fix: per-agent model fallbacks (#583) (thanks @mitschabaude-bot)

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Cron: accept ISO timestamps for one-shot schedules (UTC) and allow optional delete-after-run; wired into CLI + macOS editor.
 - Gateway: add Tailscale binary discovery, custom bind mode, and probe auth retry for password changes. (#740 — thanks @jeffersonwarrior)
 - Agents: add compaction mode config with optional safeguard summarization for long histories. (#700 — thanks @thewilloftheshadow)
+- Agents: support per-agent model fallbacks via `agents.list[].model`. (#583 — thanks @mitschabaude-bot)
 - Tools: add tool profiles plus group shorthands for tool policy allow/deny (global, per-agent, sandbox).
 
 ### Fixes

src/agents/model-fallback.test.ts

@@ -177,7 +177,7 @@ describe("runWithModelFallback", () => {
       run: async (provider, model) => {
         calls.push({ provider, model });
         if (provider === "anthropic") {
-          throw new Error("primary failed");
+          throw Object.assign(new Error("nope"), { status: 401 });
         }
         if (provider === "openai" && model === "gpt-4.1") {
           return "ok";

src/auto-reply/reply/agent-runner.ts

@@ -1,8 +1,8 @@
 import crypto from "node:crypto";
 import fs from "node:fs";
+import { resolveAgentModelFallbacksOverride } from "../../agents/agent-scope.js";
 import { runCliAgent } from "../../agents/cli-runner.js";
 import { getCliSessionId, setCliSessionId } from "../../agents/cli-session.js";
-import { resolveAgentModelFallbacksOverride } from "../../agents/agent-scope.js";
 import { lookupContextTokens } from "../../agents/context.js";
 import { DEFAULT_CONTEXT_TOKENS } from "../../agents/defaults.js";
 import { resolveModelAuthMode } from "../../agents/model-auth.js";

src/auto-reply/reply/directive-handling.ts

@@ -1,10 +1,8 @@
-import { resolveClawdbotAgentDir } from "../../agents/agent-paths.js";
 import {
-  resolveAgentConfig,
   resolveAgentDir,
+  resolveAgentModelPrimary,
   resolveDefaultAgentId,
   resolveSessionAgentId,
-  resolveAgentModelPrimary,
 } from "../../agents/agent-scope.js";
 import {
   isProfileInCooldown,