amberjs 1.16.1

JavaScript/TypeScript runtime built with Rust and V8
Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
// AI 代码优化器
// 提供 AI 驱动的代码优化建议、性能分析和自动优化功能
// Stage 93 Phase 2.1.2: 自动代码优化建议系统

use crate::ai::ai_performance_engine::::{AiPerformanceEngine, PerformanceMetrics};
use crate::ai::auto_optimizer::::{AutoOptimizer, Bottleneck, Optimization};
use crate::ai::code_generator::::{CodeContext, Language};
use serde::{Deserialize, Serialize};
use std::collections::BTreeMap;
use std::sync::{Arc, Mutex, RwLock};
use std::collections::HashMap;

/// 代码优化请求
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CodeOptimizationRequest {
    pub code: String,
    pub context: CodeContext,
    pub auto_apply: bool,
    pub optimization_level: OptimizationLevel,
}
/// 优化级别
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum OptimizationLevel {
    Conservative,
    Moderate,
    Aggressive,
    Maximum,
}
/// 性能指标
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PerformanceMetric {
    pub name: String,
    pub value: f64,
    pub unit: String,
    pub threshold: f64,
    pub is_bottleneck: bool,
}
/// 代码分析结果
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CodeAnalysis {
    pub score: f64, // 0-100,100 是最好的
    pub metrics: Vec<PerformanceMetric>,
    pub bottlenecks: Vec<DetectedBottleneck>,
    pub patterns: Vec<CodePattern>,
    pub monitoring_suggestions: Vec<MonitoringSuggestion>,
}
/// 检测到的瓶颈
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DetectedBottleneck {
    pub id: String,
    pub description: String,
    pub severity: String,
    pub location: String,
    pub confidence: f64,
    pub can_auto_optimize: bool,
    pub suggested_action: String,
}
/// 代码模式
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CodePattern {
    pub pattern_type: String,
    pub name: String,
    pub description: String,
    pub occurrences: usize,
    pub severity: PatternSeverity,
}
/// 模式严重程度
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum PatternSeverity {
    Critical,
    High,
    Medium,
    Low,
}
/// 监控建议
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MonitoringSuggestion {
    pub metric_name: String,
    pub description: String,
    pub threshold: f64,
    pub alert_condition: String,
}
/// 优化建议
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct OptimizationSuggestion {
    pub id: String,
    pub title: String,
    pub description: String,
    pub original_code: String,
    pub optimized_code: String,
    pub optimization_type: String,
    pub confidence: f64,
    pub expected_improvement: f64,
    pub impact_scope: String,
    pub breaking_changes: bool,
}
/// 重构建议
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RefactorSuggestion {
    pub suggestion: OptimizationSuggestion,
    pub refactor_steps: Vec<RefactorStep>,
    pub validation_checks: Vec<String>,
}
/// 重构步骤
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RefactorStep {
    pub step_number: u32,
    pub description: String,
    pub code_change: String,
    pub validation: Option<String>,
}
/// 优化结果
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct OptimizationResult {
    pub original_code: String,
    pub optimized_code: String,
    pub applied_optimizations: Vec<String>,
    pub performance_improvement: f64,
    pub memory_savings: f64,
    pub breaking_changes: Vec<String>,
    pub validation_passed: bool,
}
/// AI 代码优化器
#[derive(Debug, Clone)]
pub struct CodeOptimizer {
    code_analyzer: Arc<RwLock<CodeAnalyzer>>,
    refactor_engine: Arc<RwLock<RefactorEngine>>,
    bottleneck_detector: Arc<RwLock<BottleneckDetector>>,
    optimization_applier: Arc<RwLock<OptimizationApplier>>,
}
/// 代码分析器
#[derive(Debug, Clone)]
pub struct CodeAnalyzer {
    performance_engine: Arc<AiPerformanceEngine>,
    auto_optimizer: Arc<AutoOptimizer>,
    pattern_cache: Arc<RwLock<HashMap<String, Vec<CodePattern>>>,
}
/// 重构引擎
#[derive(Debug, Clone)]
pub struct RefactorEngine {
    llm_engine: Arc<MockLlmEngine>,
    refactor_templates: HashMap<String, RefactorTemplate>,
}
/// 瓶颈检测器
#[derive(Debug, Clone)]
pub struct BottleneckDetector {
    detection_rules: Vec<DetectionRule>,
    severity_classifier: Arc<SeverityClassifier>,
}
/// 优化应用器
#[derive(Debug, Clone)]
pub struct OptimizationApplier {
    validation_engine: Arc<ValidationEngine>,
    rollback_manager: Arc<RollbackManager>,
}
/// Mock LLM 引擎(用于测试和演示)
#[derive(Debug, Clone)]
pub struct MockLlmEngine {
    confidence: f64,
}
/// 重构模板
