current good

lua/custom/plugins/trouble.lua

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+-- ============================================================
+-- TROUBLE.NVIM
+-- Better diagnostics / references / quickfix UI
+-- ============================================================
+
+vim.pack.add {
+  {
+    src = 'https://github.com/folke/trouble.nvim',
+  },
+}
+
+require('trouble').setup {
+  auto_close = false,
+  auto_open = false,
+  auto_preview = true,
+
+  focus = true,
+
+  modes = {
+    diagnostics = {
+      auto_open = false,
+    },
+  },
+
+  icons = {
+    indent = {
+      top = '│ ',
+      middle = '├╴',
+      last = '└╴',
+      fold_open = ' ',
+      fold_closed = ' ',
+      ws = '  ',
+    },
+  },
+}
+
+local trouble = require 'trouble'
+
+-- ============================================================
+-- KEYMAPS
+-- ============================================================
+
+-- General diagnostics
+vim.keymap.set('n', '<leader>xx', function() trouble.toggle 'diagnostics' end, { desc = 'Trouble: Diagnostics' })
+
+-- Workspace diagnostics
+vim.keymap.set('n', '<leader>xw', function() trouble.toggle 'workspace_diagnostics' end, { desc = 'Trouble: Workspace Diagnostics' })
+
+-- Current buffer diagnostics
+vim.keymap.set('n', '<leader>xd', function() trouble.toggle 'document_diagnostics' end, { desc = 'Trouble: Document Diagnostics' })
+
+-- Quickfix
+vim.keymap.set('n', '<leader>xq', function() trouble.toggle 'quickfix' end, { desc = 'Trouble: Quickfix' })
+
+-- Location list
+vim.keymap.set('n', '<leader>xl', function() trouble.toggle 'loclist' end, { desc = 'Trouble: Location List' })
+
+-- LSP references
+vim.keymap.set('n', 'gr', function() trouble.toggle 'lsp_references' end, { desc = 'Trouble: References' })
+
+-- Symbols
+vim.keymap.set('n', '<leader>xs', function() trouble.toggle 'symbols' end, { desc = 'Trouble: Symbols' })
+
+-- Toggle previous/next diagnostics
+vim.keymap.set('n', '[x', function() trouble.prev { skip_groups = true, jump = true } end, { desc = 'Previous Trouble Item' })
+
+vim.keymap.set('n', ']x', function() trouble.next { skip_groups = true, jump = true } end, { desc = 'Next Trouble Item' })