diff --git a/.openclaw-sync/source.json b/.openclaw-sync/source.json
index 9121eccd6..2d5dfe261 100644
--- a/.openclaw-sync/source.json
+++ b/.openclaw-sync/source.json
@@ -1,5 +1,5 @@
 {
   "repository": "openclaw/openclaw",
-  "sha": "3f63ba8fd808f46566aabbca194fa54c2d6b4871",
-  "syncedAt": "2026-04-25T05:11:57.135Z"
+  "sha": "8acc92c881abc1cc02ff5695e15b75b94e294b07",
+  "syncedAt": "2026-04-25T05:12:22.573Z"
 }
diff --git a/docs/providers/google.md b/docs/providers/google.md
index ae8e2625a..661cc7b7f 100644
--- a/docs/providers/google.md
+++ b/docs/providers/google.md
@@ -267,6 +267,7 @@ To use Google as the default TTS provider:
         google: {
           model: "gemini-3.1-flash-tts-preview",
           voiceName: "Kore",
+          audioProfile: "Speak professionally with a calm tone.",
         },
       },
     },
@@ -274,9 +275,14 @@ To use Google as the default TTS provider:
 }
 ```
 
-Gemini API TTS accepts expressive square-bracket audio tags in the text, such as
-`[whispers]` or `[laughs]`. To keep tags out of the visible chat reply while
-sending them to TTS, put them inside a `[[tts:text]]...[[/tts:text]]` block:
+Gemini API TTS uses natural-language prompting for style control. Set
+`audioProfile` to prepend a reusable style prompt before the spoken text. Set
+`speakerName` when your prompt text refers to a named speaker.
+
+Gemini API TTS also accepts expressive square-bracket audio tags in the text,
+such as `[whispers]` or `[laughs]`. To keep tags out of the visible chat reply
+while sending them to TTS, put them inside a `[[tts:text]]...[[/tts:text]]`
+block:
 
 ```text
 Here is the clean reply text.
diff --git a/docs/tools/tts.md b/docs/tools/tts.md
index 30a7104b3..16780a098 100644
--- a/docs/tools/tts.md
+++ b/docs/tools/tts.md
@@ -379,6 +379,8 @@ Then run:
 - `providers.minimax.pitch`: integer pitch shift `-12..12` (default 0). Fractional values are truncated before calling MiniMax T2A because the API rejects non-integer pitch values.
 - `providers.google.model`: Gemini TTS model (default `gemini-3.1-flash-tts-preview`).
 - `providers.google.voiceName`: Gemini prebuilt voice name (default `Kore`; `voice` is also accepted).
+- `providers.google.audioProfile`: natural-language style prompt prepended before the spoken text.
+- `providers.google.speakerName`: optional speaker label prepended before the spoken text when your TTS prompt uses a named speaker.
 - `providers.google.baseUrl`: override the Gemini API base URL. Only `https://generativelanguage.googleapis.com` is accepted.
   - If `messages.tts.providers.google.apiKey` is omitted, TTS can reuse `models.providers.google.apiKey` before env fallback.
 - `providers.gradium.baseUrl`: override Gradium API base URL (default `https://api.gradium.ai`).