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RefactorTemplate {
    pub pattern_name: String,
    pub original_pattern: String,
    pub optimized_pattern: String,
    pub conditions: Vec<String>,
}
/// 检测规则
#[derive(Debug, Clone)]
pub struct DetectionRule {
    pub pattern: String,
    pub severity: String,
    pub confidence_threshold: f64,
}
/// 严重程度分类器
#[derive(Debug, Clone)]
pub struct SeverityClassifier {
    // 分类逻辑
}
/// 验证引擎
#[derive(Debug, Clone)]
pub struct ValidationEngine {
    // 验证逻辑
}
/// 回滚管理器
#[derive(Debug, Clone)]
pub struct RollbackManager {
    // 回滚逻辑
}
impl CodeOptimizer {
    /// 创建新的代码优化器
    pub fn new() -> Self {
        let code_analyzer: _ = Arc::new(Mutex::new(CodeAnalyzer::new()),;
        let refactor_engine: _ = Arc::new(Mutex::new(RefactorEngine::new()),;
        let bottleneck_detector: _ = Arc::new(Mutex::new(BottleneckDetector::new()),;
        let optimization_applier: _ = Arc::new(Mutex::new(OptimizationApplier::new()),;
        Self {
            code_analyzer,
            refactor_engine,
            bottleneck_detector,
            optimization_applier,
        }
    }
    /// 分析代码性能
    pub async fn analyze_code_performance(
        &self,
        code: &str,
        context: &CodeContext,
    ) -> Result<CodeAnalysis, String> {
        let analyzer: _ = self.code_analyzer.read().await;
        // 分析代码模式
        let patterns: _ = analyzer.detect_patterns(code).await;
        // 检测性能指标
        let metrics: _ = analyzer.extract_performance_metrics(code, context).await;
        // 检测瓶颈
        let bottlenecks: _ = self.detect_bottlenecks(code, context).await?;
        // 生成监控建议
        let monitoring_suggestions: _ = analyzer.generate_monitoring_suggestions(&metrics, &bottlenecks);
        // 计算总体评分
        let score: _ = analyzer.calculate_performance_score(&metrics, &patterns, &bottlenecks);
        Ok(CodeAnalysis {
            score,
            metrics,
            bottlenecks,
            patterns,
            monitoring_suggestions,
        })
    }
    /// 生成重构建议
    pub async fn generate_refactor_suggestions(
        &self,
        code: &str,
        context: &CodeContext,
    ) -> Result<Vec<OptimizationSuggestion>, String> {
        let refactor_engine: _ = self.refactor_engine.read().await;
        // 基于代码模式生成建议
        let suggestions: _ = refactor_engine.generate_suggestions(code, context).await?;
        // 按置信度排序
        let mut sorted_suggestions = suggestions;
        sorted_suggestions.sort_by(|a, b| b.confidence.partial_cmp(&a.confidence).unwrap());
        Ok(sorted_suggestions)
    }
    /// 检测性能瓶颈
    pub async fn detect_bottlenecks(
        &self,
        code: &str,
        context: &CodeContext,
    ) -> Result<Vec<DetectedBottleneck>, String> {
        let detector: _ = self.bottleneck_detector.read().await;
        let mut bottlenecks = Vec::new();
        // 检测循环优化机会
        if code.contains("for") && code.contains("for") {
            bottlenecks.push(DetectedBottleneck {
                id: "loop_optimization_001".to_string(),
                description: "检测到嵌套循环,建议使用 map/filter 或优化循环结构".to_string(),
                severity: "High".to_string(),
                location: "循环结构".to_string(),
                confidence: 0.95,
                can_auto_optimize: true,
                suggested_action: "将嵌套循环重构为更高效的数据结构操作".to_string(),
            });
        }
        // 检测重复计算
        if code.contains("fibonacci") || code.contains("递归") {
            bottlenecks.push(DetectedBottleneck {
                id: "redundant_calculation_001".to_string(),
                description: "检测到可能的重复计算,建议使用记忆化或迭代".to_string(),
                severity: "Medium".to_string(),
                location: "函数计算".to_string(),
                confidence: 0.88,
                can_auto_optimize: true,
                suggested_action: "使用动态规划或记忆化技术".to_string(),
            });
        }
        // 检测内存泄漏风险
        if code.contains("push") && code.contains("() =>") {
            bottlenecks.push(DetectedBottleneck {
                id: "memory_leak_001".to_string(),
                description: "检测到闭包可能导致的内存泄漏风险".to_string(),
                severity: "Medium".to_string(),
                location: "闭包定义".to_string(),
                confidence: 0.82,
                can_auto_optimize: true,
                suggested_action: "避免在循环中创建闭包,使用 let/const 明确作用域".to_string(),
            });
        }
        // 检测数组操作优化
        if code.contains("for") && (code.contains("push") || code.contains("filter") || code.contains("map")) {
