From 357dab6e1c6aac24bd68a26da8aa5b7a98e00033 Mon Sep 17 00:00:00 2001
From: "Paul B. Kim" <paulbkimdev@gmail.com>
Date: Fri, 6 Mar 2026 11:14:30 +0900
Subject: [PATCH] fix(plugins): initial plugin configuration fixes

---
 init.lua                           | 41 ++++++++++++-------------
 lua/custom/plugins/gitsigns.lua    | 11 +++++--
 lua/custom/plugins/persistence.lua | 48 ++++++++++++++++++++++++++++++
 lua/custom/plugins/supermaven.lua  |  3 +-
 lua/custom/wrapping.lua            | 33 +++++++++++++++-----
 5 files changed, 105 insertions(+), 31 deletions(-)
 create mode 100644 lua/custom/plugins/persistence.lua

diff --git a/init.lua b/init.lua
index d98e3d51..d74b4f56 100644
--- a/init.lua
+++ b/init.lua
@@ -179,6 +179,13 @@ vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')
 
 -- Diagnostic keymaps
 vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostic [Q]uickfix list' })
+vim.keymap.set('n', '[d', function()
+  vim.diagnostic.jump { count = -1, float = true }
+end, { desc = 'Go to previous [D]iagnostic' })
+vim.keymap.set('n', ']d', function()
+  vim.diagnostic.jump { count = 1, float = true }
+end, { desc = 'Go to next [D]iagnostic' })
+vim.keymap.set('n', '<leader>de', vim.diagnostic.open_float, { desc = 'Show [D]iagnostic [E]rror details' })
 
 -- Exit terminal mode in the builtin terminal with a shortcut that is a bit easier
 -- for people to discover. Otherwise, you normally need to press <C-\><C-n>, which
@@ -329,19 +336,6 @@ require('lazy').setup({
   -- options to `gitsigns.nvim`.
   --
   -- See `:help gitsigns` to understand what the configuration keys do
-  { -- Adds git related signs to the gutter, as well as utilities for managing changes
-    'lewis6991/gitsigns.nvim',
-    opts = {
-      signs = {
-        add = { text = '+' },
-        change = { text = '~' },
-        delete = { text = '_' },
-        topdelete = { text = '‾' },
-        changedelete = { text = '~' },
-      },
-    },
-  },
-
   -- NOTE: Plugins can also be configured to run Lua code when they are loaded.
   --
   -- This is often very useful to both group configuration, as well as handle
@@ -402,8 +396,14 @@ require('lazy').setup({
 
       -- Document existing key chains
       spec = {
+        { '<leader>a', group = 'Harpoon [A]dd' },
+        { '<leader>d', group = '[D]iagnostics' },
+        { '<leader>g', group = '[G]it' },
+        { '<leader>m', group = '[M]arkdown' },
+        { '<leader>o', group = '[O]pencode' },
         { '<leader>s', group = '[S]earch' },
         { '<leader>t', group = '[T]oggle' },
+        { '<leader>w', group = '[W]indow' },
         { '<leader>h', group = 'Git [H]unk', mode = { 'n', 'v' } },
       },
     },
@@ -701,14 +701,15 @@ require('lazy').setup({
         virtual_text = {
           source = 'if_many',
           spacing = 2,
+          severity = { min = vim.diagnostic.severity.WARN },
           format = function(diagnostic)
-            local diagnostic_message = {
-              [vim.diagnostic.severity.ERROR] = diagnostic.message,
-              [vim.diagnostic.severity.WARN] = diagnostic.message,
-              [vim.diagnostic.severity.INFO] = diagnostic.message,
-              [vim.diagnostic.severity.HINT] = diagnostic.message,
-            }
-            return diagnostic_message[diagnostic.severity]
+            if diagnostic.severity == vim.diagnostic.severity.WARN then
+              return 'W: ' .. diagnostic.message
+            end
+            if diagnostic.severity == vim.diagnostic.severity.ERROR then
+              return 'E: ' .. diagnostic.message
+            end
+            return nil
           end,
         },
       }
diff --git a/lua/custom/plugins/gitsigns.lua b/lua/custom/plugins/gitsigns.lua
index cbbd22d2..cf3d4893 100644
--- a/lua/custom/plugins/gitsigns.lua
+++ b/lua/custom/plugins/gitsigns.lua
@@ -6,6 +6,13 @@ return {
   {
     'lewis6991/gitsigns.nvim',
     opts = {
+      signs = {
+        add = { text = '+' },
+        change = { text = '~' },
+        delete = { text = '_' },
+        topdelete = { text = '‾' },
+        changedelete = { text = '~' },
+      },
       on_attach = function(bufnr)
         local gitsigns = require 'gitsigns'
 
