feat: Phase 2 交互与纠错工作台完成

- 新增实体编辑 API (名称、类型、定义、别名)
- 新增实体删除和合并功能
- 新增关系管理 (创建、删除)
- 新增转录文本编辑功能
- 新增划词创建实体功能
- 前端新增实体编辑器模态框
- 前端新增右键菜单和工具栏
- 文本与图谱双向联动优化

frontend/app.js

@@ -1,4 +1,4 @@
-// InsightFlow Frontend - Production Version
+// InsightFlow Frontend - Phase 2 (Interactive Workbench)
 const API_BASE = '/api/v1';
 
 let currentProject = null;
@@ -6,6 +6,9 @@ let currentData = null;
 let selectedEntity = null;
 let projectRelations = [];
 let projectEntities = [];
+let currentTranscript = null;
+let editMode = false;
+let contextMenuTarget = null;
 
 // Init
 document.addEventListener('DOMContentLoaded', () => {
@@ -37,6 +40,8 @@ async function initWorkbench() {
         if (nameEl) nameEl.textContent = currentProject.name;
         
         initUpload();
+        initContextMenu();
+        initTextSelection();
         await loadProjectData();
         
     } catch (err) {
@@ -65,12 +70,88 @@ async function uploadAudio(file) {
     return await res.json();
 }
 
+// Phase 2: Entity Edit API
+async function updateEntity(entityId, data) {
+    const res = await fetch(`${API_BASE}/entities/${entityId}`, {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    });
+    if (!res.ok) throw new Error('Failed to update entity');
+    return await res.json();
+}
+
+async function deleteEntityApi(entityId) {
+    const res = await fetch(`${API_BASE}/entities/${entityId}`, {
+        method: 'DELETE'
+    });
+    if (!res.ok) throw new Error('Failed to delete entity');
+    return await res.json();
+}
+
+async function mergeEntitiesApi(sourceId, targetId) {
+    const res = await fetch(`${API_BASE}/entities/${sourceId}/merge`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ source_entity_id: sourceId, target_entity_id: targetId })
+    });
+    if (!res.ok) throw new Error('Failed to merge entities');
+    return await res.json();
+}
+
+async function createEntityApi(data) {
+    const res = await fetch(`${API_BASE}/projects/${currentProject.id}/entities`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    });
+    if (!res.ok) throw new Error('Failed to create entity');
+    return await res.json();
+}
+
+// Phase 2: Relation API
+async function createRelationApi(data) {
+    const res = await fetch(`${API_BASE}/projects/${currentProject.id}/relations`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    });
+    if (!res.ok) throw new Error('Failed to create relation');
+    return await res.json();
+}
+
+async function deleteRelationApi(relationId) {
+    const res = await fetch(`${API_BASE}/relations/${relationId}`, {
+        method: 'DELETE'
+    });
+    if (!res.ok) throw new Error('Failed to delete relation');
+    return await res.json();
+}
+
+// Phase 2: Transcript API
+async function getTranscript(transcriptId) {
+    const res = await fetch(`${API_BASE}/transcripts/${transcriptId}`);
+    if (!res.ok) throw new Error('Failed to get transcript');
+    return await res.json();
+}
+
+async function updateTranscript(transcriptId, fullText) {
+    const res = await fetch(`${API_BASE}/transcripts/${transcriptId}`, {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ full_text: fullText })
+    });
+    if (!res.ok) throw new Error('Failed to update transcript');
+    return await res.json();
+}
+
 async function loadProjectData() {
     try {
         // 并行加载实体和关系
-        const [entitiesRes, relationsRes] = await Promise.all([
+        const [entitiesRes, relationsRes, transcriptsRes] = await Promise.all([
             fetch(`${API_BASE}/projects/${currentProject.id}/entities`),
-            fetch(`${API_BASE}/projects/${currentProject.id}/relations`)
+            fetch(`${API_BASE}/projects/${currentProject.id}/relations`),
+            fetch(`${API_BASE}/projects/${currentProject.id}/transcripts`)
         ]);
         
         if (entitiesRes.ok) {
@@ -80,14 +161,22 @@ async function loadProjectData() {
             projectRelations = await relationsRes.json();
         }
         
