fix(app): terminal issues (#14435)

packages/opencode/src/pty/index.ts

@@ -41,13 +41,38 @@ export namespace Pty {
 
   const token = (ws: Socket) => {
     const data = ws.data
-    if (!data || typeof data !== "object") return
+    if (data === undefined) return
+    if (data === null) return
+    if (typeof data !== "object") return data
 
-    const events = (data as { events?: unknown }).events
-    if (events && typeof events === "object") return events
+    const id = (data as { connId?: unknown }).connId
+    if (typeof id === "number" || typeof id === "string") return id
+
+    const href = (data as { href?: unknown }).href
+    if (typeof href === "string") return href
 
     const url = (data as { url?: unknown }).url
-    if (url && typeof url === "object") return url
+    if (typeof url === "string") return url
+    if (url && typeof url === "object") {
+      const href = (url as { href?: unknown }).href
+      if (typeof href === "string") return href
+      return url
+    }
+
+    const events = (data as { events?: unknown }).events
+    if (typeof events === "number" || typeof events === "string") return events
+    if (events && typeof events === "object") {
+      const id = (events as { connId?: unknown }).connId
+      if (typeof id === "number" || typeof id === "string") return id
+
+      const id2 = (events as { connection?: unknown }).connection
+      if (typeof id2 === "number" || typeof id2 === "string") return id2
+
+      const id3 = (events as { id?: unknown }).id
+      if (typeof id3 === "number" || typeof id3 === "string") return id3
+
+      return events
+    }
 
     return data
   }
@@ -210,7 +235,7 @@ export namespace Pty {
           continue
         }
 
-        if (sub.token !== undefined && token(ws) !== sub.token) {
+        if (token(ws) !== sub.token) {
           session.subscribers.delete(ws)
           continue
         }

packages/opencode/test/pty/pty-output-isolation.test.ts

@@ -97,4 +97,48 @@ describe("pty", () => {
       },
     })
   })
+
+  test("does not leak output when socket data mutates in-place", async () => {
+    await using dir = await tmpdir({ git: true })
+
+    await Instance.provide({
+      directory: dir.path,
+      fn: async () => {
+        const a = await Pty.create({ command: "cat", title: "a" })
+        try {
+          const outA: string[] = []
+          const outB: string[] = []
+
+          const ctx = { connId: 1 }
+          const ws = {
+            readyState: 1,
+            data: ctx,
+            send: (data: unknown) => {
+              outA.push(typeof data === "string" ? data : Buffer.from(data as Uint8Array).toString("utf8"))
+            },
+            close: () => {
+              // no-op
+            },
+          }
+
+          Pty.connect(a.id, ws as any)
+          outA.length = 0
+
+          // Simulate the runtime mutating per-connection data without
+          // swapping the reference (ws.data stays the same object).
+          ctx.connId = 2
+          ws.send = (data: unknown) => {
+            outB.push(typeof data === "string" ? data : Buffer.from(data as Uint8Array).toString("utf8"))
+          }
+
+          Pty.write(a.id, "AAA\n")
+          await Bun.sleep(100)
+
+          expect(outB.join("")).not.toContain("AAA")
+        } finally {
+          await Pty.remove(a.id)
+        }
+      },
+    })
+  })
 })