diff --git a/gateway/config.py b/gateway/config.py
index 71e4d1d3fced..245784beb01b 100644
--- a/gateway/config.py
+++ b/gateway/config.py
@@ -440,6 +440,22 @@ class ChannelOverride:
         )
 
 
+# Canonical map of platforms whose primary credential is ``PlatformConfig.token``
+# and the env var it loads from. Used for empty-token warnings at config
+# validation and by the multiplex primary-startup credential gate in
+# ``gateway.run`` (#64674). Platforms absent from this map authenticate some
+# other way (session files, port-bound webhooks, api_key-only) and must never
+# be skipped for a missing token.
+PLATFORM_TOKEN_ENV_NAMES: dict["Platform", str] = {
+    Platform.TELEGRAM: "TELEGRAM_BOT_TOKEN",
+    Platform.DISCORD: "DISCORD_BOT_TOKEN",
+    Platform.SLACK: "SLACK_BOT_TOKEN",
+    Platform.MATTERMOST: "MATTERMOST_TOKEN",
+    Platform.MATRIX: "MATRIX_ACCESS_TOKEN",
+    Platform.WEIXIN: "WEIXIN_TOKEN",
+}
+
+
 @dataclass
 class PlatformConfig:
     """Configuration for a single messaging platform."""
@@ -1424,14 +1440,7 @@ def _validate_gateway_config(config: "GatewayConfig") -> None:
 
     # Warn about empty bot tokens — platforms that loaded an empty string
     # won't connect and the cause can be confusing without a log line.
-    _token_env_names = {
-        Platform.TELEGRAM: "TELEGRAM_BOT_TOKEN",
-        Platform.DISCORD: "DISCORD_BOT_TOKEN",
-        Platform.SLACK: "SLACK_BOT_TOKEN",
-        Platform.MATTERMOST: "MATTERMOST_TOKEN",
-        Platform.MATRIX: "MATRIX_ACCESS_TOKEN",
-        Platform.WEIXIN: "WEIXIN_TOKEN",
-    }
+    _token_env_names = PLATFORM_TOKEN_ENV_NAMES
     for platform, pconfig in config.platforms.items():
         if not pconfig.enabled:
             continue
diff --git a/gateway/run.py b/gateway/run.py
index fe4e021d96be..9b085594a680 100644
--- a/gateway/run.py
+++ b/gateway/run.py
@@ -1513,16 +1513,9 @@ def _platform_has_bot_credential(platform: "Platform", platform_config: "Platfor
     Platforms that do not use ``PlatformConfig.token`` always return True so we
     never skip them here (Signal session paths, port-binding HTTP adapters, etc.).
     """
-    # Keep in sync with gateway.config token env map used for empty-token warnings.
-    token_platforms = {
-        Platform.TELEGRAM,
-        Platform.DISCORD,
-        Platform.SLACK,
-        Platform.MATTERMOST,
-        Platform.MATRIX,
-        Platform.WEIXIN,
-    }
-    if platform not in token_platforms:
+    from gateway.config import PLATFORM_TOKEN_ENV_NAMES
+
+    if platform not in PLATFORM_TOKEN_ENV_NAMES:
         return True
     token = getattr(platform_config, "token", None) or ""
     if isinstance(token, str) and token.strip():
@@ -7232,6 +7225,7 @@ class GatewayRunner(GatewayAuthorizationMixin, GatewayKanbanWatchersMixin, Gatew
         
         # Initialize and connect each configured platform
         _multiplex_on = bool(getattr(self.config, "multiplex_profiles", False))
+        _multiplex_skipped_platforms: list[Platform] = []
         for platform, platform_config in self.config.platforms.items():
             if await self._abort_startup_if_shutdown_requested():
                 return True
@@ -7251,6 +7245,7 @@ class GatewayRunner(GatewayAuthorizationMixin, GatewayKanbanWatchersMixin, Gatew
                     "provide the token will still connect.",
                     platform.value,
                 )
+                _multiplex_skipped_platforms.append(platform)
                 continue
             enabled_platform_count += 1
             
@@ -7396,6 +7391,25 @@ class GatewayRunner(GatewayAuthorizationMixin, GatewayKanbanWatchersMixin, Gatew
         except Exception as e:
             logger.error("Secondary-profile adapter startup failed: %s", e, exc_info=True)
 
+        # A platform we skipped on the primary for a missing credential was
+        # supposed to be picked up by a secondary profile that owns the token.
+        # If none did, the platform is enabled in config.yaml yet silently
+        # unserved — surface it loudly so the operator sees a config problem
+        # instead of a quiet dead channel (#64674 follow-up).
+        for _skipped in _multiplex_skipped_platforms:
+            _served_by_secondary = any(
+                _skipped in _profile_map
+                for _profile_map in self._profile_adapters.values()
+            )
+            if not _served_by_secondary:
+                logger.warning(
+                    "%s is enabled but no profile (default or secondary) "
+                    "provided a bot credential for it — the platform is not "
+                    "being served. Add its token to the profile that should "
+                    "own it, or disable the platform.",
+                    _skipped.value,
+                )
+
         if connected_count == 0:
             if startup_nonretryable_errors:
                 reason = "; ".join(startup_nonretryable_errors)
diff --git a/scripts/release.py b/scripts/release.py
index 6a1d5629b64c..96b4b2fe6064 100755
--- a/scripts/release.py
+++ b/scripts/release.py
@@ -45,6 +45,7 @@ ACP_REGISTRY_MANIFEST = REPO_ROOT / "acp_registry" / "agent.json"
 
 # Auto-extracted from noreply emails + manual overrides
 AUTHOR_MAP = {
+    "doogie@spark.local": "SAMBAS123",  # PR #64986 salvage (gateway: multiplex primary bot token scope)
     "41409874+2751738943@users.noreply.github.com": "2751738943",  # PR #54785 salvage (tui: post-turn completion ownership routing)
     "Burgunthy@users.noreply.github.com": "Burgunthy",  # PR #20096 salvage (gateway: profile-based routing for inbound messages)
     "75556242+webtecnica@users.noreply.github.com": "webtecnica",  # PR #63360 salvage (nous: restore inference-api base_url)