feat(plugins): add URL picker and today‑modified file finder, replace Supermaven with NeoCodeium

lua/plugins/neocodeium.lua

@@ -0,0 +1,42 @@
+-- AI ghost-text completion via NeoCodeium (Windsurf/Codeium). Replaces
+-- supermaven. Suggestions render as virtual text only; blink.cmp keeps its
+-- own menu (ghost_text stays disabled in AstroNvim's blink spec).
+--
+-- Disabled in python buffers and under the LeetCode work directory. Both are
+-- evaluated by neocodeium on InsertEnter, and `:NeoCodeium enable_buffer`
+-- still overrides them per buffer.
+local leetcode_dir = vim.fn.expand "~/Developer/github.com/prdlk/leetcode/work/"
+
+local function is_leetcode_buffer(bufnr)
+  local name = vim.api.nvim_buf_get_name(bufnr)
+  return name:sub(1, #leetcode_dir) == leetcode_dir
+end
+
+-- Insert-mode keys that act on a visible suggestion and otherwise keep their
+-- native meaning (<C-h> backspace, <C-w> delete word).
+local function when_visible(action, fallback)
+  return function()
+    local neocodeium = require "neocodeium"
+    if neocodeium.visible() then
+      neocodeium[action]()
+      return ""
+    end
+    return fallback
+  end
+end
+
+return {
+  "monkoose/neocodeium",
+  event = "VeryLazy",
+  cmd = "NeoCodeium",
+  opts = {
+    log_level = "warn",
+    filetypes = { python = false },
+    filter = function(bufnr) return not is_leetcode_buffer(bufnr) end,
+  },
+  keys = {
+    { "<C-l>", when_visible("accept", "<C-l>"), mode = "i", expr = true, desc = "Accept AI suggestion" },
+    { "<C-w>", when_visible("accept_word", "<C-w>"), mode = "i", expr = true, desc = "Accept AI suggestion word" },
+    { "<C-h>", when_visible("clear", "<C-h>"), mode = "i", expr = true, desc = "Clear AI suggestion" },
+  },
+}