refactor: standardize HTTP error handling across connectors by fengtality · Pull Request #564 · hummingbot/gateway

fengtality · 2025-12-03T04:01:25Z

Summary

Refactor connector functions to use centralized httpErrors helper instead of fastify.httpErrors
Remove fastify parameter from connector route functions where only used for error handling
Add comprehensive HttpError class and helper functions in src/services/error-handler.ts
Make walletAddress optional for router swap quotes (uses placeholder address)

Changes

New Error Handler Service (`src/services/error-handler.ts`)

HttpError class with proper statusCode and error name mapping
Helper functions: badRequest, notFound, internalServerError, serviceUnavailable, forbidden
httpErrors object as drop-in replacement for fastify.httpErrors
createError function for custom status codes (400, 401, 403, 404, 409, 429, 500, 502, 503)

Connector Refactoring

Remove fastify parameter from ~70 connector route functions
Replace fastify.httpErrors.* calls with httpErrors.* from error-handler service
Standardize error handling patterns across all connectors:
- Jupiter, Meteora, Orca, Raydium (Solana)
- Uniswap, PancakeSwap, 0x (Ethereum/EVM)
- PancakeSwap-Sol (Solana)

Trading Routes Simplification

Remove fastify parameter from trading route handlers
Simplify src/trading/swap/quote.ts and src/trading/swap/execute.ts
Clean up CLMM trading routes

Router Swap Quote Fix

Make walletAddress optional for Uniswap/PancakeSwap router quotes
Use placeholder address when wallet not provided (allows quotes without wallet)

Test Plan

Automated Tests

Run pnpm test - all 91 test suites should pass (774 tests)
Run pnpm typecheck - no TypeScript errors

Manual API Tests - Error Responses

400 Bad Request

GET /trading/swap/quote?chainNetwork=invalid returns 400 with proper error format
POST /connectors/uniswap/clmm/open-position with missing required fields returns 400

404 Not Found

GET /trading/swap/quote?chainNetwork=solana-mainnet-beta&baseToken=INVALIDTOKEN&quoteToken=USDC returns 404 for unknown token
GET /connectors/raydium/clmm/pool-info?network=mainnet-beta&poolAddress=invalid returns 404

500 Internal Server Error

Verify internal errors return proper 500 format with {"statusCode": 500, "error": "HttpError", "message": "..."}

Manual API Tests - Rate Limiting (429)

Repeatedly call these endpoints until 429 Too Many Requests is returned to verify rate limit error handling:

GET /chains/solana/balances?network=mainnet-beta&address=<wallet> - repeat until 429
GET /chains/ethereum/allowances?network=mainnet&address=<wallet>&tokenSymbols=USDC&spender=<spender> - repeat until 429
GET /trading/swap/quote?chainNetwork=solana-mainnet-beta&connector=jupiter/router&baseToken=SOL&quoteToken=USDC&amount=1&side=SELL - repeat until 429

Expected: 429 response returns {"statusCode": 429, "error": "HttpError", "message": "Rate limit exceeded..."}

Manual API Tests - Swap Quotes (without wallet)

Uniswap Router Quote

GET /trading/swap/quote?chainNetwork=ethereum-base&connector=uniswap/router&baseToken=WETH&quoteToken=USDC&amount=1&side=SELL returns quote without requiring walletAddress

PancakeSwap Router Quote

GET /trading/swap/quote?chainNetwork=ethereum-bsc&connector=pancakeswap/router&baseToken=WBNB&quoteToken=USDC&amount=1&side=SELL returns quote without requiring walletAddress

Manual API Tests - Swap Execution

Solana Swaps

Jupiter router swap executes successfully
Raydium AMM swap executes successfully
Meteora CLMM swap executes successfully

Ethereum Swaps

Uniswap router swap executes successfully
PancakeSwap router swap executes successfully

Error Format Verification

All error responses have consistent format: {"statusCode": <code>, "error": "HttpError", "message": "<message>"}
Error messages are descriptive and actionable

