refactor(cli): exclude live-session registry surface

apps/cli/src/args.ts

@@ -2,24 +2,19 @@
  * Commander adapter for the `dsh` command-line entry: the one place argv is
  * parsed and routed to a mode. `bin.ts` switches on the returned discriminant
  * and dynamic-imports that mode's module. One program: the default (no
- * subcommand) is the TUI/headless surface with option-only flags; `meta` and
- * `web` are real subcommands. Commander owns `--help`/`--version` and parse
- * errors — it prints and exits at the point of failure (a domain failure routes through
+ * subcommand) is the TUI/headless surface with option-only flags; `web` is a
+ * real subcommand. Commander owns `--help`/`--version` and parse errors — it
+ * prints and exits at the point of failure (a domain failure routes through
  * `command.error`), so this returns only a resolved mode.
  * @module @deepseek-ai/dsh/args
  */
 
 import { Command, CommanderError } from 'commander'
 
-/**
- * Interactive TUI: the default mode. `--config` applies an overlay over the
- * shipped composition in place of the personal one, `--config-replace` boots a
- * file as the whole tree instead, and `--resume <id>` rehydrates a session.
- */
+/** Interactive TUI: the default mode. `--config` swaps the tree; `--resume <id>` rehydrates a session. */
 interface TuiInvocation {
   mode: 'tui'
   config?: string
-  configReplace?: string
   resume?: string
 }
 
@@ -29,39 +24,6 @@ interface HeadlessInvocation {
   prompt: string
 }
 
-/**
- * Interactive TUI over this harness checkout: `dsh meta`. Identical to
- * {@link TuiInvocation} except the workspace is the launcher's own source tree
- * rather than the invoking directory. No `--config`: booting a foreign tree
- * against the harness workspace is the `--config` case, not this one.
- */
-interface MetaInvocation {
-  mode: 'meta'
-  resume?: string
-}
-
-/**
- * Guided fresh-session entries: `dsh migrate` seeds the first turn with the
- * `dsh-migrate` skill, `dsh upgrade` with `dsh-upgrade`. Each always mints a
- * fresh session in the invoking directory and takes no options — `--resume`,
- * `--config`, and `-p` are rejected as mistyped, so there is nothing to carry.
- */
-interface SkillSessionInvocation {
-  mode: 'migrate' | 'upgrade'
-}
-
-/**
- * List live sessions: `dsh list-sessions` (alias `dsh ps`). A read-only surface
- * that boots no agent tree — it reads the cross-process session registry and
- * exits. `json` selects the machine-readable form over the human table. There
- * is no workspace filter: the listing is always every live session, whatever
- * directory it runs in.
- */
-interface ListSessionsInvocation {
-  mode: 'list-sessions'
-  json: boolean
-}
-
 /**
  * Browser UI: `dsh web`. `host`/`port` are present only when the flag was
  * passed — pass-through overrides with no CLI default and no CLI validation:
@@ -74,8 +36,6 @@ interface ListSessionsInvocation {
  */
 interface WebInvocation {
   mode: 'web'
-  /** Overlay of loader patches applied over the shipped web composition. */
-  config?: string
   host?: string
   port?: number
   dev: boolean
@@ -85,17 +45,10 @@ interface WebInvocation {
 }
 
 /** The resolved `dsh` invocation: exactly one mode. `--help`/`--version`/errors exit inside {@link parseDshArgs}. */
-export type DshInvocation =
-  | TuiInvocation
-  | HeadlessInvocation
-  | MetaInvocation
-  | SkillSessionInvocation
-  | ListSessionsInvocation
-  | WebInvocation
+export type DshInvocation = TuiInvocation | HeadlessInvocation | WebInvocation
 
