Add Hermes agent, self-host fonts, new blog post

- Add Hermes (Nous Research LLM agent) with Telegram gateway,
  Ansible provisioning, and Makefile targets
- Self-host JetBrains Mono and Spectral fonts (remove Google Fonts)
- Add "An Experiment in Self-Hosting" blog post
- Update CLAUDE.md with high-level server overview

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

site/static/css/main.css

@@ -1,5 +1,96 @@
 /* ── Fonts ─────────────────────────────────────── */
-@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;1,400&family=Spectral:ital,wght@0,400;0,600;1,400&display=swap');
+
+/* JetBrains Mono — latin-ext */
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: normal;
+  font-weight: 300 500;
+  font-display: swap;
+  src: url('/fonts/jetbrains-mono-latin-ext.woff2') format('woff2');
+  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* JetBrains Mono — latin */
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: normal;
+  font-weight: 300 500;
+  font-display: swap;
+  src: url('/fonts/jetbrains-mono-latin.woff2') format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+/* JetBrains Mono italic — latin-ext */
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: italic;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/jetbrains-mono-italic-400-latin-ext.woff2') format('woff2');
+  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* JetBrains Mono italic — latin */
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: italic;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/jetbrains-mono-italic-400-latin.woff2') format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+
+/* Spectral — latin-ext */
+@font-face {
+  font-family: 'Spectral';
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/spectral-400-latin-ext.woff2') format('woff2');
+  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* Spectral — latin */
+@font-face {
+  font-family: 'Spectral';
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/spectral-400-latin.woff2') format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+/* Spectral 600 — latin-ext */
+@font-face {
+  font-family: 'Spectral';
+  font-style: normal;
+  font-weight: 600;
+  font-display: swap;
+  src: url('/fonts/spectral-600-latin-ext.woff2') format('woff2');
+  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* Spectral 600 — latin */
+@font-face {
+  font-family: 'Spectral';
+  font-style: normal;
+  font-weight: 600;
+  font-display: swap;
+  src: url('/fonts/spectral-600-latin.woff2') format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
+/* Spectral italic — latin-ext */
+@font-face {
+  font-family: 'Spectral';
+  font-style: italic;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/spectral-italic-400-latin-ext.woff2') format('woff2');
+  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* Spectral italic — latin */
+@font-face {
+  font-family: 'Spectral';
+  font-style: italic;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/spectral-italic-400-latin.woff2') format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
 
 /* ── Reset ─────────────────────────────────────── */
 *, *::before, *::after {