Refactor help plugin, and included metadata to all plugins

plugins/infermatic-text.py

@@ -231,3 +231,25 @@ async def generate_text(room, bot, prompt, model, temperature, max_tokens):
         if not command_queue.empty():
             next_command = await command_queue.get()
             await handle_command(*next_command)
+
+
+# ---------------------------------------------------------------------------
+# Plugin Metadata
+# ---------------------------------------------------------------------------
+
+__version__ = "1.0.0"
+__author__ = "Funguy Bot"
+__description__ = "AI text generation via Infermatic API"
+__help__ = """
+<details>
+<summary><strong>!text</strong> – AI text generation (Infermatic)</summary>
+<ul>
+<li><code>!text &lt;prompt&gt;</code> – Generate text using default model</li>
+<li><code>!text --list-models</code> – List available models</li>
+<li><code>!text --use-model &lt;model&gt; &lt;prompt&gt;</code> – Specific model</li>
+<li><code>--temperature &lt;0.0-1.0&gt;</code> – Set creativity (default 0.9)</li>
+<li><code>--max-tokens &lt;number&gt;</code> – Max output length (default 2048)</li>
+</ul>
+<p>Requires <strong>INFERMATIC_API</strong> env var.</p>
+</details>
+"""