feat(linker): TPV 支持 project.vpj 静态链接 .a/.obj

- Config.vp 新增 LinkerStaticLibs（读取 linker.static_libs 数组并基于 project_dir 解析绝对路径）

- BuildPipeline link_obj_to_exe/link_objs_to_exe/run_pipeline 支持 static_libs（位于 .obj 之后、-l 之前）

- main.vp/Phase2.RunMultiFileProject 全链传递 linker_static_libs

App/lib/Projectrans/Config.vp

@@ -33,6 +33,7 @@ CompilerFlags: str = None         # 编译器参数（空格分隔，从 compile
 LinkerCmd: str = None
 LinkerFlags: str = None           # 链接器参数（空格分隔，从 linker.flags 数组拼接）
 LinkerOutput: str = None
+LinkerStaticLibs: str = None      # 显式静态链接文件（空格分隔绝对路径，从 linker.static_libs 数组）
 TargetTriple: str = None
 TargetDataLayout: str = None
 ProjectDir: str = None             # project.vpj 所在目录（resolve_paths 设置）
@@ -57,7 +58,7 @@ def Load_project_config(path: str) -> int:
         0 表示成功，非 0 表示失败
     """
     global SourceDir, BuildDir, TempDir, OutputDir, ProjectName, ProjectVersion
-    global CompilerCmd, CompilerFlags, LinkerCmd, LinkerFlags, LinkerOutput
+    global CompilerCmd, CompilerFlags, LinkerCmd, LinkerFlags, LinkerOutput, LinkerStaticLibs
     global TargetTriple, TargetDataLayout, Sha1SliceLevel, StrictMode
     global IncludesDir, IncludesDirs
 
@@ -119,6 +120,10 @@ def Load_project_config(path: str) -> int:
         # 读取 linker.flags 数组，拼接成空格分隔的字符串
         ld_flags_val: JsonValue | t.CPtr = linker["flags"]
         LinkerFlags = _join_flags_array(ld_flags_val)
+        # 读取 linker.static_libs 数组：显式静态链接文件（.a/.obj），
+        # 先拼接原样字符串，resolve_paths 中再基于 project_dir 解析绝对路径
+        sl_val: JsonValue | t.CPtr = linker["static_libs"]
+        LinkerStaticLibs = _join_flags_array(sl_val)
 
     # 读取 target 子对象
     target: JsonValue | t.CPtr = root["target"]
@@ -392,7 +397,7 @@ def resolve_paths(project_dir: str) -> int:
         0 表示成功，非 0 表示失败
     """
     global SourceDir, BuildDir, TempDir, OutputDir, IncludesDir, IncludesDirs
-    global ProjectDir
+    global ProjectDir, LinkerStaticLibs
     if project_dir is None:
         return 1
     if _mbuddy is None:
@@ -451,6 +456,38 @@ def resolve_paths(project_dir: str) -> int:
             IncludesDirs = id_out
     if IncludesDir is not None:
         IncludesDir = _join_path(IncludesDir, project_dir)
+    # linker.static_libs 显式静态链接文件路径基于 project_dir 逐段解析为绝对路径
+    if LinkerStaticLibs is not None:
+        sl_total: t.CSizeT = string.strlen(LinkerStaticLibs)
+        sl_out: str = _mbuddy.alloc(sl_total * 3 + 64)
+        if sl_out is not None:
+            sl_out[0] = '\0'
+            sl_pos: t.CSizeT = 0
+            sl_i: t.CSizeT = 0
+            while sl_i < sl_total:
+                while sl_i < sl_total and LinkerStaticLibs[sl_i] == ' ':
+                    sl_i += 1
+                if sl_i >= sl_total:
+                    break
+                sl_start: t.CSizeT = sl_i
+                while sl_i < sl_total and LinkerStaticLibs[sl_i] != ' ':
+                    sl_i += 1
+                seg_len: t.CSizeT = sl_i - sl_start
+                if seg_len > 0:
+                    seg_buf: str = _mbuddy.alloc(seg_len + 1)
+                    if seg_buf is not None:
+                        string.strncpy(seg_buf, LinkerStaticLibs + sl_start, seg_len)
+                        seg_buf[seg_len] = '\0'
+                        joined: str = _join_path(seg_buf, project_dir)
+                        if joined is not None:
+                            jl: t.CSizeT = string.strlen(joined)
+                            if sl_pos > 0:
+                                sl_out[sl_pos] = ' '
+                                sl_pos += 1
+                            string.strcpy(sl_out + sl_pos, joined)
+                            sl_pos += jl
+            sl_out[sl_pos] = '\0'
+            LinkerStaticLibs = sl_out
     # linker.flags 中 `-T <脚本>` 的链接脚本路径同样基于 project_dir 解析，
     # 否则 subprocess 按进程 cwd（TransPyC/）找 linker.ld → ld.lld 报
     # "cannot find linker script linker.ld"