From 7c73298f1740adbdddba239aeb120f70e72aef93 Mon Sep 17 00:00:00 2001
From: Don Strawsburg <don@goforward.group>
Date: Thu, 1 Jan 2026 00:41:44 -0500
Subject: [PATCH] adding comments

---
 .../battlbuilder/dto/EmailRequestDto.java     |  41 +-
 .../goforward/battlbuilder/model/Account.java | 184 ++++++++
 .../battlbuilder/model/AuthToken.java         | 102 +++++
 .../goforward/battlbuilder/model/Brand.java   | 110 +++++
 .../goforward/battlbuilder/model/Build.java   | 129 ++++++
 .../battlbuilder/model/BuildItem.java         | 124 +++++
 .../battlbuilder/model/EmailRequest.java      | 183 +++++++-
 .../battlbuilder/model/Merchant.java          | 117 +++++
 .../battlbuilder/model/Platform.java          |  83 ++++
 .../goforward/battlbuilder/model/Product.java | 429 ++++++++++++++++++
 .../battlbuilder/model/ProductOffer.java      | 170 +++++++
 .../goforward/battlbuilder/model/User.java    | 263 ++++++++++-
 12 files changed, 1930 insertions(+), 5 deletions(-)

diff --git a/src/main/java/group/goforward/battlbuilder/dto/EmailRequestDto.java b/src/main/java/group/goforward/battlbuilder/dto/EmailRequestDto.java
index 4c375db..99b74fd 100644
--- a/src/main/java/group/goforward/battlbuilder/dto/EmailRequestDto.java
+++ b/src/main/java/group/goforward/battlbuilder/dto/EmailRequestDto.java
@@ -1,31 +1,70 @@
 package group.goforward.battlbuilder.dto;
 
-// DTO for request
+/**
+ * Data Transfer Object (DTO) for email request operations.
+ * This class encapsulates the data required to send an email, including
+ * the recipient address, subject line, and message body.
+ */
 public class EmailRequestDto {
+    /** The email address of the recipient. */
     private String recipient;
+    
+    /** The subject line of the email. */
     private String subject;
+    
+    /** The body content of the email message. */
     private String body;
 
+    /**
+     * Gets the recipient email address.
+     *
+     * @return the recipient email address
+     */
     public String getRecipient() {
         return recipient;
     }
 
+    /**
+     * Sets the recipient email address.
+     *
+     * @param recipient the recipient email address to set
+     */
     public void setRecipient(String recipient) {
         this.recipient = recipient;
     }
 
+    /**
+     * Gets the email subject line.
+     *
+     * @return the email subject line
+     */
     public String getSubject() {
         return subject;
     }
 
+    /**
+     * Sets the email subject line.
+     *
+     * @param subject the email subject line to set
+     */
     public void setSubject(String subject) {
         this.subject = subject;
     }
 
+    /**
+     * Gets the email body content.
+     *
+     * @return the email body content
+     */
     public String getBody() {
         return body;
     }
 
+    /**
+     * Sets the email body content.
+     *
+     * @param body the email body content to set
+     */
     public void setBody(String body) {
         this.body = body;
     }
diff --git a/src/main/java/group/goforward/battlbuilder/model/Account.java b/src/main/java/group/goforward/battlbuilder/model/Account.java
index f898479..8303f3b 100644
--- a/src/main/java/group/goforward/battlbuilder/model/Account.java
+++ b/src/main/java/group/goforward/battlbuilder/model/Account.java
@@ -9,184 +9,368 @@ import org.hibernate.annotations.ColumnDefault;
 import java.time.OffsetDateTime;
 import java.util.UUID;
 
+/**
+ * Entity representing an OAuth account linked to a user.
+ * This class stores authentication and authorization information for third-party
+ * OAuth providers (e.g., Google, Facebook, GitHub) including access tokens,
+ * refresh tokens, and session state.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "accounts")
 public class Account {
+    /** The primary key identifier for the account. */
     @Id
     @ColumnDefault("gen_random_uuid()")
     @Column(name = "id", nullable = false)
     private UUID id;
 
+    /** A unique identifier (UUID) for the account. */
     @ColumnDefault("gen_random_uuid()")
     @Column(name = "uuid")
     private UUID uuid;
 
+    /** The UUID of the user this account belongs to. */
     @Column(name = "user_id", nullable = false)
     private UUID userId;
 
+    /** The type of OAuth account (e.g., "oauth", "oidc"). */
     @Column(name = "type", nullable = false, length = Integer.MAX_VALUE)
     private String type;
 
+    /** The OAuth provider name (e.g., "google", "github", "facebook"). */
     @Column(name = "provider", nullable = false, length = Integer.MAX_VALUE)
     private String provider;
 
+    /** The account ID from the OAuth provider. */
     @Column(name = "provider_account_id", nullable = false, length = Integer.MAX_VALUE)
     private String providerAccountId;
 
+    /** The OAuth refresh token used to obtain new access tokens. */
     @Column(name = "refresh_token", length = Integer.MAX_VALUE)
     private String refreshToken;
 
+    /** The OAuth access token for API requests to the provider. */
     @Column(name = "access_token", length = Integer.MAX_VALUE)
     private String accessToken;
 
+    /** The expiration timestamp of the access token (Unix timestamp). */
     @Column(name = "expires_at")
     private Integer expiresAt;
 
+    /** The type of token (e.g., "Bearer"). */
     @Column(name = "token_type", length = Integer.MAX_VALUE)
     private String tokenType;
 
+    /** The OpenID Connect ID token (if applicable). */
     @Column(name = "id_token", length = Integer.MAX_VALUE)
     private String idToken;
 
+    /** The OAuth session state for maintaining session continuity. */
     @Column(name = "session_state", length = Integer.MAX_VALUE)
     private String sessionState;
 
+    /** The OAuth scopes granted to this account. */
     @Column(name = "scope", length = Integer.MAX_VALUE)
     private String scope;
 
+    /** The timestamp when this account was created. */
     @Column(name = "created_at")
     private OffsetDateTime createdAt;
 
+    /** The timestamp when this account was last updated. */
     @Column(name = "updated_at")
     private OffsetDateTime updatedAt;
 
+    /** The timestamp when this account was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private OffsetDateTime deletedAt;
 
+    /**
+     * Gets the primary key identifier for the account.
+     *
+     * @return the account ID
+     */
     public UUID getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the account.
+     *
+     * @param id the account ID to set
+     */
     public void setId(UUID id) {
         this.id = id;
     }
 
+    /**
+     * Gets the unique identifier (UUID) for the account.
+     *
+     * @return the account UUID
+     */
     public UUID getUuid() {
         return uuid;
     }
 
+    /**
+     * Sets the unique identifier (UUID) for the account.
+     *
+     * @param uuid the account UUID to set
+     */
     public void setUuid(UUID uuid) {
         this.uuid = uuid;
     }
 
+    /**
+     * Gets the UUID of the user this account belongs to.
+     *
+     * @return the user UUID
+     */
     public UUID getUserId() {
         return userId;
     }
 
+    /**
+     * Sets the UUID of the user this account belongs to.
+     *
+     * @param userId the user UUID to set
+     */
     public void setUserId(UUID userId) {
         this.userId = userId;
     }
 
+    /**
+     * Gets the type of OAuth account.
+     *
+     * @return the account type (e.g., "oauth", "oidc")
+     */
     public String getType() {
         return type;
     }
 
+    /**
+     * Sets the type of OAuth account.
+     *
+     * @param type the account type to set
+     */
     public void setType(String type) {
         this.type = type;
     }
 
+    /**
+     * Gets the OAuth provider name.
+     *
+     * @return the provider name (e.g., "google", "github", "facebook")
+     */
     public String getProvider() {
         return provider;
     }
 
+    /**
+     * Sets the OAuth provider name.
+     *
+     * @param provider the provider name to set
+     */
     public void setProvider(String provider) {
         this.provider = provider;
     }
 
+    /**
+     * Gets the account ID from the OAuth provider.
+     *
+     * @return the provider account ID
+     */
     public String getProviderAccountId() {
         return providerAccountId;
     }
 
+    /**
+     * Sets the account ID from the OAuth provider.
+     *
+     * @param providerAccountId the provider account ID to set
+     */
     public void setProviderAccountId(String providerAccountId) {
         this.providerAccountId = providerAccountId;
     }
 
+    /**
+     * Gets the OAuth refresh token.
+     *
+     * @return the refresh token, or null if not available
+     */
     public String getRefreshToken() {
         return refreshToken;
     }
 
+    /**
+     * Sets the OAuth refresh token.
+     *
+     * @param refreshToken the refresh token to set
+     */
     public void setRefreshToken(String refreshToken) {
         this.refreshToken = refreshToken;
     }
 
+    /**
+     * Gets the OAuth access token.
+     *
+     * @return the access token, or null if not available
+     */
     public String getAccessToken() {
         return accessToken;
     }
 
+    /**
+     * Sets the OAuth access token.
+     *
+     * @param accessToken the access token to set
+     */
     public void setAccessToken(String accessToken) {
         this.accessToken = accessToken;
     }
 
+    /**
+     * Gets the expiration timestamp of the access token.
+     *
+     * @return the expiration timestamp as a Unix timestamp, or null if not set
+     */
     public Integer getExpiresAt() {
         return expiresAt;
     }
 
+    /**
+     * Sets the expiration timestamp of the access token.
+     *
+     * @param expiresAt the expiration timestamp as a Unix timestamp
+     */
     public void setExpiresAt(Integer expiresAt) {
         this.expiresAt = expiresAt;
     }
 
+    /**
+     * Gets the token type.
+     *
+     * @return the token type (e.g., "Bearer"), or null if not set
+     */
     public String getTokenType() {
         return tokenType;
     }
 
+    /**
+     * Sets the token type.
+     *
+     * @param tokenType the token type to set
+     */
     public void setTokenType(String tokenType) {
         this.tokenType = tokenType;
     }
 
+    /**
+     * Gets the OpenID Connect ID token.
+     *
+     * @return the ID token, or null if not available
+     */
     public String getIdToken() {
         return idToken;
     }
 
+    /**
+     * Sets the OpenID Connect ID token.
+     *
+     * @param idToken the ID token to set
+     */
     public void setIdToken(String idToken) {
         this.idToken = idToken;
     }
 
