feat: 实现模板片段匹配规则功能并修复数据库迁移问题

新功能:
- 为TrackSegment添加匹配规则字段，支持固定素材和AI分类两种规则
- 实现SegmentMatchingRuleEditor组件，支持在模板详情页面编辑片段匹配规则
- 添加update_segment_matching_rule和get_segment_matching_rule API接口
- 扩展前端类型定义和服务函数以支持匹配规则操作

 修复:
- 修复数据库迁移逻辑导致每次重启清空素材和轨道数据的问题
- 为模板表和轨道片段表迁移添加条件检查，只在必要时执行
- 修正matching_rule字段的默认值格式，匹配Rust枚举序列化格式
- 完善轨道片段表重建时的字段迁移逻辑

 技术改进:
- 数据库schema更新，添加matching_rule列到track_segments表
- 优化数据库迁移性能，避免不必要的表重建操作
- 增强错误处理和日志输出，便于问题排查

 文件变更:
- 后端: template_service.rs, template.rs, database.rs, template_commands.rs, lib.rs
- 前端: SegmentMatchingRuleEditor.tsx, TemplateDetailModal.tsx, templateStore.ts, template.ts

apps/desktop/src-tauri/src/business/services/template_service.rs

@@ -5,7 +5,7 @@ use rusqlite::{params, Row};
 use crate::data::models::template::{
     Template, TemplateMaterial, Track, TrackSegment, CanvasConfig,
     TemplateMaterialType, TrackType, ImportStatus, UploadStatus,
-    CreateTemplateRequest
+    CreateTemplateRequest, SegmentMatchingRule
 };
 use crate::infrastructure::database::Database;
 
@@ -144,11 +144,14 @@ impl TemplateService {
 
             // 保存轨道片段
             for segment in &track.segments {
+                let matching_rule_json = serde_json::to_string(&segment.matching_rule)
+                    .unwrap_or_else(|_| r#"{"FixedMaterial":{}}"#.to_string());
+
                 tx.execute(
                     "INSERT OR REPLACE INTO track_segments (
                         id, track_id, template_material_id, name, start_time, end_time,
-                        duration, segment_index, properties, created_at, updated_at
-                    ) VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11)",
+                        duration, segment_index, properties, matching_rule, created_at, updated_at
+                    ) VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12)",
                     params![
                         segment.id,
                         segment.track_id,
@@ -159,6 +162,7 @@ impl TemplateService {
                         segment.duration as i64,
                         segment.segment_index,
                         segment.properties,
+                        matching_rule_json,
                         segment.created_at.to_rfc3339(),
                         segment.updated_at.to_rfc3339()
                     ],
@@ -224,7 +228,7 @@ impl TemplateService {
             // 查询轨道片段
             let mut segment_stmt = conn.prepare(
                 "SELECT id, track_id, template_material_id, name, start_time, end_time,
-                        duration, segment_index, properties, created_at, updated_at
+                        duration, segment_index, properties, matching_rule, created_at, updated_at
                  FROM track_segments WHERE track_id = ?1 ORDER BY segment_index"
             )?;
 
@@ -535,6 +539,11 @@ impl TemplateService {
 
     /// 数据库行转换为轨道片段
     fn row_to_track_segment(&self, row: &Row) -> rusqlite::Result<TrackSegment> {
+        // 解析匹配规则，如果解析失败则使用默认值
+        let matching_rule = row.get::<_, Option<String>>("matching_rule")?
+            .and_then(|rule_str| serde_json::from_str(&rule_str).ok())
+            .unwrap_or_default();
+
         Ok(TrackSegment {
             id: row.get("id")?,
             track_id: row.get("track_id")?,
@@ -545,6 +554,7 @@ impl TemplateService {
             duration: row.get::<_, i64>("duration")? as u64,
             segment_index: row.get::<_, i64>("segment_index")? as u32,
             properties: row.get("properties")?,
+            matching_rule,
             created_at: chrono::DateTime::parse_from_rfc3339(&row.get::<_, String>("created_at")?)
                 .unwrap()
                 .with_timezone(&chrono::Utc),
@@ -588,7 +598,7 @@ impl TemplateService {
             // 查询每个轨道的真实片段数据
             let mut segment_stmt = conn.prepare(
                 "SELECT id, track_id, template_material_id, name, start_time, end_time,
-                        duration, segment_index, properties, created_at, updated_at
+                        duration, segment_index, properties, matching_rule, created_at, updated_at
                  FROM track_segments WHERE track_id = ?1 ORDER BY segment_index"
             )?;
 
