feat(keymaps): add keymap <leader>oT to open the timeline picker

Author: sudo-tee

README.md

@@ -107,6 +107,7 @@ require('opencode').setup({
       ['<leader>oI'] = { 'open_input_new_session' }, -- Opens and focuses on input window on insert mode. Creates a new session
       ['<leader>oo'] = { 'open_output' }, -- Opens and focuses on output window
       ['<leader>ot'] = { 'toggle_focus' }, -- Toggle focus between opencode and last window
+      ['<leader>oT'] = { 'timeline' }, -- Display timeline picker to navigate/undo/redo/fork messages
       ['<leader>oq'] = { 'close' }, -- Close UI windows
       ['<leader>os'] = { 'select_session' }, -- Select and load a opencode session
       ['<leader>op'] = { 'configure_provider' }, -- Quick provider and model switch from predefined list

lua/opencode/config.lua

@@ -19,6 +19,7 @@ M.defaults = {
       ['<leader>oI'] = { 'open_input_new_session', desc = 'Open input (new session)' },
       ['<leader>oo'] = { 'open_output', desc = 'Open output window' },
       ['<leader>ot'] = { 'toggle_focus', desc = 'Toggle focus' },
+      ['<leader>oT'] = { 'timeline', desc = 'Session timeline' },
       ['<leader>oq'] = { 'close', desc = 'Close Opencode window' },
       ['<leader>os'] = { 'select_session', desc = 'Select session' },
       ['<leader>op'] = { 'configure_provider', desc = 'Configure provider' },