feat: add missing slash commands

/compact
/undo /redo
/share /unshare

This should fix sudo-tee#36

Author: sudo-tee

README.md

@@ -265,7 +265,7 @@ Available icon keys (see implementation at lua/opencode/ui/icons.lua lines 7-29)
 
 ### Available Actions
 
-The plugin provides the following actions that can be triggered via keymaps, commands, or the Lua API:
+The plugin provides the following actions that can be triggered via keymaps, commands, slash commands (typed in the input window), or the Lua API:
 
 | Action                                              | Default keymap | Command                                  | API Function                                                                 |
 | --------------------------------------------------- | -------------- | ---------------------------------------- | ---------------------------------------------------------------------------- |
@@ -287,6 +287,10 @@ The plugin provides the following actions that can be triggered via keymaps, com
 | Revert current file changes last prompt             | `<leader>ort`  | `:OpencodeRevertThisLastPrompt`          | `require('opencode.api').diff_revert_this_last_prompt()`                     |
 | Revert all file changes since last session          | `<leader>orA`  | `:OpencodeRevertAllSession`              | `require('opencode.api').diff_revert_all_session()` **Not implemented yet**  |
 | Revert current file changes last session            | `<leader>orT`  | `:OpencodeRevertThisSession`             | `require('opencode.api').diff_revert_this_session()` **Not implemented yet** |
+| Revert all files to a specific snapshot             | -              | `:OpencodeRevertAllToSnapshot`           | `require('opencode.api').diff_revert_all(snapshot_id)`                       |
+| Revert current file to a specific snapshot          | -              | `:OpencodeRevertThisToSnapshot`          | `require('opencode.api').diff_revert_this(snapshot_id)`                      |
+| Restore a file to a restore point                   | -              | `:OpencodeRestoreSnapshotFile`           | `require('opencode.api').diff_restore_snapshot_file(restore_point_id)`       |
+| Restore all files to a restore point                | -              | `:OpencodeRestoreSnapshotAll`            | `require('opencode.api').diff_restore_snapshot_all(restore_point_id)`        |
 | Initialize/update AGENTS.md file                    | -              | `:OpencodeInit`                          | `require('opencode.api').initialize()`                                       |
 | Run prompt (continue session) [Run opts](#run-opts) | -              | `:OpencodeRun <prompt> <opts>`           | `require('opencode.api').run("prompt", opts)`                                |
 | Run prompt (new session) [Run opts](#run-opts)      | -              | `:OpencodeRunNewSession <prompt> <opts>` | `require('opencode.api').run_new_session("prompt", opts)`                    |
@@ -296,6 +300,11 @@ The plugin provides the following actions that can be triggered via keymaps, com
 | Select and switch mode/agent                        | -              | `:OpencodeAgentSelect`                   | `require('opencode.api').select_agent()`                                     |
 | Display list of availale mcp servers                | -              | `:OpencodeMCP`                           | `require('opencode.api').mcp()`                                              |
 | Run user commands                                   | -              | `:OpencodeRunUserCommand`                | `require('opencode.api').run_user_command()`                                 |
+| Share current session and get a link                | -              | `:OpencodeShareSession` / `/share`       | `require('opencode.api').share()`                                            |
+| Unshare current session (disable link)              | -              | `:OpencodeUnshareSession` / `/unshare`   | `require('opencode.api').unshare()`                                          |
+| Compact current session (summarize)                 | -              | `:OpencodeCompactSession` / `/compact`   | `require('opencode.api').compact_session()`                                  |
+| Undo last opencode action                           | -              | `:OpencodeUndo` / `/undo`                | `require('opencode.api').undo()`                                             |
+| Redo last opencode action                           | -              | `:OpencodeRedo` / `/redo`                | `require('opencode.api').redo()`                                             |
 | Insert mention (file/ agent)                        | `@`            | -                                        | -                                                                            |
 | [Pick a file and add to context](#file-mentions)    | `~`            | -                                        | -                                                                            |
 | Navigate to next message                            | `]]`           | -                                        | -                                                                            |
@@ -305,6 +314,8 @@ The plugin provides the following actions that can be triggered via keymaps, com
 | Toggle input/output panes                           | `<tab>`        | -                                        | -                                                                            |
 | Swap Opencode pane left/right                       | `<leader>ox`   | `:OpencodeSwapPosition`                  | `require('opencode.api').swap_position()`                                    |
 
+---
+
 ### Run opts
 
 You can pass additional options when running a prompt via command or API:
@@ -371,20 +382,36 @@ You can create custom agents through your opencode config file. Each agent can h
 
 See [Opencode Agents Documentation](https://opencode.ai/docs/agents/) for full configuration options.
 
