fix: preserve Pi projection continuity

tests/fixtures/pi-0.84.2-projector-fixtures.ts

@@ -121,3 +121,45 @@ export const PI_084_TEXT_TURN = {
     tokens: { input: 12, output: 4, cacheRead: 2, cacheWrite: 0, total: 18 },
   },
 } as const;
+
+export const PI_084_AUTO_RETRY_FAILURE_EVENTS = [
+  {
+    type: 'auto_retry_start',
+    attempt: 3,
+    maxAttempts: 3,
+    delayMs: 1000,
+    errorMessage: 'sensitive provider retry detail',
+  },
+  {
+    type: 'auto_retry_end',
+    success: false,
+    attempt: 3,
+    finalError: 'sensitive final provider detail',
+  },
+  { type: 'agent_settled' },
+] as const;
+
+export const PI_084_SUMMARIZATION_RETRY_FAILURE_EVENTS = [
+  { type: 'compaction_start', reason: 'threshold' },
+  {
+    type: 'summarization_retry_scheduled',
+    attempt: 1,
+    maxAttempts: 2,
+    delayMs: 500,
+    errorMessage: 'sensitive summary provider detail',
+  },
+  {
+    type: 'summarization_retry_attempt_start',
+    source: 'compaction',
+    reason: 'threshold',
+  },
+  { type: 'summarization_retry_finished' },
+  {
+    type: 'compaction_end',
+    reason: 'threshold',
+    aborted: false,
+    willRetry: false,
+    errorMessage: 'sensitive exhausted summary detail',
+  },
+  { type: 'agent_settled' },
+] as const;