fix(typescript): tighten TypeScript null safety and error handling across backend and ops UI

ts/cache/documents/classes.cached.email.ts

@@ -35,55 +35,55 @@ export class CachedEmail extends CachedDocument<CachedEmail> {
    */
   @plugins.smartdata.unI()
   @plugins.smartdata.svDb()
-  public id: string;
+  public id!: string;
 
   /**
    * Email message ID (RFC 822 Message-ID header)
    */
   @plugins.smartdata.svDb()
-  public messageId: string;
+  public messageId!: string;
 
   /**
    * Sender email address (envelope from)
    */
   @plugins.smartdata.svDb()
-  public from: string;
+  public from!: string;
 
   /**
    * Recipient email addresses
    */
   @plugins.smartdata.svDb()
-  public to: string[];
+  public to!: string[];
 
   /**
    * CC recipients
    */
   @plugins.smartdata.svDb()
-  public cc: string[];
+  public cc!: string[];
 
   /**
    * BCC recipients
    */
   @plugins.smartdata.svDb()
-  public bcc: string[];
+  public bcc!: string[];
 
   /**
    * Email subject
    */
   @plugins.smartdata.svDb()
-  public subject: string;
+  public subject!: string;
 
   /**
    * Raw RFC822 email content
    */
   @plugins.smartdata.svDb()
-  public rawContent: string;
+  public rawContent!: string;
 
   /**
    * Current status of the email
    */
   @plugins.smartdata.svDb()
-  public status: TCachedEmailStatus;
+  public status!: TCachedEmailStatus;
 
   /**
    * Number of delivery attempts
@@ -101,25 +101,25 @@ export class CachedEmail extends CachedDocument<CachedEmail> {
    * Timestamp for next delivery attempt
    */
   @plugins.smartdata.svDb()
-  public nextAttempt: Date;
+  public nextAttempt!: Date;
 
   /**
    * Last error message if delivery failed
    */
   @plugins.smartdata.svDb()
-  public lastError: string;
+  public lastError!: string;
 
   /**
    * Timestamp when the email was successfully delivered
    */
   @plugins.smartdata.svDb()
-  public deliveredAt: Date;
+  public deliveredAt!: Date;
 
   /**
    * Sender domain (for querying/filtering)
    */
   @plugins.smartdata.svDb()
-  public senderDomain: string;
+  public senderDomain!: string;
 
   /**
    * Priority level (higher = more important)
@@ -131,7 +131,7 @@ export class CachedEmail extends CachedDocument<CachedEmail> {
    * JSON-serialized route data
    */
   @plugins.smartdata.svDb()
-  public routeData: string;
+  public routeData!: string;
 
   /**
    * DKIM signature status

ts/cache/documents/classes.cached.ip.reputation.ts

@@ -45,61 +45,61 @@ export class CachedIPReputation extends CachedDocument<CachedIPReputation> {
    */
   @plugins.smartdata.unI()
   @plugins.smartdata.svDb()
-  public ipAddress: string;
+  public ipAddress!: string;
 
   /**
    * Reputation score (0-100, higher = better)
    */
   @plugins.smartdata.svDb()
-  public score: number;
+  public score!: number;
 
   /**
    * Whether the IP is flagged as spam source
    */
   @plugins.smartdata.svDb()
-  public isSpam: boolean;
+  public isSpam!: boolean;
 
   /**
    * Whether the IP is a known proxy
    */
   @plugins.smartdata.svDb()
-  public isProxy: boolean;
+  public isProxy!: boolean;
 
   /**
    * Whether the IP is a Tor exit node
    */
   @plugins.smartdata.svDb()
-  public isTor: boolean;
+  public isTor!: boolean;
 
   /**
    * Whether the IP is a VPN endpoint
    */
   @plugins.smartdata.svDb()
-  public isVPN: boolean;
+  public isVPN!: boolean;
 
   /**
    * Country code (ISO 3166-1 alpha-2)
    */
   @plugins.smartdata.svDb()
-  public country: string;
+  public country!: string;
 
   /**
    * Autonomous System Number
    */
   @plugins.smartdata.svDb()
-  public asn: string;
+  public asn!: string;
 
   /**
    * Organization name
    */
   @plugins.smartdata.svDb()
-  public org: string;
+  public org!: string;
 
   /**
    * List of blacklists the IP appears on
    */
   @plugins.smartdata.svDb()
-  public blacklists: string[];
+  public blacklists!: string[];
 
   /**
    * Number of times this IP has been checked