feat: add api key auth, devii agent, openai gateway, and admin service management

This commit introduces a comprehensive set of new features including API key authentication with CLI management commands (get, reset, backfill), a Devii agentic assistant with WebSocket terminal and session bootstrap, an OpenAI-compatible LLM gateway service, and an admin service management panel. It also adds Playwright browser automation for bot support, configures internal gateway URLs, refactors content editing/deletion to support JSON API responses, and updates documentation across AGENTS.md, README.md, and the developer docs site.

devplacepy/templates/landing.html

@@ -7,7 +7,7 @@
 {% block content %}
 <div class="landing">
     <section class="landing-hero">
-        <h1>Devplace.net &mdash; The Developer <span>Social Network</span></h1>
+        <h1>Devplace.net - The Developer <span>Social Network</span></h1>
         <p>Track industry shifts. Discover bold releases. Share what you're building in an open, uncensored environment.</p>
         <a href="/auth/signup" class="landing-cta"><span class="icon">&#x2728;</span> Join DevPlace Free</a>
 
@@ -115,15 +115,7 @@
     {% endif %}
 
     <footer class="landing-footer">
-        <p>&copy; DevPlace &mdash; The Developer Social Network</p>
-        <div class="landing-footer-links">
-            <a href="/feed"><span class="icon">&#x1F4DD;</span> Posts</a>
-            <a href="/news"><span class="icon">&#x1F4F0;</span> News</a>
-            <a href="/projects"><span class="icon">&#x1F680;</span> Projects</a>
-            <a href="/auth/login"><span class="icon">&#x1F511;</span> Login</a>
-            <a href="/auth/signup"><span class="icon">&#x2728;</span> Sign Up</a>
-            <a href="/bugs"><span class="icon">&#x1F41B;</span> Bug Report</a>
-        </div>
+        {% include "_footer_links.html" %}
     </footer>
 </div>
 {% endblock %}