+    /**
+     * Gets the OAuth session state.
+     *
+     * @return the session state, or null if not set
+     */
     public String getSessionState() {
         return sessionState;
     }
 
+    /**
+     * Sets the OAuth session state.
+     *
+     * @param sessionState the session state to set
+     */
     public void setSessionState(String sessionState) {
         this.sessionState = sessionState;
     }
 
+    /**
+     * Gets the OAuth scopes granted to this account.
+     *
+     * @return the scopes, or null if not set
+     */
     public String getScope() {
         return scope;
     }
 
+    /**
+     * Sets the OAuth scopes granted to this account.
+     *
+     * @param scope the scopes to set
+     */
     public void setScope(String scope) {
         this.scope = scope;
     }
 
+    /**
+     * Gets the timestamp when this account was created.
+     *
+     * @return the creation timestamp, or null if not set
+     */
     public OffsetDateTime getCreatedAt() {
         return createdAt;
     }
 
+    /**
+     * Sets the timestamp when this account was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
+    /**
+     * Gets the timestamp when this account was last updated.
+     *
+     * @return the last update timestamp, or null if not set
+     */
     public OffsetDateTime getUpdatedAt() {
         return updatedAt;
     }
 
+    /**
+     * Sets the timestamp when this account was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
 
+    /**
+     * Gets the timestamp when this account was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the account is not deleted
+     */
     public OffsetDateTime getDeletedAt() {
         return deletedAt;
     }
 
+    /**
+     * Sets the timestamp when this account was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(OffsetDateTime deletedAt) {
         this.deletedAt = deletedAt;
     }
diff --git a/src/main/java/group/goforward/battlbuilder/model/AuthToken.java b/src/main/java/group/goforward/battlbuilder/model/AuthToken.java
index 0a5984c..72c20e7 100644
--- a/src/main/java/group/goforward/battlbuilder/model/AuthToken.java
+++ b/src/main/java/group/goforward/battlbuilder/model/AuthToken.java
@@ -3,6 +3,13 @@ package group.goforward.battlbuilder.model;
 import jakarta.persistence.*;
 import java.time.OffsetDateTime;
 
+/**
+ * Entity representing an authentication token.
+ * Tokens are used for beta verification, magic login links, and password resets.
+ * Tokens are hashed before storage and can be consumed and expired.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(
         name = "auth_tokens",
@@ -13,60 +20,155 @@ import java.time.OffsetDateTime;
 )
 public class AuthToken {
 
+    /**
+     * Enumeration of token types.
+     */
     public enum TokenType {
+        /** Token for beta access verification. */
         BETA_VERIFY,
+        /** Token for magic link login. */
         MAGIC_LOGIN,
+        /** Token for password reset. */
         PASSWORD_RESET
     }
 
+    /** The primary key identifier for the token. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    /** The email address associated with this token. */
     @Column(nullable = false)
     private String email;
 
+    /** The type of token. */
     @Enumerated(EnumType.STRING)
     @Column(nullable = false, length = 32)
     private TokenType type;
 
+    /** The hashed token value. */
     @Column(name = "token_hash", nullable = false, length = 64)
     private String tokenHash;
 
+    /** The timestamp when this token expires. */
     @Column(name = "expires_at", nullable = false)
     private OffsetDateTime expiresAt;
 
+    /** The timestamp when this token was consumed/used. */
     @Column(name = "consumed_at")
     private OffsetDateTime consumedAt;
 
+    /** The timestamp when this token was created. */
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
     // getters/setters
 
+    /**
+     * Gets the primary key identifier for the token.
+     *
+     * @return the token ID
+     */
     public Long getId() { return id; }
 
+    /**
+     * Gets the email address associated with this token.
+     *
+     * @return the email address
+     */
     public String getEmail() { return email; }
+
+    /**
+     * Sets the email address associated with this token.
+     *
+     * @param email the email address to set
+     */
     public void setEmail(String email) { this.email = email; }
 
+    /**
+     * Gets the type of token.
+     *
+     * @return the token type
+     */
     public TokenType getType() { return type; }
+
+    /**
+     * Sets the type of token.
+     *
+     * @param type the token type to set
+     */
     public void setType(TokenType type) { this.type = type; }
 
+    /**
+     * Gets the hashed token value.
+     *
+     * @return the token hash
+     */
     public String getTokenHash() { return tokenHash; }
+
+    /**
+     * Sets the hashed token value.
+     *
+     * @param tokenHash the token hash to set
+     */
     public void setTokenHash(String tokenHash) { this.tokenHash = tokenHash; }
 
+    /**
+     * Gets the timestamp when this token expires.
+     *
+     * @return the expiration timestamp
+     */
     public OffsetDateTime getExpiresAt() { return expiresAt; }
+
+    /**
+     * Sets the timestamp when this token expires.
+     *
+     * @param expiresAt the expiration timestamp to set
+     */
     public void setExpiresAt(OffsetDateTime expiresAt) { this.expiresAt = expiresAt; }
 
+    /**
+     * Gets the timestamp when this token was consumed/used.
+     *
+     * @return the consumed timestamp, or null if not yet consumed
+     */
     public OffsetDateTime getConsumedAt() { return consumedAt; }
+
+    /**
+     * Sets the timestamp when this token was consumed/used.
+     *
+     * @param consumedAt the consumed timestamp to set
+     */
     public void setConsumedAt(OffsetDateTime consumedAt) { this.consumedAt = consumedAt; }
 
+    /**
+     * Gets the timestamp when this token was created.
+     *
+     * @return the creation timestamp
+     */
     public OffsetDateTime getCreatedAt() { return createdAt; }
+
+    /**
+     * Sets the timestamp when this token was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) { this.createdAt = createdAt; }
 
+    /**
+     * Checks if this token has been consumed/used.
+     *
+     * @return true if the token has been consumed, false otherwise
+     */
     @Transient
     public boolean isConsumed() { return consumedAt != null; }
 
+    /**
+     * Checks if this token has expired at the given time.
+     *
+     * @param now the current time to check against
+     * @return true if the token has expired, false otherwise
+     */
     @Transient
     public boolean isExpired(OffsetDateTime now) { return expiresAt.isBefore(now); }
 }
\ No newline at end of file
diff --git a/src/main/java/group/goforward/battlbuilder/model/Brand.java b/src/main/java/group/goforward/battlbuilder/model/Brand.java
index ffdab93..47a7fd0 100644
--- a/src/main/java/group/goforward/battlbuilder/model/Brand.java
+++ b/src/main/java/group/goforward/battlbuilder/model/Brand.java
@@ -7,40 +7,59 @@ import org.hibernate.annotations.UpdateTimestamp;
 import java.time.Instant;
 import java.util.UUID;
 
+/**
+ * Entity representing a brand/manufacturer of products.
+ * Brands are associated with products and contain information such as name, website, and logo.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "brands")
 public class Brand {
 
+    /** The primary key identifier for the brand. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Integer id;
 
+    /** The brand name. Must be unique. */
     @Column(nullable = false, unique = true)
     private String name;
 
+    /** A unique identifier (UUID) for the brand. */
     @Column(nullable = false, unique = true)
     private UUID uuid;
 
+    /** The URL-friendly slug for the brand. Must be unique. */
     @Column(unique = true)
     private String slug;
 
+    /** The brand's website URL. */
     @Column(name = "website")
     private String website;
 
+    /** The URL of the brand's logo image. */
     @Column(name = "logo_url")
     private String logoUrl;
 
+    /** The timestamp when this brand was created. */
     @CreationTimestamp
     @Column(name = "created_at", nullable = false, updatable = false)
     private Instant createdAt;
 
+    /** The timestamp when this brand was last updated. */
     @UpdateTimestamp
     @Column(name = "updated_at", nullable = false)
     private Instant updatedAt;
 
+    /** The timestamp when this brand was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private Instant deletedAt;
 
+    /**
+     * Lifecycle hook called before persisting a new entity.
+     * Initializes the UUID and generates a slug from the name if not already set.
+     */
     @PrePersist
     public void prePersist() {
         if (uuid == null) {
@@ -52,74 +71,165 @@ public class Brand {
     }
 
     // Getters and Setters
+
+    /**
+     * Gets the primary key identifier for the brand.
+     *
+     * @return the brand ID
+     */
     public Integer getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the brand.
+     *
+     * @param id the brand ID to set
+     */
     public void setId(Integer id) {
         this.id = id;
     }
 
+    /**
+     * Gets the brand name.
+     *
+     * @return the brand name
+     */
     public String getName() {
         return name;
     }
 
+    /**
+     * Sets the brand name.
+     *
+     * @param name the brand name to set
+     */
     public void setName(String name) {
         this.name = name;
     }
 
+    /**
+     * Gets the unique identifier (UUID) for the brand.
+     *
+     * @return the brand UUID
+     */
     public UUID getUuid() {
         return uuid;
     }
 
+    /**
+     * Sets the unique identifier (UUID) for the brand.
+     *
+     * @param uuid the brand UUID to set
+     */
     public void setUuid(UUID uuid) {
         this.uuid = uuid;
     }
 
+    /**
+     * Gets the URL-friendly slug for the brand.
+     *
+     * @return the slug
+     */
     public String getSlug() {
         return slug;
     }
 
+    /**
+     * Sets the URL-friendly slug for the brand.
+     *
+     * @param slug the slug to set
+     */
     public void setSlug(String slug) {
         this.slug = slug;
     }
 
+    /**
+     * Gets the brand's website URL.
+     *
+     * @return the website URL, or null if not set
+     */
     public String getWebsite() {
         return website;
     }
 
+    /**
+     * Sets the brand's website URL.
+     *
+     * @param website the website URL to set
+     */
     public void setWebsite(String website) {
         this.website = website;
     }
 
+    /**
+     * Gets the URL of the brand's logo image.
+     *
+     * @return the logo URL, or null if not set
+     */
     public String getLogoUrl() {
         return logoUrl;
     }
 
+    /**
+     * Sets the URL of the brand's logo image.
+     *
+     * @param logoUrl the logo URL to set
+     */
     public void setLogoUrl(String logoUrl) {
         this.logoUrl = logoUrl;
     }
 
+    /**
+     * Gets the timestamp when this brand was created.
+     *
+     * @return the creation timestamp
+     */
     public Instant getCreatedAt() {
         return createdAt;
     }
 
