feat(jpa): add JPA entities and repositories aligned to Flyway; chore(deps): remove unused AMQP deps

src/main/java/com/mosquito/project/persistence/entity/DailyActivityStatsEntity.java

@@ -0,0 +1,47 @@
+package com.mosquito.project.persistence.entity;
+
+import jakarta.persistence.*;
+import java.time.LocalDate;
+
+@Entity
+@Table(name = "daily_activity_stats")
+public class DailyActivityStatsEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "activity_id", nullable = false)
+    private Long activityId;
+
+    @Column(name = "stat_date", nullable = false)
+    private LocalDate statDate;
+
+    @Column(name = "views", nullable = false)
+    private Integer views;
+
+    @Column(name = "shares", nullable = false)
+    private Integer shares;
+
+    @Column(name = "new_registrations", nullable = false)
+    private Integer newRegistrations;
+
+    @Column(name = "conversions", nullable = false)
+    private Integer conversions;
+
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public Long getActivityId() { return activityId; }
+    public void setActivityId(Long activityId) { this.activityId = activityId; }
+    public LocalDate getStatDate() { return statDate; }
+    public void setStatDate(LocalDate statDate) { this.statDate = statDate; }
+    public Integer getViews() { return views; }
+    public void setViews(Integer views) { this.views = views; }
+    public Integer getShares() { return shares; }
+    public void setShares(Integer shares) { this.shares = shares; }
+    public Integer getNewRegistrations() { return newRegistrations; }
+    public void setNewRegistrations(Integer newRegistrations) { this.newRegistrations = newRegistrations; }
+    public Integer getConversions() { return conversions; }
+    public void setConversions(Integer conversions) { this.conversions = conversions; }
+}
+