diff --git a/README.md b/README.md index d6c65de1d..2a0c659f0 100644 --- a/README.md +++ b/README.md @@ -1019,6 +1019,7 @@ omp [args] [flags] | `--no-extensions` | Disable extension discovery (`-e` paths still load) | | `--no-skills` | Disable skills discovery and loading | | `--skills ` | Comma-separated glob patterns to filter skills | +| `--no-rules` | Disable rules discovery and loading | | `--allow-home` | Allow starting from home dir without auto-chdir | | `--no-title` | Disable automatic session title generation | | `--export [output]` | Export session to HTML | diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md index 9b4d3e710..21f76ca76 100644 --- a/packages/coding-agent/CHANGELOG.md +++ b/packages/coding-agent/CHANGELOG.md @@ -8,6 +8,12 @@ ### Added +- Added `--no-rules` CLI flag to disable rules discovery and loading +- Added `sessionDir` option to RpcClientOptions for specifying agent session directory +- Added `Symbol.dispose` method to RpcClient for resource cleanup support +- Added `rules` option to CreateAgentSessionOptions for explicit rule configuration +- Added `sessionDir` option to RpcClientOptions for specifying agent session directory +- Added `Symbol.dispose` method to RpcClient for resource cleanup support - Added `condition` and `scope` fields to rule frontmatter for advanced TTSR matching and stream filtering - Added `ttsr.interruptMode` setting to control when TTSR rules interrupt mid-stream vs inject warnings after completion - Added support for loading rules, prompts, commands, context files (AGENTS.md), and system prompts (SYSTEM.md) from ~/.agent/ directory (with fallback to ~/.agents/) diff --git a/packages/coding-agent/DEVELOPMENT.md b/packages/coding-agent/DEVELOPMENT.md index 395a72bb9..510fe5f99 100644 --- a/packages/coding-agent/DEVELOPMENT.md +++ b/packages/coding-agent/DEVELOPMENT.md @@ -699,6 +699,7 @@ Key CLI flags for development: - `--no-tools`: Disable all built-in tools (extension-only setups) - `--no-extensions`: Disable extension discovery (explicit `-e` paths still work) - `--no-skills`: Disable skill discovery +- `--no-rules`: Disable rules discovery - `--session `: Resume by session ID prefix (UUID match) or path ## SDK Exports diff --git a/packages/coding-agent/src/cli/args.ts b/packages/coding-agent/src/cli/args.ts index 03ce40415..6cc242ba3 100644 --- a/packages/coding-agent/src/cli/args.ts +++ b/packages/coding-agent/src/cli/args.ts @@ -40,6 +40,7 @@ export interface Args { export?: string; noSkills?: boolean; skills?: string[]; + noRules?: boolean; listModels?: string | true; noTitle?: boolean; messages: string[]; @@ -150,6 +151,8 @@ export function parseArgs(args: string[], extensionFlags?: Map 0) { diff --git a/packages/coding-agent/src/modes/rpc/rpc-client.ts b/packages/coding-agent/src/modes/rpc/rpc-client.ts index cb129d099..6a47be4a0 100644 --- a/packages/coding-agent/src/modes/rpc/rpc-client.ts +++ b/packages/coding-agent/src/modes/rpc/rpc-client.ts @@ -28,6 +28,8 @@ export interface RpcClientOptions { provider?: string; /** Model ID to use */ model?: string; + /** Session directory for the agent */ + sessionDir?: string; /** Additional CLI arguments */ args?: string[]; } @@ -108,6 +110,9 @@ export class RpcClient { if (this.options.model) { args.push("--model", this.options.model); } + if (this.options.sessionDir) { + args.push("--session-dir", this.options.sessionDir); + } if (this.options.args) { args.push(...this.options.args); } @@ -153,6 +158,17 @@ export class RpcClient { this.#pendingRequests.clear(); } + /** + * Stop the RPC agent process and clean up resources. + */ + [Symbol.dispose](): void { + try { + this.stop(); + } catch { + // Ignore cleanup errors + } + } + /** * Subscribe to agent events. */ diff --git a/packages/coding-agent/src/sdk.ts b/packages/coding-agent/src/sdk.ts index 783df1395..f20151f63 100644 --- a/packages/coding-agent/src/sdk.ts +++ b/packages/coding-agent/src/sdk.ts @@ -133,6 +133,8 @@ export interface CreateAgentSessionOptions { skills?: Skill[]; /** Skills to inline into the system prompt instead of listing available skills. */ preloadedSkills?: Skill[]; + /** Rules. Default: discovered from multiple locations */ + rules?: Rule[]; /** Context files (AGENTS.md content). Default: discovered walking up from cwd */ contextFiles?: Array<{ path: string; content: string }>; /** Prompt templates. Default: discovered from cwd/.omp/prompts/ + agentDir/prompts/ */ @@ -671,7 +673,10 @@ export async function createAgentSession(options: CreateAgentSessionOptions = {} // Discover rules const ttsrSettings = settings.getGroup("ttsr"); const ttsrManager = new TtsrManager(ttsrSettings); - const rulesResult = await loadCapability(ruleCapability.id, { cwd }); + const rulesResult = + options.rules !== undefined + ? { items: options.rules, warnings: undefined } + : await loadCapability(ruleCapability.id, { cwd }); const registeredTtsrRuleNames = new Set(); for (const rule of rulesResult.items) { if (rule.condition && rule.condition.length > 0) { diff --git a/packages/coding-agent/test/args.test.ts b/packages/coding-agent/test/args.test.ts index 6e738d48f..ad940d993 100644 --- a/packages/coding-agent/test/args.test.ts +++ b/packages/coding-agent/test/args.test.ts @@ -181,6 +181,13 @@ describe("parseArgs", () => { }); }); + describe("--no-rules flag", () => { + test("parses --no-rules flag", () => { + const result = parseArgs(["--no-rules"]); + expect(result.noRules).toBe(true); + }); + }); + describe("--no-tools flag", () => { test("parses --no-tools flag", () => { const result = parseArgs(["--no-tools"]); diff --git a/packages/react-edit-benchmark/fixtures.tar.gz b/packages/react-edit-benchmark/fixtures.tar.gz index 274614651..b4e5627a6 100644 Binary files a/packages/react-edit-benchmark/fixtures.tar.gz and b/packages/react-edit-benchmark/fixtures.tar.gz differ diff --git a/packages/react-edit-benchmark/runs/claude-haiku-4-5_hashline-nointent_2026-02-18T03-54-16.md b/packages/react-edit-benchmark/runs/claude-haiku-4-5_hashline-nointent_2026-02-18T03-54-16.md new file mode 100644 index 000000000..7530d35c7 --- /dev/null +++ b/packages/react-edit-benchmark/runs/claude-haiku-4-5_hashline-nointent_2026-02-18T03-54-16.md @@ -0,0 +1,1460 @@ +# Edit Benchmark Report + +## Configuration + +| Setting | Value | +|---------|-------| +| Date | 2026-02-18T03:49:21.553Z | +| Model | p-anthropic/p-anthropic/claude-haiku-4-5 | +| Thinking Level | low | +| Runs per task | 1 | +| Edit Variant | hashline | +| Edit Fuzzy | auto | +| Edit Fuzzy Threshold | auto | +| Guided Mode | no | +| Max Attempts | 1 | +| No-op Retry Limit | 2 | +| Mutation Scope Window | 20 | +| Require Edit Tool | no | +| Require Read Tool | no | +| No-Edit Baseline | no | + +## Summary + +| Metric | Value | +|--------|-------| +| Total Tasks | 80 | +| Total Runs | 80 | +| Successful Runs | 57 | +| **Task Success Rate** | **71.3% (57/80)** | +| Verified Rate | 71.3% (57/80) | +| Edit Tool Usage Rate | 95.0% (76/80) | +| **Edit Success Rate** | **87.0%** | +| Timeout Runs | 0 | +| Mutation Intent Match Rate | 80.3% | +| Patch Failure Rate | 13.0% (13/100) | +| Tasks All Passing | 57 | +| Tasks Flaky/Failing | 23 | + +### Tool Calls + +| Tool | Total | Avg/Run | +|------|-------|---------| +| Read | 195 | 2.4 | +| Edit | 100 | 1.3 | +| Write | 0 | 0.0 | +| **Tool Input Chars** | 29,336 | 367 | + +### Tokens & Time + +| Metric | Total | Avg/Run | +|--------|-------|---------| +| Input Tokens | 1,873 | 23 | +| Output Tokens | 76,489 | 956 | +| Total Tokens | 4,343,340 | 54,292 | +| Duration | 1208.0s | 15.1s | +| **Avg Indent Score** | — | **0.06** | + +### Hashline Edit Subtypes + +| Operation | Count | % | +|-----------|-------|---| +| set_line | 99 | 84.6% | +| replace_lines | 4 | 3.4% | +| insert_after | 8 | 6.8% | +| replace | 6 | 5.1% | +| **Total** | **117** | 100% | + +## Task Results + +| Task | File | Success | Edit Hit | R/E/W | Tokens (In/Out) | Time | Indent | +|------|------|---------|----------|-------|-----------------|------|--------| +| Access Remove Optional Chain 001 | fallbackEvalContext.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/472 | 6.8s | 0.00 | +| Access Remove Optional Chain 003 | hookNamesCache.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/748 | 9.6s | 0.00 | +| Access Remove Optional Chain 005 | registerDevToolsEventLogger.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/972 | 10.1s | 0.00 | +| Access Remove Optional Chain 007 | index.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/829 | 9.2s | 0.00 | +| Call Swap Call Args 001 | formatConsoleArguments.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/486 | 6.3s | 0.00 | +| Call Swap Call Args 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/841 | 10.1s | 0.00 | +| Call Swap Call Args 005 | ReactNoopPersistent.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/542 | 5.7s | 0.00 | +| Call Swap Call Args 007 | parseSourceAndMetadata.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/676 | 8.8s | 0.00 | +| Duplicate Duplicate Line Flip 001 | isCustomElement.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/445 | 6.2s | 0.00 | +| Duplicate Duplicate Line Flip 003 | ReactFiberDevToolsHook.js | 0/1 ❌ | 40.0% | 8/5/0 | 88/9,757 | 196.0s | 0.00 | +| Duplicate Duplicate Line Flip 005 | shallowEqual.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/455 | 7.6s | 0.00 | +| Duplicate Duplicate Line Flip 007 | ReactDOMEventReplaying.js | 0/1 ❌ | 100.0% | 3/1/0 | 15/1,093 | 254.1s | 2.55 | +| Identifier Identifier Multi Edit 001 | Button.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/538 | 6.5s | 0.00 | +| Identifier Identifier Multi Edit 003 | ReactFlightDOMClientBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/826 | 9.6s | 0.00 | +| Identifier Identifier Multi Edit 005 | githubAPI.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/532 | 5.6s | 0.00 | +| Identifier Identifier Multi Edit 007 | ReactFiberComponentStack.js | 1/1 ✅ | 50.0% | 4/2/0 | 34/1,109 | 14.0s | 0.00 | +| Import Swap Named Imports 001 | ListApp.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/526 | 6.4s | 0.00 | +| Import Swap Named Imports 003 | index.js | 0/1 ❌ | 100.0% | 3/1/0 | 23/734 | 9.4s | 0.00 | +| Import Swap Named Imports 005 | SuspenseScrubber.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/466 | 6.5s | 0.00 | +| Import Swap Named Imports 007 | InspectedElement.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/698 | 9.6s | 0.00 | +| Literal Flip Boolean 001 | ReactDOMLegacyServerImpl.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/1,167 | 14.2s | 0.00 | +| Literal Flip Boolean 003 | ReactProfilerTimer.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/839 | 11.4s | 0.00 | +| Literal Flip Boolean 005 | OpenInEditorButton.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/892 | 9.9s | 0.00 | +| Literal Flip Boolean 007 | Element.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/799 | 9.4s | 0.00 | +| Literal Off By One 001 | ReactOwnerStackFrames.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/508 | 6.2s | 0.00 | +| Literal Off By One 003 | ReactFlightClientConfigBundlerTurbopack.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/725 | 9.2s | 0.00 | +| Literal Off By One 005 | ContextMenu.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/503 | 6.3s | 0.00 | +| Literal Off By One 007 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/496 | 7.7s | 0.00 | +| Operator Remove Negation 001 | prepareInjection.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/442 | 5.8s | 0.00 | +| Operator Remove Negation 003 | ReactDOMSelection.js | 0/1 ❌ | 100.0% | 3/1/0 | 23/1,371 | 15.1s | 0.00 | +| Operator Remove Negation 005 | ReactDOMContainer.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/1,284 | 13.6s | 0.00 | +| Operator Remove Negation 007 | SelectEventPlugin.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/1,024 | 12.0s | 0.00 | +| Operator Swap Arithmetic 001 | formatConsoleArguments.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/427 | 5.8s | 0.00 | +| Operator Swap Arithmetic 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/1,124 | 12.6s | 0.00 | +| Operator Swap Arithmetic 005 | ReactFiberConfigWithNoResources.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/439 | 5.6s | 0.00 | +| Operator Swap Arithmetic 007 | useCanvasInteraction.js | 0/1 ❌ | 100.0% | 3/1/0 | 23/551 | 7.5s | 0.00 | +| Operator Swap Comparison 001 | useSmartTooltip.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/1,013 | 11.1s | 0.00 | +| Operator Swap Comparison 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/879 | 10.1s | 0.00 | +| Operator Swap Comparison 005 | Rectangle.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/602 | 6.4s | 0.00 | +| Operator Swap Comparison 007 | ReactFiberTreeReflection.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/808 | 10.6s | 0.00 | +| Operator Swap Equality 001 | ReactNoopFlightClient.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/554 | 7.4s | 0.00 | +| Operator Swap Equality 003 | astUtils.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/680 | 9.1s | 0.00 | +| Operator Swap Equality 005 | ReactDOMContainer.js | 1/1 ✅ | 100.0% | 3/1/0 | 27/812 | 9.3s | 0.00 | +| Operator Swap Equality 007 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/970 | 14.6s | 0.00 | +| Operator Swap Increment Decrement 001 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/424 | 5.9s | 0.00 | +| Operator Swap Increment Decrement 003 | ReactFlightClientConfigBundlerESM.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/668 | 8.7s | 0.00 | +| Operator Swap Increment Decrement 005 | ReactFiberViewTransitionComponent.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/612 | 8.0s | 0.00 | +| Operator Swap Increment Decrement 007 | ReactFiberConcurrentUpdates.