adapters: python (with venv detection) and go (delve)

lua/tiny-debugger/adapters/python.lua

@@ -0,0 +1,52 @@
+local loader = require("tiny-debugger.adapters.init")
+
+local M = {}
+
+local function find_python()
+  -- check active virtualenv
+  local venv = vim.env.VIRTUAL_ENV
+  if venv then
+    local path = venv .. "/bin/python"
+    if vim.fn.executable(path) == 1 then return path end
+  end
+
+  -- check conda
+  local conda = vim.env.CONDA_PREFIX
+  if conda then
+    local path = conda .. "/bin/python"
+    if vim.fn.executable(path) == 1 then return path end
+  end
+
+  -- probe common venv directories relative to cwd
+  local cwd = vim.fn.getcwd()
+  for _, dir in ipairs({ ".venv", "venv", "env", ".env" }) do
+    local path = cwd .. "/" .. dir .. "/bin/python"
+    if vim.fn.executable(path) == 1 then return path end
+  end
+
+  -- fallback to system python
+  if vim.fn.executable("python3") == 1 then return "python3" end
+  if vim.fn.executable("python") == 1 then return "python" end
+  return nil
+end
+
+function M.register(dap)
+  local python = find_python()
+  if not python then return end
+
+  loader.register(dap, "debugpy", {
+    type = "executable",
+    command = python,
+    args = { "-m", "debugpy.adapter" },
+  }, {
+    {
+      type = "debugpy",
+      request = "launch",
+      name = "Launch file",
+      program = "${file}",
+      pythonPath = function() return find_python() end,
+    },
+  }, { "python" })
+end
+
+return M