feat: ESPI 4.0 Schema Compliance - Phase 12: ElectricPowerQualitySummary (#79)

Aligned ElectricPowerQualitySummaryEntity field order with ESPI 4.0 XSD schema
specification (espi.xsd). Moved summaryInterval field to correct position
between shortInterruptions and supplyVoltageDips to match schema sequence.

Changes:
- ElectricPowerQualitySummaryEntity: Reordered summaryInterval field to match
  XSD element sequence (lines 121-139)
- V3__Create_additiional_Base_Tables.sql: Updated table column order to match
  XSD schema (summary_interval columns now between short_interruptions and
  supply_voltage_dips)

Validation:
- ElectricPowerQualitySummaryDto already compliant with XSD propOrder
- ElectricPowerQualitySummaryMapper uses default MapStruct field mapping
- All repository queries preserved for test usage
- All 533 tests passing (unit + integration with H2, MySQL, PostgreSQL)

Schema Element Order (ESPI 4.0 espi.xsd):
1. flickerPlt
2. flickerPst
3. harmonicVoltage
4. longInterruptions
5. mainsVoltage
6. measurementProtocol
7. powerFrequency
8. rapidVoltageChanges
9. shortInterruptions
10. summaryInterval (DateTimeInterval - REQUIRED)
11. supplyVoltageDips
12. supplyVoltageImbalance
13. supplyVoltageVariations
14. tempOvervoltage

References:
- ESPI 4.0 XSD: espi.xsd ElectricPowerQualitySummary complexType
- Phase plan: Issue #28 Phase 12
- Related: Phase 11 (UsageSummary)

Co-authored-by: Claude Sonnet 4.5 <[email protected]>

Author: dfcoffin

openespi-common/src/main/java/org/greenbuttonalliance/espi/common/domain/usage/ElectricPowerQualitySummaryEntity.java

@@ -113,6 +113,17 @@ public class ElectricPowerQualitySummaryEntity extends IdentifiedObject {
     @Column(name = "short_interruptions")
     private Long shortInterruptions;
 
+    /**
+     * Summary interval for this power quality summary.
+     * Time period covered by these measurements.
+     */
+    @Embedded
+    @AttributeOverrides({
+        @AttributeOverride(name = "start", column = @Column(name = "summary_interval_start")),
+        @AttributeOverride(name = "duration", column = @Column(name = "summary_interval_duration"))
+    })
+    private DateTimeInterval summaryInterval;
+
     /**
      * Number of supply voltage dips during the summary period.
      * Temporary reductions in RMS voltage.
@@ -142,17 +153,6 @@ public class ElectricPowerQualitySummaryEntity extends IdentifiedObject {
     @Column(name = "temp_overvoltage")
     private Long tempOvervoltage;
 
-    /**
-     * Summary interval for this power quality summary.
-     * Time period covered by these measurements.
-     */
-    @Embedded
-    @AttributeOverrides({
-        @AttributeOverride(name = "start", column = @Column(name = "summary_interval_start")),
-        @AttributeOverride(name = "duration", column = @Column(name = "summary_interval_duration"))
-    })
-    private DateTimeInterval summaryInterval;
-
     /**
      * Usage point that this power quality summary belongs to.
      * Many summaries can belong to one usage point.

openespi-common/src/main/resources/db/migration/V3__Create_additiional_Base_Tables.sql

@@ -340,15 +340,16 @@ CREATE TABLE electric_power_quality_summaries
     power_frequency         BIGINT,
     rapid_voltage_changes   BIGINT,
     short_interruptions     BIGINT,
-    supply_voltage_dips     BIGINT,
-    supply_voltage_imbalance BIGINT,
-    supply_voltage_variations BIGINT,
-    temp_overvoltage        BIGINT,
 
     -- Embedded DateTimeInterval: summaryInterval
     summary_interval_start  BIGINT,
     summary_interval_duration BIGINT,
 
+    supply_voltage_dips     BIGINT,
+    supply_voltage_imbalance BIGINT,
+    supply_voltage_variations BIGINT,
+    temp_overvoltage        BIGINT,
+
     -- Foreign key relationships
     usage_point_id          CHAR(36),