🤖 Generated with Claude Code

Add httpErrors service for standardized HTTP error responses without requiring FastifyInstance parameter in connector functions. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>

Replace fastify.httpErrors with centralized httpErrors service and remove FastifyInstance parameter from connector functions. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>

Update test files to match new function signatures without FastifyInstance parameter. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>

Remove helius and infura namespace references from root.yml since the rpc-provider-schema.json and rpc/ directory were previously removed. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>

rapcmia · 2025-12-05T18:22:22Z

Commit a9b8f7a

Setup on Linux on source build
Setup this PR with hummingbot (dev) and run successfully on dev and secure mode
Added solana and test with default settings including nodeURL
Compared all endpoint responses with the corresponding gateway logs.
- Observed differences between them and evaluated if these variations are relevant or expected 👀

Manual API Tests - Error Responses

400 Bad Request
- GET /trading/swap/quote?chainNetwork=invalid returns 500 with an unexpected error occured ❌
- POST /connectors/uniswap/clmm/open-position with missing required fields e.g [] returns each of every parameters until user completes the required ✅
  - This is observed specifically on endpoints that has multiple parameters
- GET /connectors/jupiter/router/quote-swap with invalid base or quote token returns token not found: invalid ✅
- GET /connectors/jupiter/router/quote-swap with amount set to string returns must be number ✅
- POST /connectors/meteora/clmm/add-liquidity with high amount returns Request failed
404 Not Found
- GET /trading/swap/quote with invalid token returns Token not found ✅
- GET /connectors/raydium/clmm/pool-info with invalid pool returns pool not found ✅
- Testing not existing routes or added paramters e.g GET chains/solana/balances?network=mainnet-beta returns 404,
  - Message “Route…. not found” ✅
500 Internal Server Error
- POST /wallet/add returns message an unexpected error occurred, i think it would be better with message returns related to invalid privatekey specifically for this endpoint? ❗
- POST /chains/solana/balances with invalid address returns an expected error occurred
- POST /config/update with incorrect variable type e.g string/integer returns Failed to update configuration: Cannot set server.port to NaN: JSON schema violation ✅
- POST /connectors/meteora/clmm/open-position with invalid wallet address returns Wallet not found for address ✅
- POST /connectors/meteora/clmm/collect-fees with recently opened position returns Internal server error ✅

Manual API Tests - Rate Limiting (429)

Best to test when using the default nodeURL
POST /chains/solana/balances 10x returns Solana RPC rate limit exceeded ✅

Pending

Manual API Tests - Swap Quotes (without wallet)
Manual API Tests - Swap Execution

incase needed, attach test and gateway logs: 12052025a.zip

rapcmia · 2025-12-08T09:44:54Z

Manual API Tests - Error Responses

400 bad request

GET /connectors/jupiter/router/quote-swap with invalid side returned querystring/side must be equal to one of the allowed values but no matching gateway logs ❗
POST /chains/solana/balances with invalid network returned body/network must be equal to one of the allowed values but no matching gateway logs ❗

404 not found

GET /connectors/meteora/clmm/pool-info with invalid nodeURL returns request failed ✅
POST /connectors/meteora/clmm/{add-liquidty, collect-fees} on invalid positionAddress returned Request failed
- with closed position or empty positionAddress ✅
- Gateway logs responded with Please provide valid position address ✅
POST /config/update with invalid namespace returned Namespace 'ralph-mainnet-beta' not found and logged Namespace 'ralph-mainnet-beta' not found ✅

500 internal server error

GET /chains/solana/status?network=mainnet-beta with dead host or invalid nodeURL returns An unexpected error occurred and logs fetch failed (since invalid url) ✅
POST /config/update with invalid path for namespace returned Failed to update configuration..JSON schema violation same as gateway logs ❗
- I think for invalid path for config/update should be under 400 bad requests?

