EvoMap · shinjiyu · Feb 24, 2026 · Feb 24, 2026 · Feb 24, 2026 · Feb 24, 2026
diff --git a/src/gep/candidates.js b/src/gep/candidates.js
@@ -95,7 +95,7 @@ function extractCapabilityCandidates({ recentSessionTranscript, signals }) {
   ];
 
   for (const sc of signalCandidates) {
-    if (!signalList.includes(sc.signal)) continue;
+    if (!signalList.some(s => s === sc.signal || s.startsWith(sc.signal + ':'))) continue;
     const evidence = `Signal present: ${sc.signal}`;
     const shape = buildFiveQuestionsShape({ title: sc.title, signals, evidence });
     candidates.push({

diff --git a/src/gep/mutation.js b/src/gep/mutation.js
@@ -45,7 +45,9 @@ var OPPORTUNITY_SIGNALS = [
 function hasOpportunitySignal(signals) {
   var list = Array.isArray(signals) ? signals.map(function (s) { return String(s || ''); }) : [];
   for (var i = 0; i < OPPORTUNITY_SIGNALS.length; i++) {
-    if (list.includes(OPPORTUNITY_SIGNALS[i])) return true;
+    var name = OPPORTUNITY_SIGNALS[i];
+    if (list.includes(name)) return true;
+    if (list.some(function (s) { return s.startsWith(name + ':'); })) return true;
   }
   return false;
 }

diff --git a/src/gep/questionGenerator.js b/src/gep/questionGenerator.js
@@ -145,7 +145,7 @@ function generateQuestions(opts) {
   }
 
   // --- Strategy 5: User feature requests the agent can amplify ---
-  if (signalSet.has('user_feature_request')) {
+  if (signalSet.has('user_feature_request') || signals.some(function (s) { return String(s).startsWith('user_feature_request:'); })) {
     var featureLines = transcript.split('\n').filter(function(l) {
       return /\b(add|implement|create|build|i want|i need|please add)\b/i.test(l);
     });

diff --git a/src/gep/signals.js b/src/gep/signals.js
@@ -16,7 +16,10 @@ var OPPORTUNITY_SIGNALS = [
 function hasOpportunitySignal(signals) {
   var list = Array.isArray(signals) ? signals : [];
   for (var i = 0; i < OPPORTUNITY_SIGNALS.length; i++) {
-    if (list.includes(OPPORTUNITY_SIGNALS[i])) return true;
+    var name = OPPORTUNITY_SIGNALS[i];
+    if (list.includes(name)) return true;
+    // Signals may carry extra as "name:snippet"
+    if (list.some(function (s) { return String(s).startsWith(name + ':'); })) return true;
   }
   return false;
 }
@@ -49,8 +52,12 @@ function analyzeRecentHistory(recentEvents) {
     var sigs = Array.isArray(evt.signals) ? evt.signals : [];
     for (var k = 0; k < sigs.length; k++) {
       var s = String(sigs[k]);
-      // Normalize: ignore errsig details for frequency counting
-      var key = s.startsWith('errsig:') ? 'errsig' : s.startsWith('recurring_errsig') ? 'recurring_errsig' : s;
+      // Normalize: strip details suffix so frequency keys match dedup filter keys
+      var key = s.startsWith('errsig:') ? 'errsig'
+        : s.startsWith('recurring_errsig') ? 'recurring_errsig'
+        : s.startsWith('user_feature_request:') ? 'user_feature_request'
+        : s.startsWith('user_improvement_suggestion:') ? 'user_improvement_suggestion'
+        : s;
       signalFreq[key] = (signalFreq[key] || 0) + 1;
     }
     var genes = Array.isArray(evt.genes_used) ? evt.genes_used : [];
@@ -137,15 +144,15 @@ function extractSignals({ recentSessionTranscript, todayLog, memorySnippet, user
     String(userSnippet || ''),
   ].join('\n');
   var lower = corpus.toLowerCase();
-
   // Analyze recent evolution history for de-duplication
   var history = analyzeRecentHistory(recentEvents || []);
 
