refactor: move STRATEGY_LABELS to constants.js and make banner dynamic

Consolidate strategy configuration by moving STRATEGY_LABELS from
strategies/index.js to constants.js. Update startup banner to
dynamically display strategy options from SELECTION_STRATEGIES.

Co-Authored-By: Claude <noreply@anthropic.com>

src/account-manager/strategies/index.js

@@ -10,20 +10,14 @@ import { HybridStrategy } from './hybrid-strategy.js';
 import { logger } from '../../utils/logger.js';
 import {
     SELECTION_STRATEGIES,
-    DEFAULT_SELECTION_STRATEGY
+    DEFAULT_SELECTION_STRATEGY,
+    STRATEGY_LABELS
 } from '../../constants.js';
 
 // Re-export strategy constants for convenience
 export const STRATEGY_NAMES = SELECTION_STRATEGIES;
 export const DEFAULT_STRATEGY = DEFAULT_SELECTION_STRATEGY;
 
-// Strategy display labels
-export const STRATEGY_LABELS = {
-    'sticky': 'Sticky (Cache Optimized)',
-    'round-robin': 'Round Robin (Load Balanced)',
-    'hybrid': 'Hybrid (Smart Distribution)'
-};
-
 /**
  * Create a strategy instance
  * @param {string} strategyName - Name of the strategy ('sticky', 'round-robin', 'hybrid')

src/constants.js

@@ -121,6 +121,13 @@ export const MIN_SIGNATURE_LENGTH = 50; // Minimum valid thinking signature leng
 export const SELECTION_STRATEGIES = ['sticky', 'round-robin', 'hybrid'];
 export const DEFAULT_SELECTION_STRATEGY = 'hybrid';
 
+// Strategy display labels
+export const STRATEGY_LABELS = {
+    'sticky': 'Sticky (Cache Optimized)',
+    'round-robin': 'Round Robin (Load Balanced)',
+    'hybrid': 'Hybrid (Smart Distribution)'
+};
+
 // Gemini-specific limits
 export const GEMINI_MAX_OUTPUT_TOKENS = 16384;
 
@@ -263,6 +270,7 @@ export default {
     isThinkingModel,
     OAUTH_CONFIG,
     OAUTH_REDIRECT_URI,
+    STRATEGY_LABELS,
     MODEL_FALLBACK_MAP,
     TEST_MODELS,
     DEFAULT_PRESETS,

src/index.js

@@ -60,8 +60,11 @@ const server = app.listen(PORT, () => {
     const align4 = (text) => text + ' '.repeat(Math.max(0, 58 - text.length));
     
     // Build Control section dynamically
+    const strategyOptions = `(${STRATEGY_NAMES.join('/')})`;
+    const strategyLine2 = '                       ' + strategyOptions;
     let controlSection = '║  Control:                                                    ║\n';
-    controlSection += '║    --strategy=<s>     Set selection strategy (sticky/hybrid) ║\n';
+    controlSection += '║    --strategy=<s>     Set account selection strategy         ║\n';
+    controlSection += `${border}  ${align(strategyLine2)}${border}\n`;
     if (!isDebug) {
         controlSection += '║    --debug            Enable debug logging                   ║\n';
     }