@@ -605,4 +615,54 @@ impl TemplateService {
 
         Ok(())
     }
+
+    /// 更新轨道片段的匹配规则
+    pub async fn update_segment_matching_rule(
+        &self,
+        segment_id: &str,
+        matching_rule: SegmentMatchingRule,
+    ) -> Result<()> {
+        let conn = self.database.get_connection();
+        let conn = conn.lock().unwrap();
+
+        let matching_rule_json = serde_json::to_string(&matching_rule)
+            .map_err(|e| anyhow!("Failed to serialize matching rule: {}", e))?;
+
+        let updated_rows = conn.execute(
+            "UPDATE track_segments SET matching_rule = ?1, updated_at = ?2 WHERE id = ?3",
+            params![
+                matching_rule_json,
+                chrono::Utc::now().to_rfc3339(),
+                segment_id
+            ],
+        )?;
+
+        if updated_rows == 0 {
+            return Err(anyhow!("Track segment not found: {}", segment_id));
+        }
+
+        Ok(())
+    }
+
+    /// 获取轨道片段的匹配规则
+    pub async fn get_segment_matching_rule(&self, segment_id: &str) -> Result<SegmentMatchingRule> {
+        let conn = self.database.get_connection();
+        let conn = conn.lock().unwrap();
+
+        let matching_rule_json: Option<String> = match conn.query_row(
+            "SELECT matching_rule FROM track_segments WHERE id = ?1",
+            params![segment_id],
+            |row| row.get(0),
+        ) {
+            Ok(value) => Some(value),
+            Err(rusqlite::Error::QueryReturnedNoRows) => None,
+            Err(e) => return Err(anyhow!("Database error: {}", e)),
+        };
+
+        let matching_rule = matching_rule_json
+            .and_then(|rule_str| serde_json::from_str(&rule_str).ok())
+            .unwrap_or_default();
+
+        Ok(matching_rule)
+    }
 }

apps/desktop/src-tauri/src/data/models/template.rs

@@ -63,6 +63,41 @@ pub struct Track {
     pub updated_at: DateTime<Utc>,
 }
 
+/// 片段匹配规则类型
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub enum SegmentMatchingRule {
+    /// 固定素材（默认）- 不替换
+    FixedMaterial,
+    /// AI分类素材 - 使用指定AI分类的素材
+    AiClassification { category_id: String, category_name: String },
+}
+
+impl Default for SegmentMatchingRule {
+    fn default() -> Self {
+        Self::FixedMaterial
+    }
+}
+
+impl SegmentMatchingRule {
+    /// 获取规则的显示名称
+    pub fn display_name(&self) -> String {
+        match self {
+            Self::FixedMaterial => "固定素材".to_string(),
+            Self::AiClassification { category_name, .. } => format!("AI分类: {}", category_name),
+        }
+    }
+
+    /// 检查是否为固定素材
+    pub fn is_fixed_material(&self) -> bool {
+        matches!(self, Self::FixedMaterial)
+    }
+
+    /// 检查是否为AI分类
+    pub fn is_ai_classification(&self) -> bool {
+        matches!(self, Self::AiClassification { .. })
+    }
+}
+
 /// 轨道片段
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct TrackSegment {
@@ -75,6 +110,7 @@ pub struct TrackSegment {
     pub duration: u64,   // 片段时长（微秒）
     pub segment_index: u32, // 片段在轨道中的索引
     pub properties: Option<String>, // JSON格式的片段属性（如变换、效果等）
+    pub matching_rule: SegmentMatchingRule, // 片段匹配规则
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 }
@@ -353,6 +389,7 @@ impl TrackSegment {
             duration: end_time - start_time,
             segment_index,
             properties: None,
+            matching_rule: SegmentMatchingRule::default(), // 默认为固定素材
             created_at: now,
             updated_at: now,
         }
@@ -362,4 +399,15 @@ impl TrackSegment {
     pub fn associate_material(&mut self, material_id: String) {
         self.template_material_id = Some(material_id);
     }
+
+    /// 设置匹配规则
+    pub fn set_matching_rule(&mut self, rule: SegmentMatchingRule) {
+        self.matching_rule = rule;
+        self.updated_at = Utc::now();
+    }
+
+    /// 获取匹配规则的显示名称
+    pub fn get_matching_rule_display(&self) -> String {
+        self.matching_rule.display_name()
+    }
 }

