docs: refresh minimax thinking refs

docs/tools/thinking.md

@@ -21,6 +21,7 @@ title: "Thinking Levels"
   - `highest`, `max` map to `high`.
 - Provider notes:
   - Anthropic Claude 4.6 models default to `adaptive` when no explicit thinking level is set.
+  - MiniMax (`minimax/*`) on the Anthropic-compatible streaming path defaults to `thinking: { type: "disabled" }` unless you explicitly set thinking in model params or request params. This avoids leaked `reasoning_content` deltas from MiniMax's non-native Anthropic stream format.
   - Z.AI (`zai/*`) only supports binary thinking (`on`/`off`). Any non-`off` level is treated as `on` (mapped to `low`).
   - Moonshot (`moonshot/*`) maps `/think off` to `thinking: { type: "disabled" }` and any non-`off` level to `thinking: { type: "enabled" }`. When thinking is enabled, Moonshot only accepts `tool_choice` `auto|none`; OpenClaw normalizes incompatible values to `auto`.
 
@@ -57,6 +58,7 @@ title: "Thinking Levels"
 - For `openai/*`, fast mode maps to OpenAI priority processing by sending `service_tier=priority` on supported Responses requests.
 - For `openai-codex/*`, fast mode sends the same `service_tier=priority` flag on Codex Responses. OpenClaw keeps one shared `/fast` toggle across both auth paths.
 - For direct public `anthropic/*` requests, including OAuth-authenticated traffic sent to `api.anthropic.com`, fast mode maps to Anthropic service tiers: `/fast on` sets `service_tier=auto`, `/fast off` sets `service_tier=standard_only`.
+- For `minimax/*` on the Anthropic-compatible path, `/fast on` (or `params.fastMode: true`) rewrites `MiniMax-M2.7` to `MiniMax-M2.7-highspeed`.
 - Explicit Anthropic `serviceTier` / `service_tier` model params override the fast-mode default when both are set. OpenClaw still skips Anthropic service-tier injection for non-Anthropic proxy base URLs.
 
 ## Verbose directives (/verbose or /v)