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/744 | 10.0s | 0.00 | +| Operator Swap Logical 001 | ErrorView.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Operator Swap Logical 003 | DevTools.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/584 | 8.6s | 0.00 | +| Operator Swap Logical 005 | UseEffectEvent.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/607 | 7.3s | 0.00 | +| Operator Swap Logical 007 | getHookNameForLocation.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/664 | 9.8s | 0.00 | +| Operator Swap Nullish 001 | ElementBadges.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Operator Swap Nullish 003 | ReactComponentStackFrame.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/812 | 10.4s | 0.00 | +| Operator Swap Nullish 005 | ReactLogo.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/792 | 9.3s | 0.00 | +| Operator Swap Nullish 007 | SuspenseBreadcrumbs.js | 0/1 ❌ | 100.0% | 3/1/0 | 23/1,231 | 13.0s | 0.00 | +| Regex Swap Regex Quantifier 001 | SimpleValues.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Regex Swap Regex Quantifier 003 | utils.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/1,074 | 10.8s | 0.00 | +| Regex Swap Regex Quantifier 005 | formatWithStyles.js | 1/1 ✅ | 40.0% | 6/10/0 | 105/4,461 | 40.9s | 0.00 | +| Regex Swap Regex Quantifier 007 | RunReactCompiler.ts | 1/1 ✅ | 100.0% | 6/3/0 | 48/6,934 | 58.4s | 0.00 | +| Structural Delete Statement 001 | useExtensionComponentsPanelVisibility.js | 0/1 ❌ | 50.0% | 2/2/0 | 26/654 | 8.4s | 0.00 | +| Structural Delete Statement 003 | useCanvasInteraction.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/657 | 7.1s | 0.00 | +| Structural Delete Statement 005 | StackTraceView.js | 0/1 ❌ | 50.0% | 2/2/0 | 26/807 | 11.8s | 0.00 | +| Structural Delete Statement 007 | ReactDOMFizzStaticBrowser.js | 0/1 ❌ | 50.0% | 2/2/0 | 26/1,043 | 11.1s | 0.00 | +| Structural Remove Early Return 001 | ReactFlightAsyncDispatcher.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Structural Remove Early Return 003 | ReactDOMComponentTree.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/1,463 | 16.8s | 0.00 | +| Structural Remove Early Return 005 | TabBar.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/671 | 11.9s | 0.00 | +| Structural Remove Early Return 007 | CommitTreeBuilder.js | 0/1 ❌ | 100.0% | 3/6/0 | 49/1,680 | 18.4s | 1.73 | +| Structural Swap Adjacent Lines 001 | reactPolling.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/538 | 6.3s | 0.00 | +| Structural Swap Adjacent Lines 003 | OwnersStack.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/576 | 6.6s | 0.00 | +| Structural Swap Adjacent Lines 005 | ReactOwnerStackFrames.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/577 | 6.9s | 0.00 | +| Structural Swap Adjacent Lines 007 | ReactFlightClientConfigBundlerWebpack.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/859 | 8.8s | 0.00 | +| Structural Swap If Else 001 | utils.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/860 | 8.8s | 0.00 | +| Structural Swap If Else 003 | ReactDOMFloat.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/1,191 | 11.1s | 0.00 | +| Structural Swap If Else 005 | ReactClientConsoleConfigPlain.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/744 | 7.8s | 0.00 | +| Structural Swap If Else 007 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/819 | 9.4s | 0.00 | +| Unicode Unicode Hyphen 001 | formatProdErrorMessage.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/455 | 5.6s | 0.00 | +| Unicode Unicode Hyphen 003 | SourceMapConsumer.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/504 | 6.6s | 0.00 | +| Unicode Unicode Hyphen 005 | babel.config.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/434 | 5.2s | 0.00 | +| Unicode Unicode Hyphen 007 | ReactInternalTestUtils.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/696 | 9.4s | 0.00 | + +## Category Summary + +| Category | Runs | Verified | Edit Used | Success | Min/Avg/Max Difficulty | +|----------|------|----------|-----------|---------|------------------------| +| access | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 3 / 7.5 / 10 | +| call | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 2 / 7.8 / 14 | +| duplicate | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | 8 / 11.3 / 17 | +| identifier | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 4 / 6.8 / 9 | +| import | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 2 / 3.8 / 5 | +| literal | 8 | 87.5% (7/8) | 100.0% (8/8) | 87.5% (7/8) | 3 / 6.9 / 10 | +| operator | 26 | 84.6% (22/26) | 100.0% (26/26) | 84.6% (22/26) | 3 / 6.9 / 10 | +| regex | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | 3 / 7.0 / 10 | +| structural | 15 | 33.3% (5/15) | 100.0% (15/15) | 33.3% (5/15) | 4 / 8.5 / 13 | +| unicode | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 2 / 4.8 / 8 | +| unknown | 4 | 0.0% (0/4) | 0.0% (0/4) | 0.0% (0/4) | — | + +## Mutation Summary + +| Mutation | Category | Runs | Verified | Edit Used | Success | +|----------|----------|------|----------|-----------|---------| +| delete-statement | structural | 4 | 0.0% (0/4) | 100.0% (4/4) | 0.0% (0/4) | +| duplicate-line-flip | duplicate | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| flip-boolean | literal | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| identifier-multi-edit | identifier | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| off-by-one | literal | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| remove-early-return | structural | 3 | 0.0% (0/3) | 100.0% (3/3) | 0.0% (0/3) | +| remove-negation | operator | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| remove-optional-chain | access | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-adjacent-lines | structural | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-arithmetic | operator | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-call-args | call | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-comparison | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-equality | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-if-else | structural | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| swap-increment-decrement | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-logical | operator | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | +| swap-named-imports | import | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-nullish | operator | 3 | 66.7% (2/3) | 100.0% (3/3) | 66.7% (2/3) | +| swap-regex-quantifier | regex | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | +| unicode-hyphen | unicode | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| unknown | unknown | 4 | 0.0% (0/4) | 0.0% (0/4) | 0.0% (0/4) | + +## Difficulty Summary + +| Difficulty Score | Runs | Verified | Edit Used | Success | +|------------------|------|----------|-----------|---------| +| 0-2 | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | +| 3-5 | 22 | 81.8% (18/22) | 100.0% (22/22) | 81.8% (18/22) | +| 6-8 | 26 | 73.1% (19/26) | 100.0% (26/26) | 73.1% (19/26) | +| 9+ | 25 | 68.0% (17/25) | 100.0% (25/25) | 68.0% (17/25) | +| unknown | 4 | 0.0% (0/4) | 0.0% (0/4) | 0.0% (0/4) | + +## Edit Tool Errors + +Failures where the edit tool returned an error or failed to apply the patch. + +### Duplicate Duplicate Line Flip 003 (ReactFiberDevToolsHook.js) + +#### Run 1 + +##### Attempt 1 + +- Path: ReactFiberDevToolsHook.js +- Operation: — + +**Tool error** + +``` +No changes made to ReactFiberDevToolsHook.js. The edits produced identical content. +Edit 0: replacement for 237:e6 is identical to current content: + 237:e6| typeof injectedProfilingHooks.markComponentRenderStopped === 'function' +Your content must differ from what the file already contains. Re-read the file to see the current state. +``` + +**Patch args** + +```diff +{ + "path": "ReactFiberDevToolsHook.js", + "edits": [ + { + "set_line": { + "anchor": "237:e6", + "new_text": " typeof injectedProfilingHooks.markComponentRenderStopped === 'function'" + } + } + ] +} +``` + +##### Attempt 2 + +- Path: ReactFiberDevToolsHook.js +- Operation: — + +**Tool error** + +``` +No changes made to ReactFiberDevToolsHook.js. The edits produced identical content. +Edit 0: replacement for 413:e8 is identical to current content: + 413:e8| typeof injectedProfilingHooks.markRenderYielded === 'function' +Your content must differ from what the file already contains. Re-read the file to see the current state. +``` + +**Patch args** + +```diff +{ + "path": "ReactFiberDevToolsHook.js", + "edits": [ + { + "set_line": { + "anchor": "413:e8", + "new_text": " typeof injectedProfilingHooks.markRenderYielded === 'function'" + } + } + ] +} +``` + +##### Attempt 3 + +- Path: ReactFiberDevToolsHook.js +- Operation: — + +**Tool error** + +``` +No changes made to ReactFiberDevToolsHook.js. The edits produced identical content. +``` + +**Patch args** + +```diff +{ + "path": "ReactFiberDevToolsHook.js", + "edits": [ + { + "replace": { + "old_text": "export function markComponentPassiveEffectUnmountStopped(): void {\n if (enableSchedulingProfiler) {\n if (\n injectedProfilingHooks !== null &&\n typeof injectedProfilingHooks.markComponentRenderStopped === 'function'", + "new_text": "export function markComponentPassiveEffectUnmountStopped(): void {\n if (enableSchedulingProfiler) {\n if (\n injectedProfilingHooks !== null &&\n typeof injectedProfilingHooks.markComponentPassiveEffectUnmountStopped === 'function'" + } + } + ] +} +``` + +### Identifier Identifier Multi Edit 007 (ReactFiberComponentStack.js) + +#### Run 1 + +##### Attempt 1 + +- Path: ReactFiberComponentStack.js +- Operation: — + +**Tool error** + +``` +1 line has changed since last read. Use the updated LINE:HASH references shown below (>>> marks changed lines). + + 83:4f| if (edbugInfo) { + 84:6f| for (let i = edbugInfo.length - 1; i >= 0; i--) { +>>> 85:8f| const entry = edbugInfo[i]; + 86:f8| if (typeof entry.name === 'string') { + 87:7f| info += describeDebugInfoFrame(entry.name, entry.env, entry.debugLocation); +``` + +**Patch args** + +```diff +{ + "path": "ReactFiberComponentStack.js", + "edits": [ + { + "set_line": { + "anchor": "83:4f", + "new_text": " if (debugInfo) {" + } + }, + { + "set_line": { + "anchor": "84:8f", + "new_text": " for (let i = debugInfo.length - 1; i >= 0; i--) {" + } + }, + { + "set_line": { + "anchor": "85:f8", + "new_text": " const entry = debugInfo[i];" + } + } + ] +} +``` + +### Regex Swap Regex Quantifier 005 (formatWithStyles.js) + +#### Run 1 + +##### Attempt 1 + +- Path: formatWithStyles.js +- Operation: — + +**Tool error** + +``` +No changes made to formatWithStyles.js. The edits produced identical content. +Edit 0: replacement for 45:68 is identical to current content: + 45:68| const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g; +Your content must differ from what the file already contains. Re-read the file to see the current state. +The file differs from the original fixture at these lines: +45:b4 - const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; +46:68 + const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; +``` + +**Patch args** + +```diff +{ + "path": "formatWithStyles.js", + "edits": [ + { + "set_line": { + "anchor": "45:68", + "new_text": " const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g;" + } + } + ] +} +``` + +##### Attempt 2 + +- Path: formatWithStyles.js +- Operation: — + +**Tool error** + +``` +No changes made to formatWithStyles.js. The edits produced identical content. +Edit 0: replacement for 45:68 is identical to current content: + 45:68| const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g; +Your content must differ from what the file already contains. Re-read the file to see the current state. +The file differs from the original fixture at these lines: +45:b4 - const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; +46:68 + const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; +``` + +**Patch args** + +```diff +{ + "path": "formatWithStyles.js", + "edits": [ + { + "set_line": { + "anchor": "45:68", + "new_text": " const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g;" + } + } + ] +} +``` + +##### Attempt 3 + +- Path: formatWithStyles.js +- Operation: — + +**Tool error** + +``` +No changes made to formatWithStyles.js. The edits produced identical content. +The file differs from the original fixture at these lines: +45:b4 - const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; +46:68 + const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; +``` + +**Patch args** + +```diff +{ + "path": "formatWithStyles.js", + "edits": [ + { + "replace": { + "old_text": "/([^%]|^)((%%)*)(%([ oOdisf]))/g;", + "new_text": "/([^%]|^)((%%)*)(%([ oOdisf]))/g;" + } + } + ] +} +``` + +##### Attempt 4 + +- Path: formatWithStyles.js +- Operation: — + +**Tool error** + +``` +No changes made to formatWithStyles.js. The edits produced identical content. +The file differs from the original fixture at these lines: +45:b4 - const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; +46:68 + const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; +``` + +**Patch args** + +```diff +{ + "path": "formatWithStyles.js", + "edits": [ + { + "replace": { + "old_text": "const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g;", + "new_text": "const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g;" + } + } + ] +} +``` + +##### Attempt 5 + +- Path: formatWithStyles.js +- Operation: — + +**Tool error** + +``` +No changes made to formatWithStyles.js. The edits produced identical content. +The file differs from the original fixture at these lines: +45:b4 - const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; +46:68 + const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; +``` + +**Patch args** + +```diff +{ + "path": "formatWithStyles.js", + "edits": [ + { + "replace": { + "old_text": "((%%)*)(%([ oOdisf]))", + "new_text": "((%%)*)(%([ oOdisf]))" + } + } + ] +} +``` + +##### Attempt 6 + +- Path: formatWithStyles.js +- Operation: — + +**Tool error** + +``` +No changes made to formatWithStyles.js. The edits produced identical content. +The file differs from the original fixture at these lines: +45:b4 - const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; +46:68 + const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; +``` + +**Patch args** + +```diff +{ + "path": "formatWithStyles.js", + "edits": [ + { + "replace": { + "old_text": " const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g;", + "new_text": " const REGEXP = /([^%]|^)((%%)*)(%([ oOdisf]))/g;" + } + } + ] +} +``` + +### Structural Delete Statement 001 (useExtensionComponentsPanelVisibility.js) + +#### Run 1 + +##### Attempt 1 + +- Path: useExtensionComponentsPanelVisibility.js +- Operation: — + +**Tool error** + +``` +Validation failed for tool "edit": + - edits/0: must have required property 'set_line' + - edits/0: must have required property 'replace_lines' + - edits/0/insert_after: must be object + - edits/0: must have required property 'replace' + - edits/0: must match a schema in anyOf + +Received arguments: +{ + "path": "useExtensionComponentsPanelVisibility.js", + "edits": [ + { + "insert_after": "15:c1", + "text": " const [isVisible, setIsVisible] = useState(true);" + } + ] +} +``` + +**Patch args** + +```diff +{ + "path": "useExtensionComponentsPanelVisibility.js", + "edits": [ + { + "insert_after": "15:c1", + "text": " const [isVisible, setIsVisible] = useState(true);" + } + ] +} +``` + +### Structural Delete Statement 005 (StackTraceView.js) + +#### Run 1 + +##### Attempt 1 + +- Path: StackTraceView.js +- Operation: — + +**Tool error** + +``` +Validation failed for tool "edit": + - edits/0: must have required property 'set_line' + - edits/0: must have required property 'replace_lines' + - edits/0/insert_after: must be object + - edits/0: must have required property 'replace' + - edits/0: must match a schema in anyOf + +Received arguments: +{ + "path": "StackTraceView.js", + "edits": [ + { + "insert_after": "37:96", + "text": " const ignored = callSite[4];" + } + ] +} +``` + +**Patch args** + +```diff +{ + "path": "StackTraceView.js", + "edits": [ + { + "insert_after": "37:96", + "text": " const ignored = callSite[4];" + } + ] +} +``` + +### Structural Delete Statement 007 (ReactDOMFizzStaticBrowser.js) + +#### Run 1 + +##### Attempt 1 + +- Path: ReactDOMFizzStaticBrowser.js +- Operation: — + +**Tool error** + +``` +Validation failed for tool "edit": + - edits/0: must have required property 'set_line' + - edits/0: must have required property 'replace_lines' + - edits/0/insert_after: must be object + - edits/0: must have required property 'replace' + - edits/0: must match a schema in anyOf + +Received arguments: +{ + "path": "ReactDOMFizzStaticBrowser.js", + "edits": [ + { + "insert_after": "71:84", + "text": " const stream = new ReadableStream(\n {\n type: 'bytes',\n pull: (controller): ?Promise => {\n startFlowing(request, controller);\n },\n cancel: (reason): ?Promise => {\n stopFlowing(request);\n abort(request, reason);\n },\n },\n // $FlowFixMe[prop-missing] size() methods are not allowed on byte streams.\n { highWaterMark: 0 },\n );\n" + } + ] +} +``` + +**Patch args** + +```diff +{ + "path": "ReactDOMFizzStaticBrowser.js", + "edits": [ + { + "insert_after": "71:84", + "text": " const stream = new ReadableStream(\n {\n type: 'bytes',\n pull: (controller): ?Promise => {\n startFlowing(request, controller);\n },\n cancel: (reason): ?Promise => {\n stopFlowing(request);\n abort(request, reason);\n },\n },\n // $FlowFixMe[prop-missing] size() methods are not allowed on byte streams.\n { highWaterMark: 0 },\n );\n" + } + ] +} +``` + +## Failed Tasks (0% passing) + +### Access Remove Optional Chain 007 (index.js) — 0/1 + +**All runs failed with same error:** File mismatch for index.js + +**Sample agent response (run 1):** +``` +Perfect. The fix has been applied. The optional chaining operator `?.` has been restored on line 661, changing from `if (maybeError && maybeError.isError)` to `if (maybeError?.isError)`. +``` + +**Diff (expected vs actual):** +```diff +@@ -64 @@ + }, + + send(event: string, payload: any, transferable?: Array) { +- port?.postMessage({ event, payload }, transferable); ++ port.postMessage({ event, payload }, transferable); + }, + }); + +@@ -658 @@ + lineNumber - 1, + columnNumber - 1, + (maybeError) => { +- if (maybeError && maybeError.isError) { ++ if (maybeError?.isError) { + // Not a resource Chrome can open. Fallback to browser default behavior. + window.open(resource.url); + } +``` + +### Duplicate Duplicate Line Flip 003 (ReactFiberDevToolsHook.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactFiberDevToolsHook.js + +**Sample agent response (run 1):** +``` +Perfect! The fix is complete and correct. Let me summarize what was fixed: + +**The Bug**: Line 281 was checking for `markComponentRenderStopped` when it should have been checking for `markComponentPassiveEffectUnmountStopped`. This was a copy-paste error where line 281 was duplicated from line 237, but the function name wasn't updated correctly. + +**The Fix**: Changed line 281 from: +``` + typeof injectedProfilingHooks.markComponentRenderStopped === 'function' +``` + +to: +``` + typeof injec... +``` + +**Diff (expected vs actual):** +```diff +@@ -46 @@ + export function injectInternals(internals: Object): boolean { + if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined') { + // No DevTools +- return false; ++ return true; + } + const hook = __REACT_DEVTOOLS_GLOBAL_HOOK__; + if (hook.isDisabled) { +``` + +### Duplicate Duplicate Line Flip 007 (ReactDOMEventReplaying.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMEventReplaying.js + +**Sample agent response (run 1):** +``` +Perfect! The fix has been applied. Line 451 now reads: +```javascript + if (enableHydrationChangeEvent) { +``` + +Instead of the buggy: +```javascript + if (!enableHydrationChangeEvent) { +``` + +This is the subtle operator change - the `!` negation operator was incorrectly present and has been removed. The line is now consistent with line 434, which also checks `if (enableHydrationChangeEvent)`. Both functions now correctly enable the hydration change event mechanism when the feature flag is enabled. +``` + +**Diff (expected vs actual):** +```diff +@@ -250 @@ + targetContainer, + mouseEvent, + ); +- return true; ++ return false; + } + case 'pointerover': { + const pointerEvent = ((nativeEvent: any): PointerEventType); +@@ -454 @@ + hasScheduledReplayAttempt = true; + } + } +-} + + function scheduleCallbackIfUnblocked( + queuedEvent: QueuedReplayableEvent, +@@ -470 @@ + // We could check it early to avoid scheduling an unnecessary callback. + scheduleCallback(NormalPriority, replayUnblockedEvents); + } ++ } + } + } + } + } +-} + + type FormAction = (FormData) => void | Promise; + +@@ -501 @@ + // We're blocked on something in this React instance. We'll retry later. + break; + } +- } ++ } + const formInst = getInstanceFromNode(form); + if (formInst !== null) { + // This is part of our instance. +@@ -517 @@ + // we'd need some way for the other instance to ping us when it's done. + // We'll just skip this and let the other instance execute it. + } +-} ++ } + + function scheduleReplayQueueIfNeeded(formReplayingQueue: FormReplayingQueue) { + // Schedule a callback to execute any unblocked form actions in. +@@ -528 @@ + lastScheduledReplayQueue = formReplayingQueue; + scheduleCallback(NormalPriority, () => replayUnblockedFormActions(formReplayingQueue)); + } +-} ++ } + + export function retryIfBlockedOn(unblocked: Container | SuspenseInstance | ActivityInstance): void { + if (queuedFocus !== null) { +@@ -550 @@ + if (queuedTarget.blockedOn === unblocked) { + queuedTarget.blockedOn = null; + } +- } ++ } + + while (queuedExplicitHydrationTargets.length > 0) { + const nextExplicitTarget = queuedExplicitHydrationTargets[0]; +@@ -563 @@ + // We're unblocked. + queuedExplicitHydrationTargets.shift(); + } ++ } + } + } +- } + + // Check the document if there are any queued form actions. + // If there's no ownerDocument, then this is the document. +@@ -627... +``` + +### Import Swap Named Imports 003 (index.js) — 0/1 + +**All runs failed with same error:** File mismatch for index.js + +**Sample agent response (run 1):** +``` +Perfect. The bug is fixed. The two named imports `Fragment` and `useState` were swapped in the destructuring import on line 11. I've corrected the order from: + +```javascript +import { useDebugValue, Fragment, useState } from 'react'; +``` + +to: + +```javascript +import { useDebugValue, useState, Fragment } from 'react'; +``` + +This is the minimal change required—only the specific tokens were reordered to fix the swapped imports. +``` + +**Diff (expected vs actual):** +```diff +@@ -8 @@ + */ + + import * as React from 'react'; +-import { Fragment, useDebugValue, useState } from 'react'; ++import { useDebugValue, useState, Fragment } from 'react'; + + const div = document.createElement('div'); + const exampleFunction = () => {}; +``` + +### Literal Flip Boolean 001 (ReactDOMLegacyServerImpl.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMLegacyServerImpl.js + +**Sample agent response (run 1):** +``` +Perfect. The boolean literal on line 45 (which is part of the function starting on line 41) has been flipped from `true` to `false`. This is the correct fix for the destination object's `push` method, which should return `false` to indicate that it has processed the chunk and is ready for more (the semantics of writable stream's `push` return value). +``` + +**Diff (expected vs actual):** +```diff +@@ -33 @@ + generateStaticMarkup: boolean, + abortReason: string, + ): string { +- let didFatal = false; ++ let didFatal = true; + let fatalError = null; + let result = ''; + const destination = { +@@ -42 @@ + if (chunk !== null) { + result += chunk; + } +- return true; ++ return false; + }, + // $FlowFixMe[missing-local-annot] + destroy(error) { +``` + +### Operator Remove Negation 003 (ReactDOMSelection.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMSelection.js + +**Sample agent response (run 1):** +``` +Perfect. The fix has been applied. Line 106 now correctly checks `=== null` instead of `!== null`, which fixes the tree traversal logic. The condition now properly breaks when there is no next sibling (matching the pattern of the first inner loop which breaks when there is no first child). +``` + +**Diff (expected vs actual):** +```diff +@@ -103 @@ + if (parentNode === focusNode && ++indexWithinFocus === focusOffset) { + end = length; + } +- if ((next = node.nextSibling) !== null) { ++ if ((next = node.nextSibling) === null) { + break; + } + node = parentNode; +@@ -156 @@ + + // IE 11 uses modern selection, but doesn't support the extend method. + // Flip backward selections, so we can set with a single range. +- if (!selection.extend && start > end) { ++ if (selection.extend && start > end) { + const temp = end; + end = start; + start = temp; +``` + +### Operator Remove Negation 005 (ReactDOMContainer.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMContainer.js + +**Sample agent response (run 1):** +``` +Perfect. The fix has been applied. Line 16 now correctly reads `node &&` instead of `!node &&`. This restores the logical negation that was missing from the initial condition. The function now properly checks that `node` exists before checking its `nodeType` properties. +``` + +**Diff (expected vs actual):** +```diff +@@ -12 @@ + import { ELEMENT_NODE, COMMENT_NODE, DOCUMENT_NODE, DOCUMENT_FRAGMENT_NODE } from './HTMLNodeType'; + + export function isValidContainer(node: any): boolean { +- return !!( ++ return ( + node && + (node.nodeType === ELEMENT_NODE || + node.nodeType === DOCUMENT_NODE || +``` + +### Operator Swap Arithmetic 007 (useCanvasInteraction.js) — 0/1 + +**All runs failed with same error:** File mismatch for useCanvasInteraction.js + +**Sample agent response (run 1):** +``` +✓ Fixed. The operator on line 130 was changed from `-` to `+`, making the coordinate conversion consistent: both `x` and `y` now correctly add their respective offsets (`left` and `top`) when converting from local to canvas coordinates. +``` + +**Diff (expected vs actual):** +```diff +@@ -126 @@ + // $FlowFixMe[incompatible-call] found when upgrading Flow + const canvasRect = cacheFirstGetCanvasBoundingRect(canvas); + return { +- x: localCoordinates.x - canvasRect.left, +- y: localCoordinates.y - canvasRect.top, ++ x: localCoordinates.x + canvasRect.left, ++ y: localCoordinates.y + canvasRect.top, + }; + } + +``` + +### Operator Swap Logical 001 (ErrorView.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Operator Swap Nullish 001 (ElementBadges.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Operator Swap Nullish 007 (SuspenseBreadcrumbs.js) — 0/1 + +**All runs failed with same error:** File mismatch for SuspenseBreadcrumbs.js + +**Sample agent response (run 1):** +``` +Perfect. The fix has been applied. Line 228 now uses `||` (logical OR) instead of `??` (nullish coalescing), making it consistent with the pattern used elsewhere in the file (lines 94, 157, 184) where `node.name || 'Unknown'` is the standard fallback pattern for handling empty/falsy name values. +``` + +**Diff (expected vs actual):** +```diff +@@ -225 @@ + +``` + +### Regex Swap Regex Quantifier 001 (SimpleValues.