refactor: 合并 AI 评审按钮到审查 Tab，移除重复入口

- 移除 Diff 视图中的「🤖 AI 评审」按钮及行内进度/总结区域
- Review Tab 的「开始审查」现在具备行内 Diff 建议插入能力
- 合并 startInlineReview 到 startReview，统一 SSE 流和变量
- 移除独立的 review-diff-container，建议直接插入 Diff Tab 的 diff 视图
- 完成后 Review Tab 显示总结/备注/卡片，Diff Tab 显示行内建议

templates/pages/repo.html

@@ -51,9 +51,9 @@
             border: 1px solid #fde68a;
         }
         @media print {
-            nav, footer, #review-actions, #btn-review, #btn-toggle-diff,
+            nav, footer, #review-actions, #btn-review,
             .note-save-indicator, select, input, #review-progress,
-            #diff-review-container, #history-select,
+            #history-select,
             label[for="base-ref"], label[for="head-ref"],
             label[for="top-n"], label[for="concurrency"] { display: none !important; }
 
@@ -139,9 +139,6 @@
                     <div class="flex gap-1 ml-auto items-center">
                         <button onclick="setDiffView('side-by-side')" id="btn-side-by-side" class="px-3 py-1 text-xs bg-blue-100 text-blue-700 rounded font-medium">并排</button>
                         <button onclick="setDiffView('unified')" id="btn-unified" class="px-3 py-1 text-xs bg-gray-100 text-gray-600 rounded hover:bg-gray-200">统一</button>
-                        <button onclick="startInlineReview()" id="btn-inline-review" class="px-3 py-1 text-xs bg-purple-100 text-purple-700 rounded font-medium hover:bg-purple-200 ml-2">
-                            🤖 AI 评审
-                        </button>
                     </div>
                 </div>
                 <div class="mt-2 flex items-center gap-3">
@@ -183,28 +180,6 @@
                 <!-- Diff Tab -->
                 <div id="panel-diff" class="p-4 hidden">
                     <div id="diff-container"></div>
-                    <!-- Inline review progress -->
-                    <div id="review-progress" class="hidden mt-4 bg-white rounded-lg border p-4">
-                        <div class="flex items-center justify-between mb-2">
-                            <span class="text-sm font-medium text-gray-700">🤖 AI 代码审查</span>
-                            <button onclick="cancelInlineReview()" class="text-xs text-gray-400 hover:text-gray-600">取消</button>
-                        </div>
-                        <div class="w-full bg-gray-200 rounded-full h-2 mb-2">
-                            <div id="review-progress-bar" class="bg-purple-600 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
-                        </div>
-                        <p id="review-progress-text" class="text-xs text-gray-500">准备中...</p>
-                    </div>
-                    <!-- Review summary (shown after completion) -->
-                    <div id="review-summary" class="hidden mt-4 bg-white rounded-lg border p-4">
-                        <div class="flex items-center justify-between mb-2">
-                            <span class="text-sm font-medium text-gray-700">审查总结</span>
-                            <div class="flex gap-2">
-                                <button onclick="showTab('review'); startReview()" class="text-xs text-purple-600 hover:underline">查看完整审查</button>
-                                <button onclick="clearInlineReview()" class="text-xs text-gray-400 hover:text-gray-600">清除</button>
-                            </div>
-                        </div>
-                        <div id="review-summary-content" class="text-sm text-gray-700"></div>
-                    </div>
                 </div>
 
                 <!-- PR Description Tab -->
@@ -275,12 +250,15 @@
                     </div>
 
                     <!-- Progress -->
-                    <div id="review-progress-full" class="mb-6 hidden">
-                        <h3 class="font-semibold text-gray-700 mb-2">审查进度</h3>
-                        <div class="w-full bg-gray-200 rounded-full h-2.5 mb-2">
-                            <div id="review-progress-bar-full" class="bg-purple-600 h-2.5 rounded-full transition-all duration-300" style="width: 0%"></div>
+                    <div id="review-progress" class="mb-6 hidden">
+                        <div class="flex items-center justify-between mb-2">
+                            <h3 class="font-semibold text-gray-700">🤖 审查进度</h3>
+                            <button onclick="cancelReview()" class="text-xs text-gray-400 hover:text-gray-600">取消</button>
                         </div>
-                        <p id="review-progress-text-full" class="text-sm text-gray-500">准备中...</p>
+                        <div class="w-full bg-gray-200 rounded-full h-2.5 mb-2">
+                            <div id="review-progress-bar" class="bg-purple-600 h-2.5 rounded-full transition-all duration-300" style="width: 0%"></div>
+                        </div>
+                        <p id="review-progress-text" class="text-sm text-gray-500">准备中...</p>
                     </div>
 