-        currentData = {
-            transcript_id: 'project_view',
-            project_id: currentProject.id,
-            segments: [],
-            entities: projectEntities,
-            full_text: '',
-            created_at: new Date().toISOString()
-        };
+        // 加载最新的转录
+        if (transcriptsRes.ok) {
+            const transcripts = await transcriptsRes.json();
+            if (transcripts.length > 0) {
+                currentTranscript = await getTranscript(transcripts[0].id);
+                currentData = {
+                    transcript_id: currentTranscript.id,
+                    project_id: currentProject.id,
+                    segments: [{ speaker: '全文', text: currentTranscript.full_text }],
+                    entities: projectEntities,
+                    full_text: currentTranscript.full_text,
+                    created_at: currentTranscript.created_at
+                };
+                renderTranscript();
+            }
+        }
         
         renderGraph();
         renderEntityList();
@@ -97,39 +186,80 @@ async function loadProjectData() {
     }
 }
 
+// Phase 2: Transcript Edit Mode
+window.toggleEditMode = function() {
+    editMode = !editMode;
+    const editBtn = document.getElementById('editBtn');
+    const saveBtn = document.getElementById('saveBtn');
+    const content = document.getElementById('transcriptContent');
+    
+    if (editMode) {
+        editBtn.style.display = 'none';
+        saveBtn.style.display = 'inline-block';
+        content.contentEditable = 'true';
+        content.style.background = '#0f0f0f';
+        content.style.border = '1px solid #00d4ff';
+        content.focus();
+    } else {
+        editBtn.style.display = 'inline-block';
+        saveBtn.style.display = 'none';
+        content.contentEditable = 'false';
+        content.style.background = '';
+        content.style.border = '';
+    }
+};
+
+window.saveTranscript = async function() {
+    if (!currentTranscript) return;
+    
+    const content = document.getElementById('transcriptContent');
+    const fullText = content.innerText;
+    
+    try {
+        await updateTranscript(currentTranscript.id, fullText);
+        currentTranscript.full_text = fullText;
+        toggleEditMode();
+        alert('转录文本已保存');
+    } catch (err) {
+        console.error('Save failed:', err);
+        alert('保存失败: ' + err.message);
+    }
+};
+
 // Render transcript with entity highlighting
 function renderTranscript() {
     const container = document.getElementById('transcriptContent');
-    if (!container || !currentData || !currentData.segments) return;
+    if (!container || !currentData) return;
     
     container.innerHTML = '';
     
-    currentData.segments.forEach((seg, idx) => {
-        const div = document.createElement('div');
-        div.className = 'segment';
-        div.dataset.index = idx;
-        
-        // 高亮实体
-        let text = seg.text;
-        const entities = findEntitiesInText(seg.text);
-        
-        // 按位置倒序替换，避免位置偏移
-        entities.sort((a, b) => b.start - a.start);
-        
-        entities.forEach(ent => {
-            const before = text.slice(0, ent.start);
-            const name = text.slice(ent.start, ent.end);
-            const after = text.slice(ent.end);
-            text = before + `<span class="entity" data-id="${ent.id}" onclick="window.selectEntity('${ent.id}')">${name}</span>` + after;
-        });
-        
-        div.innerHTML = `
-            <div class="speaker">${seg.speaker}</div>
-            <div class="segment-text">${text}</div>
-        `;
-        
-        container.appendChild(div);
+    if (editMode) {
+        container.innerText = currentData.full_text || '';
+        return;
+    }
+    
+    // 高亮实体
+    let text = currentData.full_text || '';
+    const entities = findEntitiesInText(text);
+    
+    // 按位置倒序替换，避免位置偏移
+    entities.sort((a, b) => b.start - a.start);
+    
+    entities.forEach(ent => {
+        const before = text.slice(0, ent.start);
+        const name = text.slice(ent.start, ent.end);
+        const after = text.slice(ent.end);
+        text = before + `<span class="entity" data-id="${ent.id}" onclick="window.selectEntity('${ent.id}')">${name}</span>` + after;
     });
+    
+    const div = document.createElement('div');
+    div.className = 'segment';
+    div.innerHTML = `
+        <div class="speaker">转录文本</div>
+        <div class="segment-text">${text}</div>
+    `;
+    
+    container.appendChild(div);
 }
 