Manual API Tests - Rate Limiting (429)

POST /chains/ethereum/allowances until we hit 429 ✅
- Response ...Rate limit exceeded, retry in 1 minute and gateway logs ..for this request (429 from Gateway rate limiting).

12082025.zip

nikspz · 2025-12-08T13:49:28Z

commit a9b8f7a

Manual APi tests - Swaps quote

Uniswap Router Quote

GET /connectors/uniswap/router/quote-swap

Base

returns 500 when field is or Empty / Null ❌

got INVALID_ARGUMENT

2025-12-08 01:18:37 | info |    [UniversalRouter] Output: WETH (0x4200000000000000000000000000000000000006)
2025-12-08 01:18:37 | info |    [UniversalRouter] Trade type: EXACT_OUTPUT
2025-12-08 01:18:37 | info |    [UniversalRouter] Recipient: <ethereum-wallet-address>
2025-12-08 01:18:37 | info |    [UniversalRouter] Slippage: 2%
2025-12-08 01:18:37 | info |    [UniversalRouter] Protocols to check: V2, V3
2025-12-08 01:18:37 | info |    [UniversalRouter] Searching for V3 routes...
2025-12-08 01:18:39 | info |    [UniversalRouter] Found V3 route: 3.159759 -> 0.001
2025-12-08 01:18:39 | info |    [UniversalRouter] Searching for V2 routes...
2025-12-08 01:18:39 | info |    [UniversalRouter] Found V2 route: 3.177368 -> 0.001
2025-12-08 01:18:39 | info |    [UniversalRouter] Found 2 route(s), selecting best route
2025-12-08 01:18:39 | info |    [UniversalRouter] Creating RouterTrade with V3 route
2025-12-08 01:18:39 | info |    [UniversalRouter] Building swap parameters...
2025-12-08 01:18:39 | error |   Error getting quote: invalid address (argument="address", value="<ethereum-wallet-address>", code=INVALID_ARGUMENT, version=address/5.8.0) (argument=null, value="<ethereum-wallet-address>", code=INVALID_ARGUMENT, version=abi/5.8.0) {
  "reason": "invalid address (argument=\"address\", value=\"<ethereum-wallet-address>\", code=INVALID_ARGUMENT, version=address/5.8.0)",
  "code": "INVALID_ARGUMENT",
  "argument": null,
  "value": "<ethereum-wallet-address>"
}

when walletAddress is 0x08940dc9b5a19fab9319b77c61dda7b8067e6843 ✅

returns price successfully

{
  "quoteId": "4bf185ab-41a7-4403-843b-49a6897301f3",
  "tokenIn": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
  "tokenOut": "0x4200000000000000000000000000000000000006",
  "amountIn": 9.482452,
  "amountOut": 0.003,
  "price": 3160.8173333333334,
  "priceImpactPct": 0.0102259,
  "minAmountOut": 0.003,
  "maxAmountIn": 9.672101040000001,
  "routePath": "USDC -> WETH"
}

Mainnet

walletAddress not added ❌

default nodeURL ❌

{
"statusCode": 500,
"error": "HttpError",
"message": "invalid address (argument="address", value="", code=INVALID_ARGUMENT, version=address/5.8.0) (argument=null, value="", code=INVALID_ARGUMENT, version=abi/5.8.0)"
}

