From 168b0042c721e83001ee302d20415c84ac8706a0 Mon Sep 17 00:00:00 2001
From: Hermes <hermes@hal9000.home>
Date: Mon, 17 Aug 2026 11:53:24 +0500
Subject: [PATCH] =?UTF-8?q?fix:=20=D0=BE=D1=82=D0=BA=D1=80=D1=8B=D1=82?=
 =?UTF-8?q?=D1=8C=20=D0=B1=D1=83=D1=84=D0=B5=D1=80=20bufio.Scanner=20?=
 =?UTF-8?q?=D0=B4=D0=BE=2064=D0=9C=D0=91=20=E2=80=94=20NDJSON-=D1=81=D1=82?=
 =?UTF-8?q?=D1=80=D0=BE=D0=BA=D0=B0=20=D1=81=20text-=D0=BF=D0=B0=D1=80?=
 =?UTF-8?q?=D1=82=D0=BE=D0=BC=20=D0=B2=D0=B5=D1=80=D0=B4=D0=B8=D0=BA=D1=82?=
 =?UTF-8?q?=D0=B0=20>64=D0=9A=D0=91=20=D1=80=D0=BE=D0=BD=D1=8F=D0=BB=D0=B0?=
 =?UTF-8?q?=20=D1=81=D0=BA=D0=B0=D0=BD=D0=B5=D1=80=20(ErrTooLong),=20?=
 =?UTF-8?q?=D1=82=D0=B5=D1=80=D1=8F=D0=BB=D1=81=D1=8F=20=D0=B2=D0=B5=D1=81?=
 =?UTF-8?q?=D1=8C=20=D0=BF=D0=BE=D1=82=D0=BE=D0=BA=20=D0=BF=D0=BE=D1=81?=
 =?UTF-8?q?=D0=BB=D0=B5=20=D0=BF=D0=B5=D1=80=D0=B2=D0=BE=D0=B3=D0=BE=20?=
 =?UTF-8?q?=D1=81=D0=BE=D0=B1=D1=8B=D1=82=D0=B8=D1=8F=20(step=5Fstart);=20?=
 =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D1=82=D1=8C=20=D0=B4=D0=B8?=
 =?UTF-8?q?=D0=B0=D0=B3.=20=D0=BB=D0=BE=D0=B3=20lines/bytes/scanerr?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 internal/opencode/runner.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/internal/opencode/runner.go b/internal/opencode/runner.go
index db8eac6..a99b390 100644
--- a/internal/opencode/runner.go
+++ b/internal/opencode/runner.go
@@ -158,6 +158,10 @@ func (r *Runner) Run(ctx context.Context, prompt, cwd, agent, sessionID string)
 	go func() {
 		defer close(done)
 		sc := bufio.NewScanner(stdout)
+		// NDJSON opencode пишет каждый объект одной строкой; большой text-парт с
+		// вердиктом легко превышает дефолтный лимит Scanner в 64КБ → ErrTooLong и
+		// потеря всего потока после первой строки. Поднимаем до 64МБ.
+		sc.Buffer(make([]byte, 64*1024), 64*1024*1024)
 		for sc.Scan() {
 			line := sc.Text()
 			mu.Lock()
@@ -171,6 +175,10 @@ func (r *Runner) Run(ctx context.Context, prompt, cwd, agent, sessionID string)
 				}
 			}
 		}
+		scanErr := sc.Err()
+		if scanErr != nil {
+			r.logf("opencode(%s) scan err: %v", agent, scanErr)
+		}
 	}()
 
 	baseline, _ := r.maxDirMsgTS(ctx, cwd)
@@ -234,6 +242,8 @@ pollLoop:
 	out := strings.Join(buf, "\n")
 	mu.Unlock()
 
+	r.logf("opencode(%s) lines=%d bytes=%d", agent, len(buf), len(out))
+
 	sid := sessionID
 	if s, ok := SessionIDFromOutput(out); ok {
 		sid = s