feat(plugins): add omp.nvim plugin and toggle keybinding

lua/plugins/astrocore.lua

@@ -482,6 +482,7 @@ return {
           desc = "Search diagnostics (<C-t> sends to Trouble)",
         },
         ["<C-a><C-s>"] = { "<Cmd>SupermavenToggle<CR>", desc = "Toggle Supermaven" },
+        ["<C-a><C-a>"] = { function() require("config.omp_term").toggle() end, desc = "Toggle Oh My Pi" },
 
         -- <Leader>u toggles are mapped through Snacks.toggle in
         -- config.toggles (called from polish.lua) so which-key renders their

lua/plugins/omp.lua

@@ -0,0 +1,8 @@
+-- omp.nvim: streams the active file / cursor line / visual selection to a
+-- running Oh My Pi session over a unix socket. Needs the OMP-side extension
+-- (`omp plugin install omp.nvim`). Toggle bind: <C-a><C-a> in astrocore.lua.
+return {
+  "rauls-kjarners/omp.nvim",
+  event = "VeryLazy",
+  config = function() require("omp").setup() end,
+}