feat(ts_web): add Certificate Management documentation and ops-view-certificates reference

ts_web/readme.md

@@ -34,6 +34,13 @@ For reporting bugs, issues, or security vulnerabilities, please visit [community
 - **Security** — Security incidents from email processing
 - Bounce record management and suppression list controls
 
+### 🔐 Certificate Management
+- Domain-centric certificate overview with status indicators
+- Certificate source tracking (ACME, provision function, static)
+- Expiry date monitoring and alerts
+- Per-domain backoff status for failed provisions
+- One-click reprovisioning per domain
+
 ### 📜 Log Viewer
 - Real-time log streaming
 - Filter by log level (error, warning, info, debug)
@@ -77,6 +84,7 @@ ts_web/
     ├── ops-view-overview.ts  # Overview statistics
     ├── ops-view-network.ts   # Network monitoring
     ├── ops-view-emails.ts    # Email queue management
+    ├── ops-view-certificates.ts  # Certificate overview & reprovisioning
     ├── ops-view-logs.ts      # Log viewer
     ├── ops-view-config.ts    # Configuration display
     ├── ops-view-security.ts  # Security dashboard
@@ -132,6 +140,7 @@ removeFromSuppressionAction(email) // Remove from suppression list
   /emails/sent      → Sent emails
   /emails/failed    → Failed emails
   /emails/security  → Security incidents
+/certificates    → Certificate management
 /logs            → Log viewer
 /configuration   → System configuration
 /security        → Security dashboard