diff --git a/.plans/16c-pr89-remediation-checklist.md b/.plans/16c-pr89-remediation-checklist.md
index 19046e4ee80f1a85aa47299810b88f0dc6b76a83..eded5e72215f03306956a6b7948248c5378a1cce 100644
--- a/.plans/16c-pr89-remediation-checklist.md
+++ b/.plans/16c-pr89-remediation-checklist.md
@@ -201,8 +201,8 @@ Counts: active `51` (`valid=33`, `partially-valid=18`), closed-invalid `6`
   - Threads: PRRT_kwDORLtfbc5widJw, PRRT_kwDORLtfbc5wnWv_, PRRT_kwDORLtfbc5w0_g7, PRRT_kwDORLtfbc5w1C36 (+3 duplicate thread(s))
   - Audit note: Edge schema strategy is in place across contracts/consumers (trim/normalize via schemas and decode at boundaries); CheckpointStore remains an internal repository boundary.
 
-- [ ] `C017` `REQUIRED_SNAPSHOT_PROJECTORS` includes `pending-approvals` and `thread-turns`, but `getSnapshot` doesn't query their data. If these projectors lag behind, the returned `snapshotSequence` will be lower than what the included data actually reflects, causing clients to replay already-applied events. Consider filtering `REQUIRED_SNAPSHOT_PROJECTORS` to only include projectors whose data is actually fetched in the snapshot. <details> <summary>🚀 Reply "<strong>fix it for me</strong>" or copy this <strong>AI Prompt</strong> for your agent:</summary>
-  - Status: `TODO`
+- [x] `C017` `REQUIRED_SNAPSHOT_PROJECTORS` includes `pending-approvals` and `thread-turns`, but `getSnapshot` doesn't query their data. If these projectors lag behind, the returned `snapshotSequence` will be lower than what the included data actually reflects, causing clients to replay already-applied events. Consider filtering `REQUIRED_SNAPSHOT_PROJECTORS` to only include projectors whose data is actually fetched in the snapshot. <details> <summary>🚀 Reply "<strong>fix it for me</strong>" or copy this <strong>AI Prompt</strong> for your agent:</summary>
+  - Status: `DONE`
   - Verdict: `partially-valid`
   - Severity: `Medium`
   - Area: `Checkpointing correctness`
diff --git a/apps/server/src/orchestration/Layers/ProjectionSnapshotQuery.ts b/apps/server/src/orchestration/Layers/ProjectionSnapshotQuery.ts
index d9d09c30ffaf9b261e54010d311bbe4485424af7..dfaa8c008e37b2e2a8904d2381dc31d976981bda 100644
--- a/apps/server/src/orchestration/Layers/ProjectionSnapshotQuery.ts
+++ b/apps/server/src/orchestration/Layers/ProjectionSnapshotQuery.ts
@@ -59,7 +59,14 @@ const ProjectionCheckpointDbRowSchema = ProjectionCheckpoint.mapFields(
 );
 const ProjectionStateDbRowSchema = ProjectionState;
 
-const REQUIRED_SNAPSHOT_PROJECTORS = Object.values(ORCHESTRATION_PROJECTOR_NAMES);
+const REQUIRED_SNAPSHOT_PROJECTORS = [
+  ORCHESTRATION_PROJECTOR_NAMES.projects,
+  ORCHESTRATION_PROJECTOR_NAMES.threads,
+  ORCHESTRATION_PROJECTOR_NAMES.threadMessages,
+  ORCHESTRATION_PROJECTOR_NAMES.threadActivities,
+  ORCHESTRATION_PROJECTOR_NAMES.threadSessions,
+  ORCHESTRATION_PROJECTOR_NAMES.checkpoints,
+] as const;
 
 function maxIso(left: string | null, right: string): string {
   if (left === null) {