apps/desktop/src-tauri/src/infrastructure/database.rs

@@ -331,6 +331,7 @@ impl Database {
                 duration INTEGER NOT NULL,
                 segment_index INTEGER NOT NULL,
                 properties TEXT,
+                matching_rule TEXT DEFAULT '\"FixedMaterial\"',
                 created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
                 updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
                 FOREIGN KEY (track_id) REFERENCES tracks (id) ON DELETE CASCADE,
@@ -399,75 +400,109 @@ impl Database {
             [],
         );
 
-        // 移除模板表的 project_id 字段（如果存在）
-        // SQLite 不支持 DROP COLUMN，需要重建表
-        let _ = conn.execute(
-            "CREATE TABLE IF NOT EXISTS templates_new (
-                id TEXT PRIMARY KEY,
-                name TEXT NOT NULL,
-                description TEXT,
-                canvas_width INTEGER NOT NULL,
-                canvas_height INTEGER NOT NULL,
-                canvas_ratio TEXT NOT NULL,
-                duration INTEGER NOT NULL,
-                fps REAL NOT NULL,
-                import_status TEXT NOT NULL DEFAULT 'Pending',
-                source_file_path TEXT,
-                created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-                updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-                is_active BOOLEAN DEFAULT 1
-            )",
-            [],
-        );
+        // 检查是否需要移除模板表的 project_id 字段
+        // 只有在表中存在 project_id 字段时才需要重建表
+        let has_project_id_column = conn.prepare("SELECT project_id FROM templates LIMIT 1").is_ok();
 
-        // 迁移数据（排除 project_id）
-        let _ = conn.execute(
-            "INSERT OR IGNORE INTO templates_new
-             SELECT id, name, description, canvas_width, canvas_height, canvas_ratio,
-                    duration, fps, import_status, source_file_path, created_at, updated_at, is_active
-             FROM templates",
-            [],
-        );
+        if has_project_id_column {
+            println!("Migrating templates table to remove project_id column...");
 
-        // 删除旧表并重命名新表
-        let _ = conn.execute("DROP TABLE IF EXISTS templates_old", []);
-        let _ = conn.execute("ALTER TABLE templates RENAME TO templates_old", []);
-        let _ = conn.execute("ALTER TABLE templates_new RENAME TO templates", []);
+            // SQLite 不支持 DROP COLUMN，需要重建表
+            let _ = conn.execute(
+                "CREATE TABLE IF NOT EXISTS templates_new (
+                    id TEXT PRIMARY KEY,
+                    name TEXT NOT NULL,
+                    description TEXT,
+                    canvas_width INTEGER NOT NULL,
+                    canvas_height INTEGER NOT NULL,
+                    canvas_ratio TEXT NOT NULL,
+                    duration INTEGER NOT NULL,
+                    fps REAL NOT NULL,
+                    import_status TEXT NOT NULL DEFAULT 'Pending',
+                    source_file_path TEXT,
+                    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    is_active BOOLEAN DEFAULT 1
+                )",
+                [],
+            );
 
