chore: emmylua diagnostic cleanup

Author: cameronr

lua/opencode/api.lua

@@ -210,6 +210,9 @@ function M.set_review_breakpoint()
 end
 
 function M.prev_history()
+  if not state.windows then
+    return
+  end
   local prev_prompt = history.prev()
   if prev_prompt then
     input_window.set_content(prev_prompt)
@@ -218,6 +221,9 @@ function M.prev_history()
 end
 
 function M.next_history()
+  if not state.windows then
+    return
+  end
   local next_prompt = history.next()
   if next_prompt then
     input_window.set_content(next_prompt)
@@ -428,7 +434,11 @@ function M.help()
     '|-----------|---------------------|',
   }, false)
 
-  local max_desc_length = (vim.api.nvim_win_get_width(state.windows.output_win) / 2) - 5
+  if not state.windows or not state.windows.output_win then
+    return
+  end
+
+  local max_desc_length = math.floor((vim.api.nvim_win_get_width(state.windows.output_win) / 2) - 5)
 
   for _, def in pairs(M.commands) do
     local desc = def.desc or ''

lua/opencode/session.lua

@@ -168,7 +168,7 @@ function M.get_messages(session)
 end
 
 ---Get snapshot IDs from a message's parts
----@param message OpencodeMessage
+---@param message OpencodeMessage?
 ---@return string[]|nil
 function M.get_message_snapshot_ids(message)
   if not message then

lua/opencode/types.lua

@@ -35,6 +35,9 @@
 ---@field snapshot string
 ---@field diff string
 
+---@class SessionShareInfo
+---@field url string
+
 ---@class Session
 ---@field workspace string
 ---@field description string
@@ -47,6 +50,7 @@
 ---@field snapshot_path string
 ---@field cache_path string
 ---@field revert? SessionRevertInfo
+---@field share? SessionShareInfo
 
 ---@class OpencodeKeymapEntry
 ---@field [1] string # Function name

lua/opencode/ui/ui.lua

@@ -7,7 +7,7 @@ local input_window = require('opencode.ui.input_window')
 local footer = require('opencode.ui.footer')
 local topbar = require('opencode.ui.topbar')
 
----@param windows OpencodeWindowState
+---@param windows OpencodeWindowState?
 function M.close_windows(windows)
   if not windows then
     return