fix: bare prompt with esc-to-interrupt is active, not idle; persist runtimeHandle in spawn metadata

packages/cli/__tests__/commands/spawn.test.ts

@@ -202,7 +202,7 @@ describe("spawn command", () => {
 
     const content = readFileSync(metaFile, "utf-8");
     expect(content).toContain("branch=feat/INT-100");
-    expect(content).toContain("status=spawning");
+    expect(content).toContain("status=working");
     expect(content).toContain("project=my-app");
     expect(content).toContain("issue=INT-100");
   });

packages/cli/src/commands/spawn.ts

@@ -164,7 +164,8 @@ async function spawnSession(
     writeMetadata(join(sessionDir, sessionName), {
       worktree: worktreePath,
       branch: liveBranch || branch || "detached",
-      status: "spawning",
+      status: "working",
+      runtimeHandle: JSON.stringify({ id: sessionName, runtimeName: "tmux" }),
       project: projectId,
       ...(issueId ? { issue: issueId } : {}),
       createdAt: new Date().toISOString(),

packages/core/src/lifecycle-manager.ts

@@ -11,6 +11,8 @@
  */
 
 import { randomUUID } from "node:crypto";
+import { join } from "node:path";
+import { existsSync } from "node:fs";
 import type {
   LifecycleManager,
   SessionManager,

packages/plugins/agent-claude-code/src/index.ts

@@ -498,7 +498,8 @@ function classifyTerminalOutput(terminalOutput: string): ActivityState {
   // Check the last line FIRST — if the prompt is visible, the agent is idle
   // regardless of historical output (e.g. "Reading file..." from earlier).
   // The ❯ is Claude Code's prompt character.
-  if (/^[❯>$#]\s*$/.test(lastLine)) return "idle";
+  // Bare prompt is idle ONLY when not actively processing (no "esc to interrupt")
+  if (/^[❯>$#]\s*$/.test(lastLine) && !hasEscToInterrupt) return "idle";
 
   // Claude Code shows inline suggestions after the prompt when idle, e.g.
   // "❯ check CI status on the PR". Distinguish from active processing by