-## User Commands
+## User Commands and Slash Commands
+
+You can run predefined user commands and built-in slash commands from the input window by typing `/`. This opens a command picker where you can select a command to execute. The output of the command will be included in your prompt context.
+
+**Built-in slash commands** include:
 
-You can run predefined user commands from the input window by typing `/`. This will open a command picker where you can select a command to execute. The output of the command will be included in your prompt context.
+- `/share` — Share the current session and get a link
+- `/unshare` — Unshare the current session
+- `/compact` — Compact (summarize) the current session
+- `/undo` — Undo the last opencode action
+- `/redo` — Redo the last undone action
+- `/init` — Initialize/update AGENTS.md
+- `/help` — Show help
+- `/mcp` — Show MCP servers
+- `/models` — Switch provider/model
+- `/sessions` — Switch session
+- `/child-sessions` — Switch to a child session
+- `/agent` — Switch agent/mode
+- ...and more
 
-To configure user commands
+**User commands** are custom scripts you define. They are loaded from:
 
-### Store command files in these locations:
+- `.opencode/command/` (project-specific)
+- `command/` (global, in config directory)
 
-`.opencode/command/` - Project-specific commands
-`command/` - Global commands in config directory
+You can also run user commands by name with `:OpencodeRunUserCommand <name>` or `/run_user_command <name>`.
 
 <img src="https://i.imgur.com/YQhhoPS.png" alt="Opencode.nvim contextual actions" width="90%" />
 
-See [User Commands Documentation](https://opencode.ai/docs/commands/) for more details details.
+See [User Commands Documentation](https://opencode.ai/docs/commands/) for more details.
 
 ## 📸 Contextual Actions for Snapshots
 
@@ -451,12 +478,10 @@ The plugin defines several highlight groups that can be customized to match your
 If you're new to opencode:
 
 1. **What is Opencode?**
-
    - Opencode is an AI coding agent built for the terminal
    - It offers powerful AI assistance with extensible configurations such as LLMs and MCP servers
 
 2. **Installation:**
-
    - Visit [Install Opencode](https://opencode.ai/docs/#install) for installation and configuration instructions
    - Ensure the `opencode` command is available after installation
 

lua/opencode/api.lua

@@ -381,6 +381,129 @@ function M.run_user_command(name)
   })
 end
 
+--- Compacts the current session by removing unnecessary data.
+--- @param current_session? Session The session to compact. Defaults to the active session.
+function M.compact_session(current_session)
+  current_session = current_session or state.active_session
+  if not current_session then
+    vim.notify('No active session to compact', vim.log.levels.WARN)
+    return
+  end
+
+  local providerId, modelId = state.current_model:match('^(.-)/(.+)$')
+  core.run_server_api('/session/' .. current_session.name .. '/summarize', 'POST', {
+    providerID = providerId,
+    modelID = modelId,
+  }, {
+    on_done = function()
+      vim.schedule(function()
+        vim.notify('Session compacted successfully', vim.log.levels.INFO)
+      end)
+    end,
+    on_error = function(err)
+      vim.schedule(function()
+        vim.notify('Failed to compact session: ' .. vim.inspect(err), vim.log.levels.ERROR)
+      end)
+    end,
+  })
+end
+
+function M.share()
+  if not state.active_session then
+    vim.notify('No active session to share', vim.log.levels.WARN)
+    return
+  end
+
+  core.run_server_api('/session/' .. state.active_session.name .. '/share', 'POST', {}, {
+    on_done = function(response)
+      vim.schedule(function()
+        if response and response.share.url then
+          vim.fn.setreg('+', response.share.url)
+          vim.notify('Session link copied to clipboard successfully: ' .. response.share.url, vim.log.levels.INFO)
+        else
+          vim.notify('Session shared but no link received', vim.log.levels.WARN)
+        end
+      end)
+    end,
+    on_error = function(err)
+      vim.schedule(function()
+        vim.notify('Failed to share session: ' .. vim.inspect(err), vim.log.levels.ERROR)
+      end)
+    end,
+  })
+end
+
+function M.unshare()
+  if not state.active_session then
+    vim.notify('No active session to unshare', vim.log.levels.WARN)
+    return
+  end
+
+  core.run_server_api('/session/' .. state.active_session.name .. '/share', 'DELETE', {}, {
+    on_done = function()
+      vim.schedule(function()
+        vim.notify('Session unshared successfully', vim.log.levels.INFO)
+      end)
+    end,
+    on_error = function(err)
+      vim.schedule(function()
+        vim.notify('Failed to unshare session: ' .. vim.inspect(err), vim.log.levels.ERROR)
+      end)
+    end,
+  })
+end
+
+function M.undo()
+  if not state.active_session then
+    vim.notify('No active session to undo', vim.log.levels.WARN)
+    return
+  end
+  local last_user_message = state.last_user_message
+  if not last_user_message then
+    vim.notify('No user message to undo', vim.log.levels.WARN)
+    return
+  end
+
+  core.run_server_api('/session/' .. state.active_session.name .. '/revert', 'POST', {
+    messageID = last_user_message.id,
+  }, {
+    on_done = function(response)
+      state.active_session.revert = response.revert
+      vim.schedule(function()
+        vim.notify('Last message undone successfully', vim.log.levels.INFO)
+        ui.render_output(true)
+      end)
+    end,
+    on_error = function(err)
+      vim.schedule(function()
+        vim.notify('Failed to undo last message: ' .. vim.inspect(err), vim.log.levels.ERROR)
+      end)
+    end,
+  })
+end
+
+function M.redo()
+  if not state.active_session then
+    vim.notify('No active session to undo', vim.log.levels.WARN)
+    return
+  end
+
+  core.run_server_api('/session/' .. state.active_session.name .. '/unrevert', 'POST', {}, {
+    on_done = function(response)
+      state.active_session.revert = response.revert
+      vim.schedule(function()
+        vim.notify('Last message rerterted successfully', vim.log.levels.INFO)
+        ui.render_output(true)
+      end)
+    end,
+    on_error = function(err)
+      vim.schedule(function()
+        vim.notify('Failed to undo last message: ' .. vim.inspect(err), vim.log.levels.ERROR)
+      end)
+    end,
+  })
+end
+
 -- Command definitions that call the API functions
 M.commands = {
   swap_position = {
@@ -713,6 +836,71 @@ M.commands = {
     end,
     args = true,
   },
+
+  compact_session = {
+    name = 'OpencodeCompactSession',
+    desc = 'Compacts the current session by removing unnecessary data',
+    fn = function()
+      if not state.active_session then
+        vim.notify('No active session to compact', vim.log.levels.WARN)
+        return
+      end
+      M.compact_session(state.active_session)
+    end,
+    slash_cmd = '/compact',
+  },
+
+  share_session = {
+    name = 'OpencodeShareSession',
+    desc = 'Share the current session and get a shareable link',
+    fn = function()
+      if not state.active_session then
+        vim.notify('No active session to share', vim.log.levels.WARN)
+        return
+      end
+      M.share()
+    end,
+    slash_cmd = '/share',
+  },
+
+  unshare_session = {
+    name = 'OpencodeUnshareSession',
+    desc = 'Unshare the current session, disabling the shareable link',
+    fn = function()
+      if not state.active_session then
+        vim.notify('No active session to unshare', vim.log.levels.WARN)
+        return
+      end
+      M.unshare()
+    end,
+    slash_cmd = '/unshare',
+  },
+
+  undo = {
+    name = 'OpencodeUndo',
+    desc = 'Undo last opencode action',
+    fn = function()
+      if not state.active_session then
+        vim.notify('No active session to undo', vim.log.levels.WARN)
+        return
+      end
+      M.undo()
+    end,
+    slash_cmd = '/undo',
+  },
+
+  redo = {
+    name = 'OpencodeRedo',
+    desc = 'Redo last opencode action',
+    fn = function()
+      if not state.active_session then
+        vim.notify('No active session to undo', vim.log.levels.WARN)
+        return
+      end
+      M.redo()
+    end,
+    slash_cmd = '/redo',
+  },
 }
 