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Structural Delete Statement 001 (useExtensionComponentsPanelVisibility.js) — 0/1 + +**All runs failed with same error:** File mismatch for useExtensionComponentsPanelVisibility.js + +**Sample agent response (run 1):** +``` +Perfect. The critical missing statement has been restored. Line 16 now contains: + +```javascript +const [isVisible, setIsVisible] = useState(true); +``` + +This initializes the state variable `isVisible` with a default value of `true` and provides the setter function `setIsVisible` that was being called on lines 19 and 22 (previously 18 and 21). The fix restores the proper React hook usage pattern and allows the function to work correctly. +``` + +**Diff (expected vs actual):** +```diff +@@ -14 @@ + // For other implementations, this hook will just return constant `true` value. + export function useExtensionComponentsPanelVisibility(bridge: FrontendBridge): boolean { + const [isVisible, setIsVisible] = useState(true); +- + useEffect(() => { + function onPanelShown() { + setIsVisible(true); +``` + +### Structural Delete Statement 003 (useCanvasInteraction.js) — 0/1 + +**All runs failed with same error:** File mismatch for useCanvasInteraction.js + +**Sample agent response (run 1):** +``` +Perfect. The fix is complete. The missing statement `isMouseDownRef.current = true;` has been added to the `onCanvasMouseDown` handler at line 163. This ensures that when the mouse button is pressed, the flag is set, allowing the `onDocumentMouseMove` handler to properly detect that the mouse moved while the button was down, which prevents a click event from firing when it's actually a drag operation. +``` + +**Diff (expected vs actual):** +```diff +@@ -160 @@ + }; + + const onCanvasMouseDown: MouseEventHandler = (event) => { +- didMouseMoveWhileDownRef.current = false; + isMouseDownRef.current = true; + isMouseDownRef.current = true; ++ didMouseMoveWhileDownRef.current = false; + + interactor({ + type: 'mousedown', +``` + +### Structural Delete Statement 005 (StackTraceView.js) — 0/1 + +**All runs failed with same error:** File mismatch for StackTraceView.js + +**Sample agent response (run 1):** +``` +Perfect! The fix is complete. I've restored the deleted statement at line 38: + +```javascript +const ignored = callSite[4]; +``` + +This statement was missing and is now in place right after the destructuring of the first four elements of `callSite` (lines 37), before it's used in the className ternary operator on line 62. The `ignored` variable is now properly defined and can be referenced where it was causing the bug. +``` + +**Diff (expected vs actual):** +```diff +@@ -35 @@ + const fetchFileWithCaching = useContext(FetchFileWithCachingContext); + + const [virtualFunctionName, virtualURL, virtualLine, virtualColumn] = callSite; ++ const ignored = callSite[4]; + + const symbolicatedCallSite: null | SourceMappedLocation = + fetchFileWithCaching !== null +@@ -49 @@ + ); + const [functionName, url, line, column] = + symbolicatedCallSite !== null ? symbolicatedCallSite.location : callSite; +- const ignored = symbolicatedCallSite !== null ? symbolicatedCallSite.ignored : false; ++ + // TODO: Make an option to be able to toggle the display of ignore listed rows. + // Ideally this UI should be higher than a single Stack Trace so that there's not + // multiple buttons in a single inspection taking up space. +``` + +### Structural Delete Statement 007 (ReactDOMFizzStaticBrowser.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMFizzStaticBrowser.js + +**Sample agent response (run 1):** +``` +Perfect! The fix has been applied correctly. The missing `stream` initialization code has been inserted into the `prerender` function's `onAllReady` callback, right where it's needed. Now the `stream` variable is properly defined before it's used in the result object on line 88. + +The fix: +- Added the `const stream = new ReadableStream(...)` declaration (lines 72-85) inside the `onAllReady` function of the `prerender` function +- This matches the pattern already used in the `resumeAndPrerender`... +``` + +**Diff (expected vs actual):** +```diff +@@ -83 @@ + // $FlowFixMe[prop-missing] size() methods are not allowed on byte streams. + { highWaterMark: 0 }, + ); +- + const result: StaticResult = { + postponed: getPostponedState(request), + prelude: stream, +``` + +### Structural Remove Early Return 001 (ReactFlightAsyncDispatcher.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Structural Remove Early Return 003 (ReactDOMComponentTree.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMComponentTree.js + +**Sample agent response (run 1):** +``` +Perfect! The guard clause has been added correctly. The fix inserts a check after computing `targetFiber` (lines 189-192) that: +1. Checks if `targetFiber` exists +2. If it does, assigns it to `targetInst` +3. Breaks out of the `while` loop + +This makes sense with the logic: once we find a valid fiber in the hydration boundary, we should use it and stop searching. The code then returns `targetInst` at line 204, which will now have the found fiber assigned. + +The change is minimal, preserves the ex... +``` + +**Diff (expected vs actual):** +```diff +@@ -185 @@ + ? internalInstanceMap.get(hydrationInstance) + : // $FlowFixMe[prop-missing] + hydrationInstance[internalInstanceKey]; ++ + if (targetFiber) { + if (targetFiber) { +- return targetFiber; ++ targetInst = targetFiber; ++ break; + } + } ++ + // If we don't find a Fiber on the comment, it might be because + // we haven't gotten to hydrate it yet. There might still be a + // parent boundary that hasn't above this one so we need to find +``` + +### Structural Remove Early Return 005 (TabBar.js) — 0/1 + +**All runs failed with same error:** File mismatch for TabBar.js + +**Sample agent response (run 1):** +``` +Perfect. The guard clause has been successfully restored. The fix adds the missing null check: + +- **Line 92-94**: The guard clause `if (tab === null) { return null; }` now prevents the code from attempting to destructure a null value on what is now line 95. + +The pattern is exactly 3 lines as specified: +1. `if (tab === null) {` - the condition +2. `return null;` - the early return statement +3. `}` - the closing brace + +The destructuring of `tab` on line 95 is now safe because the guard clause en... +``` + +**Diff (expected vs actual):** +```diff +@@ -90 @@ + + {tabs.map((tab) => { + if (tab === null) { +- return
; ++ return null; + } + } +- + const { icon, id, label, title } = tab; + + let button = ( +``` + +### Structural Remove Early Return 007 (CommitTreeBuilder.js) — 0/1 + +**All runs failed with same error:** File mismatch for CommitTreeBuilder.js + +**Sample agent response (run 1):** +``` +Perfect. The bug fix is complete. The guard clause has been restored: + +**Summary of changes:** +- Replaced the `if (!nodes.has(parentID)) { // No-op } else { ... }` pattern with a proper guard clause: `if (!nodes.has(parentID)) { continue; }` +- The `continue` statement now causes the loop to skip to the next iteration when the parent node doesn't exist, rather than wrapping the logic in an else block +- All indentation has been corrected to match the surrounding code style + +The fix restores the... +``` + +**Diff (expected vs actual):** +```diff +@@ -63 @@ + } + + const commitTrees = ((rootToCommitTreeMap.get(rootID): any): Array); +- if (commitIndex < commitTrees.length) { +- return commitTrees[commitIndex]; +- } + + const { profilingData } = profilerStore; + if (profilingData === null) { +@@ -104 @@ + } + + commitTrees.push(commitTree); +- } ++ } + } else { + const previousCommitTree = commitTrees[index - 1]; + commitTree = updateTree(previousCommitTree, operations[index]); +@@ -114 @@ + } + + commitTrees.push(commitTree); +- } ++ } + } + + return commitTree; + } + + return commitTree; +-} ++ } + + function recursivelyInitializeTree( + id: number, +@@ -260 @@ + } + + break; +- } ++ } + case TREE_OPERATION_REMOVE: { + const removeLength = ((operations[i + 1]: any): number); + i += 2; +@@ -281 @@ + nodes.delete(id); + + if (!nodes.has(parentID)) { +- // No-op +- } else { +- const parentNode = getClonedNode(parentID); ++ continue; ++ } + + +- if (__DEBUG__) { +- debug('Remove', `fiber ${id} from parent ${parentID}`); +- } +- +- parentNode.children = parentNode.children.filter((childID) => childID !== id); ++ const parentNode = getClonedNode(parentID); ++ if (__DEBUG__) { ++ debug('Remove', `fiber ${id} from parent ${parentID}`); + } + } +- } ++ parentNode.children = parentNode.children.filter((childID) => childID !== id); + break; + break; +- } ++ } + case TREE_OPERATION_REORDER_CHILDREN: { + id = ((operations[i + 1]: any): number); + const numChildren = ((operations[i + 2]: any): number); +@@ -309 @@ + node.children = Array.from(children); + + break; +- } ++ } + case TREE_OPERATION_SET_SUBTREE_MODE: { + id = operations[i + 1]; + const mode = opera... +``` + +### Structural Swap Adjacent Lines 007 (ReactFlightClientConfigBundlerWebpack.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactFlightClientConfigBundlerWebpack.js + +**Sample agent response (run 1):** +``` +Perfect. The fix is applied correctly. The two adjacent statements have been reordered: + +- Line 190 now has: `chunkCache.set(chunkId, thenable);` +- Line 191 now has: `thenable.then(resolve, ignoreReject);` + +This ensures the cache is populated with the thenable before attaching the `.then()` handler, preventing a race condition where the promise could resolve before it's cached. +``` + +**Diff (expected vs actual):** +```diff +@@ -184 @@ + const entry = chunkCache.get(chunkId); + if (entry === undefined) { + const thenable = loadChunk(chunkId, chunkFilename); +- promises.push(thenable); +- // $FlowFixMe[method-unbinding] + const resolve = chunkCache.set.bind(chunkCache, chunkId, null); + const resolve = chunkCache.set.bind(chunkCache, chunkId, null); +- thenable.then(resolve, ignoreReject); ++ // $FlowFixMe[method-unbinding] ++ promises.push(thenable); + chunkCache.set(chunkId, thenable); + chunkCache.set(chunkId, thenable); ++ thenable.then(resolve, ignoreReject); + } else if (entry !== null) { + promises.push(entry); + } +``` + +### Structural Swap If Else 001 (utils.js) — 0/1 + +**All runs failed with same error:** File mismatch for utils.js + +**Sample agent response (run 1):** +``` +Perfect. The bug has been fixed. The if and else branches have been swapped: + +- **Line 28**: Now checks `if (__IS_INTERNAL_VERSION__)` (was `if (!__IS_INTERNAL_VERSION__)`) +- **Lines 29-32**: The early return with `shouldDisableButton: true` is now in the if block for internal version +- **Lines 33-47**: The source map URL processing logic is now in the else block + +This corrects the logic so that: +- Internal versions return early with the button disabled +- Non-internal versions process the sou... +``` + +**Diff (expected vs actual):** +```diff +@@ -23 @@ + if (sourceURL.startsWith('file:///')) { + filePath = new URL(sourceURL).pathname; + } else if (sourceURL.includes('://')) { +- // $FlowFixMe[cannot-resolve-name] +- if (!__IS_INTERNAL_VERSION__) { +- // In this case, we can't really determine the path to a file, disable a button +- return { url: null, shouldDisableButton: true }; ++ filePath = sourceURL; ++ } else { ++ if (__IS_INTERNAL_VERSION__) { ++ return { ++ url: null, ++ shouldDisableButton: true, ++ }; + } else { + const endOfSourceMapURLPattern = '.js/'; + const endOfSourceMapURLIndex = sourceURL.lastIndexOf(endOfSourceMapURLPattern); + } else { + const endOfSourceMapURLPattern = '.js/'; + const endOfSourceMapURLIndex = sourceURL.lastIndexOf(endOfSourceMapURLPattern); +- + if (endOfSourceMapURLIndex === -1) { + if (endOfSourceMapURLIndex === -1) { +- return { url: null, shouldDisableButton: true }; ++ return { ++ url: null, ++ shouldDisableButton: true, ++ }; + } else { + filePath = sourceURL.slice( + endOfSourceMapURLIndex + endOfSourceMapURLPattern.length, +@@ -40 @@ + ); + } + } +- } else { +- filePath = sourceURL; + } + + const lineNumberAsString = String(line); +``` + +### Structural Swap If Else 003 (ReactDOMFloat.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMFloat.js + +**Sample agent response (run 1):** +``` +Perfect. The fix is complete. The if-else branches have been swapped correctly: + +**Before:** +- Line 249: `if (encountered)` - executed when there ARE errors +- Line 267: `else` - executed when there are NO errors + +**After:** +- Line 249: `if (!encountered)` - executed when there are NO errors +- Line 267: `else` - executed when there ARE errors + +Now the logic is correct: when there are no validation errors (`!encountered`), we validate the `as` property and log an error if it's not 'script'. ... +``` + +**Diff (expected vs actual):** +```diff +@@ -246 @@ + options.as, + )}.`; + } +- if (encountered) { +- console.error( +- 'ReactDOM.preinitModule(): Expected up to two arguments, a non-empty `href` string and, optionally, an `options` object with a valid `as` property.%s', +- encountered, +- ); +- } else { ++ if (!encountered) { + const as = options && typeof options.as === 'string' ? options.as : 'script'; + switch (as) { + case 'script': { +@@ -257 @@ + case 'script': { + break; + } +- +- // We have an invalid as type and need to warn + default: { + const typeOfAs = getValueDescriptorExpectingEnumForWarning(as); + console.error( +@@ -271 @@ + ); + } + } ++ } else { ++ console.error( ++ 'ReactDOM.preinitModule(): Expected up to two arguments, a non-empty `href` string and, optionally, an `options` object with a valid `as` property.