Add virtual FileSystem for workspace file management

.just/devtools.just

@@ -2,6 +2,8 @@ set unstable := true
 
 justfile := justfile_directory() + "/.just/devtools.just"
 
+export DJLS_DEBUG := "1"
+
 [private]
 default:
     @just --list --justfile {{ justfile }}
@@ -22,6 +24,7 @@ fmt:
 
 [no-cd]
 debug:
+    echo $DJLS_DEBUG
     cargo run --bin djls-tmux --package djls-dev
 
 [no-cd]

.lazy.lua

@@ -1,5 +1,6 @@
 vim.lsp.config["djls"] = {
-  cmd = { "uvx", "lsp-devtools", "agent", "--", "djls", "serve" },
+  cmd = { "uvx", "lsp-devtools", "agent", "--", "target/debug/djls", "serve" },
+  cmd_env = { DJLS_DEBUG = "1" },
   filetypes = { "htmldjango" },
   root_markers = { "manage.py", "pyproject.toml" },
 }
@@ -12,4 +13,26 @@ vim.api.nvim_create_autocmd({ "BufRead", "BufNewFile" }, {
   end,
 })
 
+vim.api.nvim_create_user_command("DjlsDumpState", function()
+  local clients = vim.lsp.get_active_clients({ name = "djls" })
+  if #clients == 0 then
+    vim.notify("Django Language Server is not active", vim.log.levels.WARN)
+    return
+  end
+
+  -- Execute the custom LSP command
+  local client = clients[1]
+  client.request("workspace/executeCommand", {
+    command = "djls/dumpState",
+    arguments = {},
+  }, function(err, result)
+    if err then
+      vim.notify("Error dumping state: " .. vim.inspect(err), vim.log.levels.ERROR)
+    else
+      local message = result and result.message or "State dumped successfully"
+      vim.notify(message, vim.log.levels.INFO)
+    end
+  end)
+end, { desc = "Dump Django LS internal state for debugging (requires DJLS_DEBUG=1)" })
+
 return {}