From 5760f60a1c076a3e49accae1a533cda6d7918c4d Mon Sep 17 00:00:00 2001
From: Rodrigo Uroz <rodrigo.uroz@classdojo.com>
Date: Tue, 24 Feb 2026 16:32:41 +0000
Subject: [PATCH] Config/MemorySearch: add post-compaction force reindex toggle

(cherry picked from commit be698b8bca2931709bc43d300ac82d0c10b85d34)
---
 src/agents/memory-search.test.ts       | 1 +
 src/agents/memory-search.ts            | 7 +++++++
 src/config/schema.help.ts              | 2 ++
 src/config/schema.labels.ts            | 2 ++
 src/config/types.tools.ts              | 2 ++
 src/config/zod-schema.agent-runtime.ts | 1 +
 6 files changed, 15 insertions(+)

diff --git a/src/agents/memory-search.test.ts b/src/agents/memory-search.test.ts
index 1d04b730351..8b1b4bc3494 100644
--- a/src/agents/memory-search.test.ts
+++ b/src/agents/memory-search.test.ts
@@ -284,6 +284,7 @@ describe("memory search config", () => {
     expect(resolved?.sync.sessions).toEqual({
       deltaBytes: 100000,
       deltaMessages: 50,
+      postCompactionForce: true,
     });
   });
 
diff --git a/src/agents/memory-search.ts b/src/agents/memory-search.ts
index d00dae70639..67b07be0193 100644
--- a/src/agents/memory-search.ts
+++ b/src/agents/memory-search.ts
@@ -61,6 +61,7 @@ export type ResolvedMemorySearchConfig = {
     sessions: {
       deltaBytes: number;
       deltaMessages: number;
+      postCompactionForce: boolean;
     };
   };
   query: {
@@ -248,6 +249,10 @@ function mergeConfig(
         overrides?.sync?.sessions?.deltaMessages ??
         defaults?.sync?.sessions?.deltaMessages ??
         DEFAULT_SESSION_DELTA_MESSAGES,
+      postCompactionForce:
+        overrides?.sync?.sessions?.postCompactionForce ??
+        defaults?.sync?.sessions?.postCompactionForce ??
+        true,
     },
   };
   const query = {
@@ -315,6 +320,7 @@ function mergeConfig(
   );
   const deltaBytes = clampInt(sync.sessions.deltaBytes, 0, Number.MAX_SAFE_INTEGER);
   const deltaMessages = clampInt(sync.sessions.deltaMessages, 0, Number.MAX_SAFE_INTEGER);
+  const postCompactionForce = sync.sessions.postCompactionForce ?? true;
   return {
     enabled,
     sources,
@@ -336,6 +342,7 @@ function mergeConfig(
       sessions: {
         deltaBytes,
         deltaMessages,
+        postCompactionForce,
       },
     },
     query: {
diff --git a/src/config/schema.help.ts b/src/config/schema.help.ts
index 1fdaae873cb..5b5cb1fcc5c 100644
--- a/src/config/schema.help.ts
+++ b/src/config/schema.help.ts
@@ -930,6 +930,8 @@ export const FIELD_HELP: Record<string, string> = {
     "Requires at least this many newly appended bytes before session transcript changes trigger reindex (default: 100000). Increase to reduce frequent small reindexes, or lower for faster transcript freshness.",
   "agents.defaults.memorySearch.sync.sessions.deltaMessages":
     "Requires at least this many appended transcript messages before reindex is triggered (default: 50). Lower this for near-real-time transcript recall, or raise it to reduce indexing churn.",
+  "agents.defaults.memorySearch.sync.sessions.postCompactionForce":
+    "Forces a session memory-search reindex after compaction-triggered transcript updates (default: true). Keep enabled when compacted summaries must be immediately searchable, or disable to reduce write-time indexing pressure.",
   ui: "UI presentation settings for accenting and assistant identity shown in control surfaces. Use this for branding and readability customization without changing runtime behavior.",
   "ui.seamColor":
     "Primary accent/seam color used by UI surfaces for emphasis, badges, and visual identity cues. Use high-contrast values that remain readable across light/dark themes.",
diff --git a/src/config/schema.labels.ts b/src/config/schema.labels.ts
index 256d3c1ddb9..4cf36d40a63 100644
--- a/src/config/schema.labels.ts
+++ b/src/config/schema.labels.ts
@@ -354,6 +354,8 @@ export const FIELD_LABELS: Record<string, string> = {
   "agents.defaults.memorySearch.sync.watchDebounceMs": "Memory Watch Debounce (ms)",
   "agents.defaults.memorySearch.sync.sessions.deltaBytes": "Session Delta Bytes",
   "agents.defaults.memorySearch.sync.sessions.deltaMessages": "Session Delta Messages",
+  "agents.defaults.memorySearch.sync.sessions.postCompactionForce":
+    "Force Reindex After Compaction",
   "agents.defaults.memorySearch.query.maxResults": "Memory Search Max Results",
   "agents.defaults.memorySearch.query.minScore": "Memory Search Min Score",
   "agents.defaults.memorySearch.query.hybrid.enabled": "Memory Search Hybrid",
diff --git a/src/config/types.tools.ts b/src/config/types.tools.ts
index aaf6cb33e79..43d39285b57 100644
--- a/src/config/types.tools.ts
+++ b/src/config/types.tools.ts
@@ -402,6 +402,8 @@ export type MemorySearchConfig = {
       deltaBytes?: number;
       /** Minimum appended JSONL lines before session transcripts are reindexed. */
       deltaMessages?: number;
+      /** Force session reindex after compaction-triggered transcript updates (default: true). */
+      postCompactionForce?: boolean;
     };
   };
   /** Query behavior. */
diff --git a/src/config/zod-schema.agent-runtime.ts b/src/config/zod-schema.agent-runtime.ts
index d5b9eeedb16..28c7cfaabed 100644
--- a/src/config/zod-schema.agent-runtime.ts
+++ b/src/config/zod-schema.agent-runtime.ts
@@ -649,6 +649,7 @@ export const MemorySearchSchema = z
           .object({
             deltaBytes: z.number().int().nonnegative().optional(),
             deltaMessages: z.number().int().nonnegative().optional(),
+            postCompactionForce: z.boolean().optional(),
           })
           .strict()
           .optional(),