%s', ++ encountered, ++ ); + } + } + if (typeof href === 'string') { +``` diff --git a/packages/react-edit-benchmark/runs/claude-haiku-4-5_hashline_2026-02-18T03-40-14.md b/packages/react-edit-benchmark/runs/claude-haiku-4-5_hashline_2026-02-18T03-40-14.md new file mode 100644 index 000000000..af5b50057 --- /dev/null +++ b/packages/react-edit-benchmark/runs/claude-haiku-4-5_hashline_2026-02-18T03-40-14.md @@ -0,0 +1,1036 @@ +# Edit Benchmark Report + +## Configuration + +| Setting | Value | +|---------|-------| +| Date | 2026-02-18T03:36:24.938Z | +| Model | p-anthropic/p-anthropic/claude-haiku-4-5 | +| Thinking Level | low | +| Runs per task | 1 | +| Edit Variant | hashline | +| Edit Fuzzy | auto | +| Edit Fuzzy Threshold | auto | +| Guided Mode | no | +| Max Attempts | 1 | +| No-op Retry Limit | 2 | +| Mutation Scope Window | 20 | +| Require Edit Tool | no | +| Require Read Tool | no | +| No-Edit Baseline | no | + +## Summary + +| Metric | Value | +|--------|-------| +| Total Tasks | 80 | +| Total Runs | 80 | +| Successful Runs | 58 | +| **Task Success Rate** | **72.5% (58/80)** | +| Verified Rate | 72.5% (58/80) | +| Edit Tool Usage Rate | 98.8% (79/80) | +| **Edit Success Rate** | **97.1%** | +| Timeout Runs | 0 | +| Mutation Intent Match Rate | 75.9% | +| Patch Failure Rate | 2.9% (3/102) | +| Tasks All Passing | 58 | +| Tasks Flaky/Failing | 22 | + +### Tool Calls + +| Tool | Total | Avg/Run | +|------|-------|---------| +| Read | 218 | 2.7 | +| Edit | 102 | 1.3 | +| Write | 2 | 0.0 | +| **Tool Input Chars** | 41,204 | 515 | + +### Tokens & Time + +| Metric | Total | Avg/Run | +|--------|-------|---------| +| Input Tokens | 2,058 | 26 | +| Output Tokens | 87,329 | 1,092 | +| Total Tokens | 4,830,112 | 60,376 | +| Duration | 1233.0s | 15.4s | +| **Avg Indent Score** | — | **0.00** | + +### Hashline Edit Subtypes + +| Operation | Count | % | +|-----------|-------|---| +| set_line | 103 | 88.8% | +| replace_lines | 5 | 4.3% | +| insert_after | 8 | 6.9% | +| replace | 0 | 0.0% | +| **Total** | **116** | 100% | + +## Task Results + +| Task | File | Success | Edit Hit | R/E/W | Tokens (In/Out) | Time | Indent | +|------|------|---------|----------|-------|-----------------|------|--------| +| Access Remove Optional Chain 001 | fallbackEvalContext.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/522 | 6.2s | 0.00 | +| Access Remove Optional Chain 003 | hookNamesCache.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/762 | 10.1s | 0.00 | +| Access Remove Optional Chain 005 | registerDevToolsEventLogger.js | 0/1 ❌ | 75.0% | 2/4/0 | 43/2,584 | 142.0s | 0.00 | +| Access Remove Optional Chain 007 | index.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/854 | 11.0s | 0.00 | +| Call Swap Call Args 001 | formatConsoleArguments.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/420 | 6.1s | 0.00 | +| Call Swap Call Args 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/556 | 7.5s | 0.00 | +| Call Swap Call Args 005 | ReactNoopPersistent.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/605 | 7.8s | 0.00 | +| Call Swap Call Args 007 | parseSourceAndMetadata.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/771 | 9.8s | 0.00 | +| Duplicate Duplicate Line Flip 001 | isCustomElement.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/449 | 8.2s | 0.00 | +| Duplicate Duplicate Line Flip 003 | ReactFiberDevToolsHook.js | 0/1 ❌ | 100.0% | 16/9/0 | 156/9,977 | 216.8s | 0.00 | +| Duplicate Duplicate Line Flip 005 | shallowEqual.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/477 | 6.2s | 0.00 | +| Duplicate Duplicate Line Flip 007 | ReactDOMEventReplaying.js | 0/1 ❌ | 50.0% | 4/2/0 | 36/8,342 | 69.1s | 0.00 | +| Identifier Identifier Multi Edit 001 | Button.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/621 | 7.5s | 0.00 | +| Identifier Identifier Multi Edit 003 | ReactFlightDOMClientBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/821 | 8.7s | 0.00 | +| Identifier Identifier Multi Edit 005 | githubAPI.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/532 | 6.6s | 0.00 | +| Identifier Identifier Multi Edit 007 | ReactFiberComponentStack.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/697 | 9.2s | 0.00 | +| Import Swap Named Imports 001 | ListApp.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/607 | 6.9s | 0.00 | +| Import Swap Named Imports 003 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/918 | 11.6s | 0.00 | +| Import Swap Named Imports 005 | SuspenseScrubber.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/535 | 9.3s | 0.00 | +| Import Swap Named Imports 007 | InspectedElement.js | 0/1 ❌ | 100.0% | 3/1/0 | 25/892 | 10.5s | 0.00 | +| Literal Flip Boolean 001 | ReactDOMLegacyServerImpl.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/1,283 | 13.5s | 0.00 | +| Literal Flip Boolean 003 | ReactProfilerTimer.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/1,067 | 14.1s | 0.00 | +| Literal Flip Boolean 005 | OpenInEditorButton.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/1,068 | 11.7s | 0.00 | +| Literal Flip Boolean 007 | Element.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/554 | 8.0s | 0.00 | +| Literal Off By One 001 | ReactOwnerStackFrames.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/492 | 7.1s | 0.00 | +| Literal Off By One 003 | ReactFlightClientConfigBundlerTurbopack.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/752 | 9.8s | 0.00 | +| Literal Off By One 005 | ContextMenu.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/586 | 6.9s | 0.00 | +| Literal Off By One 007 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/575 | 9.0s | 0.00 | +| Operator Remove Negation 001 | prepareInjection.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/512 | 6.9s | 0.00 | +| Operator Remove Negation 003 | ReactDOMSelection.js | 0/1 ❌ | 100.0% | 3/1/0 | 25/1,889 | 19.5s | 0.00 | +| Operator Remove Negation 005 | ReactDOMContainer.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/1,958 | 20.4s | 0.00 | +| Operator Remove Negation 007 | SelectEventPlugin.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/799 | 9.5s | 0.00 | +| Operator Swap Arithmetic 001 | formatConsoleArguments.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/537 | 6.7s | 0.00 | +| Operator Swap Arithmetic 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/971 | 13.2s | 0.00 | +| Operator Swap Arithmetic 005 | ReactFiberConfigWithNoResources.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/445 | 5.5s | 0.00 | +| Operator Swap Arithmetic 007 | useCanvasInteraction.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/610 | 8.0s | 0.00 | +| Operator Swap Comparison 001 | useSmartTooltip.js | 1/1 ✅ | 50.0% | 2/2/0 | 28/1,176 | 13.2s | 0.00 | +| Operator Swap Comparison 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/1,061 | 13.1s | 0.00 | +| Operator Swap Comparison 005 | Rectangle.js | 1/1 ✅ | 100.0% | 3/1/0 | 27/930 | 10.8s | 0.00 | +| Operator Swap Comparison 007 | ReactFiberTreeReflection.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/610 | 8.2s | 0.00 | +| Operator Swap Equality 001 | ReactNoopFlightClient.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/1,214 | 12.7s | 0.00 | +| Operator Swap Equality 003 | astUtils.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/792 | 11.5s | 0.00 | +| Operator Swap Equality 005 | ReactDOMContainer.js | 1/1 ✅ | 100.0% | 4/1/0 | 33/799 | 9.5s | 0.00 | +| Operator Swap Equality 007 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/1,333 | 16.0s | 0.00 | +| Operator Swap Increment Decrement 001 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/450 | 6.1s | 0.00 | +| Operator Swap Increment Decrement 003 | ReactFlightClientConfigBundlerESM.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/534 | 9.4s | 0.00 | +| Operator Swap Increment Decrement 005 | ReactFiberViewTransitionComponent.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Operator Swap Increment Decrement 007 | ReactFiberConcurrentUpdates.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/732 | 11.0s | 0.00 | +| Operator Swap Logical 001 | ErrorView.js | 0/1 ❌ | 100.0% | 7/7/0 | 87/4,015 | 43.5s | 0.00 | +| Operator Swap Logical 003 | DevTools.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/554 | 8.4s | 0.00 | +| Operator Swap Logical 005 | UseEffectEvent.js | 1/1 ✅ | 100.0% | 3/1/0 | 27/750 | 9.3s | 0.00 | +| Operator Swap Logical 007 | getHookNameForLocation.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/735 | 8.6s | 0.00 | +| Operator Swap Nullish 001 | ElementBadges.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/782 | 8.8s | 0.00 | +| Operator Swap Nullish 003 | ReactComponentStackFrame.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/759 | 10.3s | 0.00 | +| Operator Swap Nullish 005 | ReactLogo.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/518 | 7.2s | 0.00 | +| Operator Swap Nullish 007 | SuspenseBreadcrumbs.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/1,374 | 15.2s | 0.00 | +| Regex Swap Regex Quantifier 001 | SimpleValues.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/592 | 7.2s | 0.00 | +| Regex Swap Regex Quantifier 003 | utils.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/1,439 | 16.3s | 0.00 | +| Regex Swap Regex Quantifier 005 | formatWithStyles.js | 0/1 ❌ | 100.0% | 3/2/0 | 33/1,054 | 12.7s | 0.00 | +| Regex Swap Regex Quantifier 007 | RunReactCompiler.ts | 0/1 ❌ | 100.0% | 3/1/0 | 23/889 | 10.5s | 0.00 | +| Structural Delete Statement 001 | useExtensionComponentsPanelVisibility.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/643 | 8.6s | 0.00 | +| Structural Delete Statement 003 | useCanvasInteraction.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/638 | 9.0s | 0.00 | +| Structural Delete Statement 005 | StackTraceView.js | 0/1 ❌ | 100.0% | 7/3/0 | 49/1,773 | 22.6s | 0.00 | +| Structural Delete Statement 007 | ReactDOMFizzStaticBrowser.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/831 | 10.8s | 0.00 | +| Structural Remove Early Return 001 | ReactFlightAsyncDispatcher.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/801 | 8.7s | 0.00 | +| Structural Remove Early Return 003 | ReactDOMComponentTree.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/825 | 10.8s | 0.00 | +| Structural Remove Early Return 005 | TabBar.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/511 | 7.0s | 0.00 | +| Structural Remove Early Return 007 | CommitTreeBuilder.js | 0/1 ❌ | 100.0% | 3/1/0 | 24/1,312 | 14.9s | 0.00 | +| Structural Swap Adjacent Lines 001 | reactPolling.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/574 | 7.7s | 0.00 | +| Structural Swap Adjacent Lines 003 | OwnersStack.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/647 | 7.9s | 0.00 | +| Structural Swap Adjacent Lines 005 | ReactOwnerStackFrames.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/763 | 8.5s | 0.00 | +| Structural Swap Adjacent Lines 007 | ReactFlightClientConfigBundlerWebpack.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/925 | 9.3s | 0.00 | +| Structural Swap If Else 001 | utils.js | 0/1 ❌ | 100.0% | 5/1/2 | 45/2,569 | 21.4s | 0.00 | +| Structural Swap If Else 003 | ReactDOMFloat.js | 0/1 ❌ | 100.0% | 2/1/0 | 19/1,002 | 11.4s | 0.00 | +| Structural Swap If Else 005 | ReactClientConsoleConfigPlain.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/839 | 10.7s | 0.00 | +| Structural Swap If Else 007 | index.js | 1/1 ✅ | 100.0% | 4/2/0 | 39/1,294 | 13.5s | 0.00 | +| Unicode Unicode Hyphen 001 | formatProdErrorMessage.js | 0/1 ❌ | 100.0% | 2/1/0 | 21/513 | 6.3s | 0.00 | +| Unicode Unicode Hyphen 003 | SourceMapConsumer.js | 1/1 ✅ | 100.0% | 3/1/0 | 24/561 | 8.2s | 0.00 | +| Unicode Unicode Hyphen 005 | babel.config.js | 1/1 ✅ | 100.0% | 2/1/0 | 21/483 | 6.4s | 0.00 | +| Unicode Unicode Hyphen 007 | ReactInternalTestUtils.js | 1/1 ✅ | 100.0% | 3/1/0 | 23/693 | 8.8s | 0.00 | + +## Category Summary + +| Category | Runs | Verified | Edit Used | Success | Min/Avg/Max Difficulty | +|----------|------|----------|-----------|---------|------------------------| +| access | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 3 / 7.5 / 10 | +| call | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 2 / 7.8 / 14 | +| duplicate | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | 8 / 11.3 / 17 | +| identifier | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 4 / 6.8 / 9 | +| import | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 2 / 3.8 / 5 | +| literal | 8 | 100.0% (8/8) | 100.0% (8/8) | 100.0% (8/8) | 3 / 6.9 / 10 | +| operator | 27 | 88.9% (24/27) | 100.0% (27/27) | 88.9% (24/27) | 3 / 6.7 / 10 | +| regex | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | 2 / 5.8 / 10 | +| structural | 16 | 31.3% (5/16) | 100.0% (16/16) | 31.3% (5/16) | 4 / 8.3 / 13 | +| unicode | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 2 / 4.8 / 8 | +| unknown | 1 | 0.0% (0/1) | 0.0% (0/1) | 0.0% (0/1) | — | + +## Mutation Summary + +| Mutation | Category | Runs | Verified | Edit Used | Success | +|----------|----------|------|----------|-----------|---------| +| delete-statement | structural | 4 | 0.0% (0/4) | 100.0% (4/4) | 0.0% (0/4) | +| duplicate-line-flip | duplicate | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| flip-boolean | literal | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| identifier-multi-edit | identifier | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| off-by-one | literal | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| remove-early-return | structural | 4 | 0.0% (0/4) | 100.0% (4/4) | 0.0% (0/4) | +| remove-negation | operator | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| remove-optional-chain | access | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-adjacent-lines | structural | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-arithmetic | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-call-args | call | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-comparison | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-equality | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-if-else | structural | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| swap-increment-decrement | operator | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | +| swap-logical | operator | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-named-imports | import | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-nullish | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-regex-quantifier | regex | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| unicode-hyphen | unicode | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| unknown | unknown | 1 | 0.0% (0/1) | 0.0% (0/1) | 0.0% (0/1) | + +## Difficulty Summary + +| Difficulty Score | Runs | Verified | Edit Used | Success | +|------------------|------|----------|-----------|---------| +| 0-2 | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| 3-5 | 24 | 70.8% (17/24) | 100.0% (24/24) | 70.8% (17/24) | +| 6-8 | 26 | 73.1% (19/26) | 100.0% (26/26) | 73.1% (19/26) | +| 9+ | 25 | 72.0% (18/25) | 100.0% (25/25) | 72.0% (18/25) | +| unknown | 1 | 0.0% (0/1) | 0.0% (0/1) | 0.0% (0/1) | + +## Edit Tool Errors + +Failures where the edit tool returned an error or failed to apply the patch. + +### Access Remove Optional Chain 005 (registerDevToolsEventLogger.js) + +#### Run 1 + +##### Attempt 1 + +- Path: registerDevToolsEventLogger.js +- Operation: — + +**Tool error** + +``` +1 line has changed since last read. Use the updated LINE:HASH references shown below (>>> marks changed lines). + + 41:de| session_id: currentSessionId, + 42:de| surface, +>>> 43:9b| version: process.env?.DEVTOOLS_VERSION, + 44:f6| }, + 45:f6| }, +``` + +**Patch args** + +```diff +{ + "path": "registerDevToolsEventLogger.js", + "edits": [ + { + "set_line": { + "intent": "Revert change to line 43", + "anchor": "43:54", + "new_text": " version: process.env.DEVTOOLS_VERSION," + } + } + ] +} +``` + +### Duplicate Duplicate Line Flip 007 (ReactDOMEventReplaying.js) + +#### Run 1 + +##### Attempt 1 + +- Path: ReactDOMEventReplaying.js +- Operation: — + +**Tool error** + +``` +1 line has changed since last read. Use the updated LINE:HASH references shown below (>>> marks changed lines). + + 17:7e|import { + 18:d0| unstable_scheduleCallback as scheduleCallback, +>>> 19:e7| unstable_NormalPriority as NormalPriority, + 20:66|} from 'scheduler'; + 21:7e|import { +``` + +**Patch args** + +```diff +{ + "path": "ReactDOMEventReplaying.js", + "edits": [ + { + "set_line": { + "intent": "Fix subtle operator change in condition - remove negation from enableHydrationChangeEvent check", + "anchor": "19:67", + "new_text": " if (enableHydrationChangeEvent) {" + } + } + ] +} +``` + +### Operator Swap Comparison 001 (useSmartTooltip.js) + +#### Run 1 + +##### Attempt 1 + +- Path: useSmartTooltip.js +- Operation: — + +**Tool error** + +``` +Invalid line reference "6a:57". Expected format "LINE:HASH" (e.g. "5:aa"). +``` + +**Patch args** + +```diff +{ + "path": "useSmartTooltip.js", + "edits": [ + { + "set_line": { + "intent": "Fix comparison operator from > to >= for horizontal boundary check", + "anchor": "6a:57", + "new_text": " if (mouseX + TOOLTIP_OFFSET_BOTTOM + element.offsetWidth >= width) {" + } + } + ] +} +``` + +## Failed Tasks (0% passing) + +### Access Remove Optional Chain 005 (registerDevToolsEventLogger.js) — 0/1 + +**All runs failed with same error:** File mismatch for registerDevToolsEventLogger.js + +**Sample agent response (run 1):** +``` +Perfect! I've restored the optional chaining to `metadata?.source` on line 36. The hash changed from `2a` to `0b`, indicating the line was modified. Now the line reads: + +```javascript +source: metadata?.source || 'react-devtools-logging', +``` + +This makes logical sense: it uses the `source` property from `metadata` if it exists (with optional chaining to safely handle null/undefined), and falls back to the default string otherwise. + +This is the ONLY location I've modified, which aligns with the... +``` + +**Diff (expected vs actual):** +```diff +@@ -31 @@ + const additionalContext: LoggerContext | {} = + fetchAdditionalContext != null ? await fetchAdditionalContext() : {}; + +- currentLoggingIFrame?.contentWindow?.postMessage( ++ currentLoggingIFrame?.contentWindow.postMessage( + { + { +- source: 'react-devtools-logging', ++ source: metadata?.source || 'react-devtools-logging', + event: eventWithoutMetadata, + context: { + ...additionalContext, +``` + +### Duplicate Duplicate Line Flip 003 (ReactFiberDevToolsHook.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactFiberDevToolsHook.js + +**Sample agent response (run 1):** +``` +Perfect! Line 424 now checks `markRenderYielded`. The task has been completed. + +To summarize: The bug was in line 424, which was checking for `markRenderStopped` when it should have been checking for `markRenderYielded` (to match the check in line 413). This is a "subtle literal change" where the property name in the typeof check was incorrect. Both the `markRenderYielded` and `markRenderStopped` functions should now check for the same `markRenderYielded` hook before calling their respective ... +``` + +**Diff (expected vs actual):** +```diff +@@ -46 @@ + export function injectInternals(internals: Object): boolean { + if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined') { + // No DevTools +- return false; ++ return true; + } + const hook = __REACT_DEVTOOLS_GLOBAL_HOOK__; + if (hook.isDisabled) { +@@ -421 @@ + if (enableSchedulingProfiler) { + if ( + injectedProfilingHooks !== null && +- typeof injectedProfilingHooks.markRenderStopped === 'function' ++ typeof injectedProfilingHooks.markRenderYielded === 'function' + ) { + injectedProfilingHooks.markRenderStopped(); + } +``` + +### Duplicate Duplicate Line Flip 007 (ReactDOMEventReplaying.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMEventReplaying.js + +**Sample agent response (run 1):** +``` +Perfect! The change has been applied. Line 467 now reads: + +`if (enableHydrationChangeEvent) {` + +instead of: + +`if (!enableHydrationChangeEvent) {` + +This fixes the subtle operator change (removing the `!` negation operator) that was present in the duplicated logic. The two instances of checking the feature flag are now consistent - both use `if (enableHydrationChangeEvent)` without negation, which is the correct logic since both locations should handle the new feature when it's enabled. +``` + +**Diff (expected vs actual):** +```diff +@@ -250 @@ + targetContainer, + mouseEvent, + ); +- return true; ++ return false; + } + case 'pointerover': { + const pointerEvent = ((nativeEvent: any): PointerEventType); +@@ -464 @@ + queuedEvent.blockedOn = null; + if (!hasScheduledReplayAttempt) { + hasScheduledReplayAttempt = true; +- if (!enableHydrationChangeEvent) { ++ if (enableHydrationChangeEvent) { + // Schedule a callback to attempt replaying as many events as are + // now unblocked. This first might not actually be unblocked yet. + // We could check it early to avoid scheduling an unnecessary callback. +``` + +### Import Swap Named Imports 007 (InspectedElement.js) — 0/1 + +**All runs failed with same error:** File mismatch for InspectedElement.js + +**Sample agent response (run 1):** +``` +Perfect. The fix is complete. I've swapped `useContext` and `useCallback` on line 13 so that the import statement now reads: + +```javascript +import { useSyncExternalStore, useCallback, useContext } from 'react'; +``` + +This corrects the swapped named imports, with `useCallback` now correctly positioned before `useContext` in the destructuring assignment. +``` + +**Diff (expected vs actual):** +```diff +@@ -10 @@ + import type { SourceMappedLocation } from 'react-devtools-shared/src/symbolicateSource'; + + import * as React from 'react'; +-import { useCallback, useContext, useSyncExternalStore } from 'react'; ++import { useSyncExternalStore, useCallback, useContext } from 'react'; + import { TreeStateContext } from './TreeContext'; + import { BridgeContext, StoreContext, OptionsContext } from '../context'; + import Button from '../Button'; +``` + +### Operator Remove Negation 003 (ReactDOMSelection.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMSelection.js + +**Sample agent response (run 1):** +``` +Perfect. The fix has been applied. Line 106 now correctly checks `if ((next = node.nextSibling) === null)` instead of `!==`. This matches the pattern at line 84 which checks `if ((next = node.firstChild) === null)`. + +The logic is now correct: in both cases, we break from the inner loop when we can't move to a child (line 84) or sibling (line 106), which causes the traversal to move back up to the parent node. The missing negation has been restored by changing `!==` to `===`. +``` + +**Diff (expected vs actual):** +```diff +@@ -103 @@ + if (parentNode === focusNode && ++indexWithinFocus === focusOffset) { + end = length; + } +- if ((next = node.nextSibling) !== null) { ++ if ((next = node.nextSibling) === null) { + break; + } + node = parentNode; +@@ -156 @@ + + // IE 11 uses modern selection, but doesn't support the extend method. + // Flip backward selections, so we can set with a single range. +- if (!selection.extend && start > end) { ++ if (selection.extend && start > end) { + const temp = end; + end = start; + start = temp; +``` + +### Operator Remove Negation 005 (ReactDOMContainer.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMContainer.js + +**Sample agent response (run 1):** +``` +Perfect. The fix is applied. Line 16 now reads `node &&` instead of `!node &&`, which fixes the logical error. The function now correctly checks: +- That the node exists AND +- The node is one of the valid types (ELEMENT_NODE, DOCUMENT_NODE, DOCUMENT_FRAGMENT_NODE, or COMMENT_NODE with comments enabled) + +The logic now makes sense: you can only check `node.nodeType` if `node` is actually defined and truthy. +``` + +**Diff (expected vs actual):** +```diff +@@ -12 @@ + import { ELEMENT_NODE, COMMENT_NODE, DOCUMENT_NODE, DOCUMENT_FRAGMENT_NODE } from './HTMLNodeType'; + + export function isValidContainer(node: any): boolean { +- return !!( ++ return ( + node && + (node.nodeType === ELEMENT_NODE || + node.nodeType === DOCUMENT_NODE || +``` + +### Operator Swap Increment Decrement 005 (ReactFiberViewTransitionComponent.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Operator Swap Logical 001 (ErrorView.js) — 0/1 + +**All runs failed with same error:** File mismatch for ErrorView.js + +**Sample agent response (run 1):** +``` +The change is now `dismissError === null &&`. While this seems semantically wrong (show button when dismissError is null, then call null as a function), this might actually be the intended bug fix based on the task description simply saying to change the boolean operator. Given the constraint that this will be verified by exact text diff, I'll keep this change since it is the most straightforward "boolean operator" change - changing `!==` to `===`. + +The fixed line 36 is now: +``` +{dismissError... +``` + +**Diff (expected vs actual):** +```diff +@@ -32 @@ + {children} +
+
+-
Uncaught Error: {errorMessage || ''}
+- {dismissError !== null && ( ++
Uncaught Error: {errorMessage && ''}
++ {dismissError === null && ( + +``` + +### Regex Swap Regex Quantifier 005 (formatWithStyles.js) — 0/1 + +**All runs failed with same error:** File mismatch for formatWithStyles.js + +**Diff (expected vs actual):** +```diff +@@ -42 @@ + } + + // Matches any of %(o|O|d|i|s|f), but not %%(o|O|d|i|s|f) +- const REGEXP = /([^%]|^)((%%)*)(%([oOdisf]))/g; ++ const REGEXP = /([^%]|^)((%%)+)(%([oOdisf]))/g; + if (typeof inputArgs[0] === 'string' && inputArgs[0].match(REGEXP)) { + return [`%c${inputArgs[0]}`, style, ...inputArgs.slice(1)]; + } else { +``` + +### Structural Delete Statement 001 (useExtensionComponentsPanelVisibility.js) — 0/1 + +**All runs failed with same error:** File mismatch for useExtensionComponentsPanelVisibility.js + +**Diff (expected vs actual):** +```diff +@@ -13 @@ + // Events that are prefixed with `extension` will only be emitted for the browser extension implementation. + // For other implementations, this hook will just return constant `true` value. + export function useExtensionComponentsPanelVisibility(bridge: FrontendBridge): boolean { +- const [isVisible, setIsVisible] = useState(true); +- + useEffect(() => { + function onPanelShown() { + setIsVisible(true); +``` + +### Structural Delete Statement 005 (StackTraceView.js) — 0/1 + +**All runs failed with same error:** File mismatch for StackTraceView.js + +**Sample agent response (run 1):** +``` +Change applied and verified in `StackTraceView.js`. No other files touched. +``` + +**Diff (expected vs actual):** +```diff +@@ -34 @@ + export function CallSiteView({ callSite, environmentName }: CallSiteViewProps): React.Node { + const fetchFileWithCaching = useContext(FetchFileWithCachingContext); + +- const [virtualFunctionName, virtualURL, virtualLine, virtualColumn] = callSite; ++ const [virtualFunctionName, virtualURL, virtualLine, virtualColumn, ignored] = callSite; + + const symbolicatedCallSite: null | SourceMappedLocation = + fetchFileWithCaching !== null +@@ -49 @@ + ); + const [functionName, url, line, column] = + symbolicatedCallSite !== null ? symbolicatedCallSite.location : callSite; +- const ignored = symbolicatedCallSite !== null ? symbolicatedCallSite.ignored : false; ++ + // TODO: Make an option to be able to toggle the display of ignore listed rows. + // Ideally this UI should be higher than a single Stack Trace so that there's not + // multiple buttons in a single inspection taking up space. +``` + +### Structural Remove Early Return 001 (ReactFlightAsyncDispatcher.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactFlightAsyncDispatcher.js + +**Sample agent response (run 1):** +``` +Guard clause restored in `resolveCache` as requested. +``` + +**Diff (expected vs actual):** +```diff +@@ -17 @@ + if (request) { + return getCache(request); + } ++ + return new Map(); + } + +``` + +### Structural Remove Early Return 003 (ReactDOMComponentTree.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMComponentTree.js + +**Diff (expected vs actual):** +```diff +@@ -185 @@ + ? internalInstanceMap.get(hydrationInstance) + : // $FlowFixMe[prop-missing] + hydrationInstance[internalInstanceKey]; +- if (targetFiber) { +- return targetFiber; +- } ++ + // If we don't find a Fiber on the comment, it might be because + // we haven't gotten to hydrate it yet. There might still be a + // parent boundary that hasn't above this one so we need to find +``` + +### Structural Remove Early Return 005 (TabBar.js) — 0/1 + +**All runs failed with same error:** File mismatch for TabBar.js + +**Sample agent response (run 1):** +``` +Guard clause restored. No tests run. +``` + +**Diff (expected vs actual):** +```diff +@@ -90 @@ + + {tabs.map((tab) => { + if (tab === null) { +- return
