fix: lưu ghi chú ở địa điểm vào ghi chú

backend/src/main.ts

@@ -789,29 +789,14 @@ class TourController {
       }
     });
 
-    // Auto-create default note template for new tour
-    const noteContent = `<h2>${filteredTitle} - Initial Planning</h2>
-<p><strong>Start Date:</strong> ${startDate ? new Date(startDate).toLocaleDateString() : 'TBD'}</p>
-<p><strong>End Date:</strong> ${endDate ? new Date(endDate).toLocaleDateString() : 'TBD'}</p>
-<p><strong>Adult Participants:</strong> ${adultCount || 1}</p>
-<p><strong>Child Participants:</strong> ${childCount || 0}</p>
-<h3>Key Items to Plan:</h3>
-<ul>
-<li>Accommodations</li>
-<li>Transportation</li>
-<li>Activities & Attractions</li>
-<li>Budget & Expenses</li>
-<li>Important Contact Numbers</li>
-<li>Special Requirements & Notes</li>
-</ul>
-<p><em>Add your planning notes here...</em></p>`;
+    const noteContent = `<h1>${filteredTitle}</h1><h2>Ghi chú chung</h2><p><em>Nội dung ghi chú tổng quan của chuyến đi...</em></p>`;
 
     try {
       await this.prisma.tourNote.create({
         data: {
           tourId: tour.id,
           userId: req.user.id,
-          title: `[${filteredTitle}] - Initial Planning`,
+          title: `Ghi chú: ${filteredTitle}`,
           content: noteContent
         }
       });
@@ -4110,6 +4095,55 @@ class TourNoteController {
     });
     return { success: true };
   }
+
+  @Roles(ParticipantRole.OWNER, ParticipantRole.MANAGER, ParticipantRole.MEMBER, ParticipantRole.MEMBER_NO_FINANCE)
+  @Post('insert')
+  async insertSection(
+    @Param('tourId') tourId: string,
+    @Body() body: { legId: string; noteSnippet: string },
+    @Req() req: any
+  ) {
+    const tour = await this.prisma.tour.findUnique({ where: { id: tourId } });
+    if (!tour) throw new NotFoundException('Không tìm thấy tour');
+
+    const masterNote = await this.prisma.tourNote.findFirst({
+      where: { tourId, title: `Ghi chú: ${tour.title}`, isDeleted: false, userId: req.user.id }
+    });
+
+    let note = masterNote;
+    if (!note) {
+      note = await this.prisma.tourNote.create({
+        data: {
+          tourId,
+          userId: req.user.id,
+          title: `Ghi chú: ${tour.title}`,
+          content: `# ${tour.title}\n\n## Ghi chú chung\n\n*(Nội dung ghi chú tổng quan của chuyến đi...)*\n\n`
+        }
+      });
+    }
+
+    const leg = await this.prisma.leg.findUnique({ where: { id: body.legId } });
+    const stageHeader = leg ? `<h2>Ghi chú: ${leg.note || `Chặng ${leg.sequence}`}</h2>` : '<h2>Ghi chú:</h2>';
+
+    let content = note.content;
+    const stageIndex = content.indexOf(stageHeader);
+
+    if (stageIndex === -1) {
+      content += `<br><br>${stageHeader}${body.noteSnippet}`;
+    } else {
+      const nextHeaderIndex = content.indexOf('<h2>', stageIndex + stageHeader.length);
+      if (nextHeaderIndex !== -1) {
+        content = content.slice(0, nextHeaderIndex) + body.noteSnippet + content.slice(nextHeaderIndex);
+      } else {
+        content += body.noteSnippet;
+      }
+    }
+
+    return this.prisma.tourNote.update({
+      where: { id: note.id },
+      data: { content }
+    });
+  }
 }
 
 @Controller('admin/notes')