fix(secrets): drop legacy talk apiKey target surface (#60717)

docs/reference/api-usage-costs.md

@@ -44,7 +44,7 @@ OpenClaw can pick up credentials from:
 - **Auth profiles** (per-agent, stored in `auth-profiles.json`).
 - **Environment variables** (e.g. `OPENAI_API_KEY`, `BRAVE_API_KEY`, `FIRECRAWL_API_KEY`).
 - **Config** (`models.providers.*.apiKey`, `tools.web.search.*`, `tools.web.fetch.firecrawl.*`,
-  `memorySearch.*`, `talk.apiKey`).
+  `memorySearch.*`, `talk.providers.*.apiKey`).
 - **Skills** (`skills.entries.<name>.apiKey`) which may export keys to the skill process env.
 
 ## Features that can spend keys
@@ -148,7 +148,7 @@ See [Models CLI](/cli/models).
 
 Talk mode can invoke **ElevenLabs** when configured:
 
-- `ELEVENLABS_API_KEY` or `talk.apiKey`
+- `ELEVENLABS_API_KEY` or `talk.providers.elevenlabs.apiKey`
 
 See [Talk mode](/nodes/talk).
 

docs/reference/secretref-credential-surface.md

@@ -38,7 +38,6 @@ Scope intent:
 - `skills.entries.*.apiKey`
 - `agents.defaults.memorySearch.remote.apiKey`
 - `agents.list[].memorySearch.remote.apiKey`
-- `talk.apiKey`
 - `talk.providers.*.apiKey`
 - `messages.tts.providers.*.apiKey`
 - `tools.web.fetch.firecrawl.apiKey`

docs/reference/secretref-user-supplied-credentials-matrix.json

@@ -575,13 +575,6 @@
       "secretShape": "secret_input",
       "optIn": true
     },
-    {
-      "id": "talk.apiKey",
-      "configFile": "openclaw.json",
-      "path": "talk.apiKey",
-      "secretShape": "secret_input",
-      "optIn": true
-    },
     {
       "id": "talk.providers.*.apiKey",
       "configFile": "openclaw.json",