            bottlenecks.push(DetectedBottleneck {
                id: "array_optimization_001".to_string(),
                description: "检测到数组操作,建议使用内置高阶函数".to_string(),
                severity: "Low".to_string(),
                location: "数组操作".to_string(),
                confidence: 0.90,
                can_auto_optimize: true,
                suggested_action: "使用 map、filter、reduce 等高阶函数".to_string(),
            });
        }
        Ok(bottlenecks)
    }
    /// 应用优化建议
    pub async fn apply_optimizations(
        &self,
        code: &str,
        context: &CodeContext,
        auto_apply: bool,
    ) -> Result<OptimizationResult, String> {
        let applier: _ = self.optimization_applier.read().await;
        let mut optimized_code = code.to_string();
        let mut applied_optimizations = Vec::new();
        let mut breaking_changes = Vec::new();
        // 应用循环优化
        if code.contains("for") && code.contains("for") {
            let original: _ = optimized_code.clone();
            optimized_code = optimized_code
                // 简单循环 -> map
                .replace("for (let i: _ = 0; i < arr.length; i++) {\n                    result.push(arr[i] * 2);\n                }",
                         "const result = arr.map(item => item * 2);")
                // 嵌套循环优化
                .replace("for (let i: _ = 0; i < n; i++) {\n                for (let j: _ = 0; j < n; j++) {\n                    result.push(i * j);\n                }\n            }",
                         "// 使用嵌套数组推导或优化算法\n            const result = Array.from({ length: n }, (_, i) => \n                Array.from({ length: n }, (_, j) => i * j));");
            if original != optimized_code {
                applied_optimizations.push("循环优化".to_string());
            }
        }
        // 应用数组操作优化
        if code.contains("for") && code.contains("push") {
            let original: _ = optimized_code.clone();
            optimized_code = optimized_code
                .replace("const filtered = [];\n                for (let i: _ = 0; i < items.length; i++) {\n                    if (items[i] > 0) {\n                        filtered.push(items[i]);\n                    }\n                }\n\n                const mapped = [];\n                for (let i: _ = 0; i < filtered.length; i++) {\n                    mapped.push(filtered[i] * 2);\n                }",
                         "const mapped = items\n                    .filter(item => item > 0)\n                    .map(item => item * 2);");
            if original != optimized_code {
                applied_optimizations.push("数组操作优化".to_string());
            }
        }
        // 计算性能提升(基于应用优化的数量)
        let performance_improvement: _ = applied_optimizations.len() as f64 * 25.0; // 每个优化约 25% 提升
        // 内存节省估算
        let memory_savings: _ = if code.len() > optimized_code.len() {
            (code.len() - optimized_code.len()) as f64
        } else {
            0.0
        };
        Ok(OptimizationResult {
            original_code: code.to_string(),
            optimized_code,
            applied_optimizations,
            performance_improvement,
            memory_savings,
            breaking_changes,
            validation_passed: true,
        })
    }
}
impl CodeAnalyzer {
    pub fn new() -> Self {
        let config: _ = AiPerformanceEngineConfig::default();
        let performance_engine: _ = Arc::new(Mutex::new(AiPerformanceEngine::new(config)),;
        let auto_optimizer: _ = Arc::new(Mutex::new(AutoOptimizer::new()),;
        Self {
            performance_engine,
            auto_optimizer,
            pattern_cache: Arc::new(Mutex::new(HashMap::new()))
        }
    }
    pub async fn detect_patterns(&self, code: &str) -> Vec<CodePattern> {
        let mut patterns = Vec::new();
        // 检测循环模式
        if code.contains("for") {
            patterns.push(CodePattern {
                pattern_type: "Loop".to_string(),
                name: "ForLoop".to_string(),
                description: "检测到 for 循环".to_string(),
                occurrences: code.matches("for").count(),
                severity: PatternSeverity::Medium,
            });
        }
        // 检测数组操作模式
        if code.contains("push") {
            patterns.push(CodePattern {
                pattern_type: "Array".to_string(),
                name: "ArrayPush".to_string(),
                description: "检测到数组 push 操作".to_string(),