 /** Raw web-subcommand options straight from Commander. */
 interface WebOptions {
-  config?: string
   host?: string
   port?: string
   dev?: boolean
@@ -112,7 +65,6 @@ interface WebOptions {
 function resolveWeb(options: WebOptions): WebInvocation {
   return {
     mode: 'web',
-    ...options.config !== undefined && { config: options.config },
     ...options.host !== undefined && { host: options.host },
     ...options.port !== undefined && { port: Number(options.port) },
     dev: options.dev === true,
@@ -134,31 +86,21 @@ export function parseDshArgs(argv: readonly string[], version: string): DshInvoc
   const program = new Command()
     .name('dsh')
     .version(version, '-V, --version', 'output the version number')
-    .description('dsh: DeepSeek Harness — an interactive coding agent for your terminal.\nRun `dsh` with no arguments to start a session in the current directory.')
-    // The default surface takes no positional task, so `dsh "task"` fails
-    // commander's arity check with no hint; these examples are where a first
-    // reader learns the entry points and that a one-shot task rides `-p`.
-    .addHelpText('after', `
-Examples:
-  dsh                     start an interactive session in this directory
-  dsh -p "run the tests"  answer one task, print the result, and exit
-  dsh --resume <id>       continue a past session (list ids with \`dsh ps\`)
-`)
+    .description('dsh: interactive TUI (default), headless task, and browser UI')
     .exitOverride()
     // Default surface: option-only (no positional), so `web` can be a real
     // subcommand without a positional collision.
-    .option('-p, --prompt <task>', 'answer this task without the interactive UI, then exit')
-    .option('--resume <id>', 'continue a past session by id (list ids with `dsh ps`)')
-    .option('--config <path>', 'apply this overlay of loader patches instead of the personal one')
-    .option('--config-replace <path>', 'boot this file as the entire tree, ignoring the shipped and personal configuration')
-    .action((options: { config?: string; configReplace?: string; prompt?: string; resume?: string }) => {
+    .option('--config <path>', 'boot an alternate cordis.yml instead of the shipped tree (TUI mode)')
+    .option('-p, --prompt <task>', 'run one headless turn for this task, print the result, and exit')
+    .option('--resume <id>', 'resume the persisted session with this id (TUI mode)')
+    .action((options: { config?: string; prompt?: string; resume?: string }) => {
       if (options.prompt !== undefined) {
         // A headless prompt owns the invocation; an empty task has nothing to
         // run, and --config/--resume are TUI inputs that must not silently
         // vanish from a headless run.
         if (options.prompt === '') program.error('error: --prompt needs a task')
-        if (options.config !== undefined || options.configReplace !== undefined || options.resume !== undefined) {
-          program.error('error: --prompt takes no --config, --config-replace, or --resume')
+        if (options.config !== undefined || options.resume !== undefined) {
+          program.error('error: --prompt takes no --config or --resume')
         }
         resolved = { mode: 'headless', prompt: options.prompt }
         return
@@ -166,97 +108,30 @@ Examples:
       // An empty --resume= id would silently start a fresh session downstream
       // (agent-loop treats '' as no-resume), so a mistyped resume must fail loud.
       if (options.resume === '') program.error('error: --resume needs a session id')
-      // The two config flags are mutually exclusive: one layers over the shipped
-      // tree, the other discards it, so accepting both would silently drop one.
-      if (options.config !== undefined && options.configReplace !== undefined) {
-        program.error('error: --config and --config-replace are mutually exclusive')
-      }
       resolved = {
         mode: 'tui',
         ...options.config !== undefined && { config: options.config },
-        ...options.configReplace !== undefined && { configReplace: options.configReplace },
         ...options.resume !== undefined && { resume: options.resume },
       }
     })
 