-        // 修复轨道片段表的外键约束问题
-        // 重建 track_segments 表，恢复正确的 template_material_id 外键约束
-        let _ = conn.execute(
-            "CREATE TABLE IF NOT EXISTS track_segments_new (
-                id TEXT PRIMARY KEY,
-                track_id TEXT NOT NULL,
-                template_material_id TEXT,
-                name TEXT NOT NULL,
-                start_time INTEGER NOT NULL,
-                end_time INTEGER NOT NULL,
-                duration INTEGER NOT NULL,
-                segment_index INTEGER NOT NULL,
-                properties TEXT,
-                created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-                updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-                FOREIGN KEY (track_id) REFERENCES tracks (id) ON DELETE CASCADE,
-                FOREIGN KEY (template_material_id) REFERENCES template_materials (id) ON DELETE SET NULL
-            )",
-            [],
-        );
+            // 迁移数据（排除 project_id）
+            let _ = conn.execute(
+                "INSERT OR IGNORE INTO templates_new
+                 SELECT id, name, description, canvas_width, canvas_height, canvas_ratio,
+                        duration, fps, import_status, source_file_path, created_at, updated_at, is_active
+                 FROM templates",
+                [],
+            );
 
-        // 迁移轨道片段数据
-        let _ = conn.execute(
-            "INSERT OR IGNORE INTO track_segments_new
-             SELECT id, track_id, template_material_id, name, start_time, end_time,
-                    duration, segment_index, properties, created_at, updated_at
-             FROM track_segments",
-            [],
-        );
+            // 删除旧表并重命名新表
+            let _ = conn.execute("DROP TABLE IF EXISTS templates_old", []);
+            let _ = conn.execute("ALTER TABLE templates RENAME TO templates_old", []);
+            let _ = conn.execute("ALTER TABLE templates_new RENAME TO templates", []);
 
-        // 删除旧表并重命名新表
-        let _ = conn.execute("DROP TABLE IF EXISTS track_segments_old", []);
-        let _ = conn.execute("ALTER TABLE track_segments RENAME TO track_segments_old", []);
-        let _ = conn.execute("ALTER TABLE track_segments_new RENAME TO track_segments", []);
+            println!("Templates table migration completed");
+        }
+
+        // 检查是否需要修复轨道片段表的外键约束问题
+        // 只有在表结构需要更新时才重建表
+        let needs_track_segments_migration = conn.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='track_segments_old'").is_err();
+
+        if needs_track_segments_migration {
+            println!("Migrating track_segments table structure...");
+
+            // 重建 track_segments 表，恢复正确的 template_material_id 外键约束
+            let _ = conn.execute(
+                "CREATE TABLE IF NOT EXISTS track_segments_new (
+                    id TEXT PRIMARY KEY,
+                    track_id TEXT NOT NULL,
+                    template_material_id TEXT,
+                    name TEXT NOT NULL,
+                    start_time INTEGER NOT NULL,
+                    end_time INTEGER NOT NULL,
+                    duration INTEGER NOT NULL,
+                    segment_index INTEGER NOT NULL,
+                    properties TEXT,
+                    matching_rule TEXT DEFAULT '\"FixedMaterial\"',
+                    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    FOREIGN KEY (track_id) REFERENCES tracks (id) ON DELETE CASCADE,
+                    FOREIGN KEY (template_material_id) REFERENCES template_materials (id) ON DELETE SET NULL
+                )",
+                [],
+            );
+
+            // 迁移轨道片段数据
+            // 首先检查旧表是否有 matching_rule 字段
+            let has_matching_rule = conn.prepare("SELECT matching_rule FROM track_segments LIMIT 1").is_ok();
+
+            if has_matching_rule {
+                // 如果有 matching_rule 字段，包含它在迁移中
+                let _ = conn.execute(
+                    "INSERT OR IGNORE INTO track_segments_new
+                     SELECT id, track_id, template_material_id, name, start_time, end_time,
+                            duration, segment_index, properties, matching_rule, created_at, updated_at
+                     FROM track_segments",
+                    [],
+                );
+            } else {
+                // 如果没有 matching_rule 字段，使用默认值
+                let _ = conn.execute(
+                    "INSERT OR IGNORE INTO track_segments_new
+                     SELECT id, track_id, template_material_id, name, start_time, end_time,
+                            duration, segment_index, properties, '\"FixedMaterial\"', created_at, updated_at
+                     FROM track_segments",
+                    [],
+                );
+            }
+
+            // 删除旧表并重命名新表
+            let _ = conn.execute("DROP TABLE IF EXISTS track_segments_old", []);
+            let _ = conn.execute("ALTER TABLE track_segments RENAME TO track_segments_old", []);
+            let _ = conn.execute("ALTER TABLE track_segments_new RENAME TO track_segments", []);
+
+            println!("Track segments table migration completed");
+        }
 
