✨ feat(driver): 支持单驱动资产优先发布

- 发布流程：release/dev-build 同步输出单驱动 driver-agent 顶层资产
- 安装优化：复用现有直链优先逻辑，降低单驱动安装下载体积
- 兜底保留：继续生成 GoNavi-DriverAgents.zip 和索引文件
- 安全校验：新增驱动资产同名冲突检查，避免发布时静默覆盖

.github/workflows/dev-build.yml

@@ -572,6 +572,7 @@ jobs:
           python3 - <<'PY'
           import json
           import os
+          import shutil
           import zipfile
           from pathlib import Path
 
@@ -586,13 +587,21 @@ jobs:
               index_path.unlink()
 
           size_index = {}
+          standalone_assets = []
           with zipfile.ZipFile(out_path, "w", compression=zipfile.ZIP_DEFLATED) as zf:
-              for p in base.rglob("*"):
+              for p in sorted(base.rglob("*")):
                   if not p.is_file():
                       continue
                   arcname = p.relative_to(base).as_posix()
+                  if p.name in size_index:
+                      raise RuntimeError(f"driver asset name conflict: {p.name}")
                   zf.write(p, arcname)
                   size_index[p.name] = p.stat().st_size
+                  standalone_path = Path(p.name)
+                  if standalone_path.exists():
+                      raise RuntimeError(f"release asset already exists: {standalone_path}")
+                  shutil.copy2(p, standalone_path)
+                  standalone_assets.append(standalone_path.name)
 
           index_path.write_text(
               json.dumps({"assets": size_index}, ensure_ascii=False, indent=2),
@@ -601,6 +610,7 @@ jobs:
 
           print(f"created {out_name} size={out_path.stat().st_size} bytes")
           print(f"created {index_name} entries={len(size_index)}")
+          print(f"published standalone driver assets={len(standalone_assets)}")
           PY
 
           rm -rf drivers

.github/workflows/release.yml

@@ -613,6 +613,7 @@ jobs:
           python3 - <<'PY'
           import json
           import os
+          import shutil
           import zipfile
           from pathlib import Path
 
@@ -627,13 +628,21 @@ jobs:
               index_path.unlink()
 
           size_index = {}
+          standalone_assets = []
           with zipfile.ZipFile(out_path, "w", compression=zipfile.ZIP_DEFLATED) as zf:
-              for p in base.rglob("*"):
+              for p in sorted(base.rglob("*")):
                   if not p.is_file():
                       continue
                   arcname = p.relative_to(base).as_posix()
+                  if p.name in size_index:
+                      raise RuntimeError(f"driver asset name conflict: {p.name}")
                   zf.write(p, arcname)
                   size_index[p.name] = p.stat().st_size
+                  standalone_path = Path(p.name)
+                  if standalone_path.exists():
+                      raise RuntimeError(f"release asset already exists: {standalone_path}")
+                  shutil.copy2(p, standalone_path)
+                  standalone_assets.append(standalone_path.name)
 
           index_path.write_text(
               json.dumps({"assets": size_index}, ensure_ascii=False, indent=2),
@@ -642,9 +651,10 @@ jobs:
 
           print(f"created {out_name} size={out_path.stat().st_size} bytes")
           print(f"created {index_name} entries={len(size_index)}")
+          print(f"published standalone driver assets={len(standalone_assets)}")
           PY
 
-          # Release 只发布一个驱动总包，避免大量平铺资产污染 Release 页面
+          # Release 同时发布单驱动资产与总包：应用优先下载单驱动，失败后仍可用总包兜底。
           rm -rf drivers
 
       - name: Generate SHA256SUMS