+    /**
+     * Sets the timestamp when this brand was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(Instant createdAt) {
         this.createdAt = createdAt;
     }
 
+    /**
+     * Gets the timestamp when this brand was last updated.
+     *
+     * @return the last update timestamp
+     */
     public Instant getUpdatedAt() {
         return updatedAt;
     }
 
+    /**
+     * Sets the timestamp when this brand was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(Instant updatedAt) {
         this.updatedAt = updatedAt;
     }
 
+    /**
+     * Gets the timestamp when this brand was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the brand is not deleted
+     */
     public Instant getDeletedAt() {
         return deletedAt;
     }
 
+    /**
+     * Sets the timestamp when this brand was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(Instant deletedAt) {
         this.deletedAt = deletedAt;
     }
diff --git a/src/main/java/group/goforward/battlbuilder/model/Build.java b/src/main/java/group/goforward/battlbuilder/model/Build.java
index e857cf8..0ba34f6 100644
--- a/src/main/java/group/goforward/battlbuilder/model/Build.java
+++ b/src/main/java/group/goforward/battlbuilder/model/Build.java
@@ -7,6 +7,12 @@ import org.hibernate.annotations.ColumnDefault;
 import java.time.OffsetDateTime;
 import java.util.UUID;
 
+/**
+ * Entity representing a build (firearm configuration) created by a user.
+ * A build contains a collection of parts and can be public or private.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "builds")
 public class Build {
@@ -14,6 +20,8 @@ public class Build {
     // -----------------------------------------------------
     // Primary key (Postgres GENERATED ALWAYS AS IDENTITY)
     // -----------------------------------------------------
+
+    /** The primary key identifier for the build. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
@@ -22,6 +30,8 @@ public class Build {
     // -----------------------------------------------------
     // UUID (DB default gen_random_uuid())
     // -----------------------------------------------------
+
+    /** A unique identifier (UUID) for the build. */
     @ColumnDefault("gen_random_uuid()")
     @Column(name = "uuid", nullable = false)
     private UUID uuid;
@@ -30,18 +40,24 @@ public class Build {
     // Ownership (nullable; ON DELETE SET NULL)
     // NOTE: Keeping this as Integer for now to avoid forcing a User entity relationship
     // -----------------------------------------------------
+
+    /** The ID of the user who owns this build. Can be null if the user is deleted. */
     @Column(name = "user_id")
     private Integer userId;
 
     // -----------------------------------------------------
     // Main fields
     // -----------------------------------------------------
+
+    /** The title of the build. */
     @Column(name = "title", nullable = false)
     private String title;
 
+    /** A description of the build. */
     @Column(name = "description")
     private String description;
 
+    /** Whether this build is publicly visible. Defaults to false. */
     @ColumnDefault("false")
     @Column(name = "is_public", nullable = false)
     private Boolean isPublic = false;
@@ -49,20 +65,29 @@ public class Build {
     // -----------------------------------------------------
     // Timestamps
     // -----------------------------------------------------
+
+    /** The timestamp when this build was created. */
     @ColumnDefault("now()")
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
+    /** The timestamp when this build was last updated. */
     @ColumnDefault("now()")
     @Column(name = "updated_at", nullable = false)
     private OffsetDateTime updatedAt;
 
+    /** The timestamp when this build was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private OffsetDateTime deletedAt;
 
     // -----------------------------------------------------
     // Hibernate lifecycle
     // -----------------------------------------------------
+
+    /**
+     * Lifecycle hook called before persisting a new entity.
+     * Initializes the UUID and timestamps if not already set.
+     */
     @PrePersist
     public void prePersist() {
         if (uuid == null) uuid = UUID.randomUUID();
@@ -72,6 +97,10 @@ public class Build {
         if (isPublic == null) isPublic = false;
     }
 
+    /**
+     * Lifecycle hook called before updating an existing entity.
+     * Updates the updatedAt timestamp.
+     */
     @PreUpdate
     public void preUpdate() {
         updatedAt = OffsetDateTime.now();
@@ -80,30 +109,130 @@ public class Build {
     // -----------------------------------------------------
     // Getters / Setters
     // -----------------------------------------------------
+
+    /**
+     * Gets the primary key identifier for the build.
+     *
+     * @return the build ID
+     */
     public Integer getId() { return id; }
+
+    /**
+     * Sets the primary key identifier for the build.
+     *
+     * @param id the build ID to set
+     */
     public void setId(Integer id) { this.id = id; }
 
+    /**
+     * Gets the unique identifier (UUID) for the build.
+     *
+     * @return the build UUID
+     */
     public UUID getUuid() { return uuid; }
+
+    /**
+     * Sets the unique identifier (UUID) for the build.
+     *
+     * @param uuid the build UUID to set
+     */
     public void setUuid(UUID uuid) { this.uuid = uuid; }
 
+    /**
+     * Gets the ID of the user who owns this build.
+     *
+     * @return the user ID, or null if the user has been deleted
+     */
     public Integer getUserId() { return userId; }
+
+    /**
+     * Sets the ID of the user who owns this build.
+     *
+     * @param userId the user ID to set
+     */
     public void setUserId(Integer userId) { this.userId = userId; }
 
+    /**
+     * Gets the title of the build.
+     *
+     * @return the title
+     */
     public String getTitle() { return title; }
+
+    /**
+     * Sets the title of the build.
+     *
+     * @param title the title to set
+     */
     public void setTitle(String title) { this.title = title; }
 
+    /**
+     * Gets the description of the build.
+     *
+     * @return the description, or null if not set
+     */
     public String getDescription() { return description; }
+
+    /**
+     * Sets the description of the build.
+     *
+     * @param description the description to set
+     */
     public void setDescription(String description) { this.description = description; }
 
+    /**
+     * Gets whether this build is publicly visible.
+     *
+     * @return true if the build is public, false otherwise
+     */
     public Boolean getIsPublic() { return isPublic; }
+
+    /**
+     * Sets whether this build is publicly visible.
+     *
+     * @param isPublic true to make the build public, false to make it private
+     */
     public void setIsPublic(Boolean isPublic) { this.isPublic = isPublic; }
 
+    /**
+     * Gets the timestamp when this build was created.
+     *
+     * @return the creation timestamp
+     */
     public OffsetDateTime getCreatedAt() { return createdAt; }
+
+    /**
+     * Sets the timestamp when this build was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) { this.createdAt = createdAt; }
 
+    /**
+     * Gets the timestamp when this build was last updated.
+     *
+     * @return the last update timestamp
+     */
     public OffsetDateTime getUpdatedAt() { return updatedAt; }
+
+    /**
+     * Sets the timestamp when this build was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(OffsetDateTime updatedAt) { this.updatedAt = updatedAt; }
 
+    /**
+     * Gets the timestamp when this build was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the build is not deleted
+     */
     public OffsetDateTime getDeletedAt() { return deletedAt; }
+
+    /**
+     * Sets the timestamp when this build was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(OffsetDateTime deletedAt) { this.deletedAt = deletedAt; }
 }
\ No newline at end of file
diff --git a/src/main/java/group/goforward/battlbuilder/model/BuildItem.java b/src/main/java/group/goforward/battlbuilder/model/BuildItem.java
index 225f28d..a4bfd1a 100644
--- a/src/main/java/group/goforward/battlbuilder/model/BuildItem.java
+++ b/src/main/java/group/goforward/battlbuilder/model/BuildItem.java
@@ -9,57 +9,77 @@ import org.hibernate.annotations.OnDeleteAction;
 import java.time.OffsetDateTime;
 import java.util.UUID;
 
+/**
+ * Entity representing an item (product) in a build.
+ * A build item links a product to a build, specifying the slot, position, and quantity.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "build_items")
 public class BuildItem {
+    /** The primary key identifier for the build item. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
     private Integer id;
 
+    /** A unique identifier (UUID) for the build item. */
     @NotNull
     @ColumnDefault("gen_random_uuid()")
     @Column(name = "uuid", nullable = false)
     private UUID uuid;
 
+    /** The build this item belongs to. */
     @NotNull
     @ManyToOne(fetch = FetchType.LAZY, optional = false)
     @OnDelete(action = OnDeleteAction.CASCADE)
     @JoinColumn(name = "build_id", nullable = false)
     private Build build;
 
+    /** The product used in this build item. */
     @NotNull
     @ManyToOne(fetch = FetchType.LAZY, optional = false)
     @OnDelete(action = OnDeleteAction.CASCADE)
     @JoinColumn(name = "product_id", nullable = false)
     private Product product;
 
+    /** The slot/role this product fills in the build (e.g., "upper_receiver", "barrel"). */
     @NotNull
     @Column(name = "slot", nullable = false, length = Integer.MAX_VALUE)
     private String slot;
 
+    /** The position/order of this item within the slot. Defaults to 0. */
     @NotNull
     @ColumnDefault("0")
     @Column(name = "\"position\"", nullable = false)
     private Integer position;
 
+    /** The quantity of this product in the build. Defaults to 1. */
     @NotNull
     @ColumnDefault("1")
     @Column(name = "quantity", nullable = false)
     private Integer quantity;
 
+    /** The timestamp when this build item was created. */
     @NotNull
     @ColumnDefault("now()")
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
+    /** The timestamp when this build item was last updated. */
     @ColumnDefault("CURRENT_TIMESTAMP")
     @Column(name = "updated_at")
     private OffsetDateTime updatedAt;
 
+    /** The timestamp when this build item was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private OffsetDateTime deletedAt;
 
+    /**
+     * Lifecycle hook called before persisting a new entity.
+     * Initializes the UUID and timestamps if not already set.
+     */
     @PrePersist
     protected void onCreate() {
         if (this.uuid == null) this.uuid = java.util.UUID.randomUUID();
@@ -67,87 +87,191 @@ public class BuildItem {
         if (this.updatedAt == null) this.updatedAt = this.createdAt;
     }
 
+    /**
+     * Lifecycle hook called before updating an existing entity.
+     * Updates the updatedAt timestamp.
+     */
     @PreUpdate
     protected void onUpdate() {
         this.updatedAt = OffsetDateTime.now();
     }
 
+    /**
+     * Gets the primary key identifier for the build item.
+     *
+     * @return the build item ID
+     */
     public Integer getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the build item.
+     *
+     * @param id the build item ID to set
+     */
     public void setId(Integer id) {
         this.id = id;
     }
 