         // 创建模板素材表索引
         conn.execute(
@@ -795,6 +830,17 @@ impl Database {
             println!("Added model_id column and index to materials table");
         }
 
+        // 添加片段匹配规则字段到轨道片段表
+        let has_matching_rule_column = conn.prepare("SELECT matching_rule FROM track_segments LIMIT 1").is_ok();
+        if !has_matching_rule_column {
+            println!("Adding matching_rule column to track_segments table");
+            conn.execute(
+                "ALTER TABLE track_segments ADD COLUMN matching_rule TEXT DEFAULT '\"FixedMaterial\"'",
+                [],
+            )?;
+            println!("Added matching_rule column to track_segments table");
+        }
+
         // 暂时禁用自动清理，避免启动时卡住
         // self.cleanup_invalid_projects()?;
 

apps/desktop/src-tauri/src/lib.rs

@@ -155,6 +155,8 @@ pub fn run() {
             commands::template_commands::warm_template_cache,
             commands::template_commands::cleanup_template_performance_data,
             commands::template_commands::import_template_optimized,
+            commands::template_commands::update_segment_matching_rule,
+            commands::template_commands::get_segment_matching_rule,
             // 测试命令
             commands::test_commands::test_database_connection,
             commands::test_commands::test_template_table,

apps/desktop/src-tauri/src/presentation/commands/template_commands.rs

@@ -4,7 +4,7 @@ use anyhow::Result;
 
 use crate::data::models::template::{
     Template, ImportTemplateRequest, BatchImportRequest, ImportProgress,
-    CreateTemplateRequest
+    CreateTemplateRequest, SegmentMatchingRule
 };
 use crate::business::services::template_service::{TemplateService, TemplateQueryOptions, TemplateListResponse};
 use crate::business::services::template_import_service::TemplateImportService;
@@ -338,4 +338,29 @@ pub async fn import_template_optimized(
         .map_err(|e| e.to_string())
 }
 
+/// 更新轨道片段的匹配规则
+#[tauri::command]
+pub async fn update_segment_matching_rule(
+    segment_id: String,
+    matching_rule: SegmentMatchingRule,
+    database: State<'_, Arc<Database>>,
+) -> Result<(), String> {
+    let service = TemplateService::new(database.inner().clone());
 
+    service.update_segment_matching_rule(&segment_id, matching_rule)
+        .await
+        .map_err(|e| e.to_string())
+}
+
+/// 获取轨道片段的匹配规则
+#[tauri::command]
+pub async fn get_segment_matching_rule(
+    segment_id: String,
+    database: State<'_, Arc<Database>>,
+) -> Result<SegmentMatchingRule, String> {
+    let service = TemplateService::new(database.inner().clone());
+
+    service.get_segment_matching_rule(&segment_id)
+        .await
+        .map_err(|e| e.to_string())
+}