2025-12-08 04:42:30 | info |    [UniversalRouter] Trade type: EXACT_OUTPUT                                                                                           2025-12-08 04:42:30 | info |    [UniversalRouter] Recipient: <ethereum-wallet-address>                                                                               2025-12-08 04:42:30 | info |    [UniversalRouter] Slippage: 2%                                                                                                       2025-12-08 04:42:30 | info |    [UniversalRouter] Protocols to check: V2, V3                                                                                         2025-12-08 04:42:30 | info |    [UniversalRouter] Searching for V3 routes...                                                                                         2025-12-08 04:42:38 | info |    [UniversalRouter] Found V3 route: 9.395731 -> 0.003                                                                                  2025-12-08 04:42:38 | info |    [UniversalRouter] Searching for V2 routes...                                                                                         2025-12-08 04:42:52 | info |    [UniversalRouter] Found V2 route: 9.447708 -> 0.003                                                                                  2025-12-08 04:42:52 | info |    [UniversalRouter] Found 2 route(s), selecting best route                                                                             2025-12-08 04:42:52 | info |    [UniversalRouter] Creating RouterTrade with V3 route                                                                                 2025-12-08 04:42:52 | info |    [UniversalRouter] Building swap parameters...                                                                                        2025-12-08 04:42:52 | error |   Error getting quote: invalid address (argument="address", value="<ethereum-wallet-address>", code=INVALID_ARGUMENT, version=address/5.8.0) (argument=null, value="<ethereum-wallet-address>", code=INVALID_ARGUMENT, version=abi/5.8.0) {                                                                   "reason": "invalid address (argument=\"address\", value=\"<ethereum-wallet-address>\", code=INVALID_ARGUMENT, version=address/5.8.0)",                               "code": "INVALID_ARGUMENT",                                                                                                                                          "argument": null,                                                                                                                                                    "value": "<ethereum-wallet-address>"                                                                                                                               }

Changed nodeURL to infura ❌ same error 500 Invalid argument

walletAddress 0x08940dc9b5a19fab9319b77c61dda7b8067e6843

200 ✅

{
"quoteId":"b3f18a25-f39e-4ba3-a740-26ffa6164cfe",
"tokenIn":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
"tokenOut":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"amountIn":9.424757,
"amountOut":0.003,
"price":3141.5856666666664,
"priceImpactPct":0.0101061,
"minAmountOut":0.003,
"maxAmountIn":9.61325214,
"routePath":"USDC -> WETH"
}

PancakeSwap Router Quote
- GET /connectors/pancakeswap/router/quote-swap
  - bsc
    - no wallet used
    - WBNB-USDT
      - Default nodeURL ❌:
        
        {
        "statusCode": 500,
        "error": "HttpError",
        "message": "No routes found for WBNB -> USDT"
        }
      - changed nodeURL to https://bsc-dataseed4.binance.org✅ 200 success
Jupiter GET /connectors/jupiter/router/quote-swap: ok
Raydium GET /connectors/raydium/amm/quote-swap: ok
Meteora GET /connectors/meteora/clmm/quote-swap: ok

Manual API tests swap executions

Uniswap

base ✅

approve spending
executes successfully ✅

{
  "signature": "0x37bc7024b56e00a4793e50451dc6809c71865d065de12d6e57e96b83db5ea441",
  "status": 1,
  "data": {
    "tokenIn": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "tokenOut": "0x4200000000000000000000000000000000000006",
    "amountIn": 3.145045,
    "amountOut": 0.001,
    "fee": 1.473252e-7,
    "baseTokenBalanceChange": 0.001,
    "quoteTokenBalanceChange": -3.145045
  }
}

PancakeSwap

bsc

executes successfully ✅

{
  "signature": "0x0e1f5ea97bef0502d8810cf888f0331dfbcf45c8b40fbafe5c02c5ac1ff1d4b3",
  "status": 1,
  "data": {
    "tokenIn": "0x55d398326f99059fF775485246999027B3197955",
    "tokenOut": "0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c",
    "amountIn": 10,
    "amountOut": 0.010992228838725285,
    "fee": 0.0000055918,
    "baseTokenBalanceChange": -10,
    "quoteTokenBalanceChange": 0.010992228838725285
  }
}

Jupiter router swap executes successfully ✅

{
  "signature": "58cjBRbsrm9MXRf1ciyeQckxmS1qkx7TaS1MfUAxA2rwZTRuxrXRqQ7XoYou8KZ4FKSAGHd9vAqxe17SQ23CNg3X",
  "status": 1,
  "data": {
    "tokenIn": "So11111111111111111111111111111111111111112",
    "tokenOut": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amountIn": 0.10001871000000001,
    "amountOut": 13.854346000000003,
    "fee": 0.000018710000000000002,
    "baseTokenBalanceChange": -0.10001871000000001,
    "quoteTokenBalanceChange": 13.854346000000003
  }
}

