refactor: code review 기반 품질 개선

- HonoVariables 타입 중앙화 (types.ts로 추출, 5개 파일 중복 제거)
- 6시간 pricing update cron 핸들러 추가 (syncPricingOnly 메서드)
- Response.json() → c.json() 패턴 통일 (Hono 표준)
- SORT_FIELD_MAP 중앙화 (constants.ts, 12개 필드 지원)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/app.ts

@@ -6,7 +6,7 @@
 
 import { Hono } from 'hono';
 import type { Context } from 'hono';
-import type { Env } from './types';
+import type { Env, HonoVariables } from './types';
 import { CORS, HTTP_STATUS } from './constants';
 import { createLogger } from './utils/logger';
 import {
@@ -21,20 +21,14 @@ import { handleSync } from './routes/sync';
 
 const logger = createLogger('[App]');
 
-// Context variables type
-type Variables = {
-  requestId: string;
-  authenticated?: boolean;
-};
-
 // Create Hono app with type-safe bindings
-const app = new Hono<{ Bindings: Env; Variables: Variables }>();
+const app = new Hono<{ Bindings: Env; Variables: HonoVariables }>();
 
 /**
  * Get CORS origin for request
  * Reused from original index.ts logic
  */
-function getCorsOrigin(c: Context<{ Bindings: Env; Variables: Variables }>): string {
+function getCorsOrigin(c: Context<{ Bindings: Env; Variables: HonoVariables }>): string {
   const origin = c.req.header('Origin');
   const env = c.env;
 

src/constants.ts

@@ -129,22 +129,32 @@ export const TABLES = {
 // ============================================================
 
 /**
- * Valid sort fields for instance queries
+ * Mapping of user-facing sort field names to database column names
+ *
+ * This is the single source of truth for sort field validation and mapping.
+ * Query aliases: it=instance_types, pr=pricing, p=providers, r=regions
  */
-export const VALID_SORT_FIELDS = [
+export const SORT_FIELD_MAP: Record<string, string> = {
-  'price',
+  price: 'pr.hourly_price',
-  'hourly_price',
+  hourly_price: 'pr.hourly_price',
-  'monthly_price',
+  monthly_price: 'pr.monthly_price',
-  'vcpu',
+  vcpu: 'it.vcpu',
-  'memory_mb',
+  memory: 'it.memory_mb',
-  'memory_gb',
+  memory_mb: 'it.memory_mb',
-  'storage_gb',
+  memory_gb: 'it.memory_mb', // Note: memory_gb is converted to memory_mb at query level
-  'instance_name',
+  storage_gb: 'it.storage_gb',
-  'provider',
+  name: 'it.instance_name',
-  'region',
+  instance_name: 'it.instance_name',
-] as const;
+  provider: 'p.name',
+  region: 'r.region_code',
+} as const;
 
-export type ValidSortField = typeof VALID_SORT_FIELDS[number];
+/**
+ * Valid sort fields for instance queries (derived from SORT_FIELD_MAP)
+ */
+export const VALID_SORT_FIELDS = Object.keys(SORT_FIELD_MAP) as ReadonlyArray<string>;
+
+export type ValidSortField = keyof typeof SORT_FIELD_MAP;
 
 /**
  * Valid sort orders

src/index.ts

@@ -20,7 +20,7 @@ export default {
    *
    * Cron Schedules:
    * - 0 0 * * * : Daily full sync at 00:00 UTC
-   * - 0 star-slash-6 * * * : Pricing update every 6 hours
+   * - 0 star/6 * * * : Pricing update every 6 hours
    */
   async scheduled(event: ScheduledEvent, env: Env, ctx: ExecutionContext): Promise<void> {
     const logger = createLogger('[Cron]', env);
@@ -47,17 +47,18 @@ export default {
 
         for (let attempt = 1; attempt <= MAX_RETRIES; attempt++) {
           try {
-            logger.info('Starting sync attempt', {
+            logger.info('Starting full sync attempt', {
               attempt_number: attempt,
               max_retries: MAX_RETRIES
             });
 
             const report = await orchestrator.syncAll(['linode', 'vultr', 'aws']);
 
