feat(security): migrate content scanning and bounce detection to Rust security bridge; add scanContent IPC command and Rust content scanner with tests; update TS RustSecurityBridge and callers, and adjust CI package references

dist_ts/mail/core/classes.bouncemanager.d.ts

@@ -165,21 +165,6 @@ export declare class BounceManager {
         type: BounceType;
         category: BounceCategory;
     } | null;
-    /**
-     * Analyze SMTP response and diagnostic codes to determine bounce type
-     * @param smtpResponse SMTP response string
-     * @param diagnosticCode Diagnostic code from bounce
-     * @param statusCode Status code from bounce
-     * @returns Detected bounce type and category
-     */
-    private detectBounceType;
-    /**
-     * Check if text matches any pattern for a bounce type
-     * @param text Text to check against patterns
-     * @param bounceType Bounce type to get patterns for
-     * @returns Whether the text matches any pattern
-     */
-    private matchesPattern;
     /**
      * Get all known hard bounced addresses
      * @returns Array of hard bounced email addresses