                     <!-- Results -->
@@ -316,27 +294,17 @@
                         </div>
 
                         <!-- Actions Bar -->
-                        <div id="review-actions" class="flex items-center gap-3 mb-6 hidden">
+                        <div id="review-actions" class="flex items-center gap-3 mb-6">
                             <button onclick="NoteEditor.exportPDF()" id="btn-export-pdf"
                                     class="px-4 py-2 bg-indigo-600 text-white rounded-md hover:bg-indigo-700 text-sm">
                                 📄 导出 PDF 报告
                             </button>
+                            <button onclick="showTab('diff')" class="text-sm text-purple-600 hover:underline">
+                                查看 Diff 中的行内建议 →
+                            </button>
                         </div>
 
-                        <!-- Inline Diff + Suggestions View -->
-                        <div id="diff-review-container" class="mb-6">
-                            <div class="flex items-center justify-between mb-3">
-                                <h2 class="text-lg font-semibold text-gray-900">代码变更 & 审查建议</h2>
-                                <div class="flex gap-2">
-                                    <button onclick="toggleDiffView()" id="btn-toggle-diff" class="px-3 py-1 text-xs bg-gray-100 rounded hover:bg-gray-200">
-                                        隐藏 Diff
-                                    </button>
-                                </div>
-                            </div>
-                            <div id="review-diff-container"></div>
-                        </div>
-
-                        <!-- File Reviews (card-based fallback) -->
+                        <!-- File Reviews -->
                         <div id="file-reviews" class="space-y-4"></div>
                     </div>
                 </div>
@@ -626,109 +594,15 @@
             return Markdown.render(text);
         }
 
-        // ── Inline AI Review (quick review in Diff tab) ─────────────────
-
-        let inlineReviewSSE = null;
-        let inlineSuggestions = [];
-
-        function startInlineReview() {
-            const base = document.getElementById('select-base').value;
-            const head = document.getElementById('select-head').value;
-            if (!base || !head) {
-                showToast('请先选择 Base 和 Head 并查看 Diff', 'warning');
-                return;
-            }
-
-            // Cancel previous if running
-            if (inlineReviewSSE) {
-                inlineReviewSSE.abort();
-            }
-
-            const btn = document.getElementById('btn-inline-review');
-            const progress = document.getElementById('review-progress');
-            const summary = document.getElementById('review-summary');
-
-            btn.disabled = true;
-            btn.textContent = '⏳ 审查中...';
-            progress.classList.remove('hidden');
-            summary.classList.add('hidden');
-
-            inlineSuggestions = [];
-            let totalFiles = 0;
-            let completedFiles = 0;
-
-            inlineReviewSSE = SSE.post(`/api/repos/${repoId}/review`, {
-                base, head, top_n: 0,
-            }, {
-                start(data) {
-                    totalFiles = data.total_files || 0;
-                    document.getElementById('review-progress-text').textContent = `准备审查 ${totalFiles} 个文件...`;
-                    document.getElementById('review-progress-bar').style.width = '5%';
-                },
-                file_start(data) {
-                    completedFiles++;
-                    const pct = totalFiles > 0 ? Math.round((completedFiles / totalFiles) * 80 + 10) : 50;
-                    document.getElementById('review-progress-bar').style.width = pct + '%';
-                    document.getElementById('review-progress-text').textContent = `正在审查: ${data.file || ''} (${completedFiles}/${totalFiles})`;
-                },
-                suggestion(data) {
-                    inlineSuggestions.push(data);
-                },
-                summary(data) {
-                    const el = document.getElementById('review-summary-content');
-                    if (data.score !== undefined) {
-                        el.innerHTML = renderSummaryHtml(data);
-                    } else {
-                        el.innerHTML = renderMarkdown(data.content || '');
-                    }
-                    document.getElementById('review-progress-bar').style.width = '90%';
-                },
-                done() {
-                    document.getElementById('review-progress-bar').style.width = '100%';
-                    document.getElementById('review-progress-text').textContent = '审查完成！';
-
-                    setTimeout(() => {
-                        progress.classList.add('hidden');
-                        summary.classList.remove('hidden');
-                        btn.disabled = false;
-                        btn.textContent = '🤖 AI 评审';
-                    }, 500);
-
-                    // Insert suggestions into the existing diff
-                    insertInlineSuggestions();
-                    inlineReviewSSE = null;
-                },
-                analysis_saved(data) {
-                    // Update "查看完整审查" link behavior
-                },
-                error(data) {
-                    showToast('审查失败: ' + (data.message || '未知错误'), 'error');
-                    progress.classList.add('hidden');
-                    btn.disabled = false;
-                    btn.textContent = '🤖 AI 评审';
-                    inlineReviewSSE = null;
-                },
-            });
-        }
-
-        function cancelInlineReview() {
-            if (inlineReviewSSE) {
-                inlineReviewSSE.abort();
-                inlineReviewSSE = null;
-            }
-            document.getElementById('review-progress').classList.add('hidden');
-            const btn = document.getElementById('btn-inline-review');
-            btn.disabled = false;
-            btn.textContent = '🤖 AI 评审';
-        }
+        // ── Insert suggestions into Diff tab's diff view ──────────────
 
         function insertInlineSuggestions() {
             const fileSeverities = {};
             const severityOrder = { critical: 3, warning: 2, info: 1 };
 