apps/desktop/src/components/template/SegmentMatchingRuleEditor.tsx

@@ -0,0 +1,213 @@
+import React, { useState, useEffect } from 'react';
+import { PencilIcon, CheckIcon, XMarkIcon } from '@heroicons/react/24/outline';
+import { SegmentMatchingRule, SegmentMatchingRuleHelper } from '../../types/template';
+import { AiClassification } from '../../types/aiClassification';
+import { useTemplateStore } from '../../stores/templateStore';
+import { CustomSelect } from '../CustomSelect';
+import { AiClassificationService } from '../../services/aiClassificationService';
+
+interface SegmentMatchingRuleEditorProps {
+  segmentId: string;
+  currentRule: SegmentMatchingRule;
+  onRuleUpdated?: (newRule: SegmentMatchingRule) => void;
+}
+
+/**
+ * 片段匹配规则编辑器组件
+ * 遵循前端开发规范的组件设计，支持固定素材和AI分类规则的设置
+ */
+export const SegmentMatchingRuleEditor: React.FC<SegmentMatchingRuleEditorProps> = ({
+  segmentId,
+  currentRule,
+  onRuleUpdated,
+}) => {
+  const [isEditing, setIsEditing] = useState(false);
+  const [editingRule, setEditingRule] = useState<SegmentMatchingRule>(currentRule);
+  const [aiClassifications, setAiClassifications] = useState<AiClassification[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const { updateSegmentMatchingRule } = useTemplateStore();
+
+  // 加载AI分类列表
+  useEffect(() => {
+    const loadClassifications = async () => {
+      try {
+        const classifications = await AiClassificationService.getActiveClassifications();
+        setAiClassifications(classifications);
+      } catch (error) {
+        console.error('加载AI分类失败:', error);
+      }
+    };
+
+    if (isEditing) {
+      loadClassifications();
+    }
+  }, [isEditing]);
+
+  // 重置编辑状态
+  useEffect(() => {
+    setEditingRule(currentRule);
+    setError(null);
+  }, [currentRule, isEditing]);
+
+  const handleStartEdit = () => {
+    setIsEditing(true);
+    setEditingRule(currentRule);
+    setError(null);
+  };
+
+  const handleCancelEdit = () => {
+    setIsEditing(false);
+    setEditingRule(currentRule);
+    setError(null);
+  };
+
+  const handleSaveRule = async () => {
+    try {
+      setLoading(true);
+      setError(null);
+
+      await updateSegmentMatchingRule(segmentId, editingRule);
+      
+      setIsEditing(false);
+      onRuleUpdated?.(editingRule);
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '保存匹配规则失败';
+      setError(errorMessage);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleRuleTypeChange = (ruleType: string) => {
+    if (ruleType === 'fixed') {
+      setEditingRule(SegmentMatchingRuleHelper.createFixedMaterial());
+    } else if (ruleType === 'ai_classification') {
+      // 如果有可用的AI分类，选择第一个作为默认值
+      if (aiClassifications.length > 0) {
+        const firstClassification = aiClassifications[0];
+        setEditingRule(SegmentMatchingRuleHelper.createAiClassification(
+          firstClassification.id,
+          firstClassification.name
+        ));
+      }
+    }
+  };
+
+  const handleAiClassificationChange = (classificationId: string) => {
+    const classification = aiClassifications.find(c => c.id === classificationId);
+    if (classification) {
+      setEditingRule(SegmentMatchingRuleHelper.createAiClassification(
+        classification.id,
+        classification.name
+      ));
+    }
+  };
+
+  const getCurrentRuleType = (rule: SegmentMatchingRule): string => {
+    return SegmentMatchingRuleHelper.isFixedMaterial(rule) ? 'fixed' : 'ai_classification';
+  };
+
+  const ruleTypeOptions = [
+    { value: 'fixed', label: '固定素材' },
+    { value: 'ai_classification', label: 'AI分类素材' },
+  ];
+
+  const classificationOptions = aiClassifications.map(classification => ({
+    value: classification.id,
+    label: classification.name,
+  }));
+
+  if (!isEditing) {
+    return (
+      <div className="flex items-center justify-between">
+        <div className="flex items-center space-x-2">
+          <span className="text-xs font-medium text-gray-700">匹配规则:</span>
+          <span className={`px-2 py-1 rounded text-xs ${
+            SegmentMatchingRuleHelper.isFixedMaterial(currentRule)
+              ? 'bg-gray-100 text-gray-800'
+              : 'bg-blue-100 text-blue-800'
+          }`}>
+            {SegmentMatchingRuleHelper.getDisplayName(currentRule)}
+          </span>
+        </div>
+        <button
+          onClick={handleStartEdit}
+          className="p-1 text-gray-400 hover:text-gray-600 transition-colors"
+          title="编辑匹配规则"
+        >
+          <PencilIcon className="w-4 h-4" />
+        </button>
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-3">
+      <div className="flex items-center justify-between">
+        <span className="text-xs font-medium text-gray-700">编辑匹配规则:</span>
+        <div className="flex items-center space-x-1">
+          <button
+            onClick={handleSaveRule}
+            disabled={loading}
+            className="p-1 text-green-600 hover:text-green-800 disabled:opacity-50 transition-colors"
+            title="保存"
+          >
+            <CheckIcon className="w-4 h-4" />
+          </button>
+          <button
+            onClick={handleCancelEdit}
+            disabled={loading}
+            className="p-1 text-gray-400 hover:text-gray-600 disabled:opacity-50 transition-colors"
+            title="取消"
+          >
+            <XMarkIcon className="w-4 h-4" />
+          </button>
+        </div>
+      </div>
+
+      <div className="space-y-2">
+        <div>
+          <label className="block text-xs font-medium text-gray-700 mb-1">
+            规则类型
+          </label>
+          <CustomSelect
+            value={getCurrentRuleType(editingRule)}
+            onChange={handleRuleTypeChange}
+            options={ruleTypeOptions}
+            placeholder="选择规则类型"
+            className="text-xs"
+          />
+        </div>
+
+        {SegmentMatchingRuleHelper.isAiClassification(editingRule) && (
+          <div>
+            <label className="block text-xs font-medium text-gray-700 mb-1">
+              AI分类
+            </label>
+            <CustomSelect
+              value={SegmentMatchingRuleHelper.getAiClassificationInfo(editingRule)?.category_id || ''}
+              onChange={handleAiClassificationChange}
+              options={classificationOptions}
+              placeholder="选择AI分类"
+              className="text-xs"
+            />
+          </div>
+        )}
+      </div>
+
+      {error && (
+        <div className="text-xs text-red-600 bg-red-50 p-2 rounded">
+          {error}
+        </div>
+      )}
+
+      {loading && (
+        <div className="text-xs text-blue-600 bg-blue-50 p-2 rounded">
+          正在保存...
+        </div>
+      )}
+    </div>
+  );
+};

