chore(honme-manager): rework neovim cmp plugin configuration

modules/home-manager/cli/neovim/files/plugins/blink-cmp.lua

@@ -1,8 +1,14 @@
 require("blink.cmp").setup({
   keymap = {
-    preset = "cmdline",
+    preset = "none",
     ['<C-b>'] = { 'scroll_documentation_up', 'fallback' },
     ['<C-f>'] = { 'scroll_documentation_down', 'fallback' },
+    ['<Tab>'] = { 'select_next', 'fallback' },
+    ['<S-Tab>'] = { 'select_prev', 'fallback' },
+    ['<C-space>'] = { 'show', 'fallback' },
+    ['<C-y>'] = { 'select_and_accept' },
+    ['<C-e>'] = { 'cancel' },
+
   },
   completion = {
     menu = {
@@ -38,6 +44,16 @@ require("blink.cmp").setup({
       "dictionary",
     },
     providers = {
+      path = {
+        module = 'blink.cmp.sources.path',
+        score_offset = 3,
+        opts = {
+          trailing_slash = false,
+          label_trailing_slash = false,
+          get_cwd = function(context) return vim.fn.expand(('#%d:p:h'):format(context.bufnr)) end,
+          show_hidden_files_by_default = true,
+        }
+      },
       emoji = {
         module = "blink-emoji",
         name = "Emoji",
@@ -61,8 +77,26 @@ require("blink.cmp").setup({
           end,
         },
       },
+      buffer = {
+        module = 'blink.cmp.sources.buffer',
+        score_offset = -3,
+        min_keyword_length = 4,
+        opts = {
+          -- default to all visible buffers
+          get_bufnrs = function()
+            return vim
+              .iter(vim.api.nvim_list_wins())
+              :map(function(win) return vim.api.nvim_win_get_buf(win) end)
+              :filter(function(buf) return vim.bo[buf].buftype ~= 'nofile' end)
+              :totable()
+          end,
+        }
+      },
     },
   },
+  fuzzy = {
+    max_typos = function() return 0 end,
+  },
   cmdline = {
     enabled = false,
   },