Method setMemoryFeatureEnabled

chat/app.js:4237–4276

(enabled, options = {})

            if (!session.inferenceBackend) {
                this.inferenceService.ensureSessionBackend(session);
                needsSave = true;
            }

            if (this.normalizeSessionCouncilState(session)) {
                needsSave = true;
            }

            if (needsSave) {
                sessionsToSave.push(session);
            }
        }

        // Save all migrations in parallel (non-blocking)
        if (sessionsToSave.length > 0) {
            Promise.all(sessionsToSave.map(s => chatDB.saveSession(s)))
                .catch(err => console.warn('Session migration failed:', err));
        }
    }

    /**
     * Generates a unique ID for sessions and messages using ULID.
     * Format: 5-5-5-6 lowercase (e.g., 01j7x-kqnp2-4mvwt-ghr85c)
     * Uses 21 chars: 10 timestamp (48-bit) + 11 random (55-bit)
     * @returns {string} Unique ULID with dashes for readability
     */
    generateId() {
        const raw = generateSessionId();
        return `${raw.slice(0,5)}-${raw.slice(5,10)}-${raw.slice(10,15)}-${raw.slice(15)}`;
    }

    /**
     * Normalize an ID for comparison/lookup (strip dashes, uppercase).
     * Handles both old format and new ULID format with dashes.
     * @param {string} id - ID to normalize
     * @returns {string} Normalized ID
     */
    normalizeId(id) {
        return id.replace(/-/g, '').toUpperCase();
    }

    /**
     * Formats a timestamp for display.