apps/desktop/src/components/template/TemplateDetailModal.tsx

@@ -1,6 +1,7 @@
 import React, { useState } from 'react';
 import { X, Calendar, Clock, Monitor, Layers, FileText, Image, Video, Music, Type, Sparkles, CheckCircle, XCircle, AlertCircle, Upload, Cloud } from 'lucide-react';
 import { Template, TemplateMaterial, TemplateMaterialType, TrackType } from '../../types/template';
+import { SegmentMatchingRuleEditor } from './SegmentMatchingRuleEditor';
 
 interface TemplateDetailModalProps {
   template: Template;
@@ -539,6 +540,18 @@ export const TemplateDetailModal: React.FC<TemplateDetailModalProps> = ({
                                   </div>
                                 )}
 
+                                {/* 匹配规则编辑器 */}
+                                <div className="bg-yellow-50 p-2 rounded mt-1">
+                                  <SegmentMatchingRuleEditor
+                                    segmentId={segment.id}
+                                    currentRule={segment.matching_rule}
+                                    onRuleUpdated={(newRule) => {
+                                      // 可以在这里添加更新后的回调逻辑
+                                      console.log('片段匹配规则已更新:', segment.id, newRule);
+                                    }}
+                                  />
+                                </div>
+
                                 {segment.template_material_id && (
                                   <div>
                                     使用素材ID: <span className="font-mono text-blue-600">{segment.template_material_id}</span>

apps/desktop/src/stores/templateStore.ts

@@ -7,7 +7,8 @@ import {
   ImportTemplateRequest,
   BatchImportRequest,
   ImportProgress,
-  ImportStatus
+  ImportStatus,
+  SegmentMatchingRule
 } from '../types/template';
 
