feat(oss-browser-link): 实现一键注册+自动定位补丁功能

1. 新增oss-browser自动定位包装层脚本与注册批处理
2. 优化粘贴行为：焦点在输入框时交给浏览器默认粘贴
3. 新增一批调试与构建辅助脚本
4. 更新oss-browser下载页说明与步骤

dev_test_scripts/debug/debug_verify_register_bat.js

@@ -0,0 +1,29 @@
+// 校验 register_ossbrowser_launch.bat：关键行 + base64 回环解码与源码一致
+const fs = require('fs')
+const path = require('path')
+const { execFileSync } = require('child_process')
+
+const ROOT = path.join(__dirname, '..', '..')
+const BAT = path.join(ROOT, 'public', 'tools', 'oss_browser_link', 'assets', 'register_ossbrowser_launch.bat')
+const SRC = path.join(ROOT, 'public', 'tools', 'oss_browser_link', 'assets', 'ossbrowser_wrapper_main.js')
+
+const s = fs.readFileSync(BAT, 'utf8')
+if (s.includes('\r\n') === false) { console.log('[FAIL] bat 不是 CRLF'); process.exit(1) }
+const lines = s.split(/\r\n/)
+console.log('total lines:', lines.length)
+console.log('reg cmd line ok:', !!lines.find(l => l.includes('shell\\open\\command') && l.includes('\\"%EXE%\\"')))
+console.log('mkdir line ok:', !!lines.find(l => l.includes('mkdir "%~dp0resources\\app"')))
+console.log('txt region line ok:', !!lines.find(l => l.includes('echo oss-cn-shanghai>>')))
+
+const marker = '>> "%~dp0_wrapper.b64"'
+const b64 = lines.filter(l => l.startsWith('echo ') && l.endsWith(marker)).map(l => l.slice(5, l.length - marker.length)).join('')
+console.log('b64 len:', b64.length)
+const b64File = path.join(ROOT, 'temp', 'w2.b64')
+const outFile = path.join(ROOT, 'temp', 'w2.js')
+fs.writeFileSync(b64File, b64)
+try { fs.unlinkSync(outFile) } catch {}
+execFileSync('certutil', ['-decode', b64File, outFile], { stdio: 'pipe' })
+const a = fs.readFileSync(SRC)
+const b = fs.readFileSync(outFile)
+console.log('roundtrip identical:', a.equals(b))
+if (!a.equals(b)) process.exit(1)