-            logger.info('Daily sync complete', {
+            logger.info('Daily full sync complete', {
               attempt_number: attempt,
               total_regions: report.summary.total_regions,
               total_instances: report.summary.total_instances,
+              total_pricing: report.summary.total_pricing,
               successful_providers: report.summary.successful_providers,
               failed_providers: report.summary.failed_providers,
               duration_ms: report.total_duration_ms
@@ -111,5 +112,77 @@ export default {
 
       ctx.waitUntil(executeSyncWithRetry());
     }
+    // Pricing update every 6 hours
+    else if (cron === '0 */6 * * *') {
+      const MAX_RETRIES = 3;
+
+      const executePricingSyncWithRetry = async (): Promise<void> => {
+        const orchestrator = new SyncOrchestrator(env.DB, env);
+
+        for (let attempt = 1; attempt <= MAX_RETRIES; attempt++) {
+          try {
+            logger.info('Starting pricing sync attempt', {
+              attempt_number: attempt,
+              max_retries: MAX_RETRIES
+            });
+
+            const report = await orchestrator.syncAllPricingOnly(['linode', 'vultr', 'aws']);
+
+            logger.info('Pricing sync complete', {
+              attempt_number: attempt,
+              total_pricing: report.summary.total_pricing,
+              successful_providers: report.summary.successful_providers,
+              failed_providers: report.summary.failed_providers,
+              duration_ms: report.total_duration_ms
+            });
+
+            // Alert on partial failures
+            if (report.summary.failed_providers > 0) {
+              const failedProviders = report.providers
+                .filter(p => !p.success)
+                .map(p => p.provider);
+
+              logger.warn('Some providers failed during pricing sync', {
+                failed_count: report.summary.failed_providers,
+                failed_providers: failedProviders,
+                errors: report.providers
+                  .filter(p => !p.success)
+                  .map(p => ({ provider: p.provider, error: p.error }))
+              });
+            }
+
+            // Success - exit retry loop
+            return;
+
+          } catch (error) {
+            const willRetry = attempt < MAX_RETRIES;
+            const retryDelayMs = willRetry ? Math.min(Math.pow(2, attempt - 1) * 1000, 10000) : 0;
+
+            logger.error('Pricing sync attempt failed', {
+              attempt_number: attempt,
+              max_retries: MAX_RETRIES,
+              will_retry: willRetry,
+              retry_delay_ms: retryDelayMs,
+              error: error instanceof Error ? error.message : String(error),
+              stack: error instanceof Error ? error.stack : undefined
+            });
+
+            if (willRetry) {
+              // Wait before retry with exponential backoff
+              await new Promise(resolve => setTimeout(resolve, retryDelayMs));
+            } else {
+              // Final failure - re-throw to make cron failure visible
+              logger.error('Pricing sync failed after all retries', {
+                total_attempts: MAX_RETRIES,
+                error: error instanceof Error ? error.message : String(error)
+              });
+              throw error;
+            }
+          }
+        }
+      };
+
+      ctx.waitUntil(executePricingSyncWithRetry());
+    }
   },
 };

src/middleware/hono-adapters.ts

@@ -5,7 +5,7 @@
  */
 
 import type { Context, Next } from 'hono';
-import type { Env } from '../types';
+import type { Env, HonoVariables } from '../types';
 import {
   authenticateRequest,
   verifyApiKey,
@@ -16,18 +16,12 @@ import { createLogger } from '../utils/logger';
 
 const logger = createLogger('[Middleware]');
 
-// Context variables type
-type Variables = {
-  requestId: string;
-  authenticated?: boolean;
-};
-
 /**
  * Request ID middleware
  * Adds unique request ID to context for tracing
  */
 export async function requestIdMiddleware(
-  c: Context<{ Bindings: Env; Variables: Variables }>,
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>,
   next: Next
 ): Promise<void> {
   // Use CF-Ray if available, otherwise generate UUID
@@ -47,7 +41,7 @@ export async function requestIdMiddleware(
  * Validates X-API-Key header using existing auth logic
  */
 export async function authMiddleware(
-  c: Context<{ Bindings: Env; Variables: Variables }>,
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>,
   next: Next
 ): Promise<Response | void> {
   const request = c.req.raw;
@@ -71,7 +65,7 @@ export async function authMiddleware(
  * Applies rate limits based on endpoint using existing rate limit logic
  */
 export async function rateLimitMiddleware(
-  c: Context<{ Bindings: Env; Variables: Variables }>,
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>,
   next: Next
 ): Promise<Response | void> {
   const request = c.req.raw;
@@ -97,7 +91,7 @@ export async function rateLimitMiddleware(
  * Checks if API key is provided and valid, stores result in context
  */
 export async function optionalAuthMiddleware(
-  c: Context<{ Bindings: Env; Variables: Variables }>,
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>,
   next: Next
 ): Promise<void> {
   const apiKey = c.req.header('X-API-Key');