   // --- Defensive signals (errors, missing resources) ---
 
   // Refined error detection regex to avoid false positives on "fail"/"failed" in normal text.
   // We prioritize structured error markers ([error], error:, exception:) and specific JSON patterns.
-  var errorHit = /\[error\]|error:|exception:|iserror":true|"status":\s*"error"|"status":\s*"failed"/.test(lower);
+  // Chinese: 错误、异常、失败、报错 — all require contextual colon [：:] so improvement text (e.g. "改进一下错误处理") is not treated as log_error.
+  var errorHit = /\[error\]|error:|exception:|iserror":true|"status":\s*"error"|"status":\s*"failed"|错误\s*[：:]|异常\s*[：:]|报错\s*[：:]|失败\s*[：:]/.test(lower);
   if (errorHit) signals.push('log_error');
 
   // Error signature (more reproducible than a coarse "log_error" tag).
@@ -156,7 +163,7 @@ function extractSignals({ recentSessionTranscript, todayLog, memorySnippet, user
       .filter(Boolean);
 
     var errLine =
-      lines.find(function (l) { return /\b(typeerror|referenceerror|syntaxerror)\b\s*:|error\s*:|exception\s*:|\[error/i.test(l); }) ||
+      lines.find(function (l) { return /\b(typeerror|referenceerror|syntaxerror)\b\s*:|error\s*:|exception\s*:|\[error|错误\s*[：:]|异常\s*[：:]|报错\s*[：:]|失败\s*[：:]/i.test(l); }) ||
       null;
 
     if (errLine) {
@@ -200,27 +207,77 @@ function extractSignals({ recentSessionTranscript, todayLog, memorySnippet, user
   }
 
   // --- Opportunity signals (innovation / feature requests) ---
-
-  // user_feature_request: user explicitly asks for a new capability
-  // Look for action verbs + object patterns that indicate a feature request
-  if (/\b(add|implement|create|build|make|develop|write|design)\b[^.?!\n]{3,60}\b(feature|function|module|capability|tool|support|endpoint|command|option|mode)\b/i.test(corpus)) {
-    signals.push('user_feature_request');
+  // Support 4 languages: 简中、繁中、英、日. Attach extra info (snippet) for selector/prompt use.
+
+  var featureRequestSnippet = '';
+  // English
+  var featEn = corpus.match(/\b(add|implement|create|build|make|develop|write|design)\b[^.?!\n]{3,120}\b(feature|function|module|capability|tool|support|endpoint|command|option|mode)\b/i);
+  if (featEn) featureRequestSnippet = featEn[0].replace(/\s+/g, ' ').trim().slice(0, 200);
+  if (!featureRequestSnippet && /\b(i want|i need|we need|please add|can you add|could you add|let'?s add)\b/i.test(lower)) {
+    var featWant = corpus.match(/.{0,80}\b(i want|i need|we need|please add|can you add|could you add|let'?s add)\b.{0,80}/i);
+    featureRequestSnippet = featWant ? featWant[0].replace(/\s+/g, ' ').trim().slice(0, 200) : 'feature request';
+  }
+  // 简中（含「我想……」：截取描述至 200 字）
+  if (!featureRequestSnippet && /加个|实现一下|做个|想要\s*一个|需要\s*一个|帮我加|帮我开发|加一下|新增一个|加个功能|做个功能|我想/.test(corpus)) {
+    var featZh = corpus.match(/.{0,100}(加个|实现一下|做个|想要\s*一个|需要\s*一个|帮我加|帮我开发|加一下|新增一个|加个功能|做个功能).{0,100}/);
+    if (featZh) featureRequestSnippet = featZh[0].replace(/\s+/g, ' ').trim().slice(0, 200);
+    if (!featureRequestSnippet && /我想/.test(corpus)) {
+      var featWantZh = corpus.match(/我想\s*[，,\.。、\s]*([\s\S]{0,400})/);
+      featureRequestSnippet = featWantZh ? (featWantZh[1].replace(/\s+/g, ' ').trim().slice(0, 200) || '功能需求') : '功能需求';
+    }
+    if (!featureRequestSnippet) featureRequestSnippet = '功能需求';
   }
-  // Also catch direct "I want/need X" patterns
-  if (/\b(i want|i need|we need|please add|can you add|could you add|let'?s add)\b/i.test(lower)) {
-    signals.push('user_feature_request');
+  // 繁中
+  if (!featureRequestSnippet && /加個|實現一下|做個|想要一個|請加|新增一個|加個功能|做個功能|幫我加/.test(corpus)) {
+    var featTw = corpus.match(/.{0,100}(加個|實現一下|做個|想要一個|請加|新增一個|加個功能|做個功能|幫我加).{0,100}/);
+    featureRequestSnippet = featTw ? featTw[0].replace(/\s+/g, ' ').trim().slice(0, 200) : '功能需求';
+  }
+  // 日
+  if (!featureRequestSnippet && /追加|実装|作って|機能を|追加して|が欲しい|を追加|してほしい/.test(corpus)) {
+    var featJa = corpus.match(/.{0,100}(追加|実装|作って|機能を|追加して|が欲しい|を追加|してほしい).{0,100}/);
+    featureRequestSnippet = featJa ? featJa[0].replace(/\s+/g, ' ').trim().slice(0, 200) : '機能要望';
+  }
+  if (featureRequestSnippet || /\b(add|implement|create|build|make|develop|write|design)\b[^.?!\n]{3,60}\b(feature|function|module|capability|tool|support|endpoint|command|option|mode)\b/i.test(corpus) ||
+      /\b(i want|i need|we need|please add|can you add|could you add|let'?s add)\b/i.test(lower) ||
+      /加个|实现一下|做个|想要\s*一个|需要\s*一个|帮我加|帮我开发|加一下|新增一个|加个功能|做个功能|我想/.test(corpus) ||
+      /加個|實現一下|做個|想要一個|請加|新增一個|加個功能|做個功能|幫我加/.test(corpus) ||
+      /追加|実装|作って|機能を|追加して|が欲しい|を追加|してほしい/.test(corpus)) {
+    signals.push('user_feature_request:' + (featureRequestSnippet || ''));
   }
 
