docs/refactor: add AI disclosure and clean up code style

lua/jasper/init.lua

@@ -4,7 +4,7 @@
 local M = {}
 
 local config = require("jasper.config")
-local timer  = require("jasper.timer")
+local timer = require("jasper.timer")
 
 --- Setup the plugin.
 ---
@@ -36,19 +36,14 @@ function M.setup(opts)
       end
 
       if not project_cfg.attivita_id then
-        vim.notify(
-          "[Jasper] .jasper_config.json found but 'attivita_id' is missing",
-          vim.log.levels.WARN
-        )
+        vim.notify("[Jasper] .jasper_config.json found but 'attivita_id' is missing", vim.log.levels.WARN)
         return
       end
 
       -- Merge: project file values < global setup() opts (global opts take priority)
       local effective_opts = {
         attivita_id = project_cfg.attivita_id,
-        inactivity_timeout = opts.inactivity_timeout
-          or project_cfg.inactivity_timeout
-          or 10,
+        inactivity_timeout = opts.inactivity_timeout or project_cfg.inactivity_timeout or 10,
       }
 
       timer.setup(effective_opts)