 function M.get_slash_commands()

lua/opencode/config.lua

@@ -65,6 +65,7 @@ M.defaults = {
       select_child_session = '<leader>oS',
       debug_message = '<leader>oD',
       debug_output = '<leader>oO',
+      debug_session = '<leader>ods',
     },
   },
   ui = {

lua/opencode/session.lua

@@ -86,6 +86,7 @@ function M.create_session_object(session_json)
     cache_path = vim.fn.stdpath('cache') .. '/opencode/session/' .. session_json.id,
     snapshot_path = M.get_workspace_snapshot_path(),
     project_id = M.project_id(),
+    revert = session_json.revert or nil,
   }
 end
 

lua/opencode/state.lua

@@ -26,6 +26,7 @@ local config = require('opencode.config').get()
 ---@field current_model string|nil
 ---@field messages Message[]|nil
 ---@field current_message Message|nil
+---@field last_user_message Message|nil
 ---@field cost number
 ---@field tokens_count number
 ---@field opencode_server_job OpencodeServer
@@ -59,6 +60,7 @@ local _state = {
   -- messages
   messages = nil,
   current_message = nil,
+  last_user_message = nil,
   cost = 0,
   tokens_count = 0,
   -- job

lua/opencode/types.lua

@@ -22,6 +22,12 @@
 ---@field agent string
 ---@field model string
 
+---@class SessionRevertInfo
+---@field messageID string
+---@field partID? string
+---@field snapshot string
+---@field diff string
+
 ---@class Session
 ---@field workspace string
 ---@field description string
@@ -34,6 +40,7 @@
 ---@field snapshot_path string
 ---@field cache_path string
 ---@field workplace_slug string
+---@field revert? SessionRevertInfo
 
 ---@class OpencodeKeymapGlobal
 ---@field toggle string
@@ -67,6 +74,7 @@
 ---@field next_prompt_history string
 ---@field focus_input string
 ---@field debug_message string
+---@field debug_session string
 ---@field debug_output string
 ---@field switch_mode string
 ---@field select_child_session string

lua/opencode/ui/debug_helper.lua

@@ -26,5 +26,15 @@ function M.debug_message()
   M.open_json_file(metadata.message)
 end
 
-return M
+function M.debug_session()
+  local session = require('opencode.session')
+  local session_path = session.get_workspace_session_path()
+  if not state.active_session then
+    print('No active session')
+    return
+  end
+  vim.api.nvim_set_current_win(state.last_code_win_before_opencode)
+  vim.cmd('e ' .. session_path .. '/' .. state.active_session.name .. '.json')
+end
 
+return M