feat: support relay profile selection

README.md

@@ -134,7 +134,8 @@ By default, the command fetches from For You, News, Sports, and Entertainment ta
 import { TwitterClient } from '@yuta/bird';
 
 const client = new TwitterClient({
-  relayBaseUrl: process.env.TWITTER_RELAY_BASE_URL
+  relayBaseUrl: process.env.TWITTER_RELAY_BASE_URL,
+  profileName: process.env.BIRD_PROFILE_NAME
 });
 
 // Search for tweets
@@ -185,6 +186,7 @@ const sportsNews = await client.getNews(10, {
 
 Global options:
 - `--relay-base-url <url>`: twitter safe relay base URL (defaults to `TWITTER_RELAY_BASE_URL`).
+- `--profile-name <name>`: twitter safe relay profile name (sent as `x-profile-name`).
 - `--timeout <ms>`: abort requests after the given timeout (milliseconds).
 - `--quote-depth <n>`: max quoted tweet depth in JSON output (default: 1; 0 disables).
 - `--plain`: stable output (no emoji, no color).
@@ -203,6 +205,8 @@ Write operations:
 - If GraphQL returns error `226` (“automated request”), `bird` falls back to the legacy `statuses/update.json` endpoint.
 
 Configure the relay URL with `TWITTER_RELAY_BASE_URL` or `--relay-base-url`.
+When your relay has multiple profiles, select one with `--profile-name`, `BIRD_PROFILE_NAME`, or `profileName`
+in config; bird forwards it as the `x-profile-name` header.
 
 ## Config (JSON5)
 
@@ -216,6 +220,7 @@ Example `~/.config/bird/config.json5`:
 ```json5
 {
   relayBaseUrl: "http://localhost:6900",
+  profileName: "main",
   timeoutMs: 20000,
   quoteDepth: 1
 }
@@ -223,6 +228,7 @@ Example `~/.config/bird/config.json5`:
 
 Environment shortcuts:
 - `TWITTER_RELAY_BASE_URL`
+- `BIRD_PROFILE_NAME`
 - `BIRD_TIMEOUT_MS`
 - `BIRD_QUOTE_DEPTH`