feat: P07小臂骨架顶板整条加高19mm补强+前后外缘R3圆角，gusset弧R28->R14随顶板联动相切融入；重算全关节行程J4反向-121->-111，同步重建模型数据与查看器

src/build_viewer.py

@@ -28,10 +28,10 @@ def rebuild_viewer():
     print("  - 读取几何网格与关节运动学数据...", end="", flush=True)
     data = io.open(WEB + "/mesh_arm.json", encoding="utf-8").read()
     sheets = io.open(WEB + "/sheets.jsdata", encoding="utf-8").read()
-    col = io.open(DOCS + "/collision.json", encoding="utf-8").read() if os.path.exists(
-        DOCS + "/collision.json") else "[]"
     trv = io.open(DOCS + "/travel.json", encoding="utf-8").read() if os.path.exists(
         DOCS + "/travel.json") else "[]"
+    screws = io.open(DOCS + "/screws.json", encoding="utf-8").read() if os.path.exists(
+        DOCS + "/screws.json") else "[]"
     tpl = io.open(SRC + "/viewer_tpl.html", encoding="utf-8").read()
     print(f" 完成 ({len(data)/1024:.0f} KB) ✓", flush=True)
 
@@ -39,8 +39,8 @@ def rebuild_viewer():
     out = (tpl.replace("/*__THREE__*/", three)
               .replace("/*__DATA__*/", data)
               .replace("/*__SHEETS__*/", sheets)
-              .replace("/*__COL__*/", col)
-              .replace("/*__TRAVEL__*/", trv))
+              .replace("/*__TRAVEL__*/", trv)
+              .replace("/*__SCREWS__*/", screws))
     assert "/*__" not in out, [l for l in out.split("\n") if "/*__" in l][:3]
     dst = WEB + "/机器人手臂3D查看器.html"
     io.open(dst, "w", encoding="utf-8").write(out)