+    /**
+     * Gets the unique identifier (UUID) for the build item.
+     *
+     * @return the build item UUID
+     */
     public UUID getUuid() {
         return uuid;
     }
 
+    /**
+     * Sets the unique identifier (UUID) for the build item.
+     *
+     * @param uuid the build item UUID to set
+     */
     public void setUuid(UUID uuid) {
         this.uuid = uuid;
     }
 
+    /**
+     * Gets the build this item belongs to.
+     *
+     * @return the build
+     */
     public Build getBuild() {
         return build;
     }
 
+    /**
+     * Sets the build this item belongs to.
+     *
+     * @param build the build to set
+     */
     public void setBuild(Build build) {
         this.build = build;
     }
 
+    /**
+     * Gets the product used in this build item.
+     *
+     * @return the product
+     */
     public Product getProduct() {
         return product;
     }
 
+    /**
+     * Sets the product used in this build item.
+     *
+     * @param product the product to set
+     */
     public void setProduct(Product product) {
         this.product = product;
     }
 
+    /**
+     * Gets the slot/role this product fills in the build.
+     *
+     * @return the slot (e.g., "upper_receiver", "barrel")
+     */
     public String getSlot() {
         return slot;
     }
 
+    /**
+     * Sets the slot/role this product fills in the build.
+     *
+     * @param slot the slot to set
+     */
     public void setSlot(String slot) {
         this.slot = slot;
     }
 
+    /**
+     * Gets the position/order of this item within the slot.
+     *
+     * @return the position
+     */
     public Integer getPosition() {
         return position;
     }
 
+    /**
+     * Sets the position/order of this item within the slot.
+     *
+     * @param position the position to set
+     */
     public void setPosition(Integer position) {
         this.position = position;
     }
 
+    /**
+     * Gets the quantity of this product in the build.
+     *
+     * @return the quantity
+     */
     public Integer getQuantity() {
         return quantity;
     }
 
+    /**
+     * Sets the quantity of this product in the build.
+     *
+     * @param quantity the quantity to set
+     */
     public void setQuantity(Integer quantity) {
         this.quantity = quantity;
     }
 
+    /**
+     * Gets the timestamp when this build item was created.
+     *
+     * @return the creation timestamp
+     */
     public OffsetDateTime getCreatedAt() {
         return createdAt;
     }
 
+    /**
+     * Sets the timestamp when this build item was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
+    /**
+     * Gets the timestamp when this build item was last updated.
+     *
+     * @return the last update timestamp, or null if not set
+     */
     public OffsetDateTime getUpdatedAt() {
         return updatedAt;
     }
 
+    /**
+     * Sets the timestamp when this build item was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
 
+    /**
+     * Gets the timestamp when this build item was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the build item is not deleted
+     */
     public OffsetDateTime getDeletedAt() {
         return deletedAt;
     }
 
+    /**
+     * Sets the timestamp when this build item was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(OffsetDateTime deletedAt) {
         this.deletedAt = deletedAt;
     }
diff --git a/src/main/java/group/goforward/battlbuilder/model/EmailRequest.java b/src/main/java/group/goforward/battlbuilder/model/EmailRequest.java
index ec77e8e..e6af124 100644
--- a/src/main/java/group/goforward/battlbuilder/model/EmailRequest.java
+++ b/src/main/java/group/goforward/battlbuilder/model/EmailRequest.java
@@ -4,6 +4,12 @@ import jakarta.persistence.*;
 
 import java.time.LocalDateTime;
 
+/**
+ * Entity representing an email request/queue entry.
+ * Tracks email sending status, delivery, and engagement metrics (opens, clicks).
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "email_requests")
 @NamedQueries({
@@ -22,51 +28,68 @@ import java.time.LocalDateTime;
 })
 public class EmailRequest {
 
+    /** The primary key identifier for the email request. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    /** The email address of the recipient. */
     @Column(nullable = false)
     private String recipient;
 
+    /** The email subject line. */
     @Column(nullable = false)
     private String subject;
 
+    /** The email body content. */
     @Column(columnDefinition = "TEXT")
     private String body;
 
+    /** The template key used to generate this email (if applicable). */
     @Column(name = "template_key", length = 100)
     private String templateKey;
 
+    /** The status of the email (PENDING, SENT, FAILED). */
     @Enumerated(EnumType.STRING)
     @Column(nullable = false)
     private EmailStatus status; // PENDING, SENT, FAILED
 
+    /** The timestamp when the email was sent. */
     @Column(name = "sent_at")
     private LocalDateTime sentAt;
 
+    /** The error message if the email failed to send. */
     @Column(name = "error_message")
     private String errorMessage;
 
+    /** The timestamp when the email was first opened. */
     @Column(name = "opened_at")
     private LocalDateTime openedAt;
 
+    /** The number of times the email has been opened. Defaults to 0. */
     @Column(name = "open_count", nullable = false)
     private Integer openCount = 0;
 
+    /** The timestamp when a link in the email was first clicked. */
     @Column(name = "clicked_at")
     private LocalDateTime clickedAt;
 
+    /** The number of times links in the email have been clicked. Defaults to 0. */
     @Column(name = "click_count", nullable = false)
     private Integer clickCount = 0;
 
+    /** The timestamp when this email request was created. */
     @Column(name = "created_at", nullable = false, updatable = false)
     private LocalDateTime createdAt;
 
-    // ✅ should be updatable
+    /** The timestamp when this email request was last updated. */
     @Column(name = "updated_at", nullable = false)
     private LocalDateTime updatedAt;
 
+    /**
+     * Lifecycle hook called before persisting a new entity.
+     * Initializes timestamps and default values.
+     */
     @PrePersist
     protected void onCreate() {
         LocalDateTime now = LocalDateTime.now();
@@ -78,6 +101,10 @@ public class EmailRequest {
         if (clickCount == null) clickCount = 0;
     }
 
+    /**
+     * Lifecycle hook called before updating an existing entity.
+     * Updates the updatedAt timestamp.
+     */
     @PreUpdate
     protected void onUpdate() {
         updatedAt = LocalDateTime.now();
@@ -85,45 +112,199 @@ public class EmailRequest {
 
     // ===== Getters / Setters =====
 
+    /**
+     * Gets the primary key identifier for the email request.
+     *
+     * @return the email request ID
+     */
     public Long getId() { return id; }
+
+    /**
+     * Sets the primary key identifier for the email request.
+     *
+     * @param id the email request ID to set
+     */
     public void setId(Long id) { this.id = id; }
 
+    /**
+     * Gets the email address of the recipient.
+     *
+     * @return the recipient email address
+     */
     public String getRecipient() { return recipient; }
+
+    /**
+     * Sets the email address of the recipient.
+     *
+     * @param recipient the recipient email address to set
+     */
     public void setRecipient(String recipient) { this.recipient = recipient; }
 
+    /**
+     * Gets the email subject line.
+     *
+     * @return the subject
+     */
     public String getSubject() { return subject; }
+
+    /**
+     * Sets the email subject line.
+     *
+     * @param subject the subject to set
+     */
     public void setSubject(String subject) { this.subject = subject; }
 
+    /**
+     * Gets the email body content.
+     *
+     * @return the body, or null if not set
+     */
     public String getBody() { return body; }
+
+    /**
+     * Sets the email body content.
+     *
+     * @param body the body to set
+     */
     public void setBody(String body) { this.body = body; }
 
+    /**
+     * Gets the template key used to generate this email.
+     *
+     * @return the template key, or null if not set
+     */
     public String getTemplateKey() { return templateKey; }
+
+    /**
+     * Sets the template key used to generate this email.
+     *
+     * @param templateKey the template key to set
+     */
     public void setTemplateKey(String templateKey) { this.templateKey = templateKey; }
 
+    /**
+     * Gets the status of the email.
+     *
+     * @return the email status (PENDING, SENT, FAILED)
+     */
     public EmailStatus getStatus() { return status; }
+
+    /**
+     * Sets the status of the email.
+     *
+     * @param status the email status to set
+     */
     public void setStatus(EmailStatus status) { this.status = status; }
 
+    /**
+     * Gets the timestamp when the email was sent.
+     *
+     * @return the sent timestamp, or null if not yet sent
+     */
     public LocalDateTime getSentAt() { return sentAt; }
+
+    /**
+     * Sets the timestamp when the email was sent.
+     *
+     * @param sentAt the sent timestamp to set
+     */
     public void setSentAt(LocalDateTime sentAt) { this.sentAt = sentAt; }
 
+    /**
+     * Gets the error message if the email failed to send.
+     *
+     * @return the error message, or null if no error
+     */
     public String getErrorMessage() { return errorMessage; }
+
+    /**
+     * Sets the error message if the email failed to send.
+     *
+     * @param errorMessage the error message to set
+     */
     public void setErrorMessage(String errorMessage) { this.errorMessage = errorMessage; }
 
+    /**
+     * Gets the timestamp when the email was first opened.
+     *
+     * @return the opened timestamp, or null if never opened
+     */
     public LocalDateTime getOpenedAt() { return openedAt; }
+
+    /**
+     * Sets the timestamp when the email was first opened.
+     *
+     * @param openedAt the opened timestamp to set
+     */
     public void setOpenedAt(LocalDateTime openedAt) { this.openedAt = openedAt; }
 
+    /**
+     * Gets the number of times the email has been opened.
+     *
+     * @return the open count
+     */
     public Integer getOpenCount() { return openCount; }
+
+    /**
+     * Sets the number of times the email has been opened.
+     *
+     * @param openCount the open count to set
+     */
     public void setOpenCount(Integer openCount) { this.openCount = openCount; }
 
+    /**
+     * Gets the timestamp when a link in the email was first clicked.
+     *
+     * @return the clicked timestamp, or null if never clicked
+     */
     public LocalDateTime getClickedAt() { return clickedAt; }
+
+    /**
+     * Sets the timestamp when a link in the email was first clicked.
+     *
+     * @param clickedAt the clicked timestamp to set
+     */
     public void setClickedAt(LocalDateTime clickedAt) { this.clickedAt = clickedAt; }
 
+    /**
+     * Gets the number of times links in the email have been clicked.
+     *
+     * @return the click count
+     */
     public Integer getClickCount() { return clickCount; }
+
+    /**
+     * Sets the number of times links in the email have been clicked.
+     *
+     * @param clickCount the click count to set
+     */
     public void setClickCount(Integer clickCount) { this.clickCount = clickCount; }
 
