fix(tui): route prompts by next-step capability

packages/core/agent-loop/src/agent.ts

@@ -53,7 +53,7 @@ export class ReactLoopAgent implements Agent {
   /** Whether observers see a running interval; consecutive turns share it. */
   private busy = false
   /** Whether next-step input belongs to the current admission or open turn. */
-  private acceptingNextStep = false
+  acceptsNextStep = false
   /** Abort owner for the current admission or turn. */
   private abort: AbortController | undefined
   /** Coalesced retry capability scoped to the active request-error waterfall. */
@@ -99,7 +99,7 @@ export class ReactLoopAgent implements Agent {
     const { target, wakeup } = options
     const id = AgentMessageId(randomUUID())
     if (target === 'next-step' && !wakeup) {
-      if (this.acceptingNextStep) {
+      if (this.acceptsNextStep) {
         this.outbox.push({ content, source })
         return id
       }
@@ -107,7 +107,7 @@ export class ReactLoopAgent implements Agent {
       return id
     }
 
-    const placement: InboxPlacement = target === 'next-step' && this.acceptingNextStep ? 'steering' : 'queued'
+    const placement: InboxPlacement = target === 'next-step' && this.acceptsNextStep ? 'steering' : 'queued'
     const message: AgentMessage = {
       id,
       content,
@@ -215,7 +215,7 @@ export class ReactLoopAgent implements Agent {
 
     const admission = new AbortController()
     this.abort = admission
-    this.acceptingNextStep = true
+    this.acceptsNextStep = true
     // Claimed admission is part of the running interval: it is cancellable
     // activity, so observers (and their cancel routing) must see it.
     if (!this.busy) {
@@ -257,7 +257,7 @@ export class ReactLoopAgent implements Agent {
       // still owns the slot here and releasing it unconditionally is exact.
       this.abort = undefined
       if (admitted === undefined) {
-        this.acceptingNextStep = false
+        this.acceptsNextStep = false
         // A synchronously aborted admission would otherwise publish idle
         // inside send()'s own synchronous extent, before any post-send
         // subscriber could observe the transition.
@@ -284,7 +284,7 @@ export class ReactLoopAgent implements Agent {
     if (this.abort !== undefined) throw new Error(`agent "${this.id}" is already running`)
     const controller = new AbortController()
     this.abort = controller
-    this.acceptingNextStep = true
+    this.acceptsNextStep = true
     if (!this.busy) {
       this.busy = true
       emitAgentEvent(this.loopCtx, this, 'agent/status', 'running')
@@ -390,7 +390,7 @@ export class ReactLoopAgent implements Agent {
       // Every step-close happens before this point on both success and
       // failure paths (step(), the request-failed branch, the catch), so the
       // finally owes only the turn boundary.
-      this.acceptingNextStep = false
+      this.acceptsNextStep = false
       try {
         if (this.turnOpen) {
           // Re-entrant turn/end listeners must route new input to a later turn.