src/routes/health.ts

@@ -4,18 +4,12 @@
  */
 
 import type { Context } from 'hono';
-import { Env } from '../types';
+import { Env, HonoVariables } from '../types';
 import { HTTP_STATUS } from '../constants';
 import { createLogger } from '../utils/logger';
 
 const logger = createLogger('[Health]');
 
-// Context variables type
-type Variables = {
-  requestId: string;
-  authenticated?: boolean;
-};
-
 /**
  * Component health status
  */
@@ -169,7 +163,7 @@ function sanitizeError(error: string): string {
  * @param c - Hono context
  */
 export async function handleHealth(
-  c: Context<{ Bindings: Env; Variables: Variables }>
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>
 ): Promise<Response> {
   const timestamp = new Date().toISOString();
   const authenticated = c.get('authenticated') ?? false;
@@ -186,7 +180,7 @@ export async function handleHealth(
           status: 'unhealthy',
           timestamp,
         };
-        return Response.json(publicResponse, { status: HTTP_STATUS.SERVICE_UNAVAILABLE });
+        return c.json(publicResponse, HTTP_STATUS.SERVICE_UNAVAILABLE);
       }
 
       // Detailed response: full information with sanitized errors
@@ -208,7 +202,7 @@ export async function handleHealth(
         },
       };
 
-      return Response.json(detailedResponse, { status: HTTP_STATUS.SERVICE_UNAVAILABLE });
+      return c.json(detailedResponse, HTTP_STATUS.SERVICE_UNAVAILABLE);
     }
 
     // Get all providers with aggregated counts in a single query
@@ -296,7 +290,7 @@ export async function handleHealth(
         status: overallStatus,
         timestamp,
       };
-      return Response.json(publicResponse, { status: statusCode });
+      return c.json(publicResponse, statusCode);
     }
 
     // Detailed response: full information
@@ -319,7 +313,7 @@ export async function handleHealth(
       },
     };
 
-    return Response.json(detailedResponse, { status: statusCode });
+    return c.json(detailedResponse, statusCode);
   } catch (error) {
     logger.error('Health check failed', { error });
 
@@ -329,7 +323,7 @@ export async function handleHealth(
         status: 'unhealthy',
         timestamp,
       };
-      return Response.json(publicResponse, { status: HTTP_STATUS.SERVICE_UNAVAILABLE });
+      return c.json(publicResponse, HTTP_STATUS.SERVICE_UNAVAILABLE);
     }
 
     // Detailed response: sanitized error information
@@ -352,6 +346,6 @@ export async function handleHealth(
       },
     };
 
-    return Response.json(detailedResponse, { status: HTTP_STATUS.SERVICE_UNAVAILABLE });
+    return c.json(detailedResponse, HTTP_STATUS.SERVICE_UNAVAILABLE);
   }
 }

src/routes/instances.ts

@@ -6,16 +6,10 @@
  */
 
 import type { Context } from 'hono';
-import type { Env, InstanceQueryParams } from '../types';
+import type { Env, HonoVariables, InstanceQueryParams } from '../types';
 import { QueryService } from '../services/query';
 import { getGlobalCacheService } from '../services/cache';
 import { logger } from '../utils/logger';
-
-// Context variables type
-type Variables = {
-  requestId: string;
-  authenticated?: boolean;
-};
 import {
   SUPPORTED_PROVIDERS,
   type SupportedProvider,
@@ -325,7 +319,7 @@ function parseQueryParams(url: URL): {
  * GET /instances?provider=linode&min_vcpu=2&max_price=20&sort_by=price&order=asc&limit=50
  */
 export async function handleInstances(
-  c: Context<{ Bindings: Env; Variables: Variables }>
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>
 ): Promise<Response> {
   const startTime = Date.now();
 