 // 在文本中查找实体位置
@@ -201,6 +331,7 @@ function renderGraph() {
     
     // 使用数据库中的关系
     const links = projectRelations.map(r => ({
+        id: r.id,
         source: r.source_id,
         target: r.target_id,
         type: r.type
@@ -256,7 +387,11 @@ function renderGraph() {
             .on('start', dragstarted)
             .on('drag', dragged)
             .on('end', dragended))
-        .on('click', (e, d) => window.selectEntity(d.id));
+        .on('click', (e, d) => window.selectEntity(d.id))
+        .on('contextmenu', (e, d) => {
+            e.preventDefault();
+            showContextMenu(e, d.id);
+        });
     
     // 节点圆圈
     node.append('circle')
@@ -332,9 +467,13 @@ function renderEntityList() {
         div.className = 'entity-item';
         div.dataset.id = ent.id;
         div.onclick = () => window.selectEntity(ent.id);
+        div.oncontextmenu = (e) => {
+            e.preventDefault();
+            showContextMenu(e, ent.id);
+        };
         
         div.innerHTML = `
-            <span class="entity-type-badge type-${ent.type.toLowerCase()}">${ent.type}</span>
+            <span class="entity-type-badge type-${ent.type}">${ent.type}</span>
             <div>
                 <div style="font-weight:500;">${ent.name}</div>
                 <div style="font-size:0.8rem;color:#666;">${ent.definition || '暂无定义'}</div>
@@ -354,11 +493,9 @@ window.selectEntity = function(entityId) {
     // 高亮文本中的实体
     document.querySelectorAll('.entity').forEach(el => {
         if (el.dataset.id === entityId) {
-            el.style.background = '#ff6b6b';
-            el.style.color = '#fff';
+            el.classList.add('selected');
         } else {
-            el.style.background = '';
-            el.style.color = '';
+            el.classList.remove('selected');
         }
     });
     
@@ -371,17 +508,286 @@ window.selectEntity = function(entityId) {
     // 高亮实体列表
     document.querySelectorAll('.entity-item').forEach(el => {
         if (el.dataset.id === entityId) {
-            el.style.background = '#2a2a2a';
-            el.style.borderLeft = '3px solid #ff6b6b';
+            el.classList.add('selected');
         } else {
-            el.style.background = '';
-            el.style.borderLeft = '';
+            el.classList.remove('selected');
         }
     });
     
     console.log('Selected:', entity.name, entity.definition);
 };
 
