fix: compaction safeguard extension not loading in production builds (openclaw#22349) thanks @Glucksberg

Verified:
- pnpm build
- pnpm check
- pnpm test:macmini (local run had unrelated baseline failures; Tak approved proceed)

Co-authored-by: Glucksberg <80581902+Glucksberg@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

src/agents/pi-embedded-runner/run/attempt.ts

@@ -3,7 +3,12 @@ import os from "node:os";
 import type { AgentMessage } from "@mariozechner/pi-agent-core";
 import type { ImageContent } from "@mariozechner/pi-ai";
 import { streamSimple } from "@mariozechner/pi-ai";
-import { createAgentSession, SessionManager, SettingsManager } from "@mariozechner/pi-coding-agent";
+import {
+  createAgentSession,
+  DefaultResourceLoader,
+  SessionManager,
+  SettingsManager,
+} from "@mariozechner/pi-coding-agent";
 import { resolveHeartbeatPrompt } from "../../../auto-reply/heartbeat.js";
 import { resolveChannelCapabilities } from "../../../config/channel-capabilities.js";
 import { getMachineDisplayName } from "../../../infra/machine-name.js";
@@ -70,7 +75,7 @@ import { resolveTranscriptPolicy } from "../../transcript-policy.js";
 import { DEFAULT_BOOTSTRAP_FILENAME } from "../../workspace.js";
 import { isRunnerAbortError } from "../abort.js";
 import { appendCacheTtlTimestamp, isCacheTtlEligibleProvider } from "../cache-ttl.js";
-import { buildEmbeddedExtensionPaths } from "../extensions.js";
+import { buildEmbeddedExtensionFactories } from "../extensions.js";
 import { applyExtraParamsToAgent } from "../extra-params.js";
 import {
   logToolSchemasForGoogle,
@@ -534,14 +539,27 @@ export async function runEmbeddedAttempt(
         cfg: params.config,
       });
 
-      // Call for side effects (sets compaction/pruning runtime state)
-      buildEmbeddedExtensionPaths({
+      // Sets compaction/pruning runtime state and returns extension factories
+      // that must be passed to the resource loader for the safeguard to be active.
+      const extensionFactories = buildEmbeddedExtensionFactories({
         cfg: params.config,
         sessionManager,
         provider: params.provider,
         modelId: params.modelId,
         model: params.model,
       });
+      // Only create an explicit resource loader when there are extension factories
+      // to register; otherwise let createAgentSession use its built-in default.
+      let resourceLoader: DefaultResourceLoader | undefined;
+      if (extensionFactories.length > 0) {
+        resourceLoader = new DefaultResourceLoader({
+          cwd: resolvedWorkspace,
+          agentDir,
+          settingsManager,
+          extensionFactories,
+        });
+        await resourceLoader.reload();
+      }
 
       // Get hook runner early so it's available when creating tools
       const hookRunner = getGlobalHookRunner();
@@ -584,6 +602,7 @@ export async function runEmbeddedAttempt(
         customTools: allCustomTools,
         sessionManager,
         settingsManager,
+        resourceLoader,
       }));
       applySystemPromptOverrideToSession(session, systemPromptText);
       if (!session) {