+    /**
+     * Gets the timestamp when this email request was created.
+     *
+     * @return the creation timestamp
+     */
     public LocalDateTime getCreatedAt() { return createdAt; }
+
+    /**
+     * Sets the timestamp when this email request was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }
 
+    /**
+     * Gets the timestamp when this email request was last updated.
+     *
+     * @return the last update timestamp
+     */
     public LocalDateTime getUpdatedAt() { return updatedAt; }
+
+    /**
+     * Sets the timestamp when this email request was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(LocalDateTime updatedAt) { this.updatedAt = updatedAt; }
 }
\ No newline at end of file
diff --git a/src/main/java/group/goforward/battlbuilder/model/Merchant.java b/src/main/java/group/goforward/battlbuilder/model/Merchant.java
index f757e47..12984fc 100644
--- a/src/main/java/group/goforward/battlbuilder/model/Merchant.java
+++ b/src/main/java/group/goforward/battlbuilder/model/Merchant.java
@@ -5,41 +5,58 @@ import org.hibernate.annotations.ColumnDefault;
 
 import java.time.OffsetDateTime;
 
+/**
+ * Entity representing a merchant/retailer that offers products.
+ * Merchants are integrated via AvantLink and have product feeds that are imported
+ * to create product offers.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "merchants")
 public class Merchant {
 
+    /** The primary key identifier for the merchant. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
     private Integer id;
 
+    /** The merchant name. */
     @Column(name = "name", nullable = false, length = Integer.MAX_VALUE)
     private String name;
 
+    /** The AvantLink merchant ID. */
     @Column(name = "avantlink_mid", nullable = false, length = Integer.MAX_VALUE)
     private String avantlinkMid;
 
+    /** The URL of the product feed for full imports. */
     @Column(name = "feed_url", nullable = false, length = Integer.MAX_VALUE)
     private String feedUrl;
 
+    /** The URL of the offer feed for price/availability updates. */
     @Column(name = "offer_feed_url")
     private String offerFeedUrl;
 
+    /** The timestamp when the last full product import was completed. */
     @Column(name = "last_full_import_at")
     private OffsetDateTime lastFullImportAt;
 
+    /** The timestamp when the last offer sync was completed. */
     @Column(name = "last_offer_sync_at")
     private OffsetDateTime lastOfferSyncAt;
 
+    /** Whether this merchant is active. Defaults to true. */
     @ColumnDefault("true")
     @Column(name = "is_active", nullable = false)
     private Boolean isActive = true;
 
+    /** The timestamp when this merchant was created. */
     @ColumnDefault("now()")
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
+    /** The timestamp when this merchant was last updated. */
     @ColumnDefault("now()")
     @Column(name = "updated_at", nullable = false)
     private OffsetDateTime updatedAt;
@@ -48,82 +65,182 @@ public class Merchant {
     // GETTERS & SETTERS
     // -----------------------
 
+    /**
+     * Gets the primary key identifier for the merchant.
+     *
+     * @return the merchant ID
+     */
     public Integer getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the merchant.
+     *
+     * @param id the merchant ID to set
+     */
     public void setId(Integer id) {
         this.id = id;
     }
 
+    /**
+     * Gets the merchant name.
+     *
+     * @return the merchant name
+     */
     public String getName() {
         return name;
     }
 
+    /**
+     * Sets the merchant name.
+     *
+     * @param name the merchant name to set
+     */
     public void setName(String name) {
         this.name = name;
     }
 
+    /**
+     * Gets the AvantLink merchant ID.
+     *
+     * @return the AvantLink merchant ID
+     */
     public String getAvantlinkMid() {
         return avantlinkMid;
     }
 
+    /**
+     * Sets the AvantLink merchant ID.
+     *
+     * @param avantlinkMid the AvantLink merchant ID to set
+     */
     public void setAvantlinkMid(String avantlinkMid) {
         this.avantlinkMid = avantlinkMid;
     }
 
+    /**
+     * Gets the URL of the product feed for full imports.
+     *
+     * @return the feed URL
+     */
     public String getFeedUrl() {
         return feedUrl;
     }
 
+    /**
+     * Sets the URL of the product feed for full imports.
+     *
+     * @param feedUrl the feed URL to set
+     */
     public void setFeedUrl(String feedUrl) {
         this.feedUrl = feedUrl;
     }
 
+    /**
+     * Gets the URL of the offer feed for price/availability updates.
+     *
+     * @return the offer feed URL, or null if not set
+     */
     public String getOfferFeedUrl() {
         return offerFeedUrl;
     }
 
+    /**
+     * Sets the URL of the offer feed for price/availability updates.
+     *
+     * @param offerFeedUrl the offer feed URL to set
+     */
     public void setOfferFeedUrl(String offerFeedUrl) {
         this.offerFeedUrl = offerFeedUrl;
     }
 
+    /**
+     * Gets the timestamp when the last full product import was completed.
+     *
+     * @return the last full import timestamp, or null if never imported
+     */
     public OffsetDateTime getLastFullImportAt() {
         return lastFullImportAt;
     }
 
+    /**
+     * Sets the timestamp when the last full product import was completed.
+     *
+     * @param lastFullImportAt the last full import timestamp to set
+     */
     public void setLastFullImportAt(OffsetDateTime lastFullImportAt) {
         this.lastFullImportAt = lastFullImportAt;
     }
 
+    /**
+     * Gets the timestamp when the last offer sync was completed.
+     *
+     * @return the last offer sync timestamp, or null if never synced
+     */
     public OffsetDateTime getLastOfferSyncAt() {
         return lastOfferSyncAt;
     }
 
+    /**
+     * Sets the timestamp when the last offer sync was completed.
+     *
+     * @param lastOfferSyncAt the last offer sync timestamp to set
+     */
     public void setLastOfferSyncAt(OffsetDateTime lastOfferSyncAt) {
         this.lastOfferSyncAt = lastOfferSyncAt;
     }
 
+    /**
+     * Gets whether this merchant is active.
+     *
+     * @return true if active, false otherwise
+     */
     public Boolean getIsActive() {
         return isActive;
     }
 
+    /**
+     * Sets whether this merchant is active.
+     *
+     * @param active true to activate the merchant, false to deactivate
+     */
     public void setIsActive(Boolean active) {
         this.isActive = active;
     }
 
+    /**
+     * Gets the timestamp when this merchant was created.
+     *
+     * @return the creation timestamp
+     */
     public OffsetDateTime getCreatedAt() {
         return createdAt;
     }
 
+    /**
+     * Sets the timestamp when this merchant was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
+    /**
+     * Gets the timestamp when this merchant was last updated.
+     *
+     * @return the last update timestamp
+     */
     public OffsetDateTime getUpdatedAt() {
         return updatedAt;
     }
 
+    /**
+     * Sets the timestamp when this merchant was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
diff --git a/src/main/java/group/goforward/battlbuilder/model/Platform.java b/src/main/java/group/goforward/battlbuilder/model/Platform.java
index a2627d8..93633e0 100644
--- a/src/main/java/group/goforward/battlbuilder/model/Platform.java
+++ b/src/main/java/group/goforward/battlbuilder/model/Platform.java
@@ -6,89 +6,172 @@ import org.hibernate.annotations.ColumnDefault;
 
 import java.time.OffsetDateTime;
 
+/**
+ * Entity representing a firearm platform (e.g., AR-15, AK-47).
+ * Platforms are used to categorize products and builds.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "platforms")
 public class Platform {
+    /** The primary key identifier for the platform. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
     private Integer id;
 
+    /** The unique key/identifier for the platform (e.g., "ar-15", "ak-47"). */
     @NotNull
     @Column(name = "key", nullable = false, length = Integer.MAX_VALUE)
     private String key;
 
+    /** The display label for the platform (e.g., "AR-15", "AK-47"). */
     @NotNull
     @Column(name = "label", nullable = false, length = Integer.MAX_VALUE)
     private String label;
 
+    /** The timestamp when this platform was created. */
     @ColumnDefault("CURRENT_TIMESTAMP")
     @Column(name = "created_at")
     private OffsetDateTime createdAt;
 
+    /** The timestamp when this platform was last updated. */
     @ColumnDefault("CURRENT_TIMESTAMP")
     @Column(name = "updated_at")
     private OffsetDateTime updatedAt;
 
+    /** The timestamp when this platform was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private OffsetDateTime deletedAt;
 
+    /** Whether this platform is active. Defaults to true. */
     @ColumnDefault("true")
     @Column(name = "is_active", nullable = false)
     private Boolean isActive = true;
 
+    /**
+     * Gets the primary key identifier for the platform.
+     *
+     * @return the platform ID
+     */
     public Integer getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the platform.
+     *
+     * @param id the platform ID to set
+     */
     public void setId(Integer id) {
         this.id = id;
     }
 
+    /**
+     * Gets the unique key/identifier for the platform.
+     *
+     * @return the platform key (e.g., "ar-15", "ak-47")
+     */
     public String getKey() {
         return key;
     }
 
+    /**
+     * Sets the unique key/identifier for the platform.
+     *
+     * @param key the platform key to set
+     */
     public void setKey(String key) {
         this.key = key;
     }
 
+    /**
+     * Gets the display label for the platform.
+     *
+     * @return the platform label (e.g., "AR-15", "AK-47")
+     */
     public String getLabel() {
         return label;
     }
 
+    /**
+     * Sets the display label for the platform.
+     *
+     * @param label the platform label to set
+     */
     public void setLabel(String label) {
         this.label = label;
     }
 
+    /**
+     * Gets the timestamp when this platform was created.
+     *
+     * @return the creation timestamp, or null if not set
+     */
     public OffsetDateTime getCreatedAt() {
         return createdAt;
     }
 
+    /**
+     * Sets the timestamp when this platform was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
+    /**
+     * Gets the timestamp when this platform was last updated.
+     *
+     * @return the last update timestamp, or null if not set
+     */
     public OffsetDateTime getUpdatedAt() {
         return updatedAt;
     }
 
+    /**
+     * Sets the timestamp when this platform was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
 
+    /**
+     * Gets the timestamp when this platform was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the platform is not deleted
+     */
     public OffsetDateTime getDeletedAt() {
         return deletedAt;
     }
 