@@ -339,12 +333,12 @@ export async function handleInstances(
     // Handle validation errors
     if (parseResult.error) {
       logger.error('[Instances] Validation error', parseResult.error);
-      return Response.json(
+      return c.json(
         {
           success: false,
           error: parseResult.error,
         },
-        { status: HTTP_STATUS.BAD_REQUEST }
+        HTTP_STATUS.BAD_REQUEST
       );
     }
 
@@ -383,7 +377,7 @@ export async function handleInstances(
         age: cached.cache_age_seconds,
       });
 
-      return Response.json(
+      return c.json(
         {
           success: true,
           data: {
@@ -396,11 +390,9 @@ export async function handleInstances(
             },
           },
         },
+        HTTP_STATUS.OK,
         {
-          status: HTTP_STATUS.OK,
+          'Cache-Control': `public, max-age=${CACHE_TTL.INSTANCES}`,
-          headers: {
-            'Cache-Control': `public, max-age=${CACHE_TTL.INSTANCES}`,
-          },
         }
       );
     }
@@ -463,23 +455,21 @@ export async function handleInstances(
         error instanceof Error ? { message: error.message } : { error: String(error) });
     }
 
-    return Response.json(
+    return c.json(
       {
         success: true,
         data: responseData,
       },
+      HTTP_STATUS.OK,
       {
-        status: HTTP_STATUS.OK,
+        'Cache-Control': `public, max-age=${CACHE_TTL.INSTANCES}`,
-        headers: {
-          'Cache-Control': `public, max-age=${CACHE_TTL.INSTANCES}`,
-        },
       }
     );
 
   } catch (error) {
     logger.error('[Instances] Unexpected error', { error });
 
-    return Response.json(
+    return c.json(
       {
         success: false,
         error: {
@@ -488,7 +478,7 @@ export async function handleInstances(
           request_id: crypto.randomUUID(),
         },
       },
-      { status: HTTP_STATUS.INTERNAL_ERROR }
+      HTTP_STATUS.INTERNAL_ERROR
     );
   }
 }

src/routes/sync.ts

@@ -6,18 +6,12 @@
  */
 
 import type { Context } from 'hono';
-import type { Env } from '../types';
+import type { Env, HonoVariables } from '../types';
 import { SyncOrchestrator } from '../services/sync';
 import { logger } from '../utils/logger';
 import { SUPPORTED_PROVIDERS, HTTP_STATUS } from '../constants';
 import { parseJsonBody, validateProviders, createErrorResponse } from '../utils/validation';
 
-// Context variables type
-type Variables = {
-  requestId: string;
-  authenticated?: boolean;
-};
-
 /**
  * Request body interface for sync endpoint
  */
@@ -41,7 +35,7 @@ interface SyncRequestBody {
  * }
  */
 export async function handleSync(
-  c: Context<{ Bindings: Env; Variables: Variables }>
+  c: Context<{ Bindings: Env; Variables: HonoVariables }>
 ): Promise<Response> {
   const startTime = Date.now();
   const startedAt = new Date().toISOString();
@@ -54,9 +48,9 @@ export async function handleSync(
     if (contentLength) {
       const bodySize = parseInt(contentLength, 10);
       if (isNaN(bodySize) || bodySize > 10240) { // 10KB limit for sync
-        return Response.json(
+        return c.json(
           { success: false, error: { code: 'PAYLOAD_TOO_LARGE', message: 'Request body too large' } },
-          { status: 413 }
+          413
         );
       }
     }
@@ -111,7 +105,7 @@ export async function handleSync(
       summary: syncReport.summary
     });
 
-    return Response.json(
+    return c.json(
       {
         success: syncReport.success,
         data: {
@@ -119,7 +113,7 @@ export async function handleSync(
           ...syncReport
         }
       },
-      { status: HTTP_STATUS.OK }
+      HTTP_STATUS.OK
     );
 
   } catch (error) {
@@ -128,7 +122,7 @@ export async function handleSync(
     const completedAt = new Date().toISOString();
     const totalDuration = Date.now() - startTime;
 