-            inlineSuggestions.forEach((s, i) => {
+            allSuggestions.forEach((s, i) => {
                 if (s.file) {
-                    DiffViewer.insertFileSuggestion(s.file, s.severity, s.content, 'inline-sug-' + i);
+                    DiffViewer.insertFileSuggestion(s.file, s.severity, s.content, 'sug-' + i);
                     const cur = fileSeverities[s.file] || 'info';
                     if ((severityOrder[s.severity] || 0) > (severityOrder[cur] || 0)) {
                         fileSeverities[s.file] = s.severity;
@@ -746,12 +620,10 @@
             }
         }
 
-        function clearInlineReview() {
+        function clearInlineSuggestions() {
             const container = document.getElementById('diff-container');
             container.querySelectorAll('.file-suggestions-container').forEach(el => el.remove());
             container.querySelectorAll('.file-tree-severity').forEach(el => el.remove());
-            document.getElementById('review-summary').classList.add('hidden');
-            inlineSuggestions = [];
         }
 
         // ── Generate PR Description ─────────────────────────────────────
@@ -847,10 +719,9 @@
             document.body.removeChild(textarea);
         }
 
-        // ── Full AI Code Review ─────────────────────────────────────────
+        // ── AI Code Review ─────────────────────────────────────────────
 
         let currentSSE = null;
-        let diffVisible = true;
         let allSuggestions = [];
         let fileReviews = {};
         let currentAnalysisId = null;
@@ -871,7 +742,7 @@
             }
 
             const btn = document.getElementById('btn-review');
-            const progress = document.getElementById('review-progress-full');
+            const progress = document.getElementById('review-progress');
             const results = document.getElementById('review-results');
 
             btn.disabled = true;
@@ -885,18 +756,16 @@
             currentAnalysisId = null;
             document.getElementById('summary-content').innerHTML = '';
             document.getElementById('file-reviews').innerHTML = '';
-            document.getElementById('review-actions').classList.add('hidden');
+
+            // Clear previous inline suggestions from diff view
+            clearInlineSuggestions();
+            window._reviewDiff = null;
 
             // Progress tracking
             let totalFiles = 0;
             let completedFiles = 0;
             let startedFiles = 0;
 
-            function updateProgress() {
-                const pct = totalFiles > 0 ? Math.round((completedFiles / totalFiles) * 80 + 10) : 50;
-                document.getElementById('review-progress-bar-full').style.width = pct + '%';
-            }
-
             const concurrency = document.getElementById('concurrency').value;
 
             currentSSE = SSE.post(`/api/repos/${repoId}/review`, {
@@ -906,13 +775,13 @@
             }, {
                 start(data) {
                     totalFiles = data.total_files || 0;
-                    document.getElementById('review-progress-text-full').textContent = `准备审查 ${totalFiles} 个文件...`;
-                    document.getElementById('review-progress-bar-full').style.width = '5%';
+                    document.getElementById('review-progress-text').textContent = `准备审查 ${totalFiles} 个文件...`;
+                    document.getElementById('review-progress-bar').style.width = '5%';
                 },
                 file_start(data) {
                     startedFiles++;
                     const currentFile = data.file || '';
-                    document.getElementById('review-progress-text-full').textContent = `正在审查: ${currentFile} (${startedFiles}/${totalFiles})`;
+                    document.getElementById('review-progress-text').textContent = `正在审查: ${currentFile} (${startedFiles}/${totalFiles})`;
 
                     if (!fileReviews[currentFile]) {
                         fileReviews[currentFile] = { filename: currentFile, suggestions: [], summary: '' };
@@ -929,8 +798,9 @@
                 },
                 file_end(data) {
                     completedFiles++;
-                    updateProgress();
-                    document.getElementById('review-progress-text-full').textContent = `已完成 ${completedFiles}/${totalFiles} 个文件`;
+                    const pct = totalFiles > 0 ? Math.round((completedFiles / totalFiles) * 80 + 10) : 50;
+                    document.getElementById('review-progress-bar').style.width = pct + '%';
+                    document.getElementById('review-progress-text').textContent = `已完成 ${completedFiles}/${totalFiles} 个文件`;
                 },
                 file_summary(data) {
                     if (data.file && fileReviews[data.file]) {
@@ -949,25 +819,41 @@
                     } else {
                         el.innerHTML = renderMarkdown(data.content || '');
                     }
-                    document.getElementById('review-progress-bar-full').style.width = '90%';
-                    document.getElementById('review-progress-text-full').textContent = '生成总结...';
+                    document.getElementById('review-progress-bar').style.width = '90%';
+                    document.getElementById('review-progress-text').textContent = '生成总结...';
                 },
                 done() {
-                    document.getElementById('review-progress-bar-full').style.width = '100%';
-                    document.getElementById('review-progress-text-full').textContent = '审查完成！';
+                    document.getElementById('review-progress-bar').style.width = '100%';
+                    document.getElementById('review-progress-text').textContent = '审查完成！';
 