+    /**
+     * Sets the timestamp when this platform was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(OffsetDateTime deletedAt) {
         this.deletedAt = deletedAt;
     }
 
+    /**
+     * Gets whether this platform is active.
+     *
+     * @return true if active, false otherwise
+     */
     public Boolean getIsActive() {
         return isActive;
     }
 
+    /**
+     * Sets whether this platform is active.
+     *
+     * @param active true to activate the platform, false to deactivate
+     */
     public void setIsActive(Boolean active) {
         this.isActive = active;
     }
diff --git a/src/main/java/group/goforward/battlbuilder/model/Product.java b/src/main/java/group/goforward/battlbuilder/model/Product.java
index 7b20308..73734e2 100644
--- a/src/main/java/group/goforward/battlbuilder/model/Product.java
+++ b/src/main/java/group/goforward/battlbuilder/model/Product.java
@@ -29,125 +29,194 @@ import java.util.HashSet;
         " LEFT JOIN FETCH p.offers o" +
         " WHERE p.platform = :platform" +
         " AND p.deletedAt IS NULL")
+/**
+ * Entity representing a product in the system.
+ * This class stores product information including brand, classification, pricing,
+ * images, and administrative settings. Products can be associated with multiple
+ * offers from different merchants.
+ *
+ * @see jakarta.persistence.Entity
+ */
 public class Product {
 
+    /** The primary key identifier for the product. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
     private Integer id;
 
+    /** A unique identifier (UUID) for the product. */
     @Column(name = "uuid", nullable = false, updatable = false)
     private UUID uuid;
 
+    /** The brand that manufactures this product. */
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "brand_id", nullable = false)
     private Brand brand;
 
+    /** The product name. */
     @Column(name = "name", nullable = false)
     private String name;
 
+    /** The URL-friendly slug for the product. */
     @Column(name = "slug", nullable = false)
     private String slug;
 
+    /** The Manufacturer Part Number (MPN). */
     @Column(name = "mpn")
     private String mpn;
 
+    /** The Universal Product Code (UPC). */
     @Column(name = "upc")
     private String upc;
 
+    /** The platform this product is designed for (e.g., "AR-15", "AK-47"). */
     @Column(name = "platform")
     private String platform;
 
+    /** The role/function of this part in a build (e.g., "upper_receiver", "barrel"). */
     @Column(name = "part_role")
     private String partRole;
 
     // --- classification provenance ---
 
+    /** The source of the part role classification. */
     @Enumerated(EnumType.STRING)
     @Column(name = "part_role_source", nullable = false)
     private PartRoleSource partRoleSource = PartRoleSource.UNKNOWN;
 
+    /** The version of the classifier used to classify this product. */
     @Column(name = "classifier_version", length = 32)
     private String classifierVersion;
 
+    /** The reason for the classification decision. */
     @Column(name = "classification_reason", length = 512)
     private String classificationReason;
 
+    /** The timestamp when this product was classified. */
     @Column(name = "classified_at")
     private Instant classifiedAt;
 
+    /** Whether the part role is locked from automatic reclassification. */
     @Column(name = "part_role_locked", nullable = false)
     private Boolean partRoleLocked = false;
 
+    /** The product configuration type. */
     @Column(name = "configuration")
     @Enumerated(EnumType.STRING)
     private ProductConfiguration configuration;
 
+    /** A short description of the product. */
     @Column(name = "short_description")
     private String shortDescription;
 
+    /** A detailed description of the product. */
     @Column(name = "description")
     private String description;
 
+    /** The URL of the main product image. */
     @Column(name = "main_image_url")
     private String mainImageUrl;
 
+    /** The URL of the BattlBuilder-hosted image. */
     @Column(name = "battl_image_url")
     private String battlImageUrl;
 
+    /** The timestamp when this product was created. */
     @Column(name = "created_at", nullable = false)
     private Instant createdAt;
 
+    /** The timestamp when this product was last updated. */
     @Column(name = "updated_at")
     private Instant updatedAt;
 
+    /** The timestamp when this product was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private Instant deletedAt;
 
+    /** The raw category key from the import source. */
     @Column(name = "raw_category_key")
     private String rawCategoryKey;
 
+    /** Whether the platform assignment is locked from automatic changes. */
     @Column(name = "platform_locked", nullable = false)
     private Boolean platformLocked = false;
 
+    /** The import status of this product. */
     @Enumerated(EnumType.STRING)
     @Column(name = "import_status", nullable = false)
     private ImportStatus importStatus = ImportStatus.MAPPED;
 
+    /** The set of offers available for this product from various merchants. */
     @OneToMany(mappedBy = "product", fetch = FetchType.LAZY)
     private Set<ProductOffer> offers = new HashSet<>();
 
+    /** The caliber this product is designed for. */
     @Column(name = "caliber")
     private String caliber;
 
+    /**
+     * Gets the caliber this product is designed for.
+     *
+     * @return the caliber, or null if not set
+     */
     public String getCaliber() { return caliber; }
+
+    /**
+     * Sets the caliber this product is designed for.
+     *
+     * @param caliber the caliber to set
+     */
     public void setCaliber(String caliber) { this.caliber = caliber; }
 
+    /** The caliber group this product belongs to. */
     @Column(name = "caliber_group")
     private String caliberGroup;
 
+    /**
+     * Gets the caliber group this product belongs to.
+     *
+     * @return the caliber group, or null if not set
+     */
     public String getCaliberGroup() { return caliberGroup; }
+
+    /**
+     * Sets the caliber group this product belongs to.
+     *
+     * @param caliberGroup the caliber group to set
+     */
     public void setCaliberGroup(String caliberGroup) { this.caliberGroup = caliberGroup; }
 
     /* Admin Management */
+
+    /** The visibility status of this product. */
     @Enumerated(EnumType.STRING)
     @Column(name = "visibility", nullable = false)
     private ProductVisibility visibility = ProductVisibility.PUBLIC;
 
+    /** Whether this product is eligible to be used in the builder. */
     @Column(name = "builder_eligible", nullable = false)
     private Boolean builderEligible = true;
 
+    /** Whether this product is locked by an administrator. */
     @Column(name = "admin_locked", nullable = false)
     private Boolean adminLocked = false;
 
+    /** The status of this product. */
     @Enumerated(EnumType.STRING)
     @Column(name = "status", nullable = false)
     private ProductStatus status = ProductStatus.ACTIVE;
 
+    /** Administrative notes about this product. */
     @Column(name = "admin_note")
     private String adminNote;
 
     // --- lifecycle hooks ---
+
+    /**
+     * Lifecycle hook called before persisting a new entity.
+     * Initializes the UUID and timestamps if not already set.
+     */
     @PrePersist
     public void prePersist() {
         if (uuid == null) uuid = UUID.randomUUID();
@@ -156,122 +225,476 @@ public class Product {
         if (updatedAt == null) updatedAt = now;
     }
 
+    /**
+     * Lifecycle hook called before updating an existing entity.
+     * Updates the updatedAt timestamp.
+     */
     @PreUpdate
     public void preUpdate() {
         updatedAt = Instant.now();
     }
 
     // --- getters & setters ---
+
+    /**
+     * Gets the primary key identifier for the product.
+     *
+     * @return the product ID
+     */
     public Integer getId() { return id; }
+
+    /**
+     * Sets the primary key identifier for the product.
+     *
+     * @param id the product ID to set
+     */
     public void setId(Integer id) { this.id = id; }
 
+    /**
+     * Gets the unique identifier (UUID) for the product.
+     *
+     * @return the product UUID
+     */
     public UUID getUuid() { return uuid; }
+
+    /**
+     * Sets the unique identifier (UUID) for the product.
+     *
+     * @param uuid the product UUID to set
+     */
     public void setUuid(UUID uuid) { this.uuid = uuid; }
 
+    /**
+     * Gets the brand that manufactures this product.
+     *
+     * @return the brand
+     */
     public Brand getBrand() { return brand; }
+
+    /**
+     * Sets the brand that manufactures this product.
+     *
+     * @param brand the brand to set
+     */
     public void setBrand(Brand brand) { this.brand = brand; }
 
+    /**
+     * Gets the product name.
+     *
+     * @return the product name
+     */
     public String getName() { return name; }
+
+    /**
+     * Sets the product name.
+     *
+     * @param name the product name to set
+     */
     public void setName(String name) { this.name = name; }
 
+    /**
+     * Gets the URL-friendly slug for the product.
+     *
+     * @return the slug
+     */
     public String getSlug() { return slug; }
+
+    /**
+     * Sets the URL-friendly slug for the product.
+     *
+     * @param slug the slug to set
+     */
     public void setSlug(String slug) { this.slug = slug; }
 
+    /**
+     * Gets the Manufacturer Part Number (MPN).
+     *
+     * @return the MPN, or null if not set
+     */
     public String getMpn() { return mpn; }
+
+    /**
+     * Sets the Manufacturer Part Number (MPN).
+     *
+     * @param mpn the MPN to set
+     */
     public void setMpn(String mpn) { this.mpn = mpn; }
 
+    /**
+     * Gets the Universal Product Code (UPC).
+     *
+     * @return the UPC, or null if not set
+     */
     public String getUpc() { return upc; }
+
+    /**
+     * Sets the Universal Product Code (UPC).
+     *
+     * @param upc the UPC to set
+     */
     public void setUpc(String upc) { this.upc = upc; }
 
+    /**
+     * Gets the platform this product is designed for.
+     *
+     * @return the platform (e.g., "AR-15", "AK-47"), or null if not set
+     */
     public String getPlatform() { return platform; }
+
+    /**
+     * Sets the platform this product is designed for.
+     *
+     * @param platform the platform to set
+     */
     public void setPlatform(String platform) { this.platform = platform; }
 
+    /**
+     * Gets the role/function of this part in a build.
+     *
+     * @return the part role (e.g., "upper_receiver", "barrel"), or null if not set
+     */
     public String getPartRole() { return partRole; }
+
+    /**
+     * Sets the role/function of this part in a build.
+     *
+     * @param partRole the part role to set
+     */
     public void setPartRole(String partRole) { this.partRole = partRole; }
 
+    /**
+     * Gets the product configuration type.
+     *
+     * @return the configuration, or null if not set
+     */
     public ProductConfiguration getConfiguration() { return configuration; }
+
+    /**
+     * Sets the product configuration type.
+     *
+     * @param configuration the configuration to set
+     */
     public void setConfiguration(ProductConfiguration configuration) {
         this.configuration = configuration;
     }
 