-    return Response.json(
+    return c.json(
       {
         success: false,
         error: {
@@ -142,7 +136,7 @@ export async function handleSync(
           }
         }
       },
-      { status: HTTP_STATUS.INTERNAL_ERROR }
+      HTTP_STATUS.INTERNAL_ERROR
     );
   }
 }

src/services/query.ts

@@ -4,6 +4,7 @@
  */
 
 import { createLogger } from '../utils/logger';
+import { SORT_FIELD_MAP } from '../constants';
 import type {
   Env,
   InstanceQueryParams,
@@ -299,19 +300,8 @@ export class QueryService {
     // Validate sort order at service level (defense in depth)
     const validatedSortOrder = sortOrder?.toLowerCase() === 'desc' ? 'DESC' : 'ASC';
 
-    // Map sort fields to actual column names
+    // Map sort fields to actual column names (imported from constants.ts)
-    const sortFieldMap: Record<string, string> = {
+    const sortColumn = SORT_FIELD_MAP[sortBy] ?? 'pr.hourly_price';
-      price: 'pr.hourly_price',
-      hourly_price: 'pr.hourly_price',
-      monthly_price: 'pr.monthly_price',
-      vcpu: 'it.vcpu',
-      memory: 'it.memory_mb',
-      memory_mb: 'it.memory_mb',
-      name: 'it.instance_name',
-      instance_name: 'it.instance_name',
-    };
-
-    const sortColumn = sortFieldMap[sortBy] ?? 'pr.hourly_price';
 
     // Handle NULL values in pricing columns (NULL values go last)
     if (sortColumn.startsWith('pr.')) {