-  // user_improvement_suggestion: user suggests making something better
-  if (/\b(should be|could be better|improve|enhance|upgrade|refactor|clean up|simplify|streamline)\b/i.test(lower)) {
-    // Only fire if there is no active error (to distinguish from repair requests)
-    if (!errorHit) signals.push('user_improvement_suggestion');
+  // user_improvement_suggestion: 4 languages + extra
+  var improvementSnippet = '';
+  if (!errorHit) {
+    var impEn = corpus.match(/.{0,80}\b(should be|could be better|improve|enhance|upgrade|refactor|clean up|simplify|streamline)\b.{0,80}/i);
+    if (impEn) improvementSnippet = impEn[0].replace(/\s+/g, ' ').trim().slice(0, 200);
+    if (!improvementSnippet && /改进一下|优化一下|简化|重构|整理一下|弄得更好/.test(corpus)) {
+      var impZh = corpus.match(/.{0,100}(改进一下|优化一下|简化|重构|整理一下|弄得更好).{0,100}/);
+      improvementSnippet = impZh ? impZh[0].replace(/\s+/g, ' ').trim().slice(0, 200) : '改进建议';
+    }
+    if (!improvementSnippet && /改進一下|優化一下|簡化|重構|整理一下|弄得更好/.test(corpus)) {
+      var impTw = corpus.match(/.{0,100}(改進一下|優化一下|簡化|重構|整理一下|弄得更好).{0,100}/);
+      improvementSnippet = impTw ? impTw[0].replace(/\s+/g, ' ').trim().slice(0, 200) : '改進建議';
+    }
+    if (!improvementSnippet && /改善|最適化|簡素化|リファクタ|良くして|改良/.test(corpus)) {
+      var impJa = corpus.match(/.{0,100}(改善|最適化|簡素化|リファクタ|良くして|改良).{0,100}/);
+      improvementSnippet = impJa ? impJa[0].replace(/\s+/g, ' ').trim().slice(0, 200) : '改善要望';
+    }
+    var hasImprovement = improvementSnippet ||
+      /\b(should be|could be better|improve|enhance|upgrade|refactor|clean up|simplify|streamline)\b/i.test(lower) ||
+      /改进一下|优化一下|简化|重构|整理一下|弄得更好/.test(corpus) ||
+      /改進一下|優化一下|簡化|重構|整理一下|弄得更好/.test(corpus) ||
+      /改善|最適化|簡素化|リファクタ|良くして|改良/.test(corpus);
+    if (hasImprovement) signals.push('user_improvement_suggestion:' + (improvementSnippet || ''));
   }
 
