diff --git a/.github/workflows/validate-release-assets.yml b/.github/workflows/validate-release-assets.yml
index cf4b8e31f..8da8032a2 100644
--- a/.github/workflows/validate-release-assets.yml
+++ b/.github/workflows/validate-release-assets.yml
@@ -137,7 +137,7 @@ jobs:
             --validate-body-file "$RELEASE_BODY_FILE"
 
       - name: Quarantine malformed release body
-        if: steps.context.outputs.should_run == 'true' && steps.body_integrity.outcome == 'failure'
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true' && steps.body_integrity.outcome == 'failure'
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
@@ -365,7 +365,7 @@ jobs:
             }'
 
       - name: Update release body - Success
-        if: steps.context.outputs.should_run == 'true' && steps.body_integrity.outcome == 'success' && steps.validate.outputs.validation_passed == 'true'
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true' && steps.body_integrity.outcome == 'success' && steps.validate.outputs.validation_passed == 'true'
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
@@ -472,37 +472,12 @@ jobs:
             }'
 
       - name: Delete all release assets on failure
-        if: steps.context.outputs.should_run == 'true' && steps.body_integrity.outcome == 'success' && (failure() || steps.validate.outputs.validation_passed == 'false')
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true' && steps.body_integrity.outcome == 'success' && (failure() || steps.validate.outputs.validation_passed == 'false')
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           echo "❌ Validation failed - deleting all release assets"
 
-          INITIAL_STATE="${{ steps.context.outputs.draft }}"
-          if [ "$INITIAL_STATE" != "true" ]; then
-            echo "Release was published; reverting to draft before deleting assets..."
-            RELEASE_JSON=$(curl --fail-with-body --silent --show-error -X PATCH \
-              -H "Authorization: token $GH_TOKEN" \
-              -H "Accept: application/vnd.github+json" \
-              "https://api.github.com/repos/${{ github.repository }}/releases/${{ steps.context.outputs.release_id }}" \
-              -d "$(jq -n \
-                --arg tag "${{ steps.context.outputs.tag }}" \
-                --arg target_commitish "${{ steps.context.outputs.target_commitish }}" \
-                '{draft: true, tag_name: $tag, target_commitish: $target_commitish}')")
-            ACTUAL_RELEASE_TAG=$(echo "$RELEASE_JSON" | jq -r '.tag_name // empty')
-            ACTUAL_TARGET_COMMITISH=$(echo "$RELEASE_JSON" | jq -r '.target_commitish // empty')
-            if [ "$ACTUAL_RELEASE_TAG" != "${{ steps.context.outputs.tag }}" ]; then
-              echo "::error::Validation failure draft update detached release tag ${ACTUAL_RELEASE_TAG}; expected ${{ steps.context.outputs.tag }}."
-              exit 1
-            fi
-            if [ "$ACTUAL_TARGET_COMMITISH" != "${{ steps.context.outputs.target_commitish }}" ]; then
-              echo "::error::Validation failure draft update changed target_commitish ${ACTUAL_TARGET_COMMITISH}; expected ${{ steps.context.outputs.target_commitish }}."
-              exit 1
-            fi
-            echo "Release marked as draft to block downloads during remediation."
-            sleep 5
-          fi
-
           ASSET_IDS=$(curl -s -H "Authorization: token $GH_TOKEN" \
             "https://api.github.com/repos/${{ github.repository }}/releases/${{ steps.context.outputs.release_id }}/assets" \
             | jq -r '.[].id')
@@ -522,23 +497,16 @@ jobs:
           fi
 
       - name: Update release body - Failure
-        if: steps.context.outputs.should_run == 'true' && steps.body_integrity.outcome == 'success' && (failure() || steps.validate.outputs.validation_passed == 'false')
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true' && steps.body_integrity.outcome == 'success' && (failure() || steps.validate.outputs.validation_passed == 'false')
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -euo pipefail
           echo "❌ Validation failed - updating release description"
 