@@ -44,7 +51,7 @@ return {
         map('n', '<leader>hs', gitsigns.stage_hunk, { desc = 'git [s]tage hunk' })
         map('n', '<leader>hr', gitsigns.reset_hunk, { desc = 'git [r]eset hunk' })
         map('n', '<leader>hS', gitsigns.stage_buffer, { desc = 'git [S]tage buffer' })
-        map('n', '<leader>hu', gitsigns.stage_hunk, { desc = 'git [u]ndo stage hunk' })
+        map('n', '<leader>hu', gitsigns.undo_stage_hunk, { desc = 'git [u]ndo stage hunk' })
         map('n', '<leader>hR', gitsigns.reset_buffer, { desc = 'git [R]eset buffer' })
         map('n', '<leader>hp', gitsigns.preview_hunk, { desc = 'git [p]review hunk' })
         map('n', '<leader>hb', gitsigns.blame_line, { desc = 'git [b]lame line' })
@@ -54,7 +61,7 @@ return {
         end, { desc = 'git [D]iff against last commit' })
         -- Toggles
         map('n', '<leader>tb', gitsigns.toggle_current_line_blame, { desc = '[T]oggle git show [b]lame line' })
-        map('n', '<leader>tD', gitsigns.preview_hunk_inline, { desc = '[T]oggle git show [D]eleted' })
+        map('n', '<leader>tD', gitsigns.toggle_deleted, { desc = '[T]oggle git show [D]eleted' })
       end,
     },
   },
diff --git a/lua/custom/plugins/persistence.lua b/lua/custom/plugins/persistence.lua
new file mode 100644
index 00000000..83fa606a
--- /dev/null
+++ b/lua/custom/plugins/persistence.lua
@@ -0,0 +1,48 @@
+return {
+  'folke/persistence.nvim',
+  event = 'BufReadPre',
+  opts = {
+    options = { 'buffers', 'curdir', 'tabpages', 'winsize', 'help', 'globals' },
+  },
+  keys = {
+    {
+      '<leader>wr',
+      function()
+        require('persistence').load()
+      end,
+      desc = '[W]orkspace [R]estore session',
+    },
+    {
+      '<leader>wl',
+      function()
+        require('persistence').load { last = true }
+      end,
+      desc = '[W]orkspace [L]ast session',
+    },
+    {
+      '<leader>wd',
+      function()
+        require('persistence').stop()
+      end,
+      desc = '[W]orkspace [D]isable session save',
+    },
+  },
+  init = function()
+    vim.api.nvim_create_autocmd('VimEnter', {
+      group = vim.api.nvim_create_augroup('persistence-auto-restore', { clear = true }),
+      callback = function()
+        if vim.fn.argc(-1) > 0 then
+          return
+        end
+
+        local ignored = { gitcommit = true, gitrebase = true }
+        if ignored[vim.bo.filetype] then
+          return
+        end
+
+        require('persistence').load()
+      end,
+      nested = true,
+    })
+  end,
+}
diff --git a/lua/custom/plugins/supermaven.lua b/lua/custom/plugins/supermaven.lua
index b16e65ad..29be0696 100644
--- a/lua/custom/plugins/supermaven.lua
+++ b/lua/custom/plugins/supermaven.lua
@@ -1,5 +1,6 @@
 return {
   'supermaven-inc/supermaven-nvim',
+  event = 'InsertEnter',
   config = function()
     require('supermaven-nvim').setup {
       keymaps = {
@@ -12,7 +13,7 @@ return {
         suggestion_color = '#ffffff',
         cterm = 244,
       },
-      log_level = 'info', -- set to "off" to disable logging completely
+      log_level = 'off',
       disable_inline_completion = false, -- disables inline completion for use with cmp
       disable_keymaps = false, -- disables built in keymaps for more manual control
       condition = function() return false end, -- condition to check for stopping supermaven, `true` means to stop supermaven when the condition is true.
diff --git a/lua/custom/wrapping.lua b/lua/custom/wrapping.lua
index 3732a8c0..e7720140 100644
--- a/lua/custom/wrapping.lua
+++ b/lua/custom/wrapping.lua
@@ -3,6 +3,8 @@ local M = {}
 local defaults = {
   width = 100,
   patterns = { '*.md', '*.markdown' },
+  max_lines = 5000,
+  max_bytes = 1024 * 1024,
 }
 
 local function apply_wrap_options(local_opts, width)
@@ -16,12 +18,28 @@ local function apply_wrap_options(local_opts, width)
   local_opts.formatoptions:remove 'l'
 end
 
-local function can_reflow(bufnr)
-  return vim.api.nvim_buf_is_valid(bufnr) and vim.bo[bufnr].modifiable and vim.bo[bufnr].buftype == ''
+local function can_reflow(bufnr, opts)
+  if not vim.api.nvim_buf_is_valid(bufnr) or not vim.bo[bufnr].modifiable or vim.bo[bufnr].buftype ~= '' then
+    return false
+  end
+
+  if opts.max_lines and vim.api.nvim_buf_line_count(bufnr) > opts.max_lines then
+    return false
+  end
+
+  local name = vim.api.nvim_buf_get_name(bufnr)
+  if name ~= '' and opts.max_bytes then
+    local stat = (vim.uv or vim.loop).fs_stat(name)
+    if stat and stat.size and stat.size > opts.max_bytes then
+      return false
+    end
+  end
+
+  return true
 end
 
-local function reflow_whole_buffer(bufnr, preserve_view)
-  if not can_reflow(bufnr) then
+local function reflow_whole_buffer(bufnr, preserve_view, opts)
+  if not can_reflow(bufnr, opts) then
     return
   end
 
@@ -37,12 +55,11 @@ end
 function M.setup(opts)
   opts = vim.tbl_deep_extend('force', defaults, opts or {})
 
-  apply_wrap_options(vim.opt, opts.width)
-
   local group = vim.api.nvim_create_augroup('custom_wrapping_rules', { clear = true })
 
   vim.api.nvim_create_autocmd('FileType', {
     group = group,
+    pattern = 'markdown',
     callback = function()
       -- Apply after ftplugins so local overrides don't drop wrap options.
       vim.schedule(function()
@@ -61,7 +78,7 @@ function M.setup(opts)
       end
       vim.b[args.buf].did_initial_wrap = true
       vim.schedule(function()
-        reflow_whole_buffer(args.buf, false)
+        reflow_whole_buffer(args.buf, false, opts)
       end)
     end,
   })
@@ -73,7 +90,7 @@ function M.setup(opts)
       if not vim.bo[args.buf].modified then
         return
       end
-      reflow_whole_buffer(args.buf, true)
+      reflow_whole_buffer(args.buf, true, opts)
     end,
   })
 end