refactor(cli, ups-handler, daemon, migrations): remove thresholds handling and update migration order logic

ts/cli.ts

@@ -335,7 +335,7 @@ export class NupstCli {
             id: theme.dim(ups.id),
             host: `${ups.snmp.host}:${ups.snmp.port}`,
             model: ups.snmp.upsModel || 'cyberpower',
-            thresholds: `${ups.thresholds.battery}% / ${ups.thresholds.runtime}min`,
+            actions: `${(ups.actions || []).length} configured`,
             groups: ups.groups.length > 0 ? ups.groups.join(', ') : theme.dim('None'),
           }));
 
@@ -344,7 +344,7 @@ export class NupstCli {
             { header: 'ID', key: 'id', align: 'left' },
             { header: 'Host:Port', key: 'host', align: 'left', color: theme.info },
             { header: 'Model', key: 'model', align: 'left' },
-            { header: 'Battery/Runtime', key: 'thresholds', align: 'left' },
+            { header: 'Actions', key: 'actions', align: 'left' },
             { header: 'Groups', key: 'groups', align: 'left' },
           ];
 
@@ -389,9 +389,9 @@ export class NupstCli {
       } else {
         // === Legacy Single UPS Configuration ===
         
-        if (!config.snmp || !config.thresholds) {
+        if (!config.snmp) {
           logger.logBox('Configuration Error', [
-            'Error: Legacy configuration missing SNMP or threshold settings',
+            'Error: Legacy configuration missing SNMP settings',
           ], 60, 'error');
           return;
         }
@@ -435,9 +435,7 @@ export class NupstCli {
             : []
           ),
           '',
-          theme.dim('Thresholds:'),
-          `  Battery: ${theme.highlight(String(config.thresholds.battery))}%`,
-          `  Runtime: ${theme.highlight(String(config.thresholds.runtime))} minutes`,
+          
           `  Check Interval: ${config.checkInterval / 1000} seconds`,
           '',
           theme.dim('Configuration File:'),

ts/cli/ups-handler.ts

@@ -559,10 +559,6 @@ export class UpsHandler {
       );
       logger.logBoxLine(`  Battery Runtime: ${snmpConfig.customOIDs.BATTERY_RUNTIME || 'Not set'}`);
     }
-    logger.logBoxLine('Thresholds:');
-    logger.logBoxLine(`  Battery: ${thresholds.battery}%`);
-    logger.logBoxLine(`  Runtime: ${thresholds.runtime} minutes`);
-
     // Show group assignments if this is a UPS config
     if (config.groups && Array.isArray(config.groups)) {
       logger.logBoxLine(
@@ -586,7 +582,6 @@ export class UpsHandler {
     try {
       // Create a test config with a short timeout
       const snmpConfig = config.snmp ? config.snmp : config.snmp;
-      const thresholds = config.thresholds ? config.thresholds : config.thresholds;
 
       const testConfig = {
         ...snmpConfig,
@@ -603,10 +598,7 @@ export class UpsHandler {
       logger.logBoxLine(`  Runtime Remaining: ${status.batteryRuntime} minutes`);
       logger.logBoxEnd();
 
-      // Check status against thresholds if on battery
-      if (status.powerStatus === 'onBattery') {
-        this.analyzeThresholds(status, thresholds);
-      }
+      
     } catch (error) {
       const errorBoxWidth = 45;
       logger.logBoxTitle(`Connection Failed: ${upsName}`, errorBoxWidth);
@@ -1083,9 +1075,7 @@ export class UpsHandler {
     logger.logBoxLine(`SNMP Host: ${ups.snmp.host}:${ups.snmp.port}`);
     logger.logBoxLine(`SNMP Version: ${ups.snmp.version}`);
     logger.logBoxLine(`UPS Model: ${ups.snmp.upsModel}`);
-    logger.logBoxLine(
-      `Thresholds: ${ups.thresholds.battery}% battery, ${ups.thresholds.runtime} min runtime`,
-    );
+    
     if (ups.groups && ups.groups.length > 0) {
       logger.logBoxLine(`Groups: ${ups.groups.join(', ')}`);
     } else {

ts/daemon.ts

@@ -304,8 +304,6 @@ export class NupstDaemon {
           batteryRuntime: 999, // High value as default
           lastStatusChange: Date.now(),
           lastCheckTime: 0,
-          thresholdsExceeded: false,
-          lastThresholdCrossing: 0,
         });
       }
 