+// Phase 2: Context Menu
+function initContextMenu() {
+    document.addEventListener('click', () => {
+        hideContextMenu();
+    });
+}
+
+function showContextMenu(e, entityId) {
+    contextMenuTarget = entityId;
+    const menu = document.getElementById('contextMenu');
+    menu.style.left = e.pageX + 'px';
+    menu.style.top = e.pageY + 'px';
+    menu.classList.add('show');
+}
+
+function hideContextMenu() {
+    const menu = document.getElementById('contextMenu');
+    menu.classList.remove('show');
+    contextMenuTarget = null;
+}
+
+// Phase 2: Entity Editor Modal
+window.editEntity = function() {
+    hideContextMenu();
+    if (!contextMenuTarget && !selectedEntity) return;
+    
+    const entityId = contextMenuTarget || selectedEntity;
+    const entity = projectEntities.find(e => e.id === entityId);
+    if (!entity) return;
+    
+    document.getElementById('entityName').value = entity.name;
+    document.getElementById('entityType').value = entity.type;
+    document.getElementById('entityDefinition').value = entity.definition || '';
+    document.getElementById('entityAliases').value = (entity.aliases || []).join(', ');
+    
+    // 显示关系编辑器
+    document.getElementById('relationEditor').style.display = 'block';
+    renderRelationList(entityId);
+    
+    document.getElementById('entityModal').dataset.entityId = entityId;
+    document.getElementById('entityModal').classList.add('show');
+};
+
+function renderRelationList(entityId) {
+    const container = document.getElementById('relationList');
+    const entityRelations = projectRelations.filter(r => 
+        r.source_id === entityId || r.target_id === entityId
+    );
+    
+    if (entityRelations.length === 0) {
+        container.innerHTML = '<p style="color:#666;font-size:0.8rem;">暂无关系</p>';
+        return;
+    }
+    
+    container.innerHTML = entityRelations.map(r => {
+        const isSource = r.source_id === entityId;
+        const otherId = isSource ? r.target_id : r.source_id;
+        const other = projectEntities.find(e => e.id === otherId);
+        const otherName = other ? other.name : 'Unknown';
+        const arrow = isSource ? '→' : '←';
+        
+        return `
+            <div class="relation-item">
+                <span>${arrow} ${otherName} (${r.type})</span>
+                <button onclick="deleteRelation('${r.id}')">删除</button>
+            </div>
+        `;
+    }).join('');
+}
+
+window.hideEntityModal = function() {
+    document.getElementById('entityModal').classList.remove('show');
+};
+
+window.saveEntity = async function() {
+    const entityId = document.getElementById('entityModal').dataset.entityId;
+    if (!entityId) return;
+    
+    const data = {
+        name: document.getElementById('entityName').value,
+        type: document.getElementById('entityType').value,
+        definition: document.getElementById('entityDefinition').value,
+        aliases: document.getElementById('entityAliases').value.split(',').map(s => s.trim()).filter(s => s)
+    };
+    
+    try {
+        await updateEntity(entityId, data);
+        await loadProjectData();
+        hideEntityModal();
+    } catch (err) {
+        console.error('Save failed:', err);
+        alert('保存失败: ' + err.message);
+    }
+};
+
+window.deleteEntity = async function() {
+    const entityId = document.getElementById('entityModal').dataset.entityId;
+    if (!entityId) return;
+    
+    if (!confirm('确定要删除这个实体吗？相关的提及和关系也会被删除。')) return;
+    
+    try {
+        await deleteEntityApi(entityId);
+        await loadProjectData();
+        hideEntityModal();
+    } catch (err) {
+        console.error('Delete failed:', err);
+        alert('删除失败: ' + err.message);
+    }
+};
+
+// Phase 2: Merge Modal
+window.showMergeModal = function() {
+    hideContextMenu();
+    if (!contextMenuTarget && !selectedEntity) return;
+    
+    const sourceId = contextMenuTarget || selectedEntity;
+    const source = projectEntities.find(e => e.id === sourceId);
+    if (!source) return;
+    
+    document.getElementById('mergeSource').value = source.name;
+    document.getElementById('mergeModal').dataset.sourceId = sourceId;
+    
+    // 填充目标实体选项（排除自己）
+    const select = document.getElementById('mergeTarget');
+    select.innerHTML = projectEntities
+        .filter(e => e.id !== sourceId)
+        .map(e => `<option value="${e.id}">${e.name} (${e.type})</option>`)
+        .join('');
+    
+    document.getElementById('mergeModal').classList.add('show');
+};
+
+window.hideMergeModal = function() {
+    document.getElementById('mergeModal').classList.remove('show');
