diff --git a/extensions/memory-core/src/short-term-promotion.test.ts b/extensions/memory-core/src/short-term-promotion.test.ts
index 78580425f8e2..d36ed11c8ab8 100644
--- a/extensions/memory-core/src/short-term-promotion.test.ts
+++ b/extensions/memory-core/src/short-term-promotion.test.ts
@@ -459,6 +459,71 @@ describe("short-term promotion", () => {
     });
   });
 
+  it("ignores raw session and transcript snippets when recording short-term recalls", async () => {
+    await withTempWorkspace(async (workspaceDir) => {
+      await recordShortTermRecalls({
+        workspaceDir,
+        query: "session recap",
+        results: [
+          {
+            path: "memory/2026-06-18.md",
+            source: "memory",
+            startLine: 1,
+            endLine: 1,
+            score: 0.92,
+            snippet:
+              "Session: 2026-06-18 10:37:05 EDT; Session Key: agent:cody:discord:channel:1502199757592989836; Session ID: 6d52b6a2-a2e1-4839-a69a-a532b9090a6d; Source: discord",
+          },
+          {
+            path: "memory/2026-06-18.md",
+            source: "memory",
+            startLine: 2,
+            endLine: 2,
+            score: 0.91,
+            snippet: "Conversation Summary: assistant: Traced all three. No changes made.",
+          },
+          {
+            path: "memory/2026-06-18.md",
+            source: "memory",
+            startLine: 3,
+            endLine: 3,
+            score: 0.9,
+            snippet:
+              "user: Save important context from this session to the daily memory file. STRICT RULES: 1. The file MUST be named exactly memory/2026-06-18.md",
+          },
+        ],
+      });
+
+      const store = await testing.readRecallStore(workspaceDir, new Date().toISOString());
+      expect(store.version).toBe(1);
+      expect(store.entries).toEqual({});
+    });
+  });
+
+  it("ignores already-promoted score metadata snippets when recording short-term recalls", async () => {
+    await withTempWorkspace(async (workspaceDir) => {
+      await recordShortTermRecalls({
+        workspaceDir,
+        query: "promotion metadata",
+        results: [
+          {
+            path: "memory/2026-06-18.md",
+            source: "memory",
+            startLine: 1,
+            endLine: 1,
+            score: 0.94,
+            snippet:
+              "2026-06-13 09:20 America/New_York - Polycore PR #112 re-review... [score=0.837 recalls=0 avg=0.620 source=memory/2026-06-13.md:10-12]",
+          },
+        ],
+      });
+
+      const store = await testing.readRecallStore(workspaceDir, new Date().toISOString());
+      expect(store.version).toBe(1);
+      expect(store.entries).toEqual({});
+    });
+  });
+
   it("keeps ordinary snippets that only quote dreaming prompt markers", async () => {
     await withTempWorkspace(async (workspaceDir) => {
       await recordShortTermRecalls({
@@ -1595,6 +1660,38 @@ describe("short-term promotion", () => {
     ).toBe(true);
   });
 
+  it("treats raw session metadata snippets as contaminated", () => {
+    expect(
+      testing.isContaminatedDreamingSnippet(
+        "Session: 2026-06-18 10:37:05 EDT; Session Key: agent:cody:discord:channel:1502199757592989836; Session ID: 6d52b6a2-a2e1-4839-a69a-a532b9090a6d; Source: discord",
+      ),
+    ).toBe(true);
+  });
+
+  it("treats raw conversation summaries as contaminated", () => {
+    expect(
+      testing.isContaminatedDreamingSnippet(
+        "Conversation Summary: assistant: Traced all three. No changes made.",
+      ),
+    ).toBe(true);
+  });
+
+  it("treats raw transcript turns as contaminated", () => {
+    expect(
+      testing.isContaminatedDreamingSnippet(
+        "user: Save important context from this session to the daily memory file. STRICT RULES: 1. The file MUST be named exactly memory/2026-06-18.md",
+      ),
+    ).toBe(true);
+  });
+
+  it("treats promotion score metadata as contaminated", () => {
+    expect(
+      testing.isContaminatedDreamingSnippet(
+        "Polycore PR #112 re-review... [score=0.837 recalls=0 avg=0.620 source=memory/2026-06-13.md:10-12]",
+      ),
+    ).toBe(true);
+  });
+
   it("does not treat prose that mentions the word Candidate as contaminated", () => {
     expect(
       testing.isContaminatedDreamingSnippet(
diff --git a/extensions/memory-core/src/short-term-promotion.ts b/extensions/memory-core/src/short-term-promotion.ts
index 052eac94a339..1d1680b46758 100644
--- a/extensions/memory-core/src/short-term-promotion.ts
+++ b/extensions/memory-core/src/short-term-promotion.ts
@@ -74,6 +74,14 @@ const PHASE_SIGNAL_REM_BOOST_MAX = 0.09;
 const PHASE_SIGNAL_HALF_LIFE_DAYS = 14;
 const DREAMING_TRANSCRIPT_PROMPT_LINE_RE =
   /\[[^\]]*dreaming-narrative[^\]]*]\s*(?:User|Assistant):\s*Write a dream diary entry from these memory fragments:?/i;
+const RAW_SESSION_METADATA_RE =
+  /\bSession Key\b.{0,260}\bSession ID\b|\bSession ID\b.{0,260}\bSession Key\b/i;
+const RAW_CONVERSATION_SUMMARY_RE = /^(?:[-*+]\s*)?Conversation Summary:/i;
+const RAW_TRANSCRIPT_TURN_RE = /^(?:[-*+]\s*)?(?:user|assistant):\s/i;
+const MEMORY_FLUSH_PROMPT_RE =
+  /Save important context from this session to the daily memory file\.\s*STRICT RULES:/i;
+const PROMOTION_SCORE_METADATA_RE =
+  /\[\s*score=\d+(?:\.\d+)?\s+recalls=\d+\s+avg=\d+(?:\.\d+)?\s+source=memory\//i;
 const DREAMING_DIFF_PREFIX_RE = /@@\s*-\d+(?:,\d+)?\s+[-*+]\s+/iy;
 const GENERIC_DAY_HEADING_RE =
   /^(?:(?:mon|monday|tue|tues|tuesday|wed|wednesday|thu|thur|thurs|thursday|fri|friday|sat|saturday|sun|sunday)(?:,\s+)?)?(?:(?:jan|january|feb|february|mar|march|apr|april|may|jun|june|jul|july|aug|august|sep|sept|september|oct|october|nov|november|dec|december)\s+\d{1,2}(?:st|nd|rd|th)?(?:,\s*\d{4})?|\d{1,2}[/-]\d{1,2}(?:[/-]\d{2,4})?|\d{4}[/-]\d{2}[/-]\d{2})$/i;
@@ -409,7 +417,12 @@ function isContaminatedDreamingSnippet(raw: string): boolean {
   }
   if (
     /<!--\s*openclaw-memory-promotion:/i.test(snippet) ||
-    DREAMING_TRANSCRIPT_PROMPT_LINE_RE.test(snippet)
+    DREAMING_TRANSCRIPT_PROMPT_LINE_RE.test(snippet) ||
+    RAW_SESSION_METADATA_RE.test(snippet) ||
+    RAW_CONVERSATION_SUMMARY_RE.test(snippet) ||
+    RAW_TRANSCRIPT_TURN_RE.test(snippet) ||
+    MEMORY_FLUSH_PROMPT_RE.test(snippet) ||
+    PROMOTION_SCORE_METADATA_RE.test(snippet)
   ) {
     return true;
   }