bug: Small bug in Lsp function

[tianqiii]

Did you check docs and existing issues?

• I have read the plugin docs
• I have read the opencode docs
• I have searched the existing plugin issues
• I have searched the existing opencode issues

:checkhealth opencode output

opencode: 1 ❌ opencode.nvim ~ - OS: Linux 6.17.0-14-generic (x86_64) - nvim version: 0.11.6+ge8b87a554f. - opencode.nvim git commit hash: c5043f810714ca44ca29d3d0d7cfe841447d09cf. - vim.g.opencode_opts: { lsp = { enabled = true } } opencode.nvim [binaries] ~ - ✅ OK opencode available with version 1.2.15. - ✅ OK curl available. - ❌ ERROR Failed to run healthcheck for "opencode" plugin. Exception: ...al/share/nvim/lazy/opencode.nvim/lua/opencode/health.lua:86: attempt to index field 'server' (a nil value)

Describe the bug

Lsp client will plus one more as long as I use :LspRestart or :LspStop then :LspStart. Doesn't affect use but kind of weird

vim.lsp: 7 ⚠️

• LSP log level : WARN
• Log path: /home/bao-nini/.local/state/nvim/lsp.log
• ⚠️ WARNING Log size: 109586 KB

vim.lsp: Active Clients ~

• opencode (id: 1)
  • Version: ? (no serverInfo.version response)
  • Root directory: nil
  • Command: <function @/home/bao-nini/.local/share/nvim/lazy/opencode.nvim/lsp/opencode.lua:233>
  • Settings: {}
  • Attached buffers: 1
• opencode (id: 3)
  • Version: ? (no serverInfo.version response)
  • Root directory: nil
  • Command: <function @/home/bao-nini/.local/share/nvim/lazy/opencode.nvim/lsp/opencode.lua:233>
  • Settings: {}
  • Attached buffers: 1
• opencode (id: 5)
  • Version: ? (no serverInfo.version response)
  • Root directory: nil
  • Command: <function @/home/bao-nini/.local/share/nvim/lazy/opencode.nvim/lsp/opencode.lua:233>
  • Settings: {}
  • Attached buffers: 1
• opencode (id: 7)
  • Version: ? (no serverInfo.version response)
  • Root directory: nil
  • Command: <function @/home/bao-nini/.local/share/nvim/lazy/opencode.nvim/lsp/opencode.lua:233>
  • Settings: {}
  • Attached buffers: 1
• lua_ls (id: 9)

Steps To Reproduce

Use :LspRestart

Expected Behavior

the lsp function should be terminated then restart, Only 1 Lsp exist is expected