+};
+
+window.confirmMerge = async function() {
+    const sourceId = document.getElementById('mergeModal').dataset.sourceId;
+    const targetId = document.getElementById('mergeTarget').value;
+    
+    if (!sourceId || !targetId) return;
+    
+    try {
+        await mergeEntitiesApi(sourceId, targetId);
+        await loadProjectData();
+        hideMergeModal();
+    } catch (err) {
+        console.error('Merge failed:', err);
+        alert('合并失败: ' + err.message);
+    }
+};
+
+// Phase 2: Relation Modal
+window.showAddRelation = function() {
+    const entityId = document.getElementById('entityModal').dataset.entityId;
+    if (!entityId) return;
+    
+    const entity = projectEntities.find(e => e.id === entityId);
+    document.getElementById('relationModal').dataset.sourceId = entityId;
+    
+    // 填充目标选项
+    const select = document.getElementById('relationTarget');
+    select.innerHTML = projectEntities
+        .filter(e => e.id !== entityId)
+        .map(e => `<option value="${e.id}">${e.name}</option>`)
+        .join('');
+    
+    document.getElementById('relationModal').classList.add('show');
+};
+
+window.hideRelationModal = function() {
+    document.getElementById('relationModal').classList.remove('show');
+};
+
+window.saveRelation = async function() {
+    const sourceId = document.getElementById('relationModal').dataset.sourceId;
+    const targetId = document.getElementById('relationTarget').value;
+    const type = document.getElementById('relationType').value;
+    const evidence = document.getElementById('relationEvidence').value;
+    
+    if (!sourceId || !targetId) return;
+    
+    try {
+        await createRelationApi({
+            source_entity_id: sourceId,
+            target_entity_id: targetId,
+            relation_type: type,
+            evidence: evidence
+        });
+        await loadProjectData();
+        renderRelationList(sourceId);
+        hideRelationModal();
+    } catch (err) {
+        console.error('Create relation failed:', err);
+        alert('创建关系失败: ' + err.message);
+    }
+};
+
+window.deleteRelation = async function(relationId) {
+    if (!confirm('确定要删除这个关系吗？')) return;
+    
+    try {
+        await deleteRelationApi(relationId);
+        await loadProjectData();
+        const entityId = document.getElementById('entityModal').dataset.entityId;
+        if (entityId) renderRelationList(entityId);
+    } catch (err) {
+        console.error('Delete relation failed:', err);
+        alert('删除关系失败: ' + err.message);
+    }
+};
+
+// Phase 2: Text Selection - Create Entity
+function initTextSelection() {
+    document.addEventListener('selectionchange', () => {
+        const selection = window.getSelection();
+        const text = selection.toString().trim();
+        
+        if (text.length > 0 && text.length < 50) {
+            showSelectionToolbar();
+        } else {
+            hideSelectionToolbar();
+        }
+    });
+}
+
+function showSelectionToolbar() {
+    document.getElementById('selectionToolbar').classList.add('show');
+}
+
+window.hideSelectionToolbar = function() {
+    document.getElementById('selectionToolbar').classList.remove('show');
+    window.getSelection().removeAllRanges();
+};
+
+window.createEntityFromSelection = async function() {
+    const selection = window.getSelection();
+    const text = selection.toString().trim();
+    
+    if (!text) return;
+    
+    // 获取选中文本在全文中的位置
+    const container = document.getElementById('transcriptContent');
+    const fullText = currentTranscript ? currentTranscript.full_text : '';
+    const startPos = fullText.indexOf(text);
+    
+    try {
+        const result = await createEntityApi({
+            name: text,
+            type: 'OTHER',
+            definition: '',
+            transcript_id: currentTranscript ? currentTranscript.id : null,
+            start_pos: startPos >= 0 ? startPos : null,
+            end_pos: startPos >= 0 ? startPos + text.length : null
+        });
+        
+        hideSelectionToolbar();
+        await loadProjectData();
+        
+        if (!result.existed) {
+            alert(`已创建实体: ${text}`);
+        } else {
+            alert(`实体 "${text}" 已存在`);
+        }
+    } catch (err) {
+        console.error('Create entity failed:', err);
+        alert('创建实体失败: ' + err.message);
+    }
+};
+
 // Show/hide upload
 window.showUpload = function() {
     const el = document.getElementById('uploadOverlay');
@@ -420,14 +826,9 @@ function initUpload() {
             // 更新当前数据
             currentData = result;
             