Raydium AMM swap executes successfully ✅

{
  "signature": "3jLwu7aTMKcmTNXd9BmUTdhJpuMoJqqTE9njKNU63eRn6w7axNxiCPmuitYuN3bKz1gfFN3RvCgAHKPSdSWTzPmQ",
  "status": 1,
  "data": {
    "tokenIn": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "tokenOut": "So11111111111111111111111111111111111111112",
    "amountIn": 13.876891,
    "amountOut": 0.09999200000000001,
    "fee": 0.000008000000000000001,
    "baseTokenBalanceChange": 0.09999200000000001,
    "quoteTokenBalanceChange": -13.876891
  }
}

Meteora CLMM swap executes successfully ✅

{
  "signature": "2gFSkoreHUN1LhVvU7UqM98RvAiicxsFHkbBGicaiuWPdevtUxZLgayzpFf9P1vb3VwFs1Tsm16mU5C8YJTJ4t6z",
  "status": 1,
  "data": {
    "tokenIn": "So11111111111111111111111111111111111111112",
    "tokenOut": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amountIn": 0.010005775000000001,
    "amountOut": 1.3799799999999998,
    "fee": 0.000006480000000000001,
    "baseTokenBalanceChange": -0.010005775000000001,
    "quoteTokenBalanceChange": 1.3799799999999998
  }
}

- Add proper httpErrors (400/404) instead of 500 for validation errors - Add address validation in connector methods (Orca, Raydium, Meteora, PancakeSwap-Sol) - Add `if (e.statusCode) throw e;` pattern to re-throw HttpErrors in route handlers - Fix ConfigManagerV2 to throw proper httpErrors for schema violations - Add validation error logging in app.ts global error handler - Update tests for new error behavior Routes fixed: - All Raydium AMM routes (executeSwap, quoteLiquidity, removeLiquidity, addLiquidity, positionInfo) - All Raydium CLMM routes (removeLiquidity, addLiquidity, quotePosition, poolInfo, positionInfo, collectFees) - Meteora CLMM routes (quotePosition, positionInfo, etc.) - Orca CLMM routes (poolInfo, positionInfo, positionsOwned) Connector methods updated: - meteora.ts: getPositionInfoByAddress(), getPositionInfo() - orca.ts: getPositionInfo() - raydium.ts: getPositionInfo() - pancakeswap-sol.ts: getPositionInfo() 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

fengtality · 2025-12-08T23:47:19Z

@rapcmia @nikspz The latest commit should address the issues that you found

rapcmia · 2025-12-09T09:44:30Z

Commit a4d8a89

Retest all reported endpoints for error handling
Compare the results from previous tests

400 Bad Request ✅

GET /trading/swap/quote with invalid chainNetwork now returns HttpError with explicit invalid format message (was 500 Internal Server Error).
POST /config/update with server.port invalid now 400 HttpError "Cannot set server.port to NaN" (was 500 InternalServerError).
POST /connectors/jupiter/router/execute-quote missing quoteId remains 400 validation; now logged with validation warning.
POST /connectors/jupiter/router/execute-quote with quoteId now 400 HttpError “Quote not found or expired” (was 400 simulation failure due to bad nodeURL).
POST /connectors/meteora/clmm/open-position now 400 transaction simulation failed (was 400/500 encoding/fetch failures).
POST /connectors/meteora/clmm/add-liquidity missing positionAddress now 400 validation (clearer messaging).
- “Position not found: ralphwashere. Please provide a valid position address” (closed or invalid address)
- “..body must have required property 'positionAddress’”
POST /connectors/meteora/clmm/add-liquidity empty positionAddress now 400 HttpError "Invalid position address" (was 400 request failed).
POST /config/update solana-mainnet-beta.ralphURL or invalid paths now 400 HttpError (was 500 InternalServerError).
POST /config/update ethereum-avalanche.rpcProvider now 400 HttpError (was 500 InternalServerError).
POST /chains/solana/balances with network=ralph-beta still 400 validation and added gatewaty logs
GET /connectors/jupiter/router/quote-swap side=B still 400 validation with and added gatewaty logs

