/module_output/output_log.h"
 #include "source_io/module_output/print_info.h"

source/source_esolver/esolver_double_xc.cpp

@@ -8,7 +8,7 @@
 #include "source_hamilt/hs_matrix_k.h"
 #include "source_estate/module_charge/symmetry_rho.h"
 #include "source_lcao/lcao_domain.h" // need DeePKS_init
-#include "source_lcao/FORCE_STRESS.h"
+#include "source_lcao/force_stress_lcao.h"
 #include "source_hamilt/module_gint/gint.h"
 #include "source_estate/elecstate_lcao.h"
 #include "source_lcao/hamilt_lcao.h"

source/source_esolver/esolver_fp.cpp

@@ -16,7 +16,7 @@
 #include "source_estate/module_charge/symmetry_rho.h"
 #include "source_estate/module_dm/cal_dm_psi.h"
 #include "source_estate/module_dm/cal_edm_tddft.h"
-#include "source_estate/module_pot/H_TDDFT_pw.h"
+#include "source_estate/module_pot/h_tddft_pw.h"
 #include "source_estate/module_pot/potential_new.h"
 #include "source_estate/module_pot/td_field_manager.h"
 #include "source_hsolver/hsolver_lcao.h"

source/source_esolver/esolver_ks_lcao.cpp

@@ -6,9 +6,9 @@
 //--------------temporary----------------------------
 #include "source_estate/module_charge/symmetry_rho.h"
 #include "source_estate/occupy.h"
-#include "source_hamilt/module_ewald/H_Ewald_pw.h"
+#include "source_hamilt/module_ewald/h_ewald_pw.h"
 //-----force-------------------
-#include "source_pw/module_pwdft/forces.h"
+#include "source_pw/module_pwdft/force_pw.h"
 //-----stress------------------
 #include "source_pw/module_pwdft/stress_pw.h"
 //---------------------------------------------------

source/source_esolver/esolver_ks_lcao_tddft.cpp

@@ -6,7 +6,7 @@
 #include "source_hsolver/diago_params.h"
 #include "source_hsolver/hsolver_pw.h"
 #include "source_io/module_parameter/parameter.h"
-#include "source_pw/module_pwdft/forces.h"
+#include "source_pw/module_pwdft/force_pw.h"
 #include "source_pw/module_pwdft/hamilt_pw.h"
 #include "source_pw/module_pwdft/stress_pw.h"