-            // 重新加载项目数据（包含新实体和关系）
+            // 重新加载项目数据
             await loadProjectData();
             
-            // 渲染转录文本
-            if (result.segments && result.segments.length > 0) {
-                renderTranscript();
-            }
-            
             if (overlay) overlay.classList.remove('show');
             
         } catch (err) {

frontend/workbench.html

@@ -3,7 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>InsightFlow - 知识工作台</title>
+    <title>InsightFlow - 知识工作台 (Phase 2)</title>
     <script src="https://d3js.org/d3.v7.min.js"></script>
     <style>
         * { margin: 0; padding: 0; box-sizing: border-box; }
@@ -66,6 +66,23 @@
             justify-content: space-between;
             align-items: center;
         }
+        .panel-actions {
+            display: flex;
+            gap: 8px;
+        }
+        .btn-icon {
+            background: transparent;
+            border: 1px solid #333;
+            color: #888;
+            padding: 4px 10px;
+            border-radius: 4px;
+            cursor: pointer;
+            font-size: 0.8rem;
+        }
+        .btn-icon:hover {
+            border-color: #00d4ff;
+            color: #00d4ff;
+        }
         .transcript-content {
             flex: 1;
             padding: 20px;
@@ -92,6 +109,13 @@
         }
         .segment-text {
             color: #e0e0e0;
+            outline: none;
+        }
+        .segment-text[contenteditable="true"] {
+            background: #1a1a1a;
+            padding: 8px;
+            border-radius: 4px;
+            border: 1px solid #00d4ff;
         }
         .entity {
             background: rgba(123, 44, 191, 0.3);
@@ -99,10 +123,16 @@
             padding: 0 4px;
             border-radius: 3px;
             cursor: pointer;
+            position: relative;
         }
         .entity:hover {
             background: rgba(123, 44, 191, 0.5);
         }
+        .entity.selected {
+            background: #ff6b6b;
+            border-color: #ff6b6b;
+            color: #fff;
+        }
         .graph-panel {
             width: 50%;
             display: flex;
@@ -127,10 +157,15 @@
             border-radius: 6px;
             margin-bottom: 8px;
             cursor: pointer;
+            transition: all 0.2s;
         }
         .entity-item:hover {
             background: #222;
         }
+        .entity-item.selected {
+            background: #2a2a2a;
+            border-left: 3px solid #ff6b6b;
+        }
         .entity-type-badge {
             padding: 2px 8px;
             border-radius: 4px;
@@ -139,11 +174,11 @@
             margin-right: 12px;
             text-transform: uppercase;
         }
-        .type-project { background: #7b2cbf; }
-        .type-tech { background: #00d4ff; color: #000; }
-        .type-person { background: #ff6b6b; }
-        .type-org { background: #4ecdc4; color: #000; }
-        .type-other { background: #666; }
+        .type-PROJECT { background: #7b2cbf; }
+        .type-TECH { background: #00d4ff; color: #000; }
+        .type-PERSON { background: #ff6b6b; }
+        .type-ORG { background: #4ecdc4; color: #000; }
+        .type-OTHER { background: #666; }
         .upload-overlay {
             position: fixed;
             top: 0;
@@ -186,10 +221,158 @@
             font-size: 0.85rem;
             margin-top: 0;
         }
+        .btn-danger {
+            background: #ff6b6b;
+        }
+        .btn-secondary {
+            background: #333;
+        }
         .empty-state {
             text-align: center;
             padding: 60px 20px;
         }
+        /* Phase 2: Entity Editor Modal */
+        .modal-overlay {
+            position: fixed;
+            top: 0;
+            left: 0;
+            right: 0;
+            bottom: 0;
+            background: rgba(0,0,0,0.8);
+            display: none;
+            align-items: center;
+            justify-content: center;
+            z-index: 3000;
+        }
+        .modal-overlay.show {
+            display: flex;
+        }
+        .modal {
+            background: #1a1a1a;
+            border-radius: 12px;
+            padding: 24px;
+            width: 90%;
+            max-width: 500px;
+            max-height: 80vh;
+            overflow-y: auto;
+        }
+        .modal-header {