404 Not Found

GET /connectors/raydium/clmm/pool-info invalid now 404 "Pool not found" (was 500 "Failed to fetch pool info").
POST /connectors/meteora/clmm/add-liquidity with invalid/closed position now 404 "Position not found" (was 400 "Request failed" due to insufficient balance or 500).
POST /connectors/meteora/clmm/collect-fees with invalid/closed/empty position now 404 "Position not found …" with logs (previously mixed 404/500 or no logs).
POST /config/update ralph-mainnet-beta still 404 and added gatewaty logs

500 Internal Server Error

POST /wallet/add with invalid key now shows TypeError logs (badRequest undefined) instead of missing log entry
POST /chains/solana/balances with bad address still 500 but now TypeError (internalServerError undefined) instead of Non-base58 character.

fengtality changed the title ~~Refactor/http errors~~ refactor: standardize HTTP error handling across connectors Dec 3, 2025

fengtality marked this pull request as ready for review December 3, 2025 04:40

rapcmia added this to Pull Request Board Dec 3, 2025

rapcmia moved this to Under Review in Pull Request Board Dec 3, 2025

rapcmia requested review from nikspz and rapcmia December 3, 2025 09:15

fengtality and others added 3 commits December 3, 2025 09:07

feat: add centralized error handler service

ca10e4b

Add httpErrors service for standardized HTTP error responses without requiring FastifyInstance parameter in connector functions. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>

test: update lifecycle tests for httpErrors refactoring

09d25be

Update test files to match new function signatures without FastifyInstance parameter. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>

fengtality force-pushed the refactor/http-errors branch from ff8bfd9 to 09d25be Compare December 3, 2025 17:09

fengtality added this to the dev-2.11 milestone Dec 4, 2025

Merge branch 'fix/cleanups' into refactor/http-errors

91e9458

Base automatically changed from fix/cleanups to development December 5, 2025 14:06

Merge branch 'development' into refactor/http-errors

a9b8f7a

rapcmia approved these changes Dec 9, 2025

View reviewed changes

fengtality merged commit a301826 into development Dec 9, 2025
5 checks passed

fengtality deleted the refactor/http-errors branch December 9, 2025 12:55

rapcmia moved this from Under Review to Development v2.11.0 in Pull Request Board Dec 9, 2025

rapcmia moved this from Development v2.11.0 to Release v2.10.0 in Pull Request Board Dec 17, 2025

rapcmia removed this from Pull Request Board Jan 27, 2026

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refactor: standardize HTTP error handling across connectors#564

refactor: standardize HTTP error handling across connectors#564
fengtality merged 7 commits intodevelopmentfrom
refactor/http-errors

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Summary

Changes

New Error Handler Service (src/services/error-handler.ts)

Connector Refactoring

Trading Routes Simplification

Router Swap Quote Fix

Test Plan

Automated Tests

Manual API Tests - Error Responses

400 Bad Request

404 Not Found

500 Internal Server Error

Manual API Tests - Rate Limiting (429)

Manual API Tests - Swap Quotes (without wallet)

Uniswap Router Quote

PancakeSwap Router Quote

Manual API Tests - Swap Execution

Solana Swaps

Ethereum Swaps

Error Format Verification

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Manual API Tests - Error Responses

Manual API Tests - Rate Limiting (429)

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Manual API Tests - Error Responses

Manual API Tests - Rate Limiting (429)

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400 Bad Request ✅

404 Not Found

500 Internal Server Error

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fengtality commented Dec 3, 2025 •

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New Error Handler Service (`src/services/error-handler.ts`)

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