feat(nixvim): modernize startup dashboard

README.md

@@ -72,7 +72,7 @@ home-manager.users.<user>.home.packages = [
 
 - `bufferline.nix`: Configures the Bufferline plugin for enhanced buffer/tab display.
 - `lualine.nix`: Configures Lualine with Git, Jujutsu, and configured-forge context.
-- `startup.nix`: Configures the startup screen.
+- `dashboard.nix`: Configures a project-aware Snacks dashboard for review, task, and navigation workflows.
 
 ### LSP
 

config/auto_cmds.nix

@@ -1,7 +1,6 @@
 {
   autoGroups = {
     highlight_yank = { };
-    vim_enter = { };
     indentscope = { };
     restore_cursor = { };
   };
@@ -19,25 +18,12 @@
         '';
       };
     }
-    {
-      group = "vim_enter";
-      event = [ "VimEnter" ];
-      pattern = "*";
-      callback = {
-        __raw = ''
-          function()
-            vim.cmd('Startup')
-          end
-        '';
-      };
-    }
     {
       group = "indentscope";
       event = [ "FileType" ];
       pattern = [
         "help"
-        "Startup"
-        "startup"
+        "snacks_dashboard"
         "neo-tree"
         "Trouble"
         "trouble"

config/default.nix

@@ -30,7 +30,7 @@ _: {
     # UI plugins
     ./plugins/ui/bufferline.nix
     ./plugins/ui/lualine.nix
-    ./plugins/ui/startup.nix
+    ./plugins/ui/dashboard.nix
 
     # LSP and formatting
     ./plugins/lsp/lsp.nix

config/plugins/editor/illuminate.nix

@@ -9,6 +9,7 @@
         "alpha"
         "harpoon"
         "reason"
+        "snacks_dashboard"
       ];
     };
   };

config/plugins/editor/indent-blankline.nix

@@ -2,6 +2,7 @@
   plugins = {
     indent-blankline = {
       enable = true;
+      settings.exclude.filetypes = [ "snacks_dashboard" ];
     };
   };
 }

config/plugins/git/codediff.nix

@@ -16,8 +16,7 @@ let
         return result.code == 0
       end
 
-      local function review_base()
-        local root = git_root()
+      local function review_base(root)
         local result = vim.system(
           { "git", "symbolic-ref", "--quiet", "--short", "refs/remotes/origin/HEAD" },
           { cwd = root, text = true }
@@ -40,22 +39,40 @@ let
       end
 
       local function with_review_base(callback)
-        local base = review_base()
+        local root = git_root()
+        local base = review_base(root)
         if not base then
           vim.notify("Could not determine the default review branch", vim.log.levels.ERROR)
           return
         end
-        callback(base)
+        callback(base, root)
       end
 
       vim.api.nvim_create_user_command("CodeReviewBranch", function()
         with_review_base(function(base)
-          vim.cmd("CodeDiff " .. vim.fn.fnameescape(base .. "...HEAD"))
+          vim.cmd("CodeDiff " .. vim.fn.fnameescape(base .. "..."))
         end)
-      end, { desc = "Review branch changes against its merge base" })
+      end, { desc = "Review branch and working-tree changes against their merge base" })
 
       vim.api.nvim_create_user_command("CodeReviewHistory", function()
-        with_review_base(function(base)
+        with_review_base(function(base, root)
+          local result = vim.system(
+            { "git", "rev-list", "--count", base .. "..HEAD" },
+            { cwd = root, text = true }
+          ):wait()
+          local count = result.code == 0 and tonumber(vim.trim(result.stdout or "")) or nil
+
+          if count == 0 then
+            vim.notify(
+              "No branch commits yet; uncommitted changes are available under Review branch (D)",
+              vim.log.levels.INFO
+            )
+            return
+          elseif count == nil then
+            vim.notify("Could not determine branch history", vim.log.levels.ERROR)
+            return
+          end
+
           vim.cmd("CodeDiff history " .. vim.fn.fnameescape(base .. "..HEAD") .. " --reverse")
         end)
       end, { desc = "Review branch commits in chronological order" })

