BREAKING CHANGE(config): convert configuration management to read-only; remove updateConfiguration endpoint and client-side editing

ts/cache/classes.cached.document.ts

@@ -0,0 +1,108 @@
+import * as plugins from '../plugins.js';
+
+/**
+ * Base class for all cached documents with TTL support
+ *
+ * Extends smartdata's SmartDataDbDoc to add:
+ * - Automatic timestamps (createdAt, lastAccessedAt)
+ * - TTL/expiration support (expiresAt)
+ * - Helper methods for TTL management
+ */
+export abstract class CachedDocument<T extends CachedDocument<T>> extends plugins.smartdata.SmartDataDbDoc<T, T> {
+  /**
+   * Timestamp when the document was created
+   */
+  @plugins.smartdata.svDb()
+  public createdAt: Date = new Date();
+
+  /**
+   * Timestamp when the document expires and should be cleaned up
+   */
+  @plugins.smartdata.svDb()
+  public expiresAt: Date;
+
+  /**
+   * Timestamp of last access (for LRU-style eviction if needed)
+   */
+  @plugins.smartdata.svDb()
+  public lastAccessedAt: Date = new Date();
+
+  /**
+   * Set the TTL (time to live) for this document
+   * @param ttlMs Time to live in milliseconds
+   */
+  public setTTL(ttlMs: number): void {
+    this.expiresAt = new Date(Date.now() + ttlMs);
+  }
+
+  /**
+   * Set TTL using days
+   * @param days Number of days until expiration
+   */
+  public setTTLDays(days: number): void {
+    this.setTTL(days * 24 * 60 * 60 * 1000);
+  }
+
+  /**
+   * Set TTL using hours
+   * @param hours Number of hours until expiration
+   */
+  public setTTLHours(hours: number): void {
+    this.setTTL(hours * 60 * 60 * 1000);
+  }
+
+  /**
+   * Check if this document has expired
+   */
+  public isExpired(): boolean {
+    if (!this.expiresAt) {
+      return false; // No expiration set
+    }
+    return new Date() > this.expiresAt;
+  }
+
+  /**
+   * Update the lastAccessedAt timestamp
+   */
+  public touch(): void {
+    this.lastAccessedAt = new Date();
+  }
+
+  /**
+   * Get remaining TTL in milliseconds
+   * Returns 0 if expired, -1 if no expiration set
+   */
+  public getRemainingTTL(): number {
+    if (!this.expiresAt) {
+      return -1;
+    }
+    const remaining = this.expiresAt.getTime() - Date.now();
+    return remaining > 0 ? remaining : 0;
+  }
+
+  /**
+   * Extend the TTL by the specified milliseconds from now
+   * @param ttlMs Additional time to live in milliseconds
+   */
+  public extendTTL(ttlMs: number): void {
+    this.expiresAt = new Date(Date.now() + ttlMs);
+  }
+
+  /**
+   * Set the document to never expire (100 years in the future)
+   */
+  public setNeverExpires(): void {
+    this.expiresAt = new Date(Date.now() + 100 * 365 * 24 * 60 * 60 * 1000);
+  }
+}
+
+/**
+ * TTL constants in milliseconds
+ */
+export const TTL = {
+  HOURS_1: 1 * 60 * 60 * 1000,
+  HOURS_24: 24 * 60 * 60 * 1000,
+  DAYS_7: 7 * 24 * 60 * 60 * 1000,
+  DAYS_30: 30 * 24 * 60 * 60 * 1000,
+  DAYS_90: 90 * 24 * 60 * 60 * 1000,
+} as const;