+            font-size: 1.2rem;
+            margin-bottom: 20px;
+            color: #fff;
+        }
+        .form-group {
+            margin-bottom: 16px;
+        }
+        .form-group label {
+            display: block;
+            margin-bottom: 6px;
+            color: #888;
+            font-size: 0.85rem;
+        }
+        .form-group input,
+        .form-group select,
+        .form-group textarea {
+            width: 100%;
+            padding: 10px 12px;
+            background: #0a0a0a;
+            border: 1px solid #333;
+            border-radius: 6px;
+            color: #e0e0e0;
+            font-size: 0.95rem;
+        }
+        .form-group input:focus,
+        .form-group select:focus,
+        .form-group textarea:focus {
+            outline: none;
+            border-color: #00d4ff;
+        }
+        .form-group textarea {
+            min-height: 80px;
+            resize: vertical;
+        }
+        .modal-actions {
+            display: flex;
+            gap: 10px;
+            justify-content: flex-end;
+            margin-top: 20px;
+        }
+        /* Phase 2: Context Menu */
+        .context-menu {
+            position: absolute;
+            background: #1a1a1a;
+            border: 1px solid #333;
+            border-radius: 6px;
+            padding: 6px 0;
+            z-index: 4000;
+            display: none;
+            min-width: 160px;
+        }
+        .context-menu.show {
+            display: block;
+        }
+        .context-menu-item {
+            padding: 8px 16px;
+            cursor: pointer;
+            font-size: 0.9rem;
+            color: #e0e0e0;
+        }
+        .context-menu-item:hover {
+            background: #2a2a2a;
+        }
+        .context-menu-divider {
+            height: 1px;
+            background: #333;
+            margin: 6px 0;
+        }
+        /* Phase 2: Relation Editor */
+        .relation-editor {
+            margin-top: 16px;
+            padding-top: 16px;
+            border-top: 1px solid #333;
+        }
+        .relation-item {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            padding: 8px;
+            background: #0a0a0a;
+            border-radius: 4px;
+            margin-bottom: 8px;
+            font-size: 0.85rem;
+        }
+        .relation-item button {
+            background: transparent;
+            border: none;
+            color: #ff6b6b;
+            cursor: pointer;
+            font-size: 0.8rem;
+        }
+        /* Phase 2: Selection toolbar */
+        .selection-toolbar {
+            position: fixed;
+            bottom: 20px;
+            left: 50%;
+            transform: translateX(-50%);
+            background: #1a1a1a;
+            border: 1px solid #333;
+            border-radius: 8px;
+            padding: 10px 20px;
+            display: none;
+            gap: 10px;
+            z-index: 3500;
+            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
+        }
+        .selection-toolbar.show {
+            display: flex;
+        }
+        /* Graph node styles */
+        .node-circle {
+            cursor: pointer;
+        }
+        .node-label {
+            pointer-events: none;
+        }
     </style>
 </head>
 <body>
@@ -205,7 +388,10 @@
         <div class="editor-panel">
             <div class="panel-header">
                 <span>📄 转录文本</span>
-                <span style="font-size:0.8rem;color:#666;">点击实体高亮</span>
+                <div class="panel-actions">
+                    <button class="btn-icon" onclick="toggleEditMode()" id="editBtn">✏️ 编辑</button>
+                    <button class="btn-icon" onclick="saveTranscript()" id="saveBtn" style="display:none;">💾 保存</button>
+                </div>
             </div>
             <div class="transcript-content" id="transcriptContent">
                 <div class="empty-state">
@@ -218,7 +404,7 @@
         <div class="graph-panel">
             <div class="panel-header">
                 <span>🔗 知识图谱</span>
-                <span style="font-size:0.8rem;color:#666;">拖拽节点查看关系</span>
+                <span style="font-size:0.8rem;color:#666;">右键节点编辑 | 拖拽建立关系</span>
             </div>
             <svg id="graph-svg"></svg>
             <div class="entity-list" id="entityList">
@@ -228,6 +414,7 @@
         </div>
     </div>
     
