feat: alert rules management UI

- Add Alert Rules panel between Alerts and Filters sections
- List all rules with severity badge, on/off toggle, conditions preview
- Add Rule button opens modal with form for name, severity, message, conditions
- Edit existing rules inline
- Delete rules with confirmation
- Condition builder supports eq, neq, contains, in, after_hours operators

backend/frontend/index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Admin Operations Center</title>
-  <link rel="stylesheet" href="/style.css?v=13" />
+  <link rel="stylesheet" href="/style.css?v=14" />
   <script defer src="https://cdn.jsdelivr.net/npm/alpinejs@3.x.x/dist/cdn.min.js"></script>
   <script src="https://alcdn.msauth.net/browser/2.37.0/js/msal-browser.min.js" crossorigin="anonymous"></script>
 </head>
@@ -119,6 +119,96 @@
       </div>
     </section>
 
+    <section class="panel">
+      <div class="panel-header">
+        <h3>Alert Rules</h3>
+        <button type="button" class="btn--compact" @click="openRuleEditor()">+ Add rule</button>
+      </div>
+      <div class="rules-list">
+        <template x-for="rule in rules" :key="rule.id">
+          <div class="rule-card" :class="rule.enabled ? '' : 'rule-card--disabled'">
+            <div class="rule-card__meta">
+              <span class="pill" :class="rule.severity === 'high' ? 'pill--err' : (rule.severity === 'medium' ? 'pill--warn' : '')" x-text="rule.severity"></span>
+              <label class="toggle-label">
+                <input type="checkbox" :checked="rule.enabled" @change="toggleRule(rule.id, $event.target.checked)">
+                <span x-text="rule.enabled ? 'On' : 'Off'"></span>
+              </label>
+            </div>
+            <strong x-text="rule.name"></strong>
+            <p x-text="rule.message"></p>
+            <div class="rule-card__conditions">
+              <template x-for="(cond, idx) in rule.conditions" :key="idx">
+                <span class="pill pill--tag" x-text="`${cond.field} ${cond.op} ${cond.value}`"></span>
+              </template>
+            </div>
+            <div class="rule-card__actions">
+              <button type="button" class="ghost btn--compact" @click="openRuleEditor(rule)">Edit</button>
+              <button type="button" class="ghost btn--compact" @click="deleteRule(rule.id)">Delete</button>
+            </div>
+          </div>
+        </template>
+      </div>
+      <div class="rules-empty" x-show="rules.length === 0">
+        <p>No custom rules yet. Pre-built admin-ops rules are active by default. Add your own rules to detect specific patterns.</p>
+      </div>
+
+      <div id="ruleModal" class="modal hidden" role="dialog" aria-modal="true" :class="{ 'hidden': !ruleModalOpen }">
+        <div class="modal__content" style="max-width: 600px;">
+          <div class="modal__header">
+            <h3 x-text="ruleEditId ? 'Edit Rule' : 'New Rule'"></h3>
+            <button type="button" class="ghost" @click="ruleModalOpen = false">Close</button>
+          </div>
+          <form class="rule-form" @submit.prevent="saveRule()">
+            <label>
+              Name
+              <input type="text" x-model="ruleEdit.name" placeholder="e.g. Failed CA Policy" required />
+            </label>
+            <label>
+              Severity
+              <select x-model="ruleEdit.severity">
+                <option value="low">Low</option>
+                <option value="medium">Medium</option>
+                <option value="high">High</option>
+              </select>
+            </label>
+            <label>
+              Message
+              <textarea x-model="ruleEdit.message" placeholder="What should the alert say?" rows="2"></textarea>
+            </label>
+            <div class="rule-conditions">
+              <span>Conditions (all must match)</span>
+              <template x-for="(cond, idx) in ruleEdit.conditions" :key="idx">
+                <div class="condition-row">
+                  <input type="text" x-model="cond.field" placeholder="field" list="ruleFieldOptions" required />
+                  <select x-model="cond.op">
+                    <option value="eq">equals</option>
+                    <option value="neq">not equals</option>
+                    <option value="contains">contains</option>
+                    <option value="in">in list</option>
+                    <option value="after_hours">after hours</option>
+                  </select>
+                  <input type="text" x-model="cond.value" placeholder="value" :required="cond.op !== 'after_hours'" />
+                  <button type="button" class="ghost btn--compact" @click="ruleEdit.conditions.splice(idx, 1)">−</button>
+                </div>
+              </template>
+              <button type="button" class="ghost btn--compact" @click="ruleEdit.conditions.push({field:'', op:'eq', value:''})">+ Add condition</button>
+            </div>
+            <datalist id="ruleFieldOptions">
+              <option value="service"></option>
+              <option value="operation"></option>
+              <option value="result"></option>
+              <option value="actor_display"></option>
+              <option value="timestamp"></option>
+            </datalist>
+            <div class="rule-form__actions">
+              <button type="submit">Save</button>
+              <button type="button" class="ghost" @click="ruleModalOpen = false">Cancel</button>
+            </div>
+          </form>
+        </div>
+      </div>
+    </section>
+
     <section class="panel">
       <form id="filters" class="filters" @submit.prevent="resetPagination(); loadEvents()">
         <div class="filter-row">
@@ -373,6 +463,10 @@
         alertsTotal: 0,
         alertsPage: 1,
         alertsFilter: { status: 'open', severity: '' },
+        rules: [],
+        ruleModalOpen: false,
+        ruleEditId: null,
+        ruleEdit: { name: '', enabled: true, severity: 'medium', message: '', conditions: [] },
         askQuestionText: '',
         askLoading: false,
         askAnswer: '',
@@ -391,6 +485,7 @@
             await this.loadSourceHealth();
             await this.loadAlertSummary();
             await this.loadAlerts();
+            await this.loadRules();
             await this.loadEvents();
           }
         },
@@ -790,6 +885,73 @@
           } catch {}
         },
 