-          INITIAL_STATE="${{ steps.context.outputs.draft }}"
-          if [ "$INITIAL_STATE" = "true" ]; then
-              HEADER_LINE="## ❌ Release Asset Validation: FAILED"
-              STATUS_LINE="**Status**: ⛔ Draft release blocked until validation passes"
-              INTRO_LINE="Release assets failed validation checks. All assets have been deleted to prevent publishing an invalid release."
-          else
-              HEADER_LINE="## ❌ Release Asset Validation (Post-Publish): FAILED"
-              STATUS_LINE="**Status**: ⛔ Release reverted to draft while assets are rebuilt"
-              INTRO_LINE="A published release edit introduced invalid assets. The release has been reverted to draft and assets were deleted to stop further downloads."
-          fi
+          HEADER_LINE="## ❌ Release Asset Validation: FAILED"
+          STATUS_LINE="**Status**: ⛔ Draft release blocked until validation passes"
+          INTRO_LINE="Release assets failed validation checks. All assets have been deleted to prevent publishing an invalid release."
 
           CURRENT_RELEASE_JSON=$(mktemp)
           CURRENT_BODY_FILE=$(mktemp)
@@ -638,11 +606,11 @@ jobs:
       - name: Fail the workflow
         if: steps.context.outputs.should_run == 'true' && steps.body_integrity.outcome == 'success' && (failure() || steps.validate.outputs.validation_passed == 'false')
         run: |
-          echo "::error::Release asset validation failed. All assets have been deleted."
+          echo "::error::Release asset validation failed. Draft assets are deleted; published releases remain immutable for explicit remediation."
           exit 1
 
       - name: Fail malformed release body
         if: always() && steps.context.outputs.should_run == 'true' && steps.body_integrity.outcome == 'failure'
         run: |
-          echo "::error::Release body integrity failed. The release was quarantined as a draft without deleting its assets."
+          echo "::error::Release body integrity failed. Draft releases are quarantined; published releases remain immutable for explicit remediation."
           exit 1
diff --git a/Dockerfile b/Dockerfile
index c75240cb8..fde773c38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -401,6 +401,8 @@ COPY --from=release_payload /amd64/bin/pulse-agent-* /opt/pulse/bin/
 COPY --from=release_payload /amd64/bin/pulse /opt/pulse/bin/pulse-linux-amd64
 COPY --from=release_payload /arm64/bin/pulse /opt/pulse/bin/pulse-linux-arm64
 RUN chmod 755 /opt/pulse/scripts/*.sh /opt/pulse/scripts/*.ps1 && \
+    find /opt/pulse/bin -maxdepth 1 -type f -name 'pulse-agent-*' \
+        ! -name '*.sig' ! -name '*.sshsig' -exec chmod 755 {} + && \
     if [ "$TARGETARCH" = "arm64" ]; then \
         ln -sf pulse-linux-arm64 /opt/pulse/bin/pulse; \
         ln -sf /opt/pulse/bin/pulse-agent-linux-arm64 /usr/local/bin/pulse-agent; \
diff --git a/docs/release-control/v6/internal/subsystems/deployment-installability.md b/docs/release-control/v6/internal/subsystems/deployment-installability.md
index 084904784..3afb69d72 100644
--- a/docs/release-control/v6/internal/subsystems/deployment-installability.md
+++ b/docs/release-control/v6/internal/subsystems/deployment-installability.md
@@ -110,6 +110,15 @@ container. The promotion resolver, manual release trigger, rendered release
 body, current release packet, and shipped upgrade guide must agree on those
 deployment-specific paths.
 
