Update docs for load balance, logs, and Distributed Value

docs/comfyui-distributed-api.md

@@ -22,6 +22,7 @@ This document describes the **public HTTP API** added to ComfyUI-Distributed to
   - Pings workers (`GET /prompt`) to include only reachable ones.
   - Dispatches the workflow to workers (`POST /prompt`).
   - Queues the master workflow in ComfyUI’s prompt queue.
+  - If any `DistributedCollector` has `load_balance=true`, selects one least-busy participant for this run.
 
 ### What it does *not* add
 
@@ -172,6 +173,32 @@ If you call the API from a browser (not from a backend), ensure the master Comfy
 
 ---
 
+## Log Endpoints
+
+### `GET /distributed/worker_log/{worker_id}`
+
+Read log files for workers launched locally by the master UI process manager.
+
+- Intended for managed local workers.
+- Query param: `lines` (optional, default `1000`).
+
+### `GET /distributed/local_log`
+
+Read this ComfyUI instance's in-memory runtime log buffer.
+
+- Available on any ComfyUI-Distributed instance (master or worker).
+- Query param: `lines` (optional, default `300`, max `3000`).
+
+### `GET /distributed/remote_worker_log/{worker_id}`
+
+Proxy endpoint on master that fetches logs from a configured remote/cloud worker's
+`/distributed/local_log`.
+
+- Intended for remote/cloud workers in master config.
+- Query param: `lines` (optional, default `300`, max `3000`).
+
+---
+
 ## Examples
 
 ### 1) Minimal `curl`