src/services/sync.ts

@@ -438,6 +438,296 @@ export class SyncOrchestrator {
     }
   }
 
+  /**
+   * Synchronize pricing data only (no regions/instances update)
+   *
+   * Lightweight sync operation that only updates pricing data from provider APIs.
+   * Skips region and instance type synchronization.
+   *
+   * @param provider - Provider name (linode, vultr, aws)
+   * @returns Sync result with pricing statistics
+   */
+  async syncPricingOnly(provider: string): Promise<ProviderSyncResult> {
+    const startTime = Date.now();
+    let stage = SyncStage.INIT;
+
+    this.logger.info('Starting pricing-only sync for provider', { provider });
+
+    try {
+      // Stage 1: Initialize - Fetch provider record
+      stage = SyncStage.INIT;
+      const providerRecord = await this.repos.providers.findByName(provider);
+      if (!providerRecord) {
+        throw new Error(`Provider not found in database: ${provider}`);
+      }
+
+      // Update provider status to syncing
+      await this.repos.providers.updateSyncStatus(provider, 'syncing');
+      this.logger.info(`${provider} → ${stage} (pricing only)`);
+
+      // Stage 2: Initialize connector and authenticate
+      const connector = await this.createConnector(provider, providerRecord.id);
+      await withTimeout(connector.authenticate(), 10000, `${provider} authentication`);
+      this.logger.info(`${provider} → initialized (pricing only)`);
+
+      // Fetch existing instance and region IDs from database
+      const batchQueries = [
+        this.repos.db.prepare('SELECT id, region_code FROM regions WHERE provider_id = ?').bind(providerRecord.id),
+        this.repos.db.prepare('SELECT id, instance_id FROM instance_types WHERE provider_id = ?').bind(providerRecord.id),
+        this.repos.db.prepare('SELECT id, instance_id FROM gpu_instances WHERE provider_id = ?').bind(providerRecord.id),
+        this.repos.db.prepare('SELECT id, instance_id FROM g8_instances WHERE provider_id = ?').bind(providerRecord.id),
+        this.repos.db.prepare('SELECT id, instance_id FROM vpu_instances WHERE provider_id = ?').bind(providerRecord.id)
+      ];
+
+      const [dbRegionsResult, dbInstancesResult, dbGpuResult, dbG8Result, dbVpuResult] = await this.repos.db.batch(batchQueries);
+
+      if (!dbRegionsResult.success || !dbInstancesResult.success) {
+        throw new Error('Failed to fetch regions/instances for pricing');
+      }
+
+      // Validate and extract region IDs
+      if (!Array.isArray(dbRegionsResult.results)) {
+        throw new Error('Unexpected database result format for regions');
+      }
+      const regionIds = dbRegionsResult.results.map((r: any) => {
+        if (typeof r?.id !== 'number') {
+          throw new Error('Invalid region id in database result');
+        }
+        return r.id;
+      });
+
+      // Validate and extract instance type data
+      if (!Array.isArray(dbInstancesResult.results)) {
+        throw new Error('Unexpected database result format for instances');
+      }
+      const dbInstancesData = dbInstancesResult.results.map((i: any) => {
+        if (typeof i?.id !== 'number' || typeof i?.instance_id !== 'string') {
+          throw new Error('Invalid instance data in database result');
+        }
+        return { id: i.id, instance_id: i.instance_id };
+      });
+      const instanceTypeIds = dbInstancesData.map(i => i.id);
+
+      // Create instance mapping
+      const dbInstanceMap = new Map(
+        dbInstancesData.map(i => [i.id, { instance_id: i.instance_id }])
+      );
+
+      // Create specialized instance mappings
+      if (!Array.isArray(dbGpuResult.results)) {
+        throw new Error('Unexpected database result format for GPU instances');
+      }
+      const dbGpuMap = new Map(
+        dbGpuResult.results.map((i: any) => {
+          if (typeof i?.id !== 'number' || typeof i?.instance_id !== 'string') {
+            throw new Error('Invalid GPU instance data in database result');
+          }
+          return [i.id, { instance_id: i.instance_id }];
+        })
+      );
+
+      if (!Array.isArray(dbG8Result.results)) {
+        throw new Error('Unexpected database result format for G8 instances');
+      }
+      const dbG8Map = new Map(
+        dbG8Result.results.map((i: any) => {
+          if (typeof i?.id !== 'number' || typeof i?.instance_id !== 'string') {
+            throw new Error('Invalid G8 instance data in database result');
+          }
+          return [i.id, { instance_id: i.instance_id }];
+        })
+      );
+
+      if (!Array.isArray(dbVpuResult.results)) {
+        throw new Error('Unexpected database result format for VPU instances');
+      }
+      const dbVpuMap = new Map(
+        dbVpuResult.results.map((i: any) => {
+          if (typeof i?.id !== 'number' || typeof i?.instance_id !== 'string') {
+            throw new Error('Invalid VPU instance data in database result');
+          }
+          return [i.id, { instance_id: i.instance_id }];
+        })
+      );
+
+      // Get pricing data
+      stage = SyncStage.PERSIST;
+      const pricingResult = await withTimeout(
+        connector.getPricing(
+          instanceTypeIds,
+          regionIds,
+          dbInstanceMap,
+          dbGpuMap,
+          dbG8Map,
+          dbVpuMap
+        ),
+        180000,
+        `${provider} fetch pricing`
+      );
+
+      // Handle both return types
+      let pricingCount = 0;
+      if (typeof pricingResult === 'number') {
+        pricingCount = pricingResult;
+      } else if (pricingResult.length > 0) {
+        pricingCount = await this.repos.pricing.upsertMany(pricingResult);
+      }
+