+    <!-- Upload Modal -->
     <div class="upload-overlay" id="uploadOverlay">
         <div class="upload-box">
             <h2 style="margin-bottom:10px;">上传音频分析</h2>
@@ -235,10 +422,113 @@
             <input type="file" id="fileInput" accept="audio/*" hidden>
             <button class="btn" onclick="document.getElementById('fileInput').click()">选择文件</button>
             <br><br>
-            <button class="btn" style="background:#333;" onclick="hideUpload()">取消</button>
+            <button class="btn btn-secondary" onclick="hideUpload()">取消</button>
         </div>
     </div>
     
+    <!-- Entity Editor Modal -->
+    <div class="modal-overlay" id="entityModal">
+        <div class="modal">
+            <h3 class="modal-header">编辑实体</h3>
+            <div class="form-group">
+                <label>实体名称</label>
+                <input type="text" id="entityName" placeholder="实体名称">
+            </div>
+            <div class="form-group">
+                <label>实体类型</label>
+                <select id="entityType">
+                    <option value="PROJECT">项目 (PROJECT)</option>
+                    <option value="TECH">技术 (TECH)</option>
+                    <option value="PERSON">人物 (PERSON)</option>
+                    <option value="ORG">组织 (ORG)</option>
+                    <option value="OTHER">其他 (OTHER)</option>
+                </select>
+            </div>
+            <div class="form-group">
+                <label>定义描述</label>
+                <textarea id="entityDefinition" placeholder="一句话描述这个实体..."></textarea>
+            </div>
+            <div class="form-group">
+                <label>别名 (用逗号分隔)</label>
+                <input type="text" id="entityAliases" placeholder="别名1, 别名2, 别名3">
+            </div>
+            <div class="relation-editor" id="relationEditor" style="display:none;">
+                <h4 style="color:#888;font-size:0.9rem;margin-bottom:12px;">实体关系</h4>
+                <div id="relationList"></div>
+                <button class="btn-icon" onclick="showAddRelation()" style="margin-top:8px;">+ 添加关系</button>
+            </div>
+            <div class="modal-actions">
+                <button class="btn btn-danger" onclick="deleteEntity()" id="deleteEntityBtn">删除</button>
+                <button class="btn btn-secondary" onclick="hideEntityModal()">取消</button>
+                <button class="btn" onclick="saveEntity()">保存</button>
+            </div>
+        </div>
+    </div>
+    
+    <!-- Add Relation Modal -->
+    <div class="modal-overlay" id="relationModal">
+        <div class="modal">
+            <h3 class="modal-header">添加关系</h3>
+            <div class="form-group">
+                <label>目标实体</label>
+                <select id="relationTarget"></select>
+            </div>
+            <div class="form-group">
+                <label>关系类型</label>
+                <select id="relationType">
+                    <option value="belongs_to">属于 (belongs_to)</option>
+                    <option value="works_with">合作 (works_with)</option>
+                    <option value="depends_on">依赖 (depends_on)</option>
+                    <option value="mentions">提及 (mentions)</option>
+                    <option value="related">相关 (related)</option>
+                </select>
+            </div>
+            <div class="form-group">
+                <label>关系证据/说明</label>
+                <textarea id="relationEvidence" placeholder="描述这个关系的依据..."></textarea>
+            </div>
+            <div class="modal-actions">
+                <button class="btn btn-secondary" onclick="hideRelationModal()">取消</button>
+                <button class="btn" onclick="saveRelation()">添加</button>
+            </div>
+        </div>
+    </div>
+    
+    <!-- Merge Entities Modal -->
+    <div class="modal-overlay" id="mergeModal">
+        <div class="modal">
+            <h3 class="modal-header">合并实体</h3>
+            <p style="color:#888;margin-bottom:16px;font-size:0.9rem;">将选中的实体合并到目标实体中</p>
+            <div class="form-group">
+                <label>源实体</label>
+                <input type="text" id="mergeSource" disabled>
+            </div>
+            <div class="form-group">
+                <label>目标实体 (保留)</label>
+                <select id="mergeTarget"></select>
+            </div>
+            <div class="modal-actions">
+                <button class="btn btn-secondary" onclick="hideMergeModal()">取消</button>
+                <button class="btn" onclick="confirmMerge()">合并</button>
+            </div>
+        </div>
+    </div>
+    
+    <!-- Context Menu -->
+    <div class="context-menu" id="contextMenu">
+        <div class="context-menu-item" onclick="editEntity()">✏️ 编辑实体</div>
+        <div class="context-menu-item" onclick="showMergeModal()">🔄 合并实体</div>
+        <div class="context-menu-divider"></div>
+        <div class="context-menu-item" onclick="createEntityFromSelection()">➕ 标记为实体</div>
+    </div>
+    
+    <!-- Selection Toolbar -->
+    <div class="selection-toolbar" id="selectionToolbar">
+        <span style="color:#888;font-size:0.85rem;">选中文本:</span>
+        <button class="btn-icon" onclick="createEntityFromSelection()">标记为实体</button>
+        <button class="btn-icon" onclick="hideSelectionToolbar()">取消</button>
+    </div>
+    
     <script src="app.js"></script>
 </body>
 </html>