config(nvim): add AstroNvim config; font: VictorMono NF via packages

nvim added static from live home; vendored .git/tool-state dirs removed
and ignore-gated against re-add. ttf-victor-mono-nerd (arch) and
font-victor-mono-nerd-font cask (darwin) added to packages manifest.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

dot_config/nvim/lua/plugins/user.lua

@@ -0,0 +1,98 @@
+--- User plugins: cursor animation and snacks.nvim (picker + dashboard) customization
+
+-- Confirm action for file-opening pickers: <CR> opens the selection as a
+-- tab via `tabdrop` (:tab drop semantics — focus the buffer if it's already
+-- visible in any tab, don't spawn a tab from an empty buffer, else open a
+-- new tab). Explicit edit-cmd keybinds (<S-CR>/<c-v> vsplit, <c-s> split)
+-- carry `action.cmd` and are passed through untouched.
+local function tab_confirm(picker, item, action)
+  local actions = require "snacks.picker.actions"
+  if action.cmd then return actions.jump(picker, item, action) end
+  return actions.jump(picker, item, vim.tbl_extend("force", {}, action, { cmd = "tabdrop" }))
+end
+
+-- Tab-on-enter + vsplit-on-shift-enter for the file-opening pickers only;
+-- location pickers (lsp_*, lines, diagnostics, grep) and sources with their
+-- own confirm (git_branches, projects) keep their defaults.
+local picker_sources = {}
+for _, source in ipairs { "files", "git_files", "smart", "recent", "buffers" } do
+  picker_sources[source] = {
+    confirm = tab_confirm,
+    win = {
+      input = { keys = { ["<S-CR>"] = { "edit_vsplit", mode = { "n", "i" } } } },
+      list = { keys = { ["<S-CR>"] = "edit_vsplit" } },
+    },
+  }
+end
+
+-- Smart picker: anchor to the current git repository. `config` runs when
+-- the picker opens: cwd becomes the repo root (so the `files` finder scans
+-- the whole repo, not just a rooter-chdir'd subdir) and `filter.cwd` drops
+-- buffers/recent entries from other repos. Outside a repo, plain cwd
+-- behavior is kept.
+picker_sources.smart.config = function(opts)
+  local root = require("snacks").git.get_root()
+  if root then
+    opts.cwd = root
+    opts.filter = vim.tbl_extend("force", opts.filter or {}, { cwd = true })
+  end
+  return opts
+end
+
+---@type LazySpec
+return {
+  { "sphamba/smear-cursor.nvim", opts = {} },
+
+  -- terminals are handled by kitty now
+  { "akinsho/toggleterm.nvim", enabled = false },
+
+  {
+    "folke/snacks.nvim",
+    opts = {
+      picker = {
+        jump = { reuse_win = true },
+        sources = picker_sources,
+      },
+      dashboard = {
+        enabled = true,
+        preset = {
+          -- "prdlk.nvim" in ansi_regular block style
+          header = table.concat({
+            "██████  ██████  ██████  ██      ██   ██    ███    ██ ██    ██ ██ ███    ███",
+            "██   ██ ██   ██ ██   ██ ██      ██  ██     ████   ██ ██    ██ ██ ████  ████",
+            "██████  ██████  ██   ██ ██      █████      ██ ██  ██ ██    ██ ██ ██ ████ ██",
+            "██      ██   ██ ██   ██ ██      ██  ██     ██  ██ ██  ██  ██  ██ ██  ██  ██",
+            "██      ██   ██ ██████  ███████ ██   ██ ██ ██   ████   ████   ██ ██      ██",
+          }, "\n"),
+        },
+        sections = {
+          { section = "header" },
+          { section = "keys", gap = 1, padding = 1 },
+          {
+            icon = " ",
+            desc = "Browse Repo",
+            padding = 1,
+            key = "b",
+            action = function() Snacks.gitbrowse() end,
+          },
+          {
+            icon = " ",
+            desc = "Projects (ghq)",
+            padding = 1,
+            key = "p",
+            action = function()
+              local repos = vim.fn.systemlist "ghq list -p"
+              vim.ui.select(repos, { prompt = "Select repository" }, function(dir)
+                if not dir then return end
+                vim.cmd.cd(dir)
+                Snacks.picker.files()
+              end)
+            end,
+          },
+          { section = "startup" },
+        },
+      },
+    },
+  },
+
+}