chore(types): minor emmylua type cleanup

Author: cameronr

lua/opencode/event_manager.lua

@@ -359,7 +359,7 @@ function EventManager:_cleanup_server_subscription()
       if self.server_subscription.shutdown then
         self.server_subscription:shutdown()
       elseif self.server_subscription.pid and type(self.server_subscription.pid) == 'number' then
-        vim.fn.jobstop(self.server_subscription.pid)
+        vim.fn.jobstop(self.server_subscription.pid --[[@as integer]])
       end
     end)
     self.server_subscription = nil

lua/opencode/opencode_server.lua

@@ -53,7 +53,7 @@ function OpencodeServer:shutdown()
 end
 
 --- @class OpencodeServerSpawnOpts
---- @field cwd string
+--- @field cwd? string
 --- @field on_ready fun(job: any, url: string)
 --- @field on_error fun(err: any)
 --- @field on_exit fun(exit_opts: vim.SystemCompleted )

lua/opencode/server_job.lua

@@ -134,7 +134,6 @@ function M.ensure_server()
   local promise = Promise.new()
   state.opencode_server = opencode_server.new()
 
-  ---@diagnostic disable-next-line: missing-fields
   state.opencode_server:spawn({
     on_ready = function(_, base_url)
       promise:resolve(state.opencode_server)

lua/opencode/state.lua

@@ -45,7 +45,7 @@ local config = require('opencode.config')
 -- Internal raw state table
 local _state = {
   -- ui
-  windows = nil, ---@type OpencodeWindowState
+  windows = nil, ---@type OpencodeWindowState|nil
   input_content = {},
   is_opencode_focused = false,
   last_focused_opencode_window = nil,
@@ -123,7 +123,7 @@ local function _notify(key, new_val, old_val)
       for _, cb in ipairs(_listeners[key]) do
         local ok, err = pcall(cb, key, new_val, old_val)
         if not ok then
-          vim.notify(err)
+          vim.notify(err --[[@as string]])
         end
       end
     end