+    /**
+     * Gets the short description of the product.
+     *
+     * @return the short description, or null if not set
+     */
     public String getShortDescription() { return shortDescription; }
+
+    /**
+     * Sets the short description of the product.
+     *
+     * @param shortDescription the short description to set
+     */
     public void setShortDescription(String shortDescription) {
         this.shortDescription = shortDescription;
     }
 
+    /**
+     * Gets the detailed description of the product.
+     *
+     * @return the description, or null if not set
+     */
     public String getDescription() { return description; }
+
+    /**
+     * Sets the detailed description of the product.
+     *
+     * @param description the description to set
+     */
     public void setDescription(String description) {
         this.description = description;
     }
 
+    /**
+     * Gets the URL of the main product image.
+     *
+     * @return the main image URL, or null if not set
+     */
     public String getMainImageUrl() { return mainImageUrl; }
+
+    /**
+     * Sets the URL of the main product image.
+     *
+     * @param mainImageUrl the main image URL to set
+     */
     public void setMainImageUrl(String mainImageUrl) {
         this.mainImageUrl = mainImageUrl;
     }
 
+    /**
+     * Gets the URL of the BattlBuilder-hosted image.
+     *
+     * @return the Battl image URL, or null if not set
+     */
     public String getBattlImageUrl() {return battlImageUrl;  }
 
+    /**
+     * Sets the URL of the BattlBuilder-hosted image.
+     *
+     * @param battlImageUrl the Battl image URL to set
+     */
     public void setBattlImageUrl(String battlImageUrl) {this.battlImageUrl = battlImageUrl; }
+
+    /**
+     * Gets the timestamp when this product was created.
+     *
+     * @return the creation timestamp
+     */
     public Instant getCreatedAt() { return createdAt; }
+
+    /**
+     * Sets the timestamp when this product was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
 
+    /**
+     * Gets the timestamp when this product was last updated.
+     *
+     * @return the last update timestamp, or null if not set
+     */
     public Instant getUpdatedAt() { return updatedAt; }
+
+    /**
+     * Sets the timestamp when this product was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(Instant updatedAt) { this.updatedAt = updatedAt; }
 
+    /**
+     * Gets the timestamp when this product was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the product is not deleted
+     */
     public Instant getDeletedAt() { return deletedAt; }
+
+    /**
+     * Sets the timestamp when this product was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(Instant deletedAt) { this.deletedAt = deletedAt; }
 
+    /**
+     * Gets whether the platform assignment is locked.
+     *
+     * @return true if the platform is locked, false otherwise
+     */
     public Boolean getPlatformLocked() { return platformLocked; }
+
+    /**
+     * Sets whether the platform assignment is locked.
+     *
+     * @param platformLocked true to lock the platform, false to unlock
+     */
     public void setPlatformLocked(Boolean platformLocked) {
         this.platformLocked = platformLocked;
     }
 
+    /**
+     * Gets the raw category key from the import source.
+     *
+     * @return the raw category key, or null if not set
+     */
     public String getRawCategoryKey() { return rawCategoryKey; }
+
+    /**
+     * Sets the raw category key from the import source.
+     *
+     * @param rawCategoryKey the raw category key to set
+     */
     public void setRawCategoryKey(String rawCategoryKey) {
         this.rawCategoryKey = rawCategoryKey;
     }
 
+    /**
+     * Gets the import status of this product.
+     *
+     * @return the import status
+     */
     public ImportStatus getImportStatus() { return importStatus; }
+
+    /**
+     * Sets the import status of this product.
+     *
+     * @param importStatus the import status to set
+     */
     public void setImportStatus(ImportStatus importStatus) {
         this.importStatus = importStatus;
     }
 
+    /**
+     * Gets the set of offers available for this product.
+     *
+     * @return the set of product offers
+     */
     public Set<ProductOffer> getOffers() { return offers; }
+
+    /**
+     * Sets the set of offers available for this product.
+     *
+     * @param offers the set of product offers to set
+     */
     public void setOffers(Set<ProductOffer> offers) { this.offers = offers; }
 
+    /**
+     * Gets the source of the part role classification.
+     *
+     * @return the part role source
+     */
     public PartRoleSource getPartRoleSource() { return partRoleSource; }
+
+    /**
+     * Sets the source of the part role classification.
+     *
+     * @param partRoleSource the part role source to set
+     */
     public void setPartRoleSource(PartRoleSource partRoleSource) { this.partRoleSource = partRoleSource; }
 
+    /**
+     * Gets the version of the classifier used to classify this product.
+     *
+     * @return the classifier version, or null if not set
+     */
     public String getClassifierVersion() { return classifierVersion; }
+
+    /**
+     * Sets the version of the classifier used to classify this product.
+     *
+     * @param classifierVersion the classifier version to set
+     */
     public void setClassifierVersion(String classifierVersion) { this.classifierVersion = classifierVersion; }
 
+    /**
+     * Gets the reason for the classification decision.
+     *
+     * @return the classification reason, or null if not set
+     */
     public String getClassificationReason() { return classificationReason; }
+
+    /**
+     * Sets the reason for the classification decision.
+     *
+     * @param classificationReason the classification reason to set
+     */
     public void setClassificationReason(String classificationReason) { this.classificationReason = classificationReason; }
 
+    /**
+     * Gets the timestamp when this product was classified.
+     *
+     * @return the classification timestamp, or null if not set
+     */
     public Instant getClassifiedAt() { return classifiedAt; }
+
+    /**
+     * Sets the timestamp when this product was classified.
+     *
+     * @param classifiedAt the classification timestamp to set
+     */
     public void setClassifiedAt(Instant classifiedAt) { this.classifiedAt = classifiedAt; }
 
+    /**
+     * Gets whether the part role is locked from automatic reclassification.
+     *
+     * @return true if the part role is locked, false otherwise
+     */
     public Boolean getPartRoleLocked() { return partRoleLocked; }
+
+    /**
+     * Sets whether the part role is locked from automatic reclassification.
+     *
+     * @param partRoleLocked true to lock the part role, false to unlock
+     */
     public void setPartRoleLocked(Boolean partRoleLocked) { this.partRoleLocked = partRoleLocked; }
 
 
     // --- Admin Getters/setters
+
+    /**
+     * Gets the visibility status of this product.
+     *
+     * @return the visibility status
+     */
     public ProductVisibility getVisibility() { return visibility; }
+
+    /**
+     * Sets the visibility status of this product.
+     *
+     * @param visibility the visibility status to set
+     */
     public void setVisibility(ProductVisibility visibility) { this.visibility = visibility; }
 
+    /**
+     * Gets whether this product is eligible to be used in the builder.
+     *
+     * @return true if builder eligible, false otherwise
+     */
     public Boolean getBuilderEligible() { return builderEligible; }
+
+    /**
+     * Sets whether this product is eligible to be used in the builder.
+     *
+     * @param builderEligible true to make builder eligible, false otherwise
+     */
     public void setBuilderEligible(Boolean builderEligible) { this.builderEligible = builderEligible; }
 
+    /**
+     * Gets whether this product is locked by an administrator.
+     *
+     * @return true if admin locked, false otherwise
+     */
     public Boolean getAdminLocked() { return adminLocked; }
+
+    /**
+     * Sets whether this product is locked by an administrator.
+     *
+     * @param adminLocked true to lock the product, false to unlock
+     */
     public void setAdminLocked(Boolean adminLocked) { this.adminLocked = adminLocked; }
 
+    /**
+     * Gets the status of this product.
+     *
+     * @return the product status
+     */
     public ProductStatus getStatus() { return status; }
+
+    /**
+     * Sets the status of this product.
+     *
+     * @param status the product status to set
+     */
     public void setStatus(ProductStatus status) { this.status = status; }
 
+    /**
+     * Gets the administrative notes about this product.
+     *
+     * @return the admin note, or null if not set
+     */
     public String getAdminNote() { return adminNote; }
+
+    /**
+     * Sets the administrative notes about this product.
+     *
+     * @param adminNote the admin note to set
+     */
     public void setAdminNote(String adminNote) { this.adminNote = adminNote; }
+
     // --- computed helpers ---
 
+    /**
+     * Gets the best (lowest) offer price for this product.
+     * Compares sale prices first, then retail prices if sale price is not available.
+     *
+     * @return the best offer price, or BigDecimal.ZERO if no offers are available
+     */
     public BigDecimal getBestOfferPrice() {
         if (offers == null || offers.isEmpty()) return BigDecimal.ZERO;
 
@@ -284,6 +707,12 @@ public class Product {
                 .orElse(BigDecimal.ZERO);
     }
 
+    /**
+     * Gets the affiliate URL for the best (lowest priced) offer.
+     * Compares sale prices first, then retail prices if sale price is not available.
+     *
+     * @return the affiliate URL for the best offer, or null if no offers are available
+     */
     public String getBestOfferBuyUrl() {
         if (offers == null || offers.isEmpty()) return null;
 
diff --git a/src/main/java/group/goforward/battlbuilder/model/ProductOffer.java b/src/main/java/group/goforward/battlbuilder/model/ProductOffer.java
index 7219cce..10d145b 100644
--- a/src/main/java/group/goforward/battlbuilder/model/ProductOffer.java
+++ b/src/main/java/group/goforward/battlbuilder/model/ProductOffer.java
@@ -8,54 +8,74 @@ import org.hibernate.annotations.OnDeleteAction;
 import java.math.BigDecimal;
 import java.time.OffsetDateTime;
 
+/**
+ * Entity representing a product offer from a merchant.
+ * An offer contains pricing information, availability, and purchase URL for a product
+ * from a specific merchant. Products can have multiple offers from different merchants.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "product_offers")
 public class ProductOffer {
 
+    /** The primary key identifier for the offer. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
     private Integer id;
 
+    /** The product this offer is for. */
     @ManyToOne(fetch = FetchType.LAZY, optional = false)
     @OnDelete(action = OnDeleteAction.CASCADE)
     @JoinColumn(name = "product_id", nullable = false)
     private Product product;
 
+    /** The merchant offering this product. */
     @ManyToOne(fetch = FetchType.LAZY, optional = false)
     @JoinColumn(name = "merchant_id", nullable = false)
     private Merchant merchant;
 