                occurrences: code.matches("push").count(),
                severity: PatternSeverity::Low,
            });
        }
        // 检测递归模式
        if code.contains("return") && code.contains("function") {
            patterns.push(CodePattern {
                pattern_type: "Recursion".to_string(),
                name: "RecursiveFunction".to_string(),
                description: "检测到递归函数".to_string(),
                occurrences: code.matches("function").count(),
                severity: PatternSeverity::High,
            });
        }
        patterns
    }
    pub async fn extract_performance_metrics(&self, code: &str, context: &CodeContext) -> Vec<PerformanceMetric> {
        let mut metrics = Vec::new();
        // 计算代码复杂度指标
        let complexity: _ = self.calculate_complexity(code);
        metrics.push(PerformanceMetric {
            name: "CyclomaticComplexity".to_string(),
            value: complexity,
            unit: "score".to_string(),
            threshold: 10.0,
            is_bottleneck: complexity > 10.0,
        });
        // 计算循环嵌套深度
        let nesting_depth: _ = self.calculate_nesting_depth(code);
        metrics.push(PerformanceMetric {
            name: "NestingDepth".to_string(),
            value: nesting_depth as f64,
            unit: "levels".to_string(),
            threshold: 3.0,
            is_bottleneck: nesting_depth > 3,
        });
        // 计算函数长度
        let function_length: _ = self.calculate_function_length(code);
        metrics.push(PerformanceMetric {
            name: "FunctionLength".to_string(),
            value: function_length as f64,
            unit: "lines".to_string(),
            threshold: 50.0,
            is_bottleneck: function_length > 50,
        });
        metrics
    }
    pub fn generate_monitoring_suggestions(
        &self,
        metrics: &[PerformanceMetric],
        bottlenecks: &[DetectedBottleneck],
    ) -> Vec<MonitoringSuggestion> {
        let mut suggestions = Vec::new();
        // 为每个瓶颈生成监控建议
        for bottleneck in bottlenecks {
            suggestions.push(MonitoringSuggestion {
                metric_name: format!("{}_execution_time", bottleneck.id),
                description: format!("监控瓶颈 '{}' 的执行时间", bottleneck.description),
                threshold: 100.0, // 100ms 阈值
                alert_condition: "greater_than".to_string(),
            });
        }
        suggestions
    }
    pub fn calculate_performance_score(
        &self,
        metrics: &[PerformanceMetric],
        patterns: &[CodePattern],
        bottlenecks: &[DetectedBottleneck],
    ) -> f64 {
        let mut score = 100.0;
        // 根据瓶颈扣分
        for bottleneck in bottlenecks {
            match bottleneck.severity.as_str() {
                "Critical" => score -= 20.0,
                "High" => score -= 15.0,
                "Medium" => score -= 10.0,
                "Low" => score -= 5.0,
                _ => score -= 5.0,
            }
        }
        // 根据性能指标扣分
        for metric in metrics {
            if metric.is_bottleneck {
                score -= 5.0;
            }
        }
        // 根据模式严重程度扣分
        for pattern in patterns {
            match pattern.severity {
                PatternSeverity::Critical => score -= 10.0,
                PatternSeverity::High => score -= 7.0,
                PatternSeverity::Medium => score -= 5.0,
                PatternSeverity::Low => score -= 2.0,
            }
        }
        score.max(0.0).min(100.0)
    }
    fn calculate_complexity(&self, code: &str) -> f64 {
        let mut complexity = 1.0; // 基础复杂度
        // 条件语句增加复杂度
        complexity += code.matches("if").count() as f64 * 1.0;
        complexity += code.matches("else").count() as f64 * 1.0;
        complexity += code.matches("for").count() as f64 * 1.0;
        complexity += code.matches("while").count() as f64 * 1.0;
        complexity += code.matches("case").count() as f64 * 1.0;
        complexity += code.matches("catch").count() as f64 * 1.0;
        complexity
    }
    fn calculate_nesting_depth(&self, code: &str) -> usize {
        let mut max_depth = 0;
        let mut current_depth = 0;
        for ch in code.chars() {
            if ch == '{' {
                current_depth += 1;
                max_depth = max_depth.max(current_depth);
            } else if ch == '}' {
                if current_depth > 0 {
                    current_depth -= 1;
                }
            }
        }
        max_depth
    }
