feat: Sprint 2 — snippets + keychain CRUD, standalone templates, clipboard/utils JS

app/backend/views/key_grid.html

@@ -0,0 +1,44 @@
+{{define "credential_grid"}}
+<div id="key-grid" class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4">
+  {{range .Keys}}
+  <div class="rounded-xl bg-white border border-outline-variant/30 p-4 hover:shadow-md transition-shadow animate-fade-in">
+    <div class="flex items-start justify-between mb-3">
+      <div class="flex items-center gap-2">
+        <div class="w-8 h-8 rounded-lg bg-tertiary/10 text-tertiary flex items-center justify-center">
+          <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.75 5.25a3 3 0 013 3m3 0a6 6 0 01-7.029 5.912c-.563-.097-1.159.026-1.563.43L10.5 17.25H8.25v2.25H6v2.25H2.25v-2.818c0-.597.237-1.17.659-1.591l6.499-6.499c.404-.404.527-1 .43-1.563A6 6 0 1121.75 8.25z"/></svg>
+        </div>
+        <div>
+          <p class="text-sm font-medium text-on-surface">{{.Name}}</p>
+          <p class="text-xs text-on-surface-variant">{{.Username}} @ {{.URL}}</p>
+        </div>
+      </div>
+      <button class="p-1.5 rounded-lg hover:bg-red-50 text-on-surface-variant hover:text-red-500 transition-colors shrink-0"
+              hx-delete="/keys/{{.ID}}" hx-target="#key-grid" hx-confirm="Delete {{.Name}}?">
+        <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/></svg>
+      </button>
+    </div>
+    <div class="flex items-center gap-2 text-xs text-on-surface-variant mb-3">
+      <span class="font-mono">{{.Passphrase}}</span>
+      <span class="text-xs font-medium px-1.5 py-0.5 rounded-full 
+        {{if eq .Strength "secure"}}bg-secondary/10 text-secondary{{else if eq .Strength "moderate"}}bg-tertiary/10 text-tertiary{{else}}bg-red-50 text-red-500{{end}}">
+        {{.Strength}}
+      </span>
+    </div>
+    <div class="flex items-center justify-between pt-3 border-t border-outline-variant/20">
+      <span class="text-xs text-on-surface-variant">{{.CreatedAt}}</span>
+      <button class="p-1.5 rounded-lg hover:bg-primary/10 text-on-surface-variant hover:text-primary transition-colors"
+              onclick="copyToClipboard('{{.Passphrase}}')" title="Copy">
+        <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z"/></svg>
+      </button>
+    </div>
+  </div>
+  {{end}}
+
+  {{if eq (len .Keys) 0}}
+  <div class="col-span-full text-center py-12 text-on-surface-variant">
+    <p class="text-lg font-medium">No keys found</p>
+    <p class="text-sm mt-1">Add your first credential</p>
+  </div>
+  {{end}}
+</div>
+{{end}}