+        async loadRules() {
+          try {
+            const res = await fetch('/api/rules', { headers: this.authHeader() });
+            if (!res.ok) return;
+            this.rules = await res.json();
+          } catch {}
+        },
+
+        openRuleEditor(rule) {
+          if (rule) {
+            this.ruleEditId = rule.id;
+            this.ruleEdit = {
+              name: rule.name,
+              enabled: rule.enabled,
+              severity: rule.severity,
+              message: rule.message,
+              conditions: JSON.parse(JSON.stringify(rule.conditions)),
+            };
+          } else {
+            this.ruleEditId = null;
+            this.ruleEdit = { name: '', enabled: true, severity: 'medium', message: '', conditions: [] };
+          }
+          this.ruleModalOpen = true;
+        },
+
+        async saveRule() {
+          const payload = { ...this.ruleEdit };
+          try {
+            const url = this.ruleEditId ? `/api/rules/${this.ruleEditId}` : '/api/rules';
+            const method = this.ruleEditId ? 'PUT' : 'POST';
+            const res = await fetch(url, {
+              method,
+              headers: { 'Content-Type': 'application/json', ...this.authHeader() },
+              body: JSON.stringify(payload),
+            });
+            if (!res.ok) throw new Error(await res.text());
+            this.ruleModalOpen = false;
+            await this.loadRules();
+          } catch (err) {
+            alert('Failed to save rule: ' + err.message);
+          }
+        },
+
+        async toggleRule(ruleId, enabled) {
+          try {
+            const rule = this.rules.find((r) => r.id === ruleId);
+            if (!rule) return;
+            const res = await fetch(`/api/rules/${ruleId}`, {
+              method: 'PUT',
+              headers: { 'Content-Type': 'application/json', ...this.authHeader() },
+              body: JSON.stringify({ ...rule, enabled }),
+            });
+            if (res.ok) await this.loadRules();
+          } catch {}
+        },
+
+        async deleteRule(ruleId) {
+          if (!confirm('Delete this rule?')) return;
+          try {
+            const res = await fetch(`/api/rules/${ruleId}`, {
+              method: 'DELETE',
+              headers: this.authHeader(),
+            });
+            if (res.ok) await this.loadRules();
+          } catch {}
+        },
+
         async askQuestion() {
           const q = this.askQuestionText.trim();
           if (!q) return;

backend/frontend/style.css

@@ -818,6 +818,130 @@ input {
   border-radius: 10px;
 }
 
+/* Rules management */
+.rules-list {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.rule-card {
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 12px 14px;
+  background: rgba(255, 255, 255, 0.02);
+}
+
+.rule-card--disabled {
+  opacity: 0.6;
+}
+
+.rule-card__meta {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+  margin-bottom: 6px;
+  flex-wrap: wrap;
+}
+
+.toggle-label {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 12px;
+  color: var(--muted);
+  cursor: pointer;
+}
+
+.toggle-label input[type="checkbox"] {
+  width: 14px;
+  height: 14px;
+  accent-color: var(--accent-strong);
+}
+
+.rule-card strong {
+  font-size: 14px;
+  display: block;
+  margin-bottom: 4px;
+}
+
+.rule-card p {
+  margin: 0 0 8px;
+  font-size: 13px;
+  color: var(--muted);
+  line-height: 1.4;
+}
+
+.rule-card__conditions {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  margin-bottom: 10px;
+}
+
+.rule-card__actions {
+  display: flex;
+  gap: 8px;
+}
+
+.rules-empty {
+  padding: 20px;
+  text-align: center;
+  color: var(--muted);
+  font-size: 14px;
+  border: 1px dashed var(--border);
+  border-radius: 10px;
+}
+
+.rule-form {
+  display: flex;
+  flex-direction: column;
+  gap: 14px;
+}
+
+.rule-form label {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  font-size: 14px;
+  color: var(--muted);
+}
+
+.rule-form input,
+.rule-form select,
+.rule-form textarea {
+  padding: 10px 12px;
+  border-radius: 10px;
+  border: 1px solid var(--border);
+  background: rgba(255, 255, 255, 0.02);
+  color: var(--text);
+  font-size: 14px;
+}
+
+.rule-conditions {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.condition-row {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
+
+.condition-row input,
+.condition-row select {
+  flex: 1;
+  min-width: 0;
+}
+
+.rule-form__actions {
+  display: flex;
+  gap: 10px;
+  margin-top: 8px;
+}
+
 @media (max-width: 640px) {
   .topbar {
     flex-direction: column;