feat(picker): picker support

lua/cp/init.lua

@@ -698,6 +698,48 @@ local function navigate_problem(delta, language)
   setup_problem(state.contest_id, new_problem.id, language)
 end
 
+local function handle_pick_action()
+  if not config.picker then
+    logger.log(
+      'No picker configured. Set picker = "telescope" or picker = "fzf-lua" in config',
+      vim.log.levels.ERROR
+    )
+    return
+  end
+
+  if config.picker == 'telescope' then
+    local ok, telescope = pcall(require, 'telescope')
+    if not ok then
+      logger.log(
+        'Telescope not available. Install telescope.nvim or change picker config',
+        vim.log.levels.ERROR
+      )
+      return
+    end
+    local ok_cp, telescope_cp = pcall(require, 'cp.pickers.telescope')
+    if not ok_cp then
+      logger.log('Failed to load telescope integration', vim.log.levels.ERROR)
+      return
+    end
+    telescope_cp.platform_picker()
+  elseif config.picker == 'fzf-lua' then
+    local ok, _ = pcall(require, 'fzf-lua')
+    if not ok then
+      logger.log(
+        'fzf-lua not available. Install fzf-lua or change picker config',
+        vim.log.levels.ERROR
+      )
+      return
+    end
+    local ok_cp, fzf_cp = pcall(require, 'cp.pickers.fzf_lua')
+    if not ok_cp then
+      logger.log('Failed to load fzf-lua integration', vim.log.levels.ERROR)
+      return
+    end
+    fzf_cp.platform_picker()
+  end
+end
+
 local function restore_from_current_file()
   local current_file = vim.fn.expand('%:p')
   if current_file == '' then
@@ -837,6 +879,8 @@ function M.handle_command(opts)
       navigate_problem(1, cmd.language)
     elseif cmd.action == 'prev' then
       navigate_problem(-1, cmd.language)
+    elseif cmd.action == 'pick' then
+      handle_pick_action()
     end
     return
   end