fix: add turn check debug logs + fallback to ctx.accountId

- Add detailed debug log for turn check showing agentId, resolvedAccountId, ctxAccountId, turnOrderLen
- Add fallback: if resolveAccountId fails, use ctx.accountId directly

plugin/index.ts

@@ -623,7 +623,28 @@ export default {
       // This ensures only the current speaker can respond even for human messages.
       if (derived.channelId) {
         ensureTurnOrder(api, derived.channelId);
-        const accountId = resolveAccountId(api, ctx.agentId || "");
+
+        // Try resolveAccountId first, fall back to ctx.accountId if not found
+        let accountId = resolveAccountId(api, ctx.agentId || "");
+
+        // Debug log for turn check - log all available identifiers
+        if (shouldDebugLog(live, derived.channelId)) {
+          const turnDebug = getTurnDebugInfo(derived.channelId);
+          api.logger.info(
+            `whispergate: turn check preflight ` +
+              `agentId=${ctx.agentId ?? "undefined"} ` +
+              `resolvedAccountId=${accountId ?? "undefined"} ` +
+              `ctxAccountId=${ctx.accountId ?? "undefined"} ` +
+              `turnOrderLen=${turnDebug.turnOrder?.length ?? 0} ` +
+              `currentSpeaker=${turnDebug.currentSpeaker ?? "null"}`,
+          );
+        }
+
+        // Fallback to ctx.accountId if resolveAccountId failed
+        if (!accountId && ctx.accountId) {
+          accountId = String(ctx.accountId);
+        }
+
         if (accountId) {
           const turnCheck = checkTurn(derived.channelId, accountId);
           if (!turnCheck.allowed) {