refactor: run a single shared codex app server (#479)

Author: Dimillian

README.md

@@ -307,7 +307,7 @@ src-tauri/
 Frontend calls live in `src/services/tauri.ts` and map to commands in `src-tauri/src/lib.rs`. The current surface includes:
 
 - Settings/config/files: `get_app_settings`, `update_app_settings`, `get_codex_config_path`, `get_config_model`, `file_read`, `file_write`, `codex_doctor`, `menu_set_accelerators`.
-- Workspaces/worktrees: `list_workspaces`, `is_workspace_path_dir`, `add_workspace`, `add_clone`, `add_worktree`, `worktree_setup_status`, `worktree_setup_mark_ran`, `rename_worktree`, `rename_worktree_upstream`, `apply_worktree_changes`, `update_workspace_settings`, `update_workspace_codex_bin`, `remove_workspace`, `remove_worktree`, `connect_workspace`, `list_workspace_files`, `read_workspace_file`, `open_workspace_in`, `get_open_app_icon`.
+- Workspaces/worktrees: `list_workspaces`, `is_workspace_path_dir`, `add_workspace`, `add_clone`, `add_worktree`, `worktree_setup_status`, `worktree_setup_mark_ran`, `rename_worktree`, `rename_worktree_upstream`, `apply_worktree_changes`, `update_workspace_settings`, `remove_workspace`, `remove_worktree`, `connect_workspace`, `list_workspace_files`, `read_workspace_file`, `open_workspace_in`, `get_open_app_icon`.
 - Threads/turns/reviews: `start_thread`, `fork_thread`, `compact_thread`, `list_threads`, `resume_thread`, `archive_thread`, `set_thread_name`, `send_user_message`, `turn_interrupt`, `respond_to_server_request`, `start_review`, `remember_approval_rule`, `get_commit_message_prompt`, `generate_commit_message`, `generate_run_metadata`.
 - Account/models/collaboration: `model_list`, `account_rate_limits`, `account_read`, `skills_list`, `apps_list`, `collaboration_mode_list`, `codex_login`, `codex_login_cancel`, `list_mcp_server_status`.
 - Git/GitHub: `get_git_status`, `list_git_roots`, `get_git_diffs`, `get_git_log`, `get_git_commit_diff`, `get_git_remote`, `stage_git_file`, `stage_git_all`, `unstage_git_file`, `revert_git_file`, `revert_git_all`, `commit_git`, `push_git`, `pull_git`, `fetch_git`, `sync_git`, `list_git_branches`, `checkout_git_branch`, `create_git_branch`, `get_github_issues`, `get_github_pull_requests`, `get_github_pull_request_diff`, `get_github_pull_request_comments`.

REMOTE_BACKEND_POC.md

@@ -51,13 +51,12 @@ printf '{\"id\":3,\"method\":\"list_workspaces\",\"params\":{}}\\n' | nc -w 1 12
 
 - `ping`
 - `list_workspaces`
-- `add_workspace` (`{ path, codex_bin? }`)
+- `add_workspace` (`{ path }`)
 - `add_worktree` (`{ parentId, branch }`)
 - `connect_workspace` (`{ id }`)
 - `remove_workspace` (`{ id }`)
 - `remove_worktree` (`{ id }`)
 - `update_workspace_settings` (`{ id, settings }`)
-- `update_workspace_codex_bin` (`{ id, codex_bin? }`)
 - `list_workspace_files` (`{ workspaceId }`)
 - `get_app_settings`
 - `update_app_settings` (`{ settings }`)

docs/index.html

@@ -225,7 +225,7 @@ <h2>From repo to review in three moves.</h2>
             <div class="glass card">
               <span class="step">01</span>
               <h3>Connect your workspaces</h3>
-              <p>Codex Monitor spawns a Codex app-server per repo and restores your threads.</p>
+              <p>Codex Monitor runs one shared Codex app-server and restores your threads across workspaces.</p>
             </div>
             <div class="glass card">
               <span class="step">02</span>