diff --git a/lazy-lock.json b/lazy-lock.json
index 785b792..16bb1ae 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -1,12 +1,19 @@
 {
+  "LuaSnip": { "branch": "master", "commit": "dae4f5aaa3574bd0c2b9dd20fb9542a02c10471c" },
+  "alpha-nvim": { "branch": "main", "commit": "a9d8fb72213c8b461e791409e7feabb74eb6ce73" },
   "catppuccin": { "branch": "main", "commit": "12c004cde3f36cb1d57242f1e6aac46b09a0e5b4" },
+  "cmp-buffer": { "branch": "main", "commit": "b74fab3656eea9de20a9b8116afa3cfc4ec09657" },
+  "cmp-nvim-lsp": { "branch": "main", "commit": "cbc7b02bb99fae35cb42f514762b89b5126651ef" },
+  "cmp-path": { "branch": "main", "commit": "c642487086dbd9a93160e1679a1327be111cbc25" },
   "lazy.nvim": { "branch": "main", "commit": "306a05526ada86a7b30af95c5cc81ffba93fef97" },
   "lualine.nvim": { "branch": "master", "commit": "47f91c416daef12db467145e16bed5bbfe00add8" },
   "mason.nvim": { "branch": "main", "commit": "44d1e90e1f66e077268191e3ee9d2ac97cc18e65" },
+  "nvim-cmp": { "branch": "main", "commit": "da88697d7f45d16852c6b2769dc52387d1ddc45f" },
   "nvim-lspconfig": { "branch": "master", "commit": "2163c54bb6cfec53e3e555665ada945b8c8331b9" },
   "nvim-tree.lua": { "branch": "master", "commit": "4b30847c91d498446cb8440c03031359b045e050" },
   "nvim-treesitter": { "branch": "main", "commit": "5cb05e1b0fa3c469958a2b26f36b3fe930af221c" },
   "nvim-web-devicons": { "branch": "master", "commit": "737cf6c657898d0c697311d79d361288a1343d50" },
+  "persistence.nvim": { "branch": "main", "commit": "b20b2a7887bd39c1a356980b45e03250f3dce49c" },
   "plenary.nvim": { "branch": "master", "commit": "b9fd5226c2f76c951fc8ed5923d85e4de065e509" },
   "telescope.nvim": { "branch": "master", "commit": "d90956833d7c27e73c621a61f20b29fdb7122709" }
 }
diff --git a/lua/plugins/alpha.lua b/lua/plugins/alpha.lua
new file mode 100644
index 0000000..1190cd9
--- /dev/null
+++ b/lua/plugins/alpha.lua
@@ -0,0 +1,17 @@
+return {
+  'goolord/alpha-nvim',
+  dependencies = { 'nvim-tree/nvim-web-devicons' },
+  config = function ()
+    local dashboard = require'alpha.themes.startify'
+    -- Tu peux personnaliser le header ici avec un ASCII art de ton choix
+    dashboard.section.header.val = {
+        [[                               __                ]],
+        [[  ___     ___    ___   __  __ /\_\    ___ ___    ]],
+        [[ /' _ `\ /'__`\ / __`\/\ \/\ \\/\ \  /' __` __`\  ]],
+        [[ /\ \/\ \/\  __//\ \_\ \ \ \_/ |\ \ \ /\ \/\ \/\ \ ]],
+        [[ \ \_\ \_\ \____\ \____/\ \___/  \ \_\\ \_\ \_\ \_\]],
+        [[  \/_/\/_/\/____/\/___/  \/__/    \/_/ \/_/\/_/\/_/]],
+    }
+    require'alpha'.setup(dashboard.config)
+  end
+};
diff --git a/lua/plugins/completion.lua b/lua/plugins/completion.lua
new file mode 100644
index 0000000..0833a7a
--- /dev/null
+++ b/lua/plugins/completion.lua
@@ -0,0 +1,26 @@
+return {
+  "hrsh7th/nvim-cmp",
+  dependencies = {
+    "hrsh7th/cmp-nvim-lsp", -- Source LSP
+    "hrsh7th/cmp-buffer",   -- Source mots du buffer actuel
+    "hrsh7th/cmp-path",     -- Source chemins de fichiers
+    "L3MON4D3/LuaSnip",     -- Moteur de snippets
+  },
+  config = function()
+    local cmp = require("cmp")
+    cmp.setup({
+      mapping = cmp.mapping.preset.insert({
+        ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),
+        ['<C-Space>'] = cmp.mapping.complete(),
+        ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Entrée pour valider
+        ['<Tab>'] = cmp.mapping.select_next_item(),        -- Tab pour descendre
+      }),
+      sources = cmp.config.sources({
+        { name = 'nvim-lsp' },
+        { name = 'buffer' },
+        { name = 'path' },
+      })
+    })
+  end
+}
diff --git a/lua/plugins/persistence.lua b/lua/plugins/persistence.lua
new file mode 100644
index 0000000..b24789c
--- /dev/null
+++ b/lua/plugins/persistence.lua
@@ -0,0 +1,13 @@
+return {
+  "folke/persistence.nvim",
+  event = "BufReadPre", -- Charge le plugin au besoin
+  opts = { options = { "buffers", "curdir", "tabpages", "winsize" } },
+  keys = {
+    -- Charger la session du répertoire actuel
+    { "<leader>qs", function() require("persistence").load() end, desc = "Restore Session" },
+    -- Charger la dernière session (même si on est ailleurs)
+    { "<leader>ql", function() require("persistence").load({ last = true }) end, desc = "Restore Last Session" },
+    -- Ne pas sauvegarder la session actuelle
+    { "<leader>qd", function() require("persistence").stop() end, desc = "Don't Save Current Session" },
+  },
+}
diff --git a/lua/plugins/terminal.lua b/lua/plugins/terminal.lua
new file mode 100644
index 0000000..6f8256c
--- /dev/null
+++ b/lua/plugins/terminal.lua
@@ -0,0 +1,29 @@
+return {
+  'akinsho/toggleterm.nvim',
+  version = "*",
+  config = function()
+    require("toggleterm").setup({
+      size = 20,
+      open_mapping = [[<c-\>]], -- Ctrl + \ pour ouvrir/fermer
+      hide_numbers = true,
+      shade_terminals = true,
+      direction = 'float', -- 'vertical', 'horizontal' ou 'float'
+      float_opts = {
+        border = 'curved',
+        winblend = 3,
+      },
+    })
+
+    -- Raccourcis pratiques une fois DANS le terminal
+    function _G.set_terminal_keymaps()
+      local opts = {buffer = 0}
+      vim.keymap.set('t', '<esc>', [[<C-\><C-n>]], opts) -- Esc pour sortir du mode insertion terminal
+      vim.keymap.set('t', '<C-h>', [[<Cmd>wincmd h<CR>]], opts)
+      vim.keymap.set('t', '<C-j>', [[<Cmd>wincmd j<CR>]], opts)
+      vim.keymap.set('t', '<C-k>', [[<Cmd>wincmd k<CR>]], opts)
+      vim.keymap.set('t', '<C-l>', [[<Cmd>wincmd l<CR>]], opts)
+    end
+
+    vim.cmd('autocmd! TermOpen term://* lua set_terminal_keymaps()')
+  end
+}