From 049a259332ee6aec75204b0fc76db55a328f49a0 Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Sun, 15 Feb 2026 14:53:24 +0900
Subject: [PATCH] feat: implement SQLite backend for stripThinkingParts via
 HTTP DELETE

---
 .../storage/thinking-strip.ts                 | 37 ++++++++++++++++++-
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/src/hooks/session-recovery/storage/thinking-strip.ts b/src/hooks/session-recovery/storage/thinking-strip.ts
index 97b32d5c8..27295b186 100644
--- a/src/hooks/session-recovery/storage/thinking-strip.ts
+++ b/src/hooks/session-recovery/storage/thinking-strip.ts
@@ -1,12 +1,15 @@
 import { existsSync, readdirSync, readFileSync, unlinkSync } from "node:fs"
 import { join } from "node:path"
+import type { PluginInput } from "@opencode-ai/plugin"
 import { PART_STORAGE, THINKING_TYPES } from "../constants"
 import type { StoredPart } from "../types"
-import { log, isSqliteBackend } from "../../../shared"
+import { log, isSqliteBackend, deletePart } from "../../../shared"
+
+type OpencodeClient = PluginInput["client"]
 
 export function stripThinkingParts(messageID: string): boolean {
   if (isSqliteBackend()) {
-    log("[session-recovery] Disabled on SQLite backend: stripThinkingParts")
+    log("[session-recovery] Disabled on SQLite backend: stripThinkingParts (use async variant)")
     return false
   }
 
@@ -31,3 +34,33 @@ export function stripThinkingParts(messageID: string): boolean {
 
   return anyRemoved
 }
+
+export async function stripThinkingPartsAsync(
+  client: OpencodeClient,
+  sessionID: string,
+  messageID: string
+): Promise<boolean> {
+  try {
+    const response = await client.session.messages({ path: { id: sessionID } })
+    const messages = (response.data ?? []) as Array<{ parts?: Array<{ type: string; id: string }> }>
+
+    const targetMsg = messages.find((m) => {
+      const info = (m as Record<string, unknown>)["info"] as Record<string, unknown> | undefined
+      return info?.["id"] === messageID
+    })
+    if (!targetMsg?.parts) return false
+
+    let anyRemoved = false
+    for (const part of targetMsg.parts) {
+      if (THINKING_TYPES.has(part.type)) {
+        const deleted = await deletePart(client, sessionID, messageID, part.id)
+        if (deleted) anyRemoved = true
+      }
+    }
+
+    return anyRemoved
+  } catch (error) {
+    log("[session-recovery] stripThinkingPartsAsync failed", { error: String(error) })
+    return false
+  }
+}