Merge master into worktree/semantic-session-checkpoints

packages/examples/tui-demo/src/bin.ts

@@ -11,8 +11,16 @@ import { boot, installFailLoud, loadEnv, resolveConfigPath } from '@deepseek-ai/
 const NAME = 'dsh-tui-demo'
 
 /* v8 ignore start -- thin self-executing composition over the unit-tested
-   dsh-app-boot helpers; exercised end-to-end by the keyless Loader-path and
-   built-bin smokes */
+   dsh-app-boot helpers; exercised end-to-end by the tui-agent PTY smoke and
+   the built-bin fail-loud smoke */
+// Refuse pipes BEFORE booting: a compose-time throw inside the Loader tree is
+// logged per-entry rather than rethrown, so a piped launch would otherwise
+// settle into an idle UI-less process instead of exiting nonzero.
+if (!process.stdin.isTTY || !process.stdout.isTTY) {
+  process.stderr.write(`${NAME}: the TUI requires stdin and stdout to be interactive TTYs; `
+    + 'use the one-shot dsh-cli-demo bin for pipes and automation\n')
+  process.exit(1)
+}
 installFailLoud(NAME)
 loadEnv(NAME)
 await boot(NAME, resolveConfigPath(process.argv[2] ?? './cordis.yml', undefined))

packages/examples/tui-demo/src/index.ts

@@ -28,7 +28,6 @@ import * as uiTui from '@deepseek-ai/dsh-tui'
 
 export const name = 'tui-demo'
 const DEFAULT_PERSISTENCE_ROOT = './.sessions'
-const DEFAULT_WELCOME = 'ready.'
 
 /** App config routed to the spine, TUI, configured agent, and JSONL backend. */
 export interface Config {
@@ -52,8 +51,15 @@ export interface Config {
   persistenceRoot?: string
   /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */
   persistenceCompression?: JsonlCompression
-  /** TUI subtitle rendered on start. Defaults to `ready.`. */
+  /** TUI transcript's optional first line; absent renders nothing on start. */
   welcome?: string
+  /**
+   * Shell command template the TUI prints on exit and lists under `/resume`,
+   * with `{session}` replaced by the live session id (forwarded to the front
+   * door). Set it to a command that resumes via this app's env var, e.g.
+   * `RESUME_SESSION_ID={session} dsh`.
+   */
+  resumeCommand?: string
   /** Full-screen TUI presentation settings. */
   ui?: uiTui.TuiConfig
   /** Skill registry, local-provider, and model-facing consumer config. */
@@ -85,7 +91,8 @@ export const Config: z<Config> = z.object({
   sessionTitle: agentCore.SessionTitleConfigSchema,
   persistenceRoot: z.string().default(DEFAULT_PERSISTENCE_ROOT),
   persistenceCompression: JsonlCompressionSchema,
-  welcome: z.string().default(DEFAULT_WELCOME),
+  welcome: z.string(),
+  resumeCommand: z.string(),
   ui: uiTui.TuiConfigSchema,
   skills: agentCore.SkillConfigSchema,
   toolBash: agentCore.ToolBashConfigSchema,
@@ -117,7 +124,8 @@ export function composeTuiApp(ctx: Context, config: Config): void {
   ctx.plugin(UserInteractionService)
   ctx.plugin(uiTui, {
     ...config.ui,
-    welcome: config.welcome ?? DEFAULT_WELCOME,
+    ...config.welcome === undefined ? {} : { welcome: config.welcome },
+    ...config.resumeCommand === undefined ? {} : { resumeCommand: config.resumeCommand },
     sessionId,
   })
   ctx.plugin(agentCore, {