refactor: centralize agent timeout defaults

src/gateway/server-bridge.ts

@@ -10,6 +10,7 @@ import {
   resolveModelRefFromString,
   resolveThinkingDefault,
 } from "../agents/model-selection.js";
+import { resolveAgentTimeoutMs } from "../agents/timeout.js";
 import {
   abortEmbeddedPiRun,
   isEmbeddedPiRunActive,
@@ -927,14 +928,10 @@ export function createBridgeHandlers(ctx: BridgeHandlersContext) {
           const { cfg, storePath, store, entry } = loadSessionEntry(
             p.sessionKey,
           );
-          const defaultTimeoutMs = Math.max(
-            Math.floor((cfg.agent?.timeoutSeconds ?? 600) * 1000),
-            0,
-          );
-          const timeoutMs =
-            typeof p.timeoutMs === "number" && Number.isFinite(p.timeoutMs)
-              ? Math.max(0, Math.floor(p.timeoutMs))
-              : defaultTimeoutMs;
+          const timeoutMs = resolveAgentTimeoutMs({
+            cfg,
+            overrideMs: p.timeoutMs,
+          });
           const now = Date.now();
           const sessionId = entry?.sessionId ?? randomUUID();
           const sessionEntry: SessionEntry = {