feat: show default session notes persistently

lua/tabi/config.lua

@@ -5,6 +5,7 @@ local M = {}
 ---@field storage? TabiStorageConfig
 ---@field ui? TabiUIConfig
 ---@field keymaps? TabiKeymapsConfig
+---@field show_default_notes? boolean
 
 ---@class TabiStorageConfig
 ---@field backend? 'local'|'global'
@@ -64,6 +65,7 @@ M.defaults = {
     retrace_end = "<Leader>tq",
     sessions = "<Leader>tl",
   },
+  show_default_notes = true, -- Always show default session notes in background
 }
 
 --- Current configuration

lua/tabi/init.lua

@@ -27,6 +27,18 @@ function M.setup(opts)
   -- Setup keymaps
   local keymaps = require("tabi.keymaps")
   keymaps.setup()
+
+  -- Setup default session display
+  if config.get().show_default_notes then
+    vim.api.nvim_create_autocmd("VimEnter", {
+      once = true,
+      callback = function()
+        vim.schedule(function()
+          M._setup_default_session_display()
+        end)
+      end,
+    })
+  end
 end
 
 --- Setup highlight groups
@@ -36,4 +48,43 @@ function M._setup_highlights()
   vim.api.nvim_set_hl(0, "TabiLineNr", { link = "DiagnosticInfo", default = true })
 end
 
+--- Setup background display for default session
+function M._setup_default_session_display()
+  local config = require("tabi.config")
+
+  -- Early return if feature is disabled
+  if not config.get().show_default_notes then
+    return
+  end
+
+  local session_module = require("tabi.session")
+  local display = require("tabi.ui.display")
+
+  -- Load default session
+  local default_session = session_module.load("default")
+  if not default_session or #default_session.notes == 0 then
+    return
+  end
+
+  -- Display default session notes
+  display.display_all_session_notes(default_session)
+
+  -- Setup autocmd to update display
+  local group = vim.api.nvim_create_augroup("TabiDefaultSession", { clear = true })
+  vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
+    group = group,
+    callback = function(args)
+      -- Only show when no named session or retrace is active
+      if not M.state.current_session and not require("tabi.retrace").is_active() then
+        display.update_for_session(args.buf, default_session)
+      end
+    end,
+  })
+end
+
+--- Clear default session display autocmds
+function M._clear_default_session_display()
+  pcall(vim.api.nvim_del_augroup_by_name, "TabiDefaultSession")
+end
+
 return M

lua/tabi/retrace.lua

@@ -43,6 +43,16 @@ function M.start(session)
     loclist_bufwin = nil,
   }
 
+  -- Clear default session display when entering retrace mode
+  local config = require("tabi.config")
+  if config.get().show_default_notes then
+    local session_module = require("tabi.session")
+    local default_session = session_module.load("default")
+    if default_session then
+      display.clear_all_session_notes(default_session)
+    end
+  end
+
   -- Display all session notes as virtual lines
   display.display_all_session_notes(session)
 
@@ -75,6 +85,15 @@ function M.stop()
   end
 
   state = nil
+
+  -- Restore default session display
+  local config = require("tabi.config")
+  if config.get().show_default_notes then
+    vim.schedule(function()
+      require("tabi")._setup_default_session_display()
+    end)
+  end
+
   vim.notify("Tabi: Retrace mode ended", vim.log.levels.INFO)
 end
 

plugin/tabi.lua

@@ -68,6 +68,15 @@ function commands.start_session(args)
   tabi.state.current_session = session.id
   display.setup_autocmds(session)
 
+  -- Clear default session display when starting named session
+  local config = require("tabi.config")
+  if config.get().show_default_notes then
+    local default_session = session_module.load("default")
+    if default_session then
+      display.clear_all_session_notes(default_session)
+    end
+  end
+
   vim.notify('Tabi: Session "' .. session.name .. '" started', vim.log.levels.INFO)
 end
 
@@ -92,6 +101,14 @@ function commands.end_session()
       display.clear_buffer(bufnr)
     end
   end
+
+  -- Restore default session display
+  local config = require("tabi.config")
+  if config.get().show_default_notes then
+    vim.schedule(function()
+      tabi._setup_default_session_display()
+    end)
+  end
 end
 
 --- Create or edit a note

test/tabi/config_spec.lua

@@ -123,5 +123,24 @@ describe("tabi.config", function()
       assert.is_nil(config.defaults.ui.telescope.theme)
       assert.is_table(config.defaults.ui.telescope.layout_config)
     end)
+
+    it("should have show_default_notes enabled by default", function()
+      assert.is_true(config.defaults.show_default_notes)
+    end)
+  end)
+
+  describe("show_default_notes", function()
+    it("should default to true", function()
+      local opts = config.get()
+      assert.is_true(opts.show_default_notes)
+    end)
+
+    it("should be configurable", function()
+      config.setup({
+        show_default_notes = false,
+      })
+      local opts = config.get()
+      assert.is_false(opts.show_default_notes)
+    end)
   end)
 end)