   // perf_bottleneck: performance issues detected
   if (/\b(slow|timeout|timed?\s*out|latency|bottleneck|took too long|performance issue|high cpu|high memory|oom|out of memory)\b/i.test(lower)) {
     signals.push('perf_bottleneck');
   }
+  // Chinese: 慢/超时/卡顿/性能/内存溢出
+  if (/太慢|超时|卡顿|性能问题|内存溢出|跑不动|很慢/.test(corpus)) {
+    signals.push('perf_bottleneck');
+  }
 
   // capability_gap: something is explicitly unsupported or missing
   if (/\b(not supported|cannot|doesn'?t support|no way to|missing feature|unsupported|not available|not implemented|no support for)\b/i.test(lower)) {
@@ -229,6 +286,12 @@ function extractSignals({ recentSessionTranscript, todayLog, memorySnippet, user
       signals.push('capability_gap');
     }
   }
+  // Chinese: 不支持/没法/无法/没有这个功能
+  if (/不支持|没法|无法\s*实现|没有这个功能|还不支持/.test(corpus)) {
+    if (!signals.includes('memory_missing') && !signals.includes('user_missing') && !signals.includes('session_logs_missing')) {
+      signals.push('capability_gap');
+    }
+  }
 
   // --- Tool Usage Analytics ---
   var toolUsage = {};
@@ -273,7 +336,9 @@ function extractSignals({ recentSessionTranscript, todayLog, memorySnippet, user
     var beforeDedup = signals.length;
     signals = signals.filter(function (s) {
       // Normalize signal key for comparison
-      var key = s.startsWith('errsig:') ? 'errsig' : s.startsWith('recurring_errsig') ? 'recurring_errsig' : s;
+      var key = s.startsWith('errsig:') ? 'errsig' : s.startsWith('recurring_errsig') ? 'recurring_errsig'
+        : s.startsWith('user_feature_request:') ? 'user_feature_request' : s.startsWith('user_improvement_suggestion:') ? 'user_improvement_suggestion'
+        : s;
       return !history.suppressedSignals.has(key);
     });
     if (beforeDedup > 0 && signals.length === 0) {

diff --git a/test/selector.test.js b/test/selector.test.js
@@ -23,7 +23,7 @@ const GENES = [
     type: 'Gene',
     id: 'gene_innovate',
     category: 'innovate',
-    signals_match: ['user_feature_request', 'capability_gap', 'stable_success_plateau'],
+    signals_match: ['user_feature_request', 'user_improvement_suggestion', 'capability_gap', 'stable_success_plateau'],
     strategy: ['build it'],
     validation: ['node -e "true"'],
   },
@@ -81,6 +81,19 @@ describe('selectGene', () => {
     // With preference, it should be selected even if gene_repair scores higher
     assert.equal(result.selected.id, 'gene_optimize');
   });
+
+  it('matches gene when signal carries extra info (user_feature_request:snippet)', () => {
+    // Signal format: "user_feature_request:加个支付模块" — selector matches by substring includes(pattern)
+    const result = selectGene(GENES, ['user_feature_request:加个支付模块，要支持微信和支付宝'], {});
+    assert.ok(result.selected, 'should select a gene');
+    assert.equal(result.selected.id, 'gene_innovate', 'innovate gene has signals_match user_feature_request');
+  });
+
+  it('matches gene when signal carries extra info (user_improvement_suggestion:snippet)', () => {
+    const result = selectGene(GENES, ['user_improvement_suggestion:refactor the payment module and simplify the API'], {});
+    assert.ok(result.selected);
+    assert.equal(result.selected.id, 'gene_innovate', 'innovate gene has signals_match user_improvement_suggestion');
+  });
 });
 
 describe('selectCapsule', () => {