-  // Commander parses the parent (default-surface) options on either side of a
-  // subcommand into `program.opts()`. For a subcommand that shares none of them,
-  // a leaked `--config`/`-p`/`--resume` is a mistyped invocation that must fail
-  // loud rather than silently run and drop the input.
-  const rejectParentOptions = (command: string): void => {
-    const parent = program.opts<{ config?: string; configReplace?: string; prompt?: string; resume?: string }>()
-    if (parent.config !== undefined || parent.configReplace !== undefined
-      || parent.prompt !== undefined || parent.resume !== undefined) {
-      program.error(`error: ${command} takes none of --config, -p/--prompt, or --resume`)
-    }
-  }
-
-  // Registration order is the rendered help order, so daily use comes first
-  // and the harness-development surfaces (`web --dev`, `meta`) come last.
-  // `migrate` and `upgrade` are guided fresh-session entries: they take no
-  // options and always mint a fresh session, so nothing is left to carry. Each
-  // description names the outcome, not the skill the first turn invokes.
-  const guided = {
-    migrate: 'import settings from another coding agent (Claude Code, Codex, opencode)',
-    upgrade: 'update this dsh installation to the latest version',
-  } as const
-  for (const mode of ['migrate', 'upgrade'] as const) {
-    program
-      .command(mode)
-      .description(guided[mode])
-      .action(() => {
-        rejectParentOptions(mode)
-        resolved = { mode }
-      })
-  }
-
-  program
-    .command('list-sessions')
-    .alias('ps')
-    .description('list sessions running right now')
-    .option('--json', 'print the records as a JSON array instead of a table')
-    .action((options: { json?: boolean }) => {
-      rejectParentOptions('list-sessions')
-      resolved = { mode: 'list-sessions', json: options.json === true }
-    })
-
-  // Host and port name no default: the CLI passes neither through when the flag
-  // is absent, so the shipped `cordis.yml` value stands and restating it here
-  // would duplicate a fact this file does not own.
-  const web = program.command('web').description('serve the browser UI on the configured host and port')
+  const web = program.command('web').description('serve the browser UI (host/port default to the shipped config)')
   web
-    .option('--config <path>', 'apply this overlay of loader patches over the shipped configuration')
-    .option('--host <host>', 'bind host; pass 0.0.0.0 to reach it from another machine')
-    .option('--port <port>', 'listen port; pass 0 to let the OS pick a free one')
-    .option('--dev', 'developer mode: hot-reload the browser client')
-    .option('--workspace-root <path>', 'parent directory for workspaces created from the browser UI')
+    .option('--host <host>', 'override the config bind host (127.0.0.1 or 0.0.0.0)')
+    .option('--port <port>', 'override the config listen port (0 requests an OS-assigned port)')
+    .option('--dev', 'mount the client HMR driver and watch plugin bundles for rebuilds')
+    .option('--workspace-root <path>', 'parent directory for name-created workspaces')
     .option('--trusted-host <authority...>', 'extra authority the /api browser-trust fence accepts (host or host:port; repeatable)')
     .action((options: WebOptions) => {
-      rejectParentOptions('web')
-      resolved = resolveWeb(options)
-    })
-
-  // `--resume` is NOT redeclared here: an option a subcommand shares with its
-  // parent parses into `program.opts()` and leaves the subcommand's own options
-  // empty, so redeclaring it would silently drop the id. Commander therefore
-  // omits it from this subcommand's option list, hence the trailing help text.
-  program
-    .command('meta')
-    .description('work on the dsh source that runs this command, from any directory')
-    .addHelpText('after', '\nAccepts --resume <id> to resume a persisted session from this checkout.\n')
-    .action(() => {
       // Commander parses the parent (default-surface) options on either side of
-      // the subcommand into `program.opts()`. `meta` accepts only `--resume`, so
-      // a leaked `--config`/`-p` is a mistyped invocation that must fail loud
-      // rather than silently be dropped.
+      // the subcommand into `program.opts()`. `web` shares none of them, so a
+      // leaked `--config`/`-p`/`--resume` is a mistyped invocation that must
+      // fail loud rather than silently start the web server and drop it.
       const parent = program.opts<{ config?: string; prompt?: string; resume?: string }>()
-      if (parent.config !== undefined || parent.prompt !== undefined) {
-        program.error('error: meta takes neither --config nor -p/--prompt')
+      if (parent.config !== undefined || parent.prompt !== undefined || parent.resume !== undefined) {
+        program.error('error: web takes none of --config, -p/--prompt, or --resume')
       }
-      // Same reason as the default surface: an empty id would start a fresh
-      // session downstream instead of failing the mistyped resume.
-      if (parent.resume === '') program.error('error: --resume needs a session id')
-      resolved = { mode: 'meta', ...parent.resume !== undefined && { resume: parent.resume } }
+      resolved = resolveWeb(options)
     })
 
   try {