fix: use active auth profile for auto-compaction

src/agents/pi-embedded-runner/compact.ts

@@ -74,6 +74,7 @@ export type CompactEmbeddedPiSessionParams = {
   messageChannel?: string;
   messageProvider?: string;
   agentAccountId?: string;
+  authProfileId?: string;
   /** Group id for channel-level tool policy resolution. */
   groupId?: string | null;
   /** Group channel label (e.g. #general) for channel-level tool policy resolution. */
@@ -130,6 +131,7 @@ export async function compactEmbeddedPiSessionDirect(
     const apiKeyInfo = await getApiKeyForModel({
       model,
       cfg: params.config,
+      profileId: params.authProfileId,
       agentDir,
     });
 

src/agents/pi-embedded-runner/run.overflow-compaction.test.ts

@@ -28,6 +28,7 @@ vi.mock("../model-auth.js", () => ({
   ensureAuthProfileStore: vi.fn(() => ({})),
   getApiKeyForModel: vi.fn(async () => ({
     apiKey: "test-key",
+    profileId: "test-profile",
     source: "test",
   })),
   resolveAuthProfileOrder: vi.fn(() => []),
@@ -207,6 +208,9 @@ describe("overflow compaction in run loop", () => {
     const result = await runEmbeddedPiAgent(baseParams);
 
     expect(mockedCompactDirect).toHaveBeenCalledTimes(1);
+    expect(mockedCompactDirect).toHaveBeenCalledWith(
+      expect.objectContaining({ authProfileId: "test-profile" }),
+    );
     expect(mockedRunEmbeddedAttempt).toHaveBeenCalledTimes(2);
     expect(log.warn).toHaveBeenCalledWith(
       expect.stringContaining("context overflow detected; attempting auto-compaction"),

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

@@ -373,6 +373,7 @@ export async function runEmbeddedPiAgent(
                   messageChannel: params.messageChannel,
                   messageProvider: params.messageProvider,
                   agentAccountId: params.agentAccountId,
+                  authProfileId: lastProfileId,
                   sessionFile: params.sessionFile,
                   workspaceDir: params.workspaceDir,
                   agentDir,