Segment based seat assignement added

apps/edr-passenger-api/src/modules/seats/seats.controller.ts

@@ -26,6 +26,34 @@ Shows seat status: AVAILABLE, BOOKED, HELD, BLOCKED`
   getSeatMap(@Param('scheduleId') scheduleId: string, @Query('coachId') coachId?: string) { return this.service.getSeatMap(scheduleId, coachId); }
 
   // ── Hold / Release ────────────────────────────────────────────────────────
+  @Get('holds')
+  @UseGuards(JwtGuard) @ApiBearerAuth('JWT-auth')
+  @ApiOperation({
+    summary: 'List active seat holds with full leg context',
+    description: `Returns all non-expired holds enriched with:
+- **schedule**: train number, departure/arrival, full route origin→destination
+- **leg**: the specific origin→destination this hold covers (station name, code, stop sequence)
+- **seats**: seat label, coach, seat class, row, col
+- **ttlSeconds**: seconds remaining before the hold expires
+
+This makes it clear which segment of the route each seat is held for, enabling segment-based reuse of the same seat on non-overlapping legs.`,
+  })
+  @ApiQuery({ name: 'scheduleId', required: false, description: 'Filter by TrainSchedule UUID' })
+  @ApiQuery({ name: 'passengerId', required: false, description: 'Filter by Passenger UUID' })
+  @ApiResponse({ status: 200, description: 'Active holds with schedule, leg, and seat details' })
+  getHolds(
+    @Query('scheduleId') scheduleId?: string,
+    @Query('passengerId') passengerId?: string,
+  ) { return this.service.getHolds(scheduleId, passengerId); }
+
+  @Get('holds/:holdId')
+  @UseGuards(JwtGuard) @ApiBearerAuth('JWT-auth')
+  @ApiOperation({ summary: 'Get a single hold with full leg context' })
+  @ApiParam({ name: 'holdId', description: 'SeatHold UUID' })
+  @ApiResponse({ status: 200, description: 'Hold with schedule, leg, and seat details' })
+  @ApiResponse({ status: 404, description: 'Hold not found' })
+  getHold(@Param('holdId') holdId: string) { return this.service.getHold(holdId); }
+
   @Post('hold')
   @UseGuards(JwtGuard) @ApiBearerAuth('JWT-auth')
   @ApiOperation({