Add AI inline completion via minuet + OpenCode Go

Configure minuet-ai.nvim with the OpenCode Go chat completions endpoint
(deepseek-v4-flash, thinking disabled) and wire it into blink.cmp as a
completion source with manual <A-y> trigger.

dot_config/nvim/lua/plugins/blink.lua

@@ -10,9 +10,28 @@ require("blink.cmp").setup({
   },
   completion = {
     documentation = { auto_show = false },
+    trigger = { prefetch_on_insert = false },
   },
   sources = {
-    default = { "lsp", "path", "snippets", "buffer" },
+    default = { "lsp", "path", "snippets", "minuet", "buffer" },
+    providers = {
+      minuet = {
+        name = "minuet",
+        module = "minuet.blink",
+        async = true,
+        timeout_ms = 3000,
+        score_offset = 50,
+      },
+    },
   },
   fuzzy = { implementation = "prefer_rust_with_warning" },
 })
+
+local function minuet_blink_map()
+  local ok, map = pcall(require("minuet").make_blink_map)
+  if ok then
+    return map()[1]
+  end
+end
+
+vim.keymap.set("i", "<A-y>", minuet_blink_map, { desc = "Minuet manual completion" })