diff --git a/docs/gateway/protocol.md b/docs/gateway/protocol.md
index 8bb98dd989a..6020ec8b40f 100644
--- a/docs/gateway/protocol.md
+++ b/docs/gateway/protocol.md
@@ -350,8 +350,9 @@ implemented in `src/gateway/server-methods/*.ts`.
 - `chat.history` is display-normalized for UI clients: inline directive tags are
   stripped from visible text, plain-text tool-call XML payloads (including
   `<tool_calls>` and truncated tool-call blocks) and leaked ASCII/full-width
-  model control tokens are stripped, pure `NO_REPLY` assistant rows are
-  omitted, and oversized rows can be replaced with placeholders.
+  model control tokens are stripped, pure silent-token assistant rows such as
+  exact `NO_REPLY` / `no_reply` are omitted, and oversized rows can be
+  replaced with placeholders.
 
 #### Device pairing and device tokens
 
diff --git a/docs/platforms/android.md b/docs/platforms/android.md
index 84ebbef9971..6e605bee10a 100644
--- a/docs/platforms/android.md
+++ b/docs/platforms/android.md
@@ -140,8 +140,9 @@ The Android Chat tab supports session selection (default `main`, plus other exis
 - History: `chat.history` (display-normalized; inline directive tags are
   stripped from visible text, plain-text tool-call XML payloads (including
   `<tool_calls>` and truncated tool-call blocks) and leaked ASCII/full-width
-  model control tokens are stripped, pure `NO_REPLY` assistant rows are
-  omitted, and oversized rows can be replaced with placeholders)
+  model control tokens are stripped, pure silent-token assistant rows such as
+  exact `NO_REPLY` / `no_reply` are omitted, and oversized rows can be
+  replaced with placeholders)
 - Send: `chat.send`
 - Push updates (best-effort): `chat.subscribe` → `event:"chat"`
 
diff --git a/docs/platforms/mac/webchat.md b/docs/platforms/mac/webchat.md
index ffb8dcc0a74..e63386f3f1b 100644
--- a/docs/platforms/mac/webchat.md
+++ b/docs/platforms/mac/webchat.md
@@ -33,9 +33,9 @@ agent (with a session switcher for other sessions).
 - `chat.history` returns display-normalized transcript rows: inline directive
   tags are stripped from visible text, plain-text tool-call XML payloads
   (including `<tool_calls>` and truncated tool-call blocks) and leaked
-  ASCII/full-width model control tokens are stripped, pure `NO_REPLY`
-  assistant rows are omitted, and oversized rows can be replaced with
-  placeholders.
+  ASCII/full-width model control tokens are stripped, pure silent-token
+  assistant rows such as exact `NO_REPLY` / `no_reply` are omitted, and
+  oversized rows can be replaced with placeholders.
 - Session: defaults to the primary session (`main`, or `global` when scope is
   global). The UI can switch between sessions.
 - Onboarding uses a dedicated session to keep first‑run setup separate.
diff --git a/docs/web/control-ui.md b/docs/web/control-ui.md
index e0c820f3553..bcf24ab9a35 100644
--- a/docs/web/control-ui.md
+++ b/docs/web/control-ui.md
@@ -123,7 +123,7 @@ Cron jobs panel notes:
 - `chat.send` is **non-blocking**: it acks immediately with `{ runId, status: "started" }` and the response streams via `chat` events.
 - Re-sending with the same `idempotencyKey` returns `{ status: "in_flight" }` while running, and `{ status: "ok" }` after completion.
 - `chat.history` responses are size-bounded for UI safety. When transcript entries are too large, Gateway may truncate long text fields, omit heavy metadata blocks, and replace oversized messages with a placeholder (`[chat.history omitted: message too large]`).
-- `chat.history` also strips display-only inline directive tags from visible assistant text (for example `[[reply_to_*]]` and `[[audio_as_voice]]`), plain-text tool-call XML payloads (including `<tool_calls>` and truncated tool-call blocks), and leaked ASCII/full-width model control tokens, and omits assistant entries whose whole visible text is only `NO_REPLY`.
+- `chat.history` also strips display-only inline directive tags from visible assistant text (for example `[[reply_to_*]]` and `[[audio_as_voice]]`), plain-text tool-call XML payloads (including `<tool_calls>` and truncated tool-call blocks), and leaked ASCII/full-width model control tokens, and omits assistant entries whose whole visible text is only the exact silent token `NO_REPLY` / `no_reply`.
 - `chat.inject` appends an assistant note to the session transcript and broadcasts a `chat` event for UI-only updates (no agent run, no channel delivery).
 - The chat header model and thinking pickers patch the active session immediately through `sessions.patch`; they are persistent session overrides, not one-turn-only send options.
 - Stop:
diff --git a/docs/web/webchat.md b/docs/web/webchat.md
index 15c2c831f12..81252bd3350 100644
--- a/docs/web/webchat.md
+++ b/docs/web/webchat.md
@@ -30,8 +30,8 @@ Status: the macOS/iOS SwiftUI chat UI talks directly to the Gateway WebSocket.
   such as `[[reply_to_*]]` and `[[audio_as_voice]]`, plain-text tool-call XML
   payloads (including `<tool_calls>` and truncated tool-call blocks), and
   leaked ASCII/full-width model control tokens are stripped from visible text,
-  and assistant entries whose whole visible text is only `NO_REPLY` are
-  omitted.
+  and assistant entries whose whole visible text is only the exact silent
+  token `NO_REPLY` / `no_reply` are omitted.
 - `chat.inject` appends an assistant note directly to the transcript and broadcasts it to the UI (no agent run).
 - Aborted runs can keep partial assistant output visible in the UI.
 - Gateway persists aborted partial assistant text into transcript history when buffered output exists, and marks those entries with abort metadata.