 interface TemplateQueryParams {
@@ -33,6 +34,8 @@ interface TemplateStore {
   deleteTemplate: (id: string) => Promise<void>;
   updateTemplate: (template: Template) => Promise<void>;
   getImportProgress: (templateId: string) => Promise<ImportProgress | null>;
+  updateSegmentMatchingRule: (segmentId: string, matchingRule: SegmentMatchingRule) => Promise<void>;
+  getSegmentMatchingRule: (segmentId: string) => Promise<SegmentMatchingRule>;
   clearError: () => void;
   setCurrentTemplate: (template: Template | null) => void;
 }
@@ -172,6 +175,42 @@ export const useTemplateStore = create<TemplateStore>((set, get) => ({
     set({ error: null });
   },
 
+  updateSegmentMatchingRule: async (segmentId: string, matchingRule: SegmentMatchingRule) => {
+    set({ error: null });
+
+    try {
+      await invoke('update_segment_matching_rule', {
+        segmentId,
+        matchingRule
+      });
+
+      // 如果当前有模板详情，刷新模板数据
+      const currentTemplate = get().currentTemplate;
+      if (currentTemplate) {
+        await get().getTemplateById(currentTemplate.id);
+      }
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '更新片段匹配规则失败';
+      set({ error: errorMessage });
+      throw error;
+    }
+  },
+
+  getSegmentMatchingRule: async (segmentId: string) => {
+    set({ error: null });
+
+    try {
+      const matchingRule: SegmentMatchingRule = await invoke('get_segment_matching_rule', {
+        segmentId
+      });
+      return matchingRule;
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '获取片段匹配规则失败';
+      set({ error: errorMessage });
+      throw error;
+    }
+  },
+
   setCurrentTemplate: (template: Template | null) => {
     set({ currentTemplate: template });
   },

apps/desktop/src/types/template.ts

@@ -52,6 +52,69 @@ export interface Track {
   updated_at: string;
 }
 
+/**
+ * 片段匹配规则类型
+ * 匹配Rust enum的序列化格式
+ */
+export type SegmentMatchingRule =
+  | "FixedMaterial"
+  | { AiClassification: { category_id: string; category_name: string } };
+
+/**
+ * 片段匹配规则辅助函数
+ */
+export const SegmentMatchingRuleHelper = {
+  /**
+   * 创建固定素材规则
+   */
+  createFixedMaterial(): SegmentMatchingRule {
+    return "FixedMaterial";
+  },
+
+  /**
+   * 创建AI分类规则
+   */
+  createAiClassification(categoryId: string, categoryName: string): SegmentMatchingRule {
+    return { AiClassification: { category_id: categoryId, category_name: categoryName } };
+  },
+
+  /**
+   * 获取规则的显示名称
+   */
+  getDisplayName(rule: SegmentMatchingRule): string {
+    if (rule === "FixedMaterial") {
+      return '固定素材';
+    } else if (typeof rule === 'object' && 'AiClassification' in rule) {
+      return `AI分类: ${rule.AiClassification.category_name}`;
+    }
+    return '未知规则';
+  },
+
+  /**
+   * 检查是否为固定素材
+   */
+  isFixedMaterial(rule: SegmentMatchingRule): boolean {
+    return rule === "FixedMaterial";
+  },
+
+  /**
+   * 检查是否为AI分类
+   */
+  isAiClassification(rule: SegmentMatchingRule): boolean {
+    return typeof rule === 'object' && 'AiClassification' in rule;
+  },
+
+  /**
+   * 获取AI分类信息
+   */
+  getAiClassificationInfo(rule: SegmentMatchingRule): { category_id: string; category_name: string } | null {
+    if (typeof rule === 'object' && 'AiClassification' in rule) {
+      return rule.AiClassification;
+    }
+    return null;
+  }
+};
+
 export interface TrackSegment {
   id: string;
   track_id: string;
@@ -62,6 +125,7 @@ export interface TrackSegment {
   duration: number;   // 片段时长（微秒）
   segment_index: number; // 片段在轨道中的索引
   properties?: string; // JSON格式的片段属性
+  matching_rule: SegmentMatchingRule; // 片段匹配规则
   created_at: string;
   updated_at: string;
 }