config/plugins/ui/dashboard.nix

@@ -0,0 +1,126 @@
+{ lib, ... }:
+{
+  extraFiles."lua/workspace_dashboard.lua".source = ./workspace_dashboard.lua;
+
+  plugins.snacks = {
+    enable = true;
+    settings.dashboard = {
+      enabled = true;
+      width = 94;
+      preset.header = ''
+        ██████╗░███████╗░█████╗░░█████╗░██████╗░████████╗░░░████████╗███████╗░█████╗░██╗░░██╗
+        ██╔══██╗██╔════╝██╔══██╗██╔══██╗██╔══██╗╚══██╔══╝░░░╚══██╔══╝██╔════╝██╔══██╗██║░░██║
+        ██║░░██║█████╗░░██║░░╚═╝██║░░██║██████╔╝░░░██║░░░░░░░░░██║░░░█████╗░░██║░░╚═╝███████║
+        ██║░░██║██╔══╝░░██║░░██╗██║░░██║██╔══██╗░░░██║░░░░░░░░░██║░░░██╔══╝░░██║░░██╗██╔══██║
+        ██████╔╝███████╗╚█████╔╝╚█████╔╝██║░░██║░░░██║░░░██╗░░░██║░░░███████╗╚█████╔╝██║░░██║
+        ╚═════╝░╚══════╝░╚════╝░░╚════╝░╚═╝░░╚═╝░░░╚═╝░░░╚═╝░░░╚═╝░░░╚══════╝░╚════╝░╚═╝░░╚═╝
+      '';
+      sections = lib.nixvim.mkRaw ''
+        (function()
+          local row = require("workspace_dashboard").row
+
+          local function heading(title)
+            return {
+              align = "center",
+              padding = 1,
+              text = { { title, hl = "title" } },
+            }
+          end
+
+          return {
+            { section = "header" },
+            function()
+              return require("workspace_dashboard").summary()
+            end,
+
+            heading("Review & Run"),
+            row("󰕚", "d", "Review working tree", ":CodeDiff"),
+            row("󰜘", "D", "Review branch", ":CodeReviewBranch"),
+            row("󰄉", "h", "Review branch history", ":CodeReviewHistory"),
+            row("󰑮", "t", "Run project task", ":OverseerRun"),
+
+            heading("Navigate"),
+            row("", "f", "Find file", ":Telescope find_files"),
+            row("", "/", "Find text", ":Telescope live_grep"),
+            row("", "e", "File explorer", ":Neotree toggle"),
+            row("󰧑", "b", "SecondBrain", function()
+              require("telescope.builtin").find_files({
+                cwd = vim.fn.expand("~/projects/personal/SecondBrain"),
+              })
+            end),
+
+            heading("Continue"),
+            function()
+              return require("workspace_dashboard").recent_files()
+            end,
+
+            (function()
+              local quit = row("", "q", "Quit", ":qa")
+              quit.padding = { 0, 1 }
+              return quit
+            end)(),
+          }
+        end)()
+      '';
+    };
+  };
+
+  extraConfigLua = lib.mkAfter ''
+    local dashboard_group = vim.api.nvim_create_augroup("dashboard_chrome", { clear = true })
+    local previous_laststatus
+
+    local function hide_dashboard_statusline()
+      if vim.bo.filetype ~= "snacks_dashboard" then
+        return
+      end
+
+      if previous_laststatus == nil then
+        previous_laststatus = vim.o.laststatus
+      end
+      vim.o.laststatus = 0
+      vim.wo.statusline = ""
+      vim.b.miniindentscope_disable = true
+    end
+
+    local function restore_statusline()
+      if previous_laststatus == nil then
+        return
+      end
+
+      vim.o.laststatus = previous_laststatus
+      previous_laststatus = nil
+    end
+
+    vim.api.nvim_create_autocmd({ "FileType", "BufEnter", "WinEnter" }, {
+      group = dashboard_group,
+      pattern = "*",
+      callback = hide_dashboard_statusline,
+    })
+
+    -- Snacks temporarily suppresses normal buffer events while creating the
+    -- dashboard, so its lifecycle event owns the initial chrome update.
+    vim.api.nvim_create_autocmd("User", {
+      group = dashboard_group,
+      pattern = { "SnacksDashboardOpened", "SnacksDashboardUpdatePost" },
+      callback = hide_dashboard_statusline,
+    })
+
+    vim.api.nvim_create_autocmd("BufLeave", {
+      group = dashboard_group,
+      pattern = "*",
+      callback = function()
+        if vim.bo.filetype ~= "snacks_dashboard" then
+          return
+        end
+
+        restore_statusline()
+      end,
+    })
+
+    vim.api.nvim_create_autocmd("User", {
+      group = dashboard_group,
+      pattern = "SnacksDashboardClosed",
+      callback = restore_statusline,
+    })
+  '';
+}

config/plugins/ui/lualine.nix

@@ -11,13 +11,13 @@
           "fzf"
           "neo-tree"
         ];
-        disabledFiletypes = {
+        disabled_filetypes = {
           statusline = [
-            "startup"
             "alpha"
+            "snacks_dashboard"
           ];
         };
-        theme = "catppuccin";
+        theme = "catppuccin-nvim";
       };
       sections = {
         lualine_a = [