                     setTimeout(() => {
                         progress.classList.add('hidden');
                         results.classList.remove('hidden');
-                        document.getElementById('review-actions').classList.remove('hidden');
                         btn.disabled = false;
                         btn.textContent = '开始审查';
                         updatePrintHeader();
                     }, 500);
 
-                    // Render inline suggestions if diff is available
+                    // Insert suggestions into the Diff tab's diff view
                     if (window._reviewDiff) {
-                        renderInlineReview(window._reviewDiff);
+                        DiffViewer.init('diff-container');
+                        DiffViewer.renderDiff(window._reviewDiff, {
+                            onComplete() {
+                                insertInlineSuggestions();
+                            }
+                        });
+                    } else {
+                        // Diff not streamed; fetch it and render
+                        fetch(`/api/repos/${repoId}/diff?base=${encodeURIComponent(base)}&head=${encodeURIComponent(head)}`, { credentials: 'same-origin' })
+                            .then(r => r.json())
+                            .then(d => {
+                                if (d.diff) {
+                                    DiffViewer.init('diff-container');
+                                    DiffViewer.renderDiff(d.diff, {
+                                        onComplete() { insertInlineSuggestions(); }
+                                    });
+                                }
+                            }).catch(() => {});
                     }
 
                     currentSSE = null;
@@ -989,6 +875,17 @@
             });
         }
 
+        function cancelReview() {
+            if (currentSSE) {
+                currentSSE.abort();
+                currentSSE = null;
+            }
+            document.getElementById('review-progress').classList.add('hidden');
+            const btn = document.getElementById('btn-review');
+            btn.disabled = false;
+            btn.textContent = '开始审查';
+        }
+
         function appendSuggestionCard(suggestion) {
             const container = document.getElementById('file-reviews');
 
@@ -1025,41 +922,6 @@
             return (str || '').replace(/[^a-zA-Z0-9]/g, '-');
         }
 
-        function renderInlineReview(diffString) {
-            const container = document.getElementById('review-diff-container');
-            if (!container) return;
-
-            DiffViewer.init('review-diff-container');
-            DiffViewer.renderDiff(diffString, {
-                onComplete() {
-                    const fileSeverities = {};
-                    const severityOrder = { critical: 3, warning: 2, info: 1 };
-
-                    allSuggestions.forEach((s, i) => {
-                        if (s.file) {
-                            DiffViewer.insertFileSuggestion(s.file, s.severity, s.content, 'sug-' + i);
-                            const cur = fileSeverities[s.file] || 'info';
-                            if ((severityOrder[s.severity] || 0) > (severityOrder[cur] || 0)) {
-                                fileSeverities[s.file] = s.severity;
-                            }
-                        }
-                    });
-
-                    Object.entries(fileSeverities).forEach(([file, sev]) => {
-                        DiffViewer.markFileSeverity(file, sev);
-                    });
-                }
-            });
-        }
-
-        function toggleDiffView() {
-            const container = document.getElementById('review-diff-container');
-            const btn = document.getElementById('btn-toggle-diff');
-            diffVisible = !diffVisible;
-            container.style.display = diffVisible ? '' : 'none';
-            btn.textContent = diffVisible ? '隐藏 Diff' : '显示 Diff';
-        }
-
         function updatePrintHeader() {
             const baseEl = document.getElementById('select-base');
             const headEl = document.getElementById('select-head');
@@ -1143,7 +1005,7 @@
                 document.getElementById('review-actions').classList.remove('hidden');
                 updatePrintHeader();
 
-                // Load diff and render inline
+                // Load diff and render with inline suggestions in Diff tab
                 const base = data.base_ref;
                 const head = data.head_ref;
 
@@ -1152,7 +1014,12 @@
                     const diffData = await diffResp.json();
                     const diffString = diffData.diff || '';
                     if (diffString) {
-                        renderInlineReview(diffString);
+                        DiffViewer.init('diff-container');
+                        DiffViewer.renderDiff(diffString, {
+                            onComplete() {
+                                insertInlineSuggestions();
+                            }
+                        });
                     }
                 }