Add LICENSE, AGENTS.md, and richer package metadata

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: 2 people

AGENTS.md

@@ -0,0 +1,59 @@
+# AGENTS.md — uapi-sdk-php
+
+This file tells AI coding agents how to use the **official PHP SDK** for
+the [uapis.cn](https://uapis.cn) public API platform.
+
+## What this package is
+
+Idiomatic PHP client for UAPI, targeting PHP 8.1+. Generated from the live
+OpenAPI 3.1 spec at <https://uapis.cn/openapi.json>.
+
+## Install
+
+```bash
+composer require axt-team/uapi-sdk-php
+```
+
+## Quick start
+
+```php
+<?php
+require_once 'vendor/autoload.php';
+
+use Uapi\UapiClient;
+use Uapi\Models\GetMiscWeatherRequest;
+
+$client = new UapiClient('https://uapis.cn');
+$weather = $client->misc->getMiscWeather(new GetMiscWeatherRequest(city: '北京'));
+print_r($weather);
+```
+
+The client is grouped by tag (`misc`, `network`, `text`, `image`, `social`,
+`translate`, `search`, …). Method names match the OpenAPI `operationId`,
+camelCased.
+
+## Authentication
+
+Free-tier endpoints work with no key. Paid endpoints take a key:
+
+```php
+$client = new UapiClient('https://uapis.cn', apiKey: 'sk_…');
+```
+
+## Errors
+
+Methods throw `Uapi\Exceptions\UapiApiException` on non-2xx responses. The
+exception carries `code`, `error`, and `requestId` properties. Surface
+`error` verbatim.
+
+## Rate limits
+
+Headers `X-RateLimit-Limit`, `X-RateLimit-Remaining`, `X-RateLimit-Reset`,
+`Retry-After` are exposed on responses. Honor them.
+
+## Related repos
+
+- MCP server: <https://github.com/AxT-Team/uapi-mcp>.
+- Skills bundle: <https://github.com/AxT-Team/uapi-agent-skills>.
+- Other languages: `uapi-sdk-typescript`, `uapi-sdk-python`, `uapi-sdk-go`,
+  `uapi-sdk-rust`, `uapi-sdk-java`, `uapi-sdk-csharp`, `uapi-sdk-cpp`.

LICENSE

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+MIT License
+
+Copyright (c) 2025 AxT-Team / UAPI
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

composer.json

@@ -1,6 +1,44 @@
 {
   "name": "axt-team/uapi-sdk-php",
+  "description": "Official PHP SDK for UAPI / uapis.cn — typed PHP 8.1+ wrapper around 100+ free public-API endpoints (network, text, image, social, translation, search). Generated from the live OpenAPI 3.1 spec.",
   "type": "library",
-  "require": { "php": ">=8.1", "guzzlehttp/guzzle": "^7.8" },
-  "autoload": { "psr-4": { "Uapi\\": "src/" } }
+  "license": "MIT",
+  "homepage": "https://uapis.cn/docs/sdk/php",
+  "keywords": [
+    "uapi",
+    "uapis",
+    "uapis.cn",
+    "sdk",
+    "php",
+    "public-api",
+    "free-api",
+    "rest",
+    "rest-api",
+    "openapi",
+    "client",
+    "http",
+    "ai",
+    "agent"
+  ],
+  "authors": [
+    {
+      "name": "UAPI",
+      "email": "dev@uapis.cn",
+      "homepage": "https://uapis.cn"
+    }
+  ],
+  "support": {
+    "issues": "https://github.com/AxT-Team/uapi-sdk-php/issues",
+    "source": "https://github.com/AxT-Team/uapi-sdk-php",
+    "docs": "https://uapis.cn/docs"
+  },
+  "require": {
+    "php": ">=8.1",
+    "guzzlehttp/guzzle": "^7.8"
+  },
+  "autoload": {
+    "psr-4": {
+      "Uapi\\": "src/"
+    }
+  }
 }