@@ -553,23 +551,7 @@ export class NupstDaemon {
 
   
 
-    // Check threshold conditions
-    if (
-      status.batteryCapacity < ups.thresholds.battery ||
-      status.batteryRuntime < ups.thresholds.runtime
-    ) {
-      logger.logBoxTitle(`UPS Shutdown Required: ${ups.name}`, 50);
-      logger.logBoxLine(
-        `Battery: ${status.batteryCapacity}% (threshold: ${ups.thresholds.battery}%)`,
-      );
-      logger.logBoxLine(
-        `Runtime: ${status.batteryRuntime} min (threshold: ${ups.thresholds.runtime} min)`,
-      );
-      logger.logBoxEnd();
     
-      await this.initiateShutdown(`UPS "${ups.name}" battery or runtime below threshold`);
-    }
-  }
 
   /**
    * Build action context from UPS state

ts/migrations/base-migration.ts

@@ -5,16 +5,14 @@
  * Migrations run in order based on the `order` field, allowing users to jump
  * multiple versions (e.g., v1 → v4 runs migrations 2, 3, and 4).
  */
-export abstract class BaseMigration {
-  /**
-   * Migration order number
-   * - Order 2: v1 → v2
-   * - Order 3: v2 → v3
-   * - Order 4: v3 → v4
-   * etc.
+/**
+ * Abstract base class for configuration migrations
+ *
+ * Each migration represents an upgrade from one config version to another.
+ * Migrations run in order based on the `toVersion` field, allowing users to jump
+ * multiple versions (e.g., v1 → v4 runs migrations 2, 3, and 4).
  */
-  abstract readonly order: number;
-
+export abstract class BaseMigration {
   /**
    * Source version this migration upgrades from
    * e.g., "1.x", "3.x"
@@ -23,7 +21,7 @@ export abstract class BaseMigration {
 
   /**
    * Target version this migration upgrades to
-   * e.g., "2.0", "4.0"
+   * e.g., "2.0", "4.0", "4.1"
    */
   abstract readonly toVersion: string;
 
@@ -51,4 +49,19 @@ export abstract class BaseMigration {
   getName(): string {
     return `Migration ${this.fromVersion} → ${this.toVersion}`;
   }
+
+  /**
+   * Parse version string into a comparable number
+   * Supports formats like "2.0", "4.1", etc.
+   * Returns a number like 2.0, 4.1 for sorting
+   *
+   * @returns Parsed version number for ordering
+   */
+  getVersionOrder(): number {
+    const parsed = parseFloat(this.toVersion);
+    if (isNaN(parsed)) {
+      throw new Error(`Invalid version format: ${this.toVersion}`);
+    }
+    return parsed;
+  }
 }

ts/migrations/migration-runner.ts

@@ -22,8 +22,8 @@ export class MigrationRunner {
       // Add future migrations here (v4.2, v4.3, etc.)
     ];
 
-    // Sort by order to ensure they run in sequence
-    this.migrations.sort((a, b) => a.order - b.order);
+    // Sort by version order to ensure they run in sequence
+    this.migrations.sort((a, b) => a.getVersionOrder() - b.getVersionOrder());
   }
 
   /**

ts/migrations/migration-v1-to-v2.ts

@@ -20,7 +20,6 @@ import { logger } from '../logger.ts';
  * }
  */
 export class MigrationV1ToV2 extends BaseMigration {
-  readonly order = 2;
   readonly fromVersion = '1.x';
   readonly toVersion = '2.0';
 

ts/migrations/migration-v3-to-v4.ts

@@ -39,7 +39,6 @@ import { logger } from '../logger.ts';
  * }
  */
 export class MigrationV3ToV4 extends BaseMigration {
-  readonly order = 4;
   readonly fromVersion = '3.x';
   readonly toVersion = '4.0';
 

ts/migrations/migration-v4.0-to-v4.1.ts

@@ -46,7 +46,6 @@ import { logger } from '../logger.ts';
  * }
  */
 export class MigrationV4_0ToV4_1 extends BaseMigration {
-  readonly order = 5;
   readonly fromVersion = '4.0';
   readonly toVersion = '4.1';