Initial commit: potluck signup app

Go + chi + SQLite + HTMX with SSE live updates.
Soft Brutalism design, emoji picker, Docker deploy.

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

templates/slots.html

@@ -0,0 +1,33 @@
+{{define "slots-inner"}}
+{{range .Slots}}
+<div class="slot-card{{if .IsFull}} full{{end}}">
+  <div class="slot-info">
+    <div class="slot-name">{{.Slot.Emoji}} {{.Slot.Name}}</div>
+    <div class="slot-claims">
+      {{if .Claims}}
+        {{range .Claims}}
+        <span class="claim-chip">
+          {{.Name}}{{if .Note}} <small style="color:#888">({{.Note}})</small>{{end}}
+          <button hx-delete="/e/{{$.Event.Slug}}/claim/{{.ID}}"
+                  hx-target="#slots-container"
+                  hx-swap="innerHTML settle:0.1s"
+                  hx-confirm="Remove {{.Name}}?"
+                  title="Remove">&#215;</button>
+        </span>
+        {{end}}
+      {{else}}
+        <span class="nobody">nobody yet</span>
+      {{end}}
+    </div>
+    <div class="progress-bar">
+      <div class="progress-fill{{if .IsFull}} full{{end}}" style="width:{{.Pct}}%"></div>
+    </div>
+  </div>
+  <div class="slot-right">
+    <span class="slot-count{{if .IsFull}} warn{{end}}">{{.ClaimCount}} / {{.Slot.MaxClaims}}{{if .IsFull}} &#10003;{{end}}</span>
+  </div>
+</div>
+{{end}}
+{{end}}
+
+{{define "slots.html"}}{{template "slots-inner" .}}{{end}}