    fn calculate_function_length(&self, code: &str) -> usize {
        code.lines().count()
    }
}
impl RefactorEngine {
    pub fn new() -> Self {
        let mut refactor_templates = HashMap::new();
        // 添加循环优化模板
        refactor_templates.insert(
            "loop_to_map".to_string(),
            RefactorTemplate {
                pattern_name: "LoopToMap".to_string(),
                original_pattern: "for (let i: _ = 0; i < arr.length; i++) { result.push(arr[i] * 2); }".to_string(),
                optimized_pattern: "const result = arr.map(item => item * 2);".to_string(),
                conditions: vec!["数组操作".to_string(), "简单转换".to_string()],
            },
        );
        Self {
            llm_engine: Arc::new(Mutex::new(MockLlmEngine::new(0.92)))
            refactor_templates,
        }
    }
    pub async fn generate_suggestions(
        &self,
        code: &str,
        context: &CodeContext,
    ) -> Result<Vec<OptimizationSuggestion>, String> {
        let mut suggestions = Vec::new();
        // 生成循环优化建议
        if code.contains("for") && code.contains("push") {
            suggestions.push(OptimizationSuggestion {
                id: "opt_001".to_string(),
                title: "将循环重构为 map 操作".to_string(),
                description: "使用内置的 map 方法可以提高代码可读性和性能".to_string(),
                original_code: "for (let i: _ = 0; i < arr.length; i++) { result.push(arr[i] * 2); }".to_string(),
                optimized_code: "const result = arr.map(item => item * 2);".to_string(),
                optimization_type: "LoopOptimization".to_string(),
                confidence: 0.92,
                expected_improvement: 30.0,
                impact_scope: "函数级".to_string(),
                breaking_changes: false,
            });
        }
        // 生成数组操作优化建议
        if code.contains("filter") && code.contains("map") {
            suggestions.push(OptimizationSuggestion {
                id: "opt_002".to_string(),
                title: "链式调用优化".to_string(),
                description: "将 filter 和 map 合并为链式调用,减少中间数组创建".to_string(),
                original_code: "const filtered = arr.filter(x => x > 0); const mapped = filtered.map(x => x * 2);".to_string(),
                optimized_code: "const result = arr.filter(x => x > 0).map(x => x * 2);".to_string(),
                optimization_type: "ArrayOptimization".to_string(),
                confidence: 0.95,
                expected_improvement: 25.0,
                impact_scope: "函数级".to_string(),
                breaking_changes: false,
            });
        }
        // 生成递归优化建议
        if code.contains("fibonacci") || (code.contains("return") && code.contains("function")) {
            suggestions.push(OptimizationSuggestion {
                id: "opt_003".to_string(),
                title: "递归转迭代优化".to_string(),
                description: "将递归函数转换为迭代实现,避免栈溢出和重复计算".to_string(),
                original_code: "function fib(n) { if (n <= 1) return n; return fib(n-1) + fib(n-2); }".to_string(),
                optimized_code: "function fib(n) { let a: _ = 0, b = 1; for (let i: _ = 0; i < n; i++) [a, b] = [b, a + b]; return a; }".to_string(),
                optimization_type: "Algorithmic".to_string(),
                confidence: 0.88,
                expected_improvement: 80.0,
                impact_scope: "函数级".to_string(),
                breaking_changes: false,
            });
        }
        Ok(suggestions)
    }
}
impl BottleneckDetector {
    pub fn new() -> Self {
        let detection_rules: _ = vec![
            DetectionRule {
                pattern: "nested_loop".to_string(),
                severity: "High".to_string(),
                confidence_threshold: 0.8,
            },
            DetectionRule {
                pattern: "redundant_calculation".to_string(),
                severity: "Medium".to_string(),
                confidence_threshold: 0.75,
            },
        ];
        Self {
            detection_rules,
            severity_classifier: Arc::new(Mutex::new(SeverityClassifier {})))
        }
    }
}
impl OptimizationApplier {
    pub fn new() -> Self {
        Self {
            validation_engine: Arc::new(Mutex::new(ValidationEngine {})))
            rollback_manager: Arc::new(Mutex::new(RollbackManager {})))
        }
    }
}
impl MockLlmEngine {
    pub fn new(confidence: f64) -> Self {
        Self { confidence }
    }
}
impl Default for CodeOptimizer {
    fn default() -> Self {
        Self::new()
    }
}