+      this.logger.info(`${provider} → pricing updated`, { pricing: pricingCount });
+
+      // Stage: Sync Anvil Pricing (if applicable)
+      stage = SyncStage.SYNC_ANVIL_PRICING;
+      let anvilPricingCount = 0;
+      try {
+        anvilPricingCount = await this.syncAnvilPricing(provider);
+        if (anvilPricingCount > 0) {
+          this.logger.info(`${provider} → ${stage}`, { anvil_pricing: anvilPricingCount });
+        }
+      } catch (anvilError) {
+        this.logger.error('Anvil pricing sync failed', {
+          provider,
+          error: anvilError instanceof Error ? anvilError.message : String(anvilError)
+        });
+      }
+
+      // Sync Anvil Transfer Pricing
+      let anvilTransferPricingCount = 0;
+      try {
+        anvilTransferPricingCount = await this.syncAnvilTransferPricing(provider);
+        if (anvilTransferPricingCount > 0) {
+          this.logger.info(`${provider} → SYNC_ANVIL_TRANSFER_PRICING`, { anvil_transfer_pricing: anvilTransferPricingCount });
+        }
+      } catch (transferError) {
+        this.logger.error('Anvil transfer pricing sync failed', {
+          provider,
+          error: transferError instanceof Error ? transferError.message : String(transferError)
+        });
+      }
+
+      // Complete - Update provider status
+      stage = SyncStage.COMPLETE;
+      await this.repos.providers.updateSyncStatus(provider, 'success');
+
+      const duration = Date.now() - startTime;
+      this.logger.info(`${provider} → ${stage} (pricing only)`, { duration_ms: duration });
+
+      return {
+        provider,
+        success: true,
+        regions_synced: 0,
+        instances_synced: 0,
+        pricing_synced: pricingCount,
+        duration_ms: duration,
+      };
+
+    } catch (error) {
+      const duration = Date.now() - startTime;
+      const errorMessage = error instanceof Error ? error.message : 'Unknown error';
+
+      this.logger.error(`${provider} pricing sync failed at ${stage}`, {
+        error: error instanceof Error ? error.message : String(error),
+        stage
+      });
+
+      // Update provider status to error
+      try {
+        await this.repos.providers.updateSyncStatus(provider, 'error', errorMessage);
+      } catch (statusError) {
+        this.logger.error('Failed to update provider status', {
+          error: statusError instanceof Error ? statusError.message : String(statusError)
+        });
+      }
+
+      return {
+        provider,
+        success: false,
+        regions_synced: 0,
+        instances_synced: 0,
+        pricing_synced: 0,
+        duration_ms: duration,
+        error: errorMessage,
+        error_details: {
+          stage,
+          message: errorMessage,
+        },
+      };
+    }
+  }
+
+  /**
+   * Synchronize pricing data only for all providers
+   *
+   * Lightweight sync operation that only updates pricing data.
+   * Skips region and instance type synchronization.
+   *
+   * @param providers - Array of provider names to sync (defaults to all supported providers)
+   * @returns Complete sync report with pricing statistics
+   */
+  async syncAllPricingOnly(providers: string[] = [...SUPPORTED_PROVIDERS]): Promise<SyncReport> {
+    const startedAt = new Date().toISOString();
+    const startTime = Date.now();
+
+    this.logger.info('Starting pricing-only sync for providers', { providers: providers.join(', ') });
+
+    const providerResults: ProviderSyncResult[] = [];
+
+    for (const provider of providers) {
+      try {
+        const result = await this.syncPricingOnly(provider);
+        providerResults.push(result);
+
+        this.logger.info('Provider pricing sync completed', {
+          provider,
+          success: result.success,
+          elapsed_ms: Date.now() - startTime
+        });
+      } catch (error) {
+        providerResults.push({
+          provider,
+          success: false,
+          regions_synced: 0,
+          instances_synced: 0,
+          pricing_synced: 0,
+          duration_ms: 0,
+          error: error instanceof Error ? error.message : 'Unknown error',
+        });
+      }
+    }
+
+    const completedAt = new Date().toISOString();
+    const totalDuration = Date.now() - startTime;
+
+    const successful = providerResults.filter(r => r.success);
+    const failed = providerResults.filter(r => !r.success);
+
+    const summary = {
+      total_providers: providers.length,
+      successful_providers: successful.length,
+      failed_providers: failed.length,
+      total_regions: 0,
+      total_instances: 0,
+      total_pricing: providerResults.reduce((sum, r) => sum + r.pricing_synced, 0),
+    };
+
+    const report: SyncReport = {
+      success: failed.length === 0,
+      started_at: startedAt,
+      completed_at: completedAt,
+      total_duration_ms: totalDuration,
+      providers: providerResults,
+      summary,
+    };
+
+    this.logger.info('Pricing sync complete', {
+      total: summary.total_providers,
+      success: summary.successful_providers,
+      failed: summary.failed_providers,
+      duration_ms: totalDuration,
+    });
+
+    return report;
+  }
+
   /**
    * Synchronize all providers
    *

src/types.ts

@@ -416,6 +416,17 @@ export interface Env {
   ENVIRONMENT?: string;
 }
 
+/**
+ * Hono context variables
+ * Shared across all request contexts
+ */
+export interface HonoVariables {
+  /** Unique request ID for tracing */
+  requestId: string;
+  /** Authentication status (set by auth middleware) */
+  authenticated?: boolean;
+}
+
 // ============================================================
 // Synchronization Types
 // ============================================================