feat(prompt_logger): Save prompts to disk and add buffer navigation via keymaps (#2075)

lua/avante/config.lua

@@ -431,6 +431,19 @@ M._defaults = {
     auto_approve_tool_permissions = false, -- Default: show permission prompts for all tools
     auto_check_diagnostics = true,
   },
+  prompt_logger = { -- logs prompts to disk (timestamped, for replay/debugging)
+    enabled = true, -- toggle logging entirely
+    log_dir = Utils.join_paths(vim.fn.stdpath("cache"), "avante_prompts"), -- directory where logs are saved
+    fortune_cookie_on_success = false, -- shows a random fortune after each logged prompt (requires `fortune` installed)
+    next_prompt = {
+      normal = "<C-n>", -- load the next (newer) prompt log in normal mode
+      insert = "<C-n>",
+    },
+    prev_prompt = {
+      normal = "<C-p>", -- load the previous (older) prompt log in normal mode
+      insert = "<C-p>",
+    },
+  },
   history = {
     max_tokens = 4096,
     carried_entry_count = nil,