+Images assembled from immutable release payload contexts must restore
+executable mode on copied Unified Agent binaries before creating the
+architecture-resolved `/usr/local/bin/pulse-agent` link. Detached signature
+sidecars remain non-executable. Release validation may delete invalid assets
+and rewrite validation annotations only while a release is still a draft. A
+post-publication edit is observation, not authority to mutate or destroy an
+immutable release; failed revalidation records a failing status and requires an
+explicit corrective release path.
+
 The accelerated exact-SHA release worker must preserve release-gate fidelity
 under its own resource envelope. Bounded frontend static checks and integration
 image preparation may overlap, but the full frontend test suite and the
diff --git a/scripts/installtests/build_release_assets_test.go b/scripts/installtests/build_release_assets_test.go
index 158f004f0..87cead7c7 100644
--- a/scripts/installtests/build_release_assets_test.go
+++ b/scripts/installtests/build_release_assets_test.go
@@ -202,6 +202,7 @@ func TestReleaseContainerTargetsConsumeImmutableCandidate(t *testing.T) {
 		"FROM prebuilt-runtime-base AS runtime_prebuilt",
 		"COPY --from=release_payload /amd64/bin/pulse /opt/pulse/bin/pulse-linux-amd64",
 		"COPY --from=release_payload /arm64/bin/pulse /opt/pulse/bin/pulse-linux-arm64",
+		"! -name '*.sig' ! -name '*.sshsig' -exec chmod 755 {} +",
 		"FROM alpine:3.20@sha256:",
 		"AS agent_runtime_prebuilt",
 	} {
@@ -716,13 +717,27 @@ func TestCreateReleaseUploadsPowerShellInstaller(t *testing.T) {
 		`--validate-body-file "$RELEASE_BODY_FILE"`,
 		`--expected-body-file "$CLEAN_BODY_FILE"`,
 		`Quarantine malformed release body`,
-		`The release was quarantined as a draft without deleting its assets.`,
+		`Draft releases are quarantined; published releases remain immutable for explicit remediation.`,
+		`name: Update release body - Success
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true'`,
+		`name: Delete all release assets on failure
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true'`,
+		`name: Update release body - Failure
+        if: steps.context.outputs.should_run == 'true' && steps.context.outputs.draft == 'true'`,
 	}
 	for _, needle := range validationRequired {
 		if !strings.Contains(validationWorkflow, needle) {
 			t.Fatalf("validate-release-assets.yml missing required status publication contract: %s", needle)
 		}
 	}
+	for _, forbidden := range []string{
+		"Release was published; reverting to draft before deleting assets",
+		"A published release edit introduced invalid assets",
+	} {
+		if strings.Contains(validationWorkflow, forbidden) {
+			t.Fatalf("published release validation must not retain mutation path %q", forbidden)
+		}
+	}
 }
 
 func TestCurrentStablePatchReleasePacketTracksInstallMetadata(t *testing.T) {
diff --git a/scripts/release_control/release_promotion_policy_test.py b/scripts/release_control/release_promotion_policy_test.py
index 2d6f3fb3e..4b38fa165 100644
--- a/scripts/release_control/release_promotion_policy_test.py
+++ b/scripts/release_control/release_promotion_policy_test.py
@@ -1484,7 +1484,27 @@ class ReleasePromotionPolicyTest(unittest.TestCase):
         self.assertIn("--expected-body-file \"$CLEAN_BODY_FILE\"", validation_workflow)
         self.assertIn("Quarantine malformed release body", validation_workflow)
         self.assertIn(
-            "The release was quarantined as a draft without deleting its assets.",
+            "Draft releases are quarantined; published releases remain immutable for explicit remediation.",
+            validation_workflow,
+        )
+        for step in (
+            "Quarantine malformed release body",
+            "Update release body - Success",
+            "Delete all release assets on failure",
+            "Update release body - Failure",
+        ):
+            self.assertIn(
+                f"- name: {step}\n"
+                "        if: steps.context.outputs.should_run == 'true' && "
+                "steps.context.outputs.draft == 'true'",
+                validation_workflow,
+            )
+        self.assertNotIn(
+            "Release was published; reverting to draft before deleting assets",
+            validation_workflow,
+        )
+        self.assertNotIn(
+            "A published release edit introduced invalid assets",
             validation_workflow,
         )
         self.assertIn(