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<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Eric X. Liu's Personal Page</title><link>https://ericxliu.me/</link><description>Recent content on Eric X. Liu's Personal Page</description><generator>Hugo</generator><language>en</language><lastBuildDate>Thu, 22 Jan 2026 01:49:53 +0000</lastBuildDate><atom:link href="https://ericxliu.me/index.xml" rel="self" type="application/rss+xml"/><item><title>How I Built a Blog Agent that Writes About Itself</title><link>https://ericxliu.me/posts/reverse-engineering-antigravity-ide/</link><pubDate>Fri, 16 Jan 2026 00:00:00 +0000</pubDate><guid>https://ericxliu.me/posts/reverse-engineering-antigravity-ide/</guid><description>&lt;p&gt;I&amp;rsquo;ve been spending a lot of time &amp;ldquo;vibe coding&amp;rdquo; in the Antigravity IDE lately. It&amp;rsquo;s an incredible flow state—intense, iterative, and fast. But it has a major flaw: the context is ephemeral. Once the session is over, that rich history of decisions, wrong turns, and &amp;ldquo;aha!&amp;rdquo; moments is locked away in an opaque, internal format.&lt;/p&gt;
<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Eric X. Liu's Personal Page</title><link>https://ericxliu.me/</link><description>Recent content on Eric X. Liu's Personal Page</description><generator>Hugo</generator><language>en</language><lastBuildDate>Thu, 22 Jan 2026 05:10:58 +0000</lastBuildDate><atom:link href="https://ericxliu.me/index.xml" rel="self" type="application/rss+xml"/><item><title>Hacking a Chinese Car Stereo to fulfill my Knight Rider dreams</title><link>https://ericxliu.me/posts/vibe-coding-from-the-jeep/</link><pubDate>Wed, 21 Jan 2026 00:00:00 +0000</pubDate><guid>https://ericxliu.me/posts/vibe-coding-from-the-jeep/</guid><description>&lt;p&gt;&amp;ldquo;Vibe coding&amp;rdquo; has become my latest obsession. It&amp;rsquo;s that flow state where the tools disappear, and you&amp;rsquo;re just manipulating logic at the speed of thought. Usually, this happens in a high-end IDE like Antigravity. But lately, I&amp;rsquo;ve been trying to answer a childhood dream.&lt;/p&gt;
&lt;p&gt;Growing up in China before the internet age, my window to the outside world was CCTV-6. Along with &lt;em&gt;Baywatch&lt;/em&gt;, one of the first American TV shows I ever watched was &lt;em&gt;Knight Rider&lt;/em&gt;. I don&amp;rsquo;t remember the exact plot lines, but the core concept stuck with me forever: KITT. A car that could talk, think, and do things for you.&lt;/p&gt;</description></item><item><title>How I Built a Blog Agent that Writes About Itself</title><link>https://ericxliu.me/posts/reverse-engineering-antigravity-ide/</link><pubDate>Fri, 16 Jan 2026 00:00:00 +0000</pubDate><guid>https://ericxliu.me/posts/reverse-engineering-antigravity-ide/</guid><description>&lt;p&gt;I&amp;rsquo;ve been spending a lot of time &amp;ldquo;vibe coding&amp;rdquo; in the Antigravity IDE lately. It&amp;rsquo;s an incredible flow state—intense, iterative, and fast. But it has a major flaw: the context is ephemeral. Once the session is over, that rich history of decisions, wrong turns, and &amp;ldquo;aha!&amp;rdquo; moments is locked away in an opaque, internal format.&lt;/p&gt;
&lt;p&gt;I wanted to capture that value. I wanted a system that could take my chaotic coding sessions and distill them into structured, technical blog posts (like the one you&amp;rsquo;re reading right now).&lt;/p&gt;</description></item><item><title>Why I Downgraded Magisk to Root My Pixel 2 XL</title><link>https://ericxliu.me/posts/rooting-pixel-2-xl-for-reverse-engineering/</link><pubDate>Wed, 07 Jan 2026 00:00:00 +0000</pubDate><guid>https://ericxliu.me/posts/rooting-pixel-2-xl-for-reverse-engineering/</guid><description>&lt;p&gt;For the past few weeks, I&amp;rsquo;ve been stuck in a stalemate with my EcoFlow Bluetooth Protocol Reverse Engineering Project. I have the hci snoop logs, I have the decompiled APK, and I have a strong suspicion about where the authentication logic is hiding. But suspicion isn&amp;rsquo;t proof.&lt;/p&gt;
&lt;p&gt;Static analysis has its limits. I found the &amp;ldquo;smoking gun&amp;rdquo; function—a native method responsible for encrypting the login payload—but understanding &lt;em&gt;how&lt;/em&gt; it constructs that payload within a strict 13-byte limit purely from assembly (ARM64) was proving to be a headache.&lt;/p&gt;</description></item><item><title>Why Your "Resilient" Homelab is Slower Than a Raspberry Pi</title><link>https://ericxliu.me/posts/debugging-authentik-performance/</link><pubDate>Fri, 02 Jan 2026 00:00:00 +0000</pubDate><guid>https://ericxliu.me/posts/debugging-authentik-performance/</guid><description>&lt;p&gt;In the world of self-hosting, there are many metrics for success: 99.9% uptime, sub-second latency, or a perfect GitOps pipeline. But for those of us running &amp;ldquo;production&amp;rdquo; at home, there is only one metric that truly matters: &lt;strong&gt;The Wife Acceptance Factor (WAF)&lt;/strong&gt;.&lt;/p&gt;
&lt;p&gt;My detailed Grafana dashboards said everything was fine. But my wife said the SSO login was &amp;ldquo;slow sometimes.&amp;rdquo; She was right. Debugging it took me down a rabbit hole of connection pooling, misplaced assumptions, and the harsh reality of running databases on distributed storage.&lt;/p&gt;</description></item><item><title>How I Got Open WebUI Talking to OpenAI Web Search</title><link>https://ericxliu.me/posts/open-webui-openai-websearch/</link><pubDate>Mon, 29 Dec 2025 00:00:00 +0000</pubDate><guid>https://ericxliu.me/posts/open-webui-openai-websearch/</guid><description>&lt;p&gt;OpenAI promised native web search in GPT‑5, but LiteLLM proxy deployments (and by extension Open WebUI) still choke on it—issue &lt;a href="https://github.com/BerriAI/litellm/issues/13042" class="external-link" target="_blank" rel="noopener"&gt;#13042&lt;/a&gt; tracks the fallout. I needed grounded answers inside Open WebUI anyway, so I built a workaround: route GPT‑5 traffic through the Responses API and mask every &lt;code&gt;web_search_call&lt;/code&gt; before the UI ever sees it.&lt;/p&gt;