added default conection option in config

lua/dbee/config.lua

@@ -4,13 +4,14 @@ local config = {}
 
 -- Configuration object.
 ---@class Config
----@field sources Source[] list of connection sources
----@field extra_helpers table<string, table<string, string>>
----@field drawer drawer_config
----@field editor editor_config
----@field result result_config
----@field call_log call_log_config
----@field window_layout Layout
+---@field default_connection? string
+---@field sources? Source[] list of connection sources
+---@field extra_helpers? table<string, table<string, string>>
+---@field drawer? drawer_config
+---@field editor? editor_config
+---@field result? result_config
+---@field call_log? call_log_config
+---@field window_layout? Layout
 
 ---@class Candy
 ---@field icon string
@@ -41,6 +42,9 @@ local config = {}
 ---To see defaults, run :lua= require"dbee.config".default
 ---@type Config config
 config.default = {
+  -- you can specify an optional default connection id and it will be the active one
+  -- when dbee starts
+  default_connection = nil,
   -- loads connections from files and environment variables
   sources = {
     require("dbee.sources").EnvSource:new("DBEE_CONNECTIONS"),

lua/dbee/entry/init.lua

@@ -68,6 +68,11 @@ local function setup_handler()
   m.handler = Handler:new(m.config.sources)
   m.handler:add_helpers(m.config.extra_helpers)
 
+  -- activate default connection if present
+  if m.config.default_connection then
+    pcall(m.handler.set_current_connection, m.handler, m.config.default_connection)
+  end
+
   m.core_loaded = true
 end