From bcb47be3b0cf71990fd3ee1ec562a716aefe3571 Mon Sep 17 00:00:00 2001
From: Alex Alecu <a.marian.alexandru@gmail.com>
Date: Tue, 5 May 2026 16:38:10 +0300
Subject: [PATCH] fix(cli): preserve variant after compact

---
 .changeset/compact-thinking-level.md             |  6 ++++++
 .../src/cli/cmd/tui/component/prompt/index.tsx   |  2 ++
 .../opencode/src/kilocode/session/tui-sync.ts    |  6 ++++++
 packages/opencode/test/kilocode/tui-sync.test.ts | 16 ++++++++++++++++
 4 files changed, 30 insertions(+)
 create mode 100644 .changeset/compact-thinking-level.md
 create mode 100644 packages/opencode/src/kilocode/session/tui-sync.ts
 create mode 100644 packages/opencode/test/kilocode/tui-sync.test.ts

diff --git a/.changeset/compact-thinking-level.md b/.changeset/compact-thinking-level.md
new file mode 100644
index 00000000000..a00bd74f635
--- /dev/null
+++ b/.changeset/compact-thinking-level.md
@@ -0,0 +1,6 @@
+---
+"@kilocode/cli": patch
+"kilo-code": patch
+---
+
+Preserve the selected thinking level after compacting a session.
diff --git a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
index 8e259ec56b2..fdf661870b9 100644
--- a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
+++ b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
@@ -43,6 +43,7 @@ import { DialogSkill } from "../dialog-skill"
 import { DialogWorkspaceCreate, restoreWorkspaceSession } from "../dialog-workspace-create"
 import { DialogWorkspaceUnavailable } from "../dialog-workspace-unavailable"
 import { useArgs } from "@tui/context/args"
+import { KiloSessionTuiSync } from "@/kilocode/session/tui-sync" // kilocode_change
 
 export type PromptProps = {
   sessionID?: string
@@ -236,6 +237,7 @@ export function Prompt(props: PromptProps) {
     const sessionID = props.sessionID
     const msg = lastUserMessage()
     if (!sessionID || !msg) return
+    if (!KiloSessionTuiSync.model(msg)) return // kilocode_change
 
     const key = [sessionID, msg.id].join(":")
     if (key === syncedKey) return
diff --git a/packages/opencode/src/kilocode/session/tui-sync.ts b/packages/opencode/src/kilocode/session/tui-sync.ts
new file mode 100644
index 00000000000..2f3375677ff
--- /dev/null
+++ b/packages/opencode/src/kilocode/session/tui-sync.ts
@@ -0,0 +1,6 @@
+export namespace KiloSessionTuiSync {
+  export function model(input: { role: string; parts?: readonly { type: string }[] }) {
+    if (input.role !== "user") return false
+    return !input.parts?.some((part) => part.type === "compaction")
+  }
+}
diff --git a/packages/opencode/test/kilocode/tui-sync.test.ts b/packages/opencode/test/kilocode/tui-sync.test.ts
new file mode 100644
index 00000000000..83fb4e098cd
--- /dev/null
+++ b/packages/opencode/test/kilocode/tui-sync.test.ts
@@ -0,0 +1,16 @@
+import { describe, expect, test } from "bun:test"
+import { KiloSessionTuiSync } from "../../src/kilocode/session/tui-sync"
+
+describe("KiloSessionTuiSync.model", () => {
+  test("syncs normal user messages", () => {
+    expect(KiloSessionTuiSync.model({ role: "user", parts: [{ type: "text" }] })).toBe(true)
+  })
+
+  test("skips compaction marker user messages", () => {
+    expect(KiloSessionTuiSync.model({ role: "user", parts: [{ type: "compaction" }] })).toBe(false)
+  })
+
+  test("skips non-user messages", () => {
+    expect(KiloSessionTuiSync.model({ role: "assistant", parts: [{ type: "text" }] })).toBe(false)
+  })
+})