; ++ return null; + } + } +- + const { icon, id, label, title } = tab; + + let button = ( +``` + +### Structural Remove Early Return 007 (CommitTreeBuilder.js) — 0/1 + +**All runs failed with same error:** File mismatch for CommitTreeBuilder.js + +**Sample agent response (run 1):** +``` +Fixed by restoring the early return for cached commit trees in `getCommitTree`. No tests run. +``` + +**Diff (expected vs actual):** +```diff +@@ -63 @@ + } + + const commitTrees = ((rootToCommitTreeMap.get(rootID): any): Array); ++ + if (commitIndex < commitTrees.length) { + return commitTrees[commitIndex]; + } +``` + +### Structural Swap Adjacent Lines 005 (ReactOwnerStackFrames.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactOwnerStackFrames.js + +**Diff (expected vs actual):** +```diff +@@ -11 @@ + + export function formatOwnerStack(error: Error): string { + const prevPrepareStackTrace = Error.prepareStackTrace; +- Error.prepareStackTrace = DefaultPrepareStackTrace; + let stack = error.stack; + let stack = error.stack; ++ Error.prepareStackTrace = DefaultPrepareStackTrace; + Error.prepareStackTrace = prevPrepareStackTrace; + if (stack.startsWith('Error: react-stack-top-frame\n')) { + // V8's default formatting prefixes with the error message which we +``` + +### Structural Swap Adjacent Lines 007 (ReactFlightClientConfigBundlerWebpack.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactFlightClientConfigBundlerWebpack.js + +**Sample agent response (run 1):** +``` +Swapped the two adjacent statements in `preloadModule` to set the chunk cache before attaching the `then` handler. +``` + +**Diff (expected vs actual):** +```diff +@@ -184 @@ + const entry = chunkCache.get(chunkId); + if (entry === undefined) { + const thenable = loadChunk(chunkId, chunkFilename); +- promises.push(thenable); +- // $FlowFixMe[method-unbinding] + const resolve = chunkCache.set.bind(chunkCache, chunkId, null); + const resolve = chunkCache.set.bind(chunkCache, chunkId, null); +- thenable.then(resolve, ignoreReject); ++ // $FlowFixMe[method-unbinding] ++ promises.push(thenable); + chunkCache.set(chunkId, thenable); + chunkCache.set(chunkId, thenable); ++ thenable.then(resolve, ignoreReject); + } else if (entry !== null) { + promises.push(entry); + } +``` + +### Structural Swap If Else 001 (utils.js) — 0/1 + +**All runs failed with same error:** File mismatch for utils.js + +**Sample agent response (run 1):** +``` +Swapped the if/else branch bodies in utils.js and verified the region. +``` + +**Diff (expected vs actual):** +```diff +@@ -23 @@ + if (sourceURL.startsWith('file:///')) { + filePath = new URL(sourceURL).pathname; + } else if (sourceURL.includes('://')) { +- // $FlowFixMe[cannot-resolve-name] ++ filePath = sourceURL; ++ } else { + if (!__IS_INTERNAL_VERSION__) { + if (!__IS_INTERNAL_VERSION__) { +- // In this case, we can't really determine the path to a file, disable a button +- return { url: null, shouldDisableButton: true }; +- } else { + const endOfSourceMapURLPattern = '.js/'; + const endOfSourceMapURLIndex = sourceURL.lastIndexOf(endOfSourceMapURLPattern); + const endOfSourceMapURLPattern = '.js/'; + const endOfSourceMapURLIndex = sourceURL.lastIndexOf(endOfSourceMapURLPattern); +- + if (endOfSourceMapURLIndex === -1) { + if (endOfSourceMapURLIndex === -1) { +- return { url: null, shouldDisableButton: true }; ++ return { ++ url: null, ++ shouldDisableButton: true, ++ }; + } else { + filePath = sourceURL.slice( + endOfSourceMapURLIndex + endOfSourceMapURLPattern.length, +@@ -39 @@ + sourceURL.length, + ); + } ++ } else { ++ return { ++ url: null, ++ shouldDisableButton: true, ++ }; + } + } +- } else { +- filePath = sourceURL; + } + + const lineNumberAsString = String(line); +``` + +### Structural Swap If Else 003 (ReactDOMFloat.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMFloat.js + +**Sample agent response (run 1):** +``` +Applied swap in `preinitModule` dev validation. No other changes. +``` + +**Diff (expected vs actual):** +```diff +@@ -257 @@ + case 'script': { + break; + } +- +- // We have an invalid as type and need to warn + default: { + const typeOfAs = getValueDescriptorExpectingEnumForWarning(as); + console.error( +``` diff --git a/packages/react-edit-benchmark/runs/gpt-5_2-codex_replace_2026-02-18T03-57-33.md b/packages/react-edit-benchmark/runs/gpt-5_2-codex_replace_2026-02-18T03-57-33.md new file mode 100644 index 000000000..95fec9047 --- /dev/null +++ b/packages/react-edit-benchmark/runs/gpt-5_2-codex_replace_2026-02-18T03-57-33.md @@ -0,0 +1,807 @@ +# Edit Benchmark Report + +## Configuration + +| Setting | Value | +|---------|-------| +| Date | 2026-02-18T03:55:58.726Z | +| Model | openai-codex/openai-codex/gpt-5.2-codex | +| Thinking Level | low | +| Runs per task | 1 | +| Edit Variant | replace | +| Edit Fuzzy | auto | +| Edit Fuzzy Threshold | auto | +| Guided Mode | no | +| Max Attempts | 1 | +| No-op Retry Limit | 2 | +| Mutation Scope Window | 20 | +| Require Edit Tool | no | +| Require Read Tool | no | +| No-Edit Baseline | no | + +## Summary + +| Metric | Value | +|--------|-------| +| Total Tasks | 80 | +| Total Runs | 80 | +| Successful Runs | 60 | +| **Task Success Rate** | **75.0% (60/80)** | +| Verified Rate | 75.0% (60/80) | +| Edit Tool Usage Rate | 92.5% (74/80) | +| **Edit Success Rate** | **91.6%** | +| Timeout Runs | 0 | +| Mutation Intent Match Rate | 79.7% | +| Tasks All Passing | 60 | +| Tasks Flaky/Failing | 20 | + +### Tool Calls + +| Tool | Total | Avg/Run | +|------|-------|---------| +| Read | 160 | 2.0 | +| Edit | 83 | 1.0 | +| Write | 0 | 0.0 | +| **Tool Input Chars** | 29,976 | 375 | + +### Tokens & Time + +| Metric | Total | Avg/Run | +|--------|-------|---------| +| Input Tokens | 493,130 | 6,164 | +| Output Tokens | 40,580 | 507 | +| Total Tokens | 1,967,310 | 24,591 | +| Duration | 1072.9s | 13.4s | +| **Avg Indent Score** | — | **0.03** | + +## Task Results + +| Task | File | Success | Edit Hit | R/E/W | Tokens (In/Out) | Time | Indent | +|------|------|---------|----------|-------|-----------------|------|--------| +| Access Remove Optional Chain 001 | fallbackEvalContext.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,438/153 | 7.9s | 0.00 | +| Access Remove Optional Chain 003 | hookNamesCache.js | 1/1 ✅ | 100.0% | 2/1/0 | 3,955/263 | 10.0s | 0.00 | +| Access Remove Optional Chain 005 | registerDevToolsEventLogger.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,627/216 | 5.7s | 0.00 | +| Access Remove Optional Chain 007 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 11,003/1,808 | 28.1s | 0.00 | +| Call Swap Call Args 001 | formatConsoleArguments.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,287/164 | 6.9s | 0.00 | +| Call Swap Call Args 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,065/189 | 12.1s | 0.00 | +| Call Swap Call Args 005 | ReactNoopPersistent.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,628/224 | 5.1s | 0.00 | +| Call Swap Call Args 007 | parseSourceAndMetadata.js | 1/1 ✅ | 100.0% | 2/1/0 | 10,603/204 | 5.2s | 0.00 | +| Duplicate Duplicate Line Flip 001 | isCustomElement.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,315/213 | 6.3s | 0.00 | +| Duplicate Duplicate Line Flip 003 | ReactFiberDevToolsHook.js | 0/1 ❌ | 100.0% | 2/1/0 | 9,583/6,573 | 88.8s | 0.00 | +| Duplicate Duplicate Line Flip 005 | shallowEqual.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Duplicate Duplicate Line Flip 007 | ReactDOMEventReplaying.js | 1/1 ✅ | 50.0% | 3/2/0 | 14,311/4,392 | 63.7s | 0.00 | +| Identifier Identifier Multi Edit 001 | Button.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,254/198 | 6.4s | 0.00 | +| Identifier Identifier Multi Edit 003 | ReactFlightDOMClientBrowser.js | 1/1 ✅ | 100.0% | 2/3/0 | 8,748/302 | 25.7s | 0.00 | +| Identifier Identifier Multi Edit 005 | githubAPI.js | 1/1 ✅ | 100.0% | 2/2/0 | 2,693/234 | 6.9s | 0.00 | +| Identifier Identifier Multi Edit 007 | ReactFiberComponentStack.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,073/254 | 23.1s | 0.00 | +| Import Swap Named Imports 001 | ListApp.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,792/253 | 9.3s | 0.00 | +| Import Swap Named Imports 003 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 3,721/586 | 13.6s | 0.00 | +| Import Swap Named Imports 005 | SuspenseScrubber.js | 1/1 ✅ | 100.0% | 2/1/0 | 9,731/204 | 7.6s | 0.00 | +| Import Swap Named Imports 007 | InspectedElement.js | 0/1 ❌ | 100.0% | 4/1/0 | 7,345/2,114 | 35.7s | 0.00 | +| Literal Flip Boolean 001 | ReactDOMLegacyServerImpl.js | 1/1 ✅ | 100.0% | 2/1/0 | 8,791/993 | 16.0s | 0.00 | +| Literal Flip Boolean 003 | ReactProfilerTimer.js | 1/1 ✅ | 100.0% | 2/1/0 | 10,206/391 | 10.1s | 0.00 | +| Literal Flip Boolean 005 | OpenInEditorButton.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,539/175 | 23.8s | 0.00 | +| Literal Flip Boolean 007 | Element.js | 1/1 ✅ | 100.0% | 2/1/0 | 14,489/187 | 5.7s | 0.00 | +| Literal Off By One 001 | ReactOwnerStackFrames.js | 1/1 ✅ | 100.0% | 2/1/0 | 3,094/175 | 6.3s | 0.00 | +| Literal Off By One 003 | ReactFlightClientConfigBundlerTurbopack.js | 1/1 ✅ | 100.0% | 2/1/0 | 8,419/224 | 9.0s | 0.00 | +| Literal Off By One 005 | ContextMenu.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,541/202 | 13.3s | 0.00 | +| Literal Off By One 007 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 19,966/206 | 6.3s | 0.00 | +| Operator Remove Negation 001 | prepareInjection.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,108/146 | 14.8s | 0.00 | +| Operator Remove Negation 003 | ReactDOMSelection.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Operator Remove Negation 005 | ReactDOMContainer.js | 0/1 ❌ | 100.0% | 2/1/0 | 2,619/1,200 | 20.9s | 0.00 | +| Operator Remove Negation 007 | SelectEventPlugin.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,202/309 | 7.8s | 0.00 | +| Operator Swap Arithmetic 001 | formatConsoleArguments.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,597/165 | 8.4s | 0.00 | +| Operator Swap Arithmetic 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 2/1/0 | 8,440/359 | 13.9s | 0.00 | +| Operator Swap Arithmetic 005 | ReactFiberConfigWithNoResources.js | 1/1 ✅ | 100.0% | 2/1/0 | 6,320/191 | 7.0s | 0.00 | +| Operator Swap Arithmetic 007 | useCanvasInteraction.js | 1/1 ✅ | 100.0% | 2/1/0 | 7,109/236 | 10.5s | 0.00 | +| Operator Swap Comparison 001 | useSmartTooltip.js | 1/1 ✅ | 100.0% | 2/1/0 | 7,336/509 | 31.4s | 0.00 | +| Operator Swap Comparison 003 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 2/1/0 | 6,402/378 | 7.6s | 0.00 | +| Operator Swap Comparison 005 | Rectangle.js | 1/1 ✅ | 100.0% | 2/1/0 | 3,195/161 | 11.2s | 0.00 | +| Operator Swap Comparison 007 | ReactFiberTreeReflection.js | 1/1 ✅ | 100.0% | 2/1/0 | 15,315/249 | 8.9s | 0.00 | +| Operator Swap Equality 001 | ReactNoopFlightClient.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,963/192 | 9.6s | 0.00 | +| Operator Swap Equality 003 | astUtils.js | 1/1 ✅ | 100.0% | 2/1/0 | 9,262/272 | 16.4s | 0.00 | +| Operator Swap Equality 005 | ReactDOMContainer.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,582/213 | 8.2s | 0.00 | +| Operator Swap Equality 007 | ReactFlightDOMServerBrowser.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,696/207 | 7.0s | 0.00 | +| Operator Swap Increment Decrement 001 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,514/152 | 10.1s | 0.00 | +| Operator Swap Increment Decrement 003 | ReactFlightClientConfigBundlerESM.js | 1/1 ✅ | 100.0% | 2/1/0 | 10,880/308 | 8.1s | 0.00 | +| Operator Swap Increment Decrement 005 | ReactFiberViewTransitionComponent.js | 1/1 ✅ | 100.0% | 2/1/0 | 2,724/192 | 12.3s | 0.00 | +| Operator Swap Increment Decrement 007 | ReactFiberConcurrentUpdates.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,889/159 | 14.0s | 0.00 | +| Operator Swap Logical 001 | ErrorView.js | 0/1 ❌ | 100.0% | 2/1/0 | 2,593/827 | 13.4s | 0.00 | +| Operator Swap Logical 003 | DevTools.js | 1/1 ✅ | 100.0% | 2/1/0 | 7,001/206 | 8.4s | 0.00 | +| Operator Swap Logical 005 | UseEffectEvent.js | 1/1 ✅ | 100.0% | 1/1/0 | 2,477/155 | 13.5s | 0.00 | +| Operator Swap Logical 007 | getHookNameForLocation.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,051/288 | 9.6s | 0.00 | +| Operator Swap Nullish 001 | ElementBadges.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,246/212 | 7.6s | 0.00 | +| Operator Swap Nullish 003 | ReactComponentStackFrame.js | 1/1 ✅ | 100.0% | 2/1/0 | 9,499/209 | 8.8s | 0.00 | +| Operator Swap Nullish 005 | ReactLogo.