feat(completion): add highlight to switches in context completion

Author: sudo-tee

lua/opencode/types.lua

@@ -299,6 +299,7 @@
 ---@field label string Display text for the completion item
 ---@field kind string Type of completion item (e.g., 'file', 'subagent')
 ---@field kind_icon string Icon representing the kind
+---@field kind_hl? string Highlight group for the kind
 ---@field detail string Additional detail text
 ---@field documentation string Documentation text
 ---@field insert_text string Text to insert when selected

lua/opencode/ui/completion/context.lua

@@ -25,6 +25,7 @@ local function create_context_item(name, type, available, documentation, icon, a
     label = label,
     kind = 'context',
     kind_icon = icon or (available and icons.get('status_on') or icons.get('status_off')),
+    kind_hl = not icon and available and 'OpencodeContextSwitchOn' or nil,
     detail = name,
     documentation = documentation or (available and name or 'Enable ' .. name .. ' for this message'),
     insert_text = '',

lua/opencode/ui/completion/engines/blink_cmp.lua

@@ -56,6 +56,7 @@ function Source:get_completions(ctx, callback)
         label = item.label,
         kind = item.kind,
         kind_icon = item.kind_icon,
+        kind_hl = item.kind_hl,
         detail = item.detail,
         documentation = item.documentation,
         insertText = item.insert_text or item.label,

lua/opencode/ui/completion/engines/nvim_cmp.lua

@@ -57,6 +57,7 @@ function M.setup(completion_sources)
           cmp = {
             kind_text = item.kind_icon,
           },
+          kind_hl_group = item.kind_hl,
           detail = item.detail,
           documentation = item.documentation,
           insertText = item.insert_text or '',

lua/opencode/ui/highlight.lua

@@ -31,6 +31,7 @@ function M.setup()
     vim.api.nvim_set_hl(0, 'OpencodeContextError', { link = '@label', default = true })
     vim.api.nvim_set_hl(0, 'OpencodeContextWarning', { link = 'DiagnosticWarn', default = true })
     vim.api.nvim_set_hl(0, 'OpencodeContextInfo', { link = 'DiagnosticInfo', default = true })
+    vim.api.nvim_set_hl(0, 'OpencodeContextSwitchOn', { link = '@label', default = true })
   else
     vim.api.nvim_set_hl(0, 'OpencodeBorder', { fg = '#616161', default = true })
     vim.api.nvim_set_hl(0, 'OpencodeBackground', { link = 'Normal', default = true })
@@ -58,7 +59,7 @@ function M.setup()
     vim.api.nvim_set_hl(0, 'OpencodeContextSelection', { link = '@label', default = true })
     vim.api.nvim_set_hl(0, 'OpencodeContextError', { link = 'DiagnosticError', default = true })
     vim.api.nvim_set_hl(0, 'OpencodeContextWarning', { link = 'DiagnosticWarn', default = true })
-    vim.api.nvim_set_hl(0, 'OpencodeContextInfo', { link = 'DiagnosticInfo', default = true })
+    vim.api.nvim_set_hl(0, 'OpencodeContextSwitchOn', { link = '@label', default = true })
   end
 end