fix: add explicit isSqliteBackend guards to pruning modules

src/hooks/anthropic-context-window-limit-recovery/pruning-deduplication.ts

@@ -4,6 +4,7 @@ import type { PruningState, ToolCallSignature } from "./pruning-types"
 import { estimateTokens } from "./pruning-types"
 import { log } from "../../shared/logger"
 import { getMessageDir } from "../../shared/opencode-message-dir"
+import { isSqliteBackend } from "../../shared/opencode-storage-detection"
 
 export interface DeduplicationConfig {
   enabled: boolean
@@ -44,6 +45,7 @@ function sortObject(obj: unknown): unknown {
 }
 
 function readMessages(sessionID: string): MessagePart[] {
+  if (isSqliteBackend()) return []
   const messageDir = getMessageDir(sessionID)
   if (!messageDir) return []
 
@@ -71,6 +73,11 @@ export function executeDeduplication(
   config: DeduplicationConfig,
   protectedTools: Set<string>
 ): number {
+  if (isSqliteBackend()) {
+    log("[pruning-deduplication] Skipping deduplication on SQLite backend")
+    return 0
+  }
+
   if (!config.enabled) return 0
 
   const messages = readMessages(sessionID)

src/hooks/anthropic-context-window-limit-recovery/pruning-tool-output-truncation.ts

@@ -4,6 +4,7 @@ import { getOpenCodeStorageDir } from "../../shared/data-path"
 import { truncateToolResult } from "./storage"
 import { log } from "../../shared/logger"
 import { getMessageDir } from "../../shared/opencode-message-dir"
+import { isSqliteBackend } from "../../shared/opencode-storage-detection"
 
 interface StoredToolPart {
   type?: string
@@ -39,6 +40,11 @@ export function truncateToolOutputsByCallId(
   sessionID: string,
   callIds: Set<string>,
 ): { truncatedCount: number } {
+  if (isSqliteBackend()) {
+    log("[auto-compact] Skipping pruning tool outputs on SQLite backend")
+    return { truncatedCount: 0 }
+  }
+
   if (callIds.size === 0) return { truncatedCount: 0 }
 
   const messageIds = getMessageIds(sessionID)