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,243/194 | 5.7s | 0.00 | +| Operator Swap Nullish 007 | SuspenseBreadcrumbs.js | 1/1 ✅ | 100.0% | 4/1/0 | 12,683/1,105 | 16.7s | 0.00 | +| Regex Swap Regex Quantifier 001 | SimpleValues.js | 1/1 ✅ | 100.0% | 2/1/0 | 6,094/180 | 6.4s | 0.00 | +| Regex Swap Regex Quantifier 003 | utils.js | 1/1 ✅ | 100.0% | 4/1/0 | 15,696/1,790 | 36.8s | 0.00 | +| Regex Swap Regex Quantifier 005 | formatWithStyles.js | 1/1 ✅ | 100.0% | 2/1/0 | 3,660/359 | 8.6s | 0.00 | +| Regex Swap Regex Quantifier 007 | RunReactCompiler.ts | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Structural Delete Statement 001 | useExtensionComponentsPanelVisibility.js | 0/1 ❌ | 100.0% | 2/1/0 | 5,757/299 | 14.0s | 0.00 | +| Structural Delete Statement 003 | useCanvasInteraction.js | 0/1 ❌ | 100.0% | 2/1/0 | 9,190/257 | 9.2s | 0.00 | +| Structural Delete Statement 005 | StackTraceView.js | 0/1 ❌ | 100.0% | 8/1/0 | 17,167/1,168 | 31.8s | 2.00 | +| Structural Delete Statement 007 | ReactDOMFizzStaticBrowser.js | 0/1 ❌ | 100.0% | 3/1/0 | 7,159/573 | 17.2s | 0.00 | +| Structural Remove Early Return 001 | ReactFlightAsyncDispatcher.js | 1/1 ✅ | 100.0% | 3/1/0 | 3,167/306 | 19.6s | 0.00 | +| Structural Remove Early Return 003 | ReactDOMComponentTree.js | 0/1 ❌ | 100.0% | 2/1/0 | 8,510/914 | 16.6s | 0.00 | +| Structural Remove Early Return 005 | TabBar.js | 0/1 ❌ | 100.0% | 1/1/0 | 2,444/169 | 13.0s | 0.00 | +| Structural Remove Early Return 007 | CommitTreeBuilder.js | 0/1 ❌ | 100.0% | 2/1/0 | 9,020/701 | 11.5s | 0.00 | +| Structural Swap Adjacent Lines 001 | reactPolling.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Structural Swap Adjacent Lines 003 | OwnersStack.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,055/204 | 7.6s | 0.00 | +| Structural Swap Adjacent Lines 005 | ReactOwnerStackFrames.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Structural Swap Adjacent Lines 007 | ReactFlightClientConfigBundlerWebpack.js | 0/1 ❌ | 100.0% | 0/0/0 | 0/0 | 0ms | 0.00 | +| Structural Swap If Else 001 | utils.js | 0/1 ❌ | 100.0% | 2/1/0 | 3,322/557 | 14.3s | 0.00 | +| Structural Swap If Else 003 | ReactDOMFloat.js | 0/1 ❌ | 100.0% | 2/1/0 | 12,743/1,443 | 29.2s | 0.00 | +| Structural Swap If Else 005 | ReactClientConsoleConfigPlain.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,311/284 | 7.7s | 0.00 | +| Structural Swap If Else 007 | index.js | 1/1 ✅ | 100.0% | 2/1/0 | 4,975/274 | 7.2s | 0.00 | +| Unicode Unicode Hyphen 001 | formatProdErrorMessage.js | 1/1 ✅ | 100.0% | 2/1/0 | 5,321/182 | 9.5s | 0.00 | +| Unicode Unicode Hyphen 003 | SourceMapConsumer.js | 1/1 ✅ | 33.3% | 2/3/0 | 8,381/484 | 14.8s | 0.00 | +| Unicode Unicode Hyphen 005 | babel.config.js | 0/1 ❌ | 0.0% | 1/3/0 | 5,561/291 | 14.4s | 0.00 | +| Unicode Unicode Hyphen 007 | ReactInternalTestUtils.js | 1/1 ✅ | 50.0% | 2/2/0 | 7,434/254 | 13.2s | 0.00 | + +## Category Summary + +| Category | Runs | Verified | Edit Used | Success | Min/Avg/Max Difficulty | +|----------|------|----------|-----------|---------|------------------------| +| access | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 3 / 7.5 / 10 | +| call | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 2 / 7.8 / 14 | +| duplicate | 3 | 66.7% (2/3) | 100.0% (3/3) | 66.7% (2/3) | 8 / 12.3 / 17 | +| identifier | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | 4 / 6.8 / 9 | +| import | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 2 / 3.8 / 5 | +| literal | 8 | 100.0% (8/8) | 100.0% (8/8) | 100.0% (8/8) | 3 / 6.9 / 10 | +| operator | 27 | 92.6% (25/27) | 100.0% (27/27) | 92.6% (25/27) | 3 / 6.7 / 10 | +| regex | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | 2 / 4.3 / 8 | +| structural | 13 | 30.8% (4/13) | 100.0% (13/13) | 30.8% (4/13) | 4 / 8.3 / 13 | +| unicode | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | 2 / 4.8 / 8 | +| unknown | 6 | 0.0% (0/6) | 0.0% (0/6) | 0.0% (0/6) | — | + +## Mutation Summary + +| Mutation | Category | Runs | Verified | Edit Used | Success | +|----------|----------|------|----------|-----------|---------| +| delete-statement | structural | 4 | 0.0% (0/4) | 100.0% (4/4) | 0.0% (0/4) | +| duplicate-line-flip | duplicate | 3 | 66.7% (2/3) | 100.0% (3/3) | 66.7% (2/3) | +| flip-boolean | literal | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| identifier-multi-edit | identifier | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| off-by-one | literal | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| remove-early-return | structural | 4 | 25.0% (1/4) | 100.0% (4/4) | 25.0% (1/4) | +| remove-negation | operator | 3 | 66.7% (2/3) | 100.0% (3/3) | 66.7% (2/3) | +| remove-optional-chain | access | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-adjacent-lines | structural | 1 | 100.0% (1/1) | 100.0% (1/1) | 100.0% (1/1) | +| swap-arithmetic | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-call-args | call | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-comparison | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-equality | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-if-else | structural | 4 | 50.0% (2/4) | 100.0% (4/4) | 50.0% (2/4) | +| swap-increment-decrement | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-logical | operator | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-named-imports | import | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| swap-nullish | operator | 4 | 100.0% (4/4) | 100.0% (4/4) | 100.0% (4/4) | +| swap-regex-quantifier | regex | 3 | 100.0% (3/3) | 100.0% (3/3) | 100.0% (3/3) | +| unicode-hyphen | unicode | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| unknown | unknown | 6 | 0.0% (0/6) | 0.0% (0/6) | 0.0% (0/6) | + +## Difficulty Summary + +| Difficulty Score | Runs | Verified | Edit Used | Success | +|------------------|------|----------|-----------|---------| +| 0-2 | 4 | 75.0% (3/4) | 100.0% (4/4) | 75.0% (3/4) | +| 3-5 | 24 | 79.2% (19/24) | 100.0% (24/24) | 79.2% (19/24) | +| 6-8 | 23 | 87.0% (20/23) | 100.0% (23/23) | 87.0% (20/23) | +| 9+ | 23 | 78.3% (18/23) | 100.0% (23/23) | 78.3% (18/23) | +| unknown | 6 | 0.0% (0/6) | 0.0% (0/6) | 0.0% (0/6) | + +## Edit Tool Errors + +Failures where the edit tool returned an error or failed to apply the patch. + +### Duplicate Duplicate Line Flip 007 (ReactDOMEventReplaying.js) + +#### Run 1 + +##### Attempt 1 + +- Path: ReactDOMEventReplaying.js +- Operation: — + +**Tool error** + +``` +Found 2 occurrences: + + 248 | domEventName, + 249 | eventSystemFlags, + 250 | targetContainer, + 251 | mouseEvent, + 252 | ); + 253 | return false; + 254 | } + 255 | case 'pointerover': { + 256 | const pointerEvent = ((nativeEvent: any): PointerEventType); + 257 | const pointerId = pointerEvent.pointerId; + 258 | queuedPointers.set( + 259 | pointerId, + + 374 | const fiber = getInstanceFromNode(nextBlockedOn); + 375 | if (fiber !== null) { + 376 | attemptContinuousHydration(fiber); + 377 | } + 378 | queuedEvent.blockedOn = nextBlockedOn; + 379 | return false; + 380 | } + 381 | // This target container was successfully dispatched. Try the next. + 382 | targetContainers.shift(); + 383 | } + 384 | return true; + 385 | } + +Add more context lines to disambiguate. +``` + +**Patch args** + +```diff +{ + "path": "ReactDOMEventReplaying.js", + "old_text": " return false;", + "new_text": " return true;" +} +``` + +### Unicode Unicode Hyphen 003 (SourceMapConsumer.js) + +#### Run 1 + +##### Attempt 1 + +- Path: SourceMapConsumer.js +- Operation: — + +**Tool error** + +``` +Could not find a close enough match in SourceMapConsumer.js. + +Closest match (90% similar) at line 10: + - import { decode } from '@jridgewell/sourcemapcodec'; + + import { decode } from '@jridgewell/sourcemap\u2013codec'; +Closest match was below the 95% similarity threshold. +``` + +**Patch args** + +```diff +{ + "path": "SourceMapConsumer.js", + "old_text": "import { decode } from '@jridgewell/sourcemap\u0013codec';", + "new_text": "import { decode } from '@jridgewell/sourcemap-codec';" +} +``` + +##### Attempt 2 + +- Path: SourceMapConsumer.js +- Operation: — + +**Tool error** + +``` +Could not find a close enough match in SourceMapConsumer.js. + +Closest match (90% similar) at line 10: + - import { decode } from '@jridgewell/sourcemap–codec'; + + import { decode } from '@jridgewell/sourcemap\u2013codec'; +Closest match was below the 95% similarity threshold. +``` + +**Patch args** + +```diff +{ + "path": "SourceMapConsumer.js", + "old_text": "import { decode } from '@jridgewell/sourcemap–codec';", + "new_text": "import { decode } from '@jridgewell/sourcemap-codec';" +} +``` + +### Unicode Unicode Hyphen 005 (babel.config.js) + +#### Run 1 + +##### Attempt 1 + +- Path: babel.config.js +- Operation: — + +**Tool error** + +``` +Could not find a close enough match in babel.config.js. + +Closest match (91% similar) at line 39: + - ['@babel/plugin proposal-class-properties', { loose: false }], + + ['@babel/plugin\u2013proposal-class-properties', { loose: false }], +Closest match was below the 95% similarity threshold. +``` + +**Patch args** + +```diff +{ + "path": "babel.config.js", + "old_text": " ['@babel/plugin\tproposal-class-properties', { loose: false }],", + "new_text": " ['@babel/plugin-proposal-class-properties', { loose: false }]," +} +``` + +##### Attempt 2 + +- Path: babel.config.js +- Operation: — + +**Tool error** + +``` +Could not find a close enough match in babel.config.js. + +Closest match (91% similar) at line 39: + - ['@babel/pluginproposal-class-properties', { loose: false }], + + ['@babel/plugin\u2013proposal-class-properties', { loose: false }], +Closest match was below the 95% similarity threshold. +``` + +**Patch args** + +```diff +{ + "path": "babel.config.js", + "old_text": " ['@babel/plugin\u0013proposal-class-properties', { loose: false }],", + "new_text": " ['@babel/plugin-proposal-class-properties', { loose: false }]," +} +``` + +##### Attempt 3 + +- Path: babel.config.js +- Operation: — + +**Tool error** + +``` +Could not find a close enough match in babel.config.js. + +Closest match (91% similar) at line 39: + - ['@babel/plugin–proposal-class-properties', { loose: false }], + + ['@babel/plugin\u2013proposal-class-properties', { loose: false }], +Closest match was below the 95% similarity threshold. +``` + +**Patch args** + +```diff +{ + "path": "babel.config.js", + "old_text": " ['@babel/plugin–proposal-class-properties', { loose: false }],", + "new_text": " ['@babel/plugin-proposal-class-properties', { loose: false }]," +} +``` + +### Unicode Unicode Hyphen 007 (ReactInternalTestUtils.js) + +#### Run 1 + +##### Attempt 1 + +- Path: ReactInternalTestUtils.js +- Operation: — + +**Tool error** + +``` +Could not find a close enough match in ReactInternalTestUtils.js. + +Closest match (85% similar) at line 9: + - import { diff } from 'jest–diff'; + + import { diff } from 'jest\u2013diff'; +Closest match was below the 95% similarity threshold. +``` + +**Patch args** + +```diff +{ + "path": "ReactInternalTestUtils.js", + "old_text": "import { diff } from 'jest–diff';", + "new_text": "import { diff } from 'jest-diff';" +} +``` + +## Failed Tasks (0% passing) + +### Duplicate Duplicate Line Flip 003 (ReactFiberDevToolsHook.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactFiberDevToolsHook.js + +**Sample agent response (run 1):** +``` +Fixed the duplicated error log literal to match the other occurrences. + +No tests run. +``` + +**Diff (expected vs actual):** +```diff +@@ -46 @@ + export function injectInternals(internals: Object): boolean { + if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined') { + // No DevTools +- return false; ++ return true; + } + const hook = __REACT_DEVTOOLS_GLOBAL_HOOK__; + if (hook.isDisabled) { +@@ -74 @@ + } catch (err) { + // Catch all errors because it is unsafe to throw during initialization. + if (__DEV__) { +- console.error('React instrumentation encountered an error: %o.', err); ++ console.error('React instrumentation encountered an error: %o', err); + } + } + if (hook.checkDCE) { +``` + +### Duplicate Duplicate Line Flip 005 (shallowEqual.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Import Swap Named Imports 007 (InspectedElement.js) — 0/1 + +**All runs failed with same error:** File mismatch for InspectedElement.js + +**Sample agent response (run 1):** +``` +Fixed the swapped named imports in `InspectedElement.js`. + +No tests run (not requested). +``` + +**Diff (expected vs actual):** +```diff +@@ -10 @@ + import type { SourceMappedLocation } from 'react-devtools-shared/src/symbolicateSource'; + + import * as React from 'react'; +-import { useCallback, useContext, useSyncExternalStore } from 'react'; ++import { useSyncExternalStore, useContext, useCallback } from 'react'; + import { TreeStateContext } from './TreeContext'; + import { BridgeContext, StoreContext, OptionsContext } from '../context'; + import Button from '../Button'; +@@ -17 @@ + import ButtonIcon from '../ButtonIcon'; + import Icon from '../Icon'; + import Toggle from '../Toggle'; +-import { ElementTypeSuspense, ElementTypeRoot } from 'react-devtools-shared/src/frontend/types'; ++import { ElementTypeRoot, ElementTypeSuspense } from 'react-devtools-shared/src/frontend/types'; + import InspectedElementView from './InspectedElementView'; + import { InspectedElementContext } from './InspectedElementContext'; + import { getAlwaysOpenInEditor } from '../../../utils'; +``` + +### Operator Remove Negation 003 (ReactDOMSelection.js) — 0/1 + +**All runs failed with same error:** Timeout waiting for response to set_thinking_level. Stderr: + +### Operator Remove Negation 005 (ReactDOMContainer.js) — 0/1 + +**All runs failed with same error:** File mismatch for ReactDOMContainer.js + +**Sample agent response (run 1):** +``` +Change applied. +``` + +**Diff (expected vs actual):** +```diff +@@ -12 @@ + import { ELEMENT_NODE, COMMENT_NODE, DOCUMENT_NODE, DOCUMENT_FRAGMENT_NODE } from './HTMLNodeType'; + + export function isValidContainer(node: any): boolean { +- return !!( +- node && ++ return ( ++ !!node && + (node.nodeType === ELEMENT_NODE || + node.nodeType === DOCUMENT_NODE || + node.nodeType === DOCUMENT_FRAGMENT_NODE || +``` + +### Operator Swap Logical 001 (ErrorView.js) — 0/1 + +**All runs failed with same error:** File mismatch for ErrorView.js + +**Sample agent response (run 1):** +``` +Updated line 36 in `ErrorView.js` with the intended boolean operator. +``` + +**Diff (expected vs actual):** +```diff +@@ -32 @@ + {children} +
+
+-
Uncaught Error: {errorMessage || ''}
+- {dismissError !== null && ( ++
Uncaught Error: {errorMessage && ''}
++ {dismissError !== null || ( +