diff --git a/packages/server/src/server/agent/providers/claude-agent.redesign.test.ts b/packages/server/src/server/agent/providers/claude-agent.redesign.test.ts
index 88a1e7cba..2cf173ab9 100644
--- a/packages/server/src/server/agent/providers/claude-agent.redesign.test.ts
+++ b/packages/server/src/server/agent/providers/claude-agent.redesign.test.ts
@@ -3,7 +3,7 @@ import type { Logger } from "pino";
 
 import { createTestLogger } from "../../../test-utils/test-logger.js";
 import { AgentManager } from "../agent-manager.js";
-import { ClaudeAgentClient } from "./claude-agent.js";
+import { ClaudeAgentClient, readEventIdentifiers } from "./claude-agent.js";
 import type { AgentStreamEvent, AgentTimelineItem } from "../agent-sdk-types.js";
 
 const sdkMocks = vi.hoisted(() => ({
@@ -325,13 +325,7 @@ describe("ClaudeAgentSession redesign invariants", () => {
     }
   });
 
-  test("extracts identifiers from fixture-driven protocol shape variants", async () => {
-    const spy = createSpyLogger();
-    const session = await createSessionWithLogger(spy.logger);
-    const internal = session as unknown as {
-      routeSdkMessageFromPump: (message: Record<string, unknown>) => void;
-    };
-
+  test("extracts identifiers from fixture-driven protocol shape variants", () => {
     const fixtures = [
       {
         name: "root identifiers take priority over nested variants",
@@ -406,23 +400,12 @@ describe("ClaudeAgentSession redesign invariants", () => {
       },
     ] as const;
 
-    try {
-      for (const fixture of fixtures) {
-        spy.debug.mockClear();
-        internal.routeSdkMessageFromPump(
-          fixture.message as unknown as Record<string, unknown>
-        );
-        const routingCall = spy.debug.mock.calls.find(
-          (args) => args[1] === "Claude query pump routing decision"
-        );
-        expect(routingCall).toBeDefined();
-        const payload = routingCall?.[0] as
-          | { identifiers?: Record<string, string | null> }
-          | undefined;
-        expect(payload?.identifiers).toEqual(fixture.expected);
-      }
-    } finally {
-      await session.close();
+    for (const fixture of fixtures) {
+      expect(
+        readEventIdentifiers(
+          fixture.message as unknown as Parameters<typeof readEventIdentifiers>[0]
+        )
+      ).toEqual(fixture.expected);
     }
   });
 
diff --git a/packages/server/src/server/agent/providers/claude-agent.ts b/packages/server/src/server/agent/providers/claude-agent.ts
index 1489e70af..d9162a2df 100644
--- a/packages/server/src/server/agent/providers/claude-agent.ts
+++ b/packages/server/src/server/agent/providers/claude-agent.ts
@@ -1280,7 +1280,7 @@ function isMetadataOnlySdkMessage(message: SDKMessage): boolean {
   return isTaskNotificationUserContent(message.message?.content);
 }
 
-function readEventIdentifiers(message: SDKMessage): EventIdentifiers {
+export function readEventIdentifiers(message: SDKMessage): EventIdentifiers {
   const root = message as unknown as Record<string, unknown>;
   const messageType = readTrimmedString(root.type);
   const streamEvent = root.event as Record<string, unknown> | undefined;
@@ -2445,10 +2445,6 @@ class ClaudeAgentSession implements AgentSession {
   }
 
   private emitRunEvent(run: RunRecord, event: AgentStreamEvent): void {
-    this.logger.debug(
-      { runId: run.id, owner: run.owner, eventType: event.type },
-      "Claude run event dispatch"
-    );
     if (run.owner === "foreground" && run.queue) {
       run.queue.push(event);
       if (
@@ -2480,12 +2476,6 @@ class ClaudeAgentSession implements AgentSession {
       this.preReplayMetadataSeen = false;
     }
     this.transitionTurnStateFromActiveRuns(`run ${run.id} terminal`);
-    this.logDerivedSessionLifecycle("terminal_event");
-  }
-
-  private logDerivedSessionLifecycle(context: string): void {
-    const lifecycle = this.runTracker.deriveLifecycle(this.pendingPermissions.size);
-    this.logger.debug({ lifecycle, context }, "Claude session lifecycle derived");
   }
 
   private async transitionAutonomousToForeground(): Promise<void> {
@@ -2829,17 +2819,6 @@ class ClaudeAgentSession implements AgentSession {
       }
     }
 
-    this.logger.debug(
-      {
-        routeReason: route.reason,
-        runId: route.run?.id ?? null,
-        turnState: this.turnState,
-        metadataOnly,
-        identifiers,
-      },
-      "Claude query pump routing decision"
-    );
-
     const messageEvents = this.translateMessageToEvents(message, {
       suppressAssistantText: true,
       suppressReasoning: true,
@@ -2934,17 +2913,13 @@ class ClaudeAgentSession implements AgentSession {
       message.type === "tool_progress"
     ) {
       this.runTracker.transition(run, "streaming");
-      this.logDerivedSessionLifecycle("streaming_event");
       return;
     }
 
     if (message.type === "result") {
       this.runTracker.transition(run, "finalizing");
-      this.logDerivedSessionLifecycle("result_event");
       return;
     }
-
-    this.logDerivedSessionLifecycle("non_terminal_event");
   }
 
   private shouldSuppressLocalReplayActivity(message: SDKMessage): boolean {