feat(plan): promote planning feature to stable (#24282)

docs/cli/settings.md

@@ -30,6 +30,7 @@ they appear in the UI.
 | Default Approval Mode   | `general.defaultApprovalMode`      | The default approval mode for tool execution. 'default' prompts for approval, 'auto_edit' auto-approves edit tools, and 'plan' is read-only mode. YOLO mode (auto-approve all actions) can only be enabled via command line (--yolo or --approval-mode=yolo). | `"default"` |
 | Enable Auto Update      | `general.enableAutoUpdate`         | Enable automatic updates.                                                                                                                                                                                                                                     | `true`      |
 | Enable Notifications    | `general.enableNotifications`      | Enable run-event notifications for action-required prompts and session completion.                                                                                                                                                                            | `false`     |
+| Enable Plan Mode        | `general.plan.enabled`             | Enable Plan Mode for read-only safety during planning.                                                                                                                                                                                                        | `true`      |
 | Plan Directory          | `general.plan.directory`           | The directory where planning artifacts are stored. If not specified, defaults to the system temporary directory. A custom directory requires a policy to allow write access in Plan Mode.                                                                     | `undefined` |
 | Plan Model Routing      | `general.plan.modelRouting`        | Automatically switch between Pro and Flash models based on Plan Mode status. Uses Pro for the planning phase and Flash for the implementation phase.                                                                                                          | `true`      |
 | Retry Fetch Errors      | `general.retryFetchErrors`         | Retry on "exception TypeError: fetch failed sending request" errors.                                                                                                                                                                                          | `true`      |
@@ -162,7 +163,6 @@ they appear in the UI.
 | Enable Git Worktrees       | `experimental.worktrees`                 | Enable automated Git worktree management for parallel work.                                                                                               | `false` |
 | Use OSC 52 Paste           | `experimental.useOSC52Paste`             | Use OSC 52 for pasting. This may be more robust than the default system when using remote terminal sessions (if your terminal is configured to allow it). | `false` |
 | Use OSC 52 Copy            | `experimental.useOSC52Copy`              | Use OSC 52 for copying. This may be more robust than the default system when using remote terminal sessions (if your terminal is configured to allow it). | `false` |
-| Plan                       | `experimental.plan`                      | Enable Plan Mode.                                                                                                                                         | `true`  |
 | Model Steering             | `experimental.modelSteering`             | Enable model steering (user hints) to guide the model during tool execution.                                                                              | `false` |
 | Direct Web Fetch           | `experimental.directWebFetch`            | Enable web fetch behavior that bypasses LLM summarization.                                                                                                | `false` |
 | Memory Manager Agent       | `experimental.memoryManager`             | Replace the built-in save_memory tool with a memory manager subagent that supports adding, removing, de-duplicating, and organizing memories.             | `false` |

docs/reference/commands.md

@@ -305,7 +305,7 @@ Slash commands provide meta-level control over the CLI itself.
 - **Description:** Switch to Plan Mode (read-only) and view the current plan if
   one has been generated.
   - **Note:** This feature is enabled by default. It can be disabled via the
-    `experimental.plan` setting in your configuration.
+    `general.plan.enabled` setting in your configuration.
 - **Sub-commands:**
   - **`copy`**:
     - **Description:** Copy the currently approved plan to your clipboard.

docs/reference/configuration.md

@@ -141,6 +141,11 @@ their corresponding top-level category object in your `settings.json` file.
   - **Default:** `false`
   - **Requires restart:** Yes
 
+- **`general.plan.enabled`** (boolean):
+  - **Description:** Enable Plan Mode for read-only safety during planning.
+  - **Default:** `true`
+  - **Requires restart:** Yes
+
 - **`general.plan.directory`** (string):
   - **Description:** The directory where planning artifacts are stored. If not
     specified, defaults to the system temporary directory. A custom directory
@@ -1657,11 +1662,6 @@ their corresponding top-level category object in your `settings.json` file.
     configured to allow it).
   - **Default:** `false`
 
-- **`experimental.plan`** (boolean):
-  - **Description:** Enable Plan Mode.
-  - **Default:** `true`
-  - **Requires restart:** Yes
-
 - **`experimental.taskTracker`** (boolean):
   - **Description:** Enable task tracker tools.
   - **Default:** `false`