+    /** The AvantLink product ID for this offer. */
     @Column(name = "avantlink_product_id", nullable = false)
     private String avantlinkProductId;
 
+    /** The SKU (Stock Keeping Unit) for this offer. */
     @Column(name = "sku")
     private String sku;
 
+    /** The UPC (Universal Product Code) for this offer. */
     @Column(name = "upc")
     private String upc;
 
+    /** The URL to purchase this product from the merchant. */
     @Column(name = "buy_url", nullable = false)
     private String buyUrl;
 
+    /** The current price of the product. */
     @Column(name = "price", nullable = false, precision = 10, scale = 2)
     private BigDecimal price;
 
+    /** The original/retail price before any discounts. */
     @Column(name = "original_price", precision = 10, scale = 2)
     private BigDecimal originalPrice;
 
+    /** The currency code (e.g., "USD"). Defaults to "USD". */
     @ColumnDefault("'USD'")
     @Column(name = "currency", nullable = false)
     private String currency;
 
+    /** Whether the product is currently in stock. Defaults to false. */
     @ColumnDefault("true")
     @Column(name = "in_stock", nullable = false)
     private Boolean inStock = false;
 
+    /** The timestamp when this offer was last seen/updated. */
     @ColumnDefault("now()")
     @Column(name = "last_seen_at", nullable = false)
     private OffsetDateTime lastSeenAt;
 
+    /** The timestamp when this offer was first seen/created. */
     @ColumnDefault("now()")
     @Column(name = "first_seen_at", nullable = false)
     private OffsetDateTime firstSeenAt;
@@ -64,106 +84,236 @@ public class ProductOffer {
     // Getters & setters
     // -----------------------------------------------------
 
+    /**
+     * Gets the primary key identifier for the offer.
+     *
+     * @return the offer ID
+     */
     public Integer getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the offer.
+     *
+     * @param id the offer ID to set
+     */
     public void setId(Integer id) {
         this.id = id;
     }
 
+    /**
+     * Gets the product this offer is for.
+     *
+     * @return the product
+     */
     public Product getProduct() {
         return product;
     }
 
+    /**
+     * Sets the product this offer is for.
+     *
+     * @param product the product to set
+     */
     public void setProduct(Product product) {
         this.product = product;
     }
 
+    /**
+     * Gets the merchant offering this product.
+     *
+     * @return the merchant
+     */
     public Merchant getMerchant() {
         return merchant;
     }
 
+    /**
+     * Sets the merchant offering this product.
+     *
+     * @param merchant the merchant to set
+     */
     public void setMerchant(Merchant merchant) {
         this.merchant = merchant;
     }
 
+    /**
+     * Gets the AvantLink product ID for this offer.
+     *
+     * @return the AvantLink product ID
+     */
     public String getAvantlinkProductId() {
         return avantlinkProductId;
     }
 
+    /**
+     * Sets the AvantLink product ID for this offer.
+     *
+     * @param avantlinkProductId the AvantLink product ID to set
+     */
     public void setAvantlinkProductId(String avantlinkProductId) {
         this.avantlinkProductId = avantlinkProductId;
     }
 
+    /**
+     * Gets the SKU (Stock Keeping Unit) for this offer.
+     *
+     * @return the SKU, or null if not set
+     */
     public String getSku() {
         return sku;
     }
 
+    /**
+     * Sets the SKU (Stock Keeping Unit) for this offer.
+     *
+     * @param sku the SKU to set
+     */
     public void setSku(String sku) {
         this.sku = sku;
     }
 
+    /**
+     * Gets the UPC (Universal Product Code) for this offer.
+     *
+     * @return the UPC, or null if not set
+     */
     public String getUpc() {
         return upc;
     }
 
+    /**
+     * Sets the UPC (Universal Product Code) for this offer.
+     *
+     * @param upc the UPC to set
+     */
     public void setUpc(String upc) {
         this.upc = upc;
     }
 
+    /**
+     * Gets the URL to purchase this product from the merchant.
+     *
+     * @return the buy URL
+     */
     public String getBuyUrl() {
         return buyUrl;
     }
 
+    /**
+     * Sets the URL to purchase this product from the merchant.
+     *
+     * @param buyUrl the buy URL to set
+     */
     public void setBuyUrl(String buyUrl) {
         this.buyUrl = buyUrl;
     }
 
+    /**
+     * Gets the current price of the product.
+     *
+     * @return the price
+     */
     public BigDecimal getPrice() {
         return price;
     }
 
+    /**
+     * Sets the current price of the product.
+     *
+     * @param price the price to set
+     */
     public void setPrice(BigDecimal price) {
         this.price = price;
     }
 
+    /**
+     * Gets the original/retail price before any discounts.
+     *
+     * @return the original price, or null if not set
+     */
     public BigDecimal getOriginalPrice() {
         return originalPrice;
     }
 
+    /**
+     * Sets the original/retail price before any discounts.
+     *
+     * @param originalPrice the original price to set
+     */
     public void setOriginalPrice(BigDecimal originalPrice) {
         this.originalPrice = originalPrice;
     }
 
+    /**
+     * Gets the currency code.
+     *
+     * @return the currency code (e.g., "USD")
+     */
     public String getCurrency() {
         return currency;
     }
 
+    /**
+     * Sets the currency code.
+     *
+     * @param currency the currency code to set
+     */
     public void setCurrency(String currency) {
         this.currency = currency;
     }
 
+    /**
+     * Gets whether the product is currently in stock.
+     *
+     * @return true if in stock, false otherwise
+     */
     public Boolean getInStock() {
         return inStock;
     }
 
+    /**
+     * Sets whether the product is currently in stock.
+     *
+     * @param inStock true if in stock, false otherwise
+     */
     public void setInStock(Boolean inStock) {
         this.inStock = inStock;
     }
 
+    /**
+     * Gets the timestamp when this offer was last seen/updated.
+     *
+     * @return the last seen timestamp
+     */
     public OffsetDateTime getLastSeenAt() {
         return lastSeenAt;
     }
 
+    /**
+     * Sets the timestamp when this offer was last seen/updated.
+     *
+     * @param lastSeenAt the last seen timestamp to set
+     */
     public void setLastSeenAt(OffsetDateTime lastSeenAt) {
         this.lastSeenAt = lastSeenAt;
     }
 
+    /**
+     * Gets the timestamp when this offer was first seen/created.
+     *
+     * @return the first seen timestamp
+     */
     public OffsetDateTime getFirstSeenAt() {
         return firstSeenAt;
     }
 
+    /**
+     * Sets the timestamp when this offer was first seen/created.
+     *
+     * @param firstSeenAt the first seen timestamp to set
+     */
     public void setFirstSeenAt(OffsetDateTime firstSeenAt) {
         this.firstSeenAt = firstSeenAt;
     }
@@ -172,18 +322,38 @@ public class ProductOffer {
     // Helper Methods (used by Product entity)
     // -----------------------------------------------------
 
+    /**
+     * Gets the sale price (current price).
+     *
+     * @return the sale price
+     */
     public BigDecimal getSalePrice() {
         return price;
     }
 
+    /**
+     * Gets the retail price (original price if available, otherwise current price).
+     *
+     * @return the retail price
+     */
     public BigDecimal getRetailPrice() {
         return originalPrice != null ? originalPrice : price;
     }
 
+    /**
+     * Gets the affiliate URL for purchasing this product.
+     *
+     * @return the affiliate URL (same as buy URL)
+     */
     public String getAffiliateUrl() {
         return buyUrl;
     }
 
+    /**
+     * Gets the effective price (sale price if lower than original, otherwise current price).
+     *
+     * @return the effective price
+     */
     public BigDecimal getEffectivePrice() {
         if (price != null && originalPrice != null && price.compareTo(originalPrice) < 0) {
             return price;
diff --git a/src/main/java/group/goforward/battlbuilder/model/User.java b/src/main/java/group/goforward/battlbuilder/model/User.java
index f504e7f..3a32019 100644
--- a/src/main/java/group/goforward/battlbuilder/model/User.java
+++ b/src/main/java/group/goforward/battlbuilder/model/User.java
@@ -7,90 +7,116 @@ import org.hibernate.annotations.ColumnDefault;
 import java.time.OffsetDateTime;
 import java.util.UUID;
 
+/**
+ * Entity representing a user in the system.
+ * This class stores user authentication, profile, and account management information
+ * including email verification, password reset tokens, login tracking, and Terms of Service acceptance.
+ *
+ * @see jakarta.persistence.Entity
+ */
 @Entity
 @Table(name = "users")
 public class User {
 
+    /** The primary key identifier for the user. */
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id", nullable = false)
     private Integer id;
 
+    /** A unique identifier (UUID) for the user. */
     @NotNull
     @ColumnDefault("gen_random_uuid()")
     @Column(name = "uuid", nullable = false)
     private UUID uuid;
 
+    /** The user's email address. */
     @NotNull
     @Column(name = "email", nullable = false, length = Integer.MAX_VALUE)
     private String email;
 
-    // password can be null for magic-link / beta users
+    /** The hashed password. Can be null for magic-link or beta users. */
     @Column(name = "password_hash", length = Integer.MAX_VALUE, nullable = true)
     private String passwordHash;
 
+    /** The user's display name. */
     @Column(name = "display_name", length = Integer.MAX_VALUE)
     private String displayName;
 
+    /** The user's role (e.g., "USER", "ADMIN"). Defaults to "USER". */
     @NotNull
     @ColumnDefault("'USER'")
     @Column(name = "role", nullable = false, length = Integer.MAX_VALUE)
     private String role;
 
+    /** Whether the user account is active. Defaults to true. */
     @NotNull
     @ColumnDefault("true")
     @Column(name = "is_active", nullable = false)
     private boolean isActive = true;
 
+    /** The timestamp when the user account was created. */
     @NotNull
     @ColumnDefault("now()")
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
+    /** The timestamp when the user account was last updated. */
     @NotNull
     @ColumnDefault("now()")
     @Column(name = "updated_at", nullable = false)
     private OffsetDateTime updatedAt;
 
+    /** The timestamp when the user account was soft-deleted (null if not deleted). */
     @Column(name = "deleted_at")
     private OffsetDateTime deletedAt;
 
-    // NEW FIELDS
-
+    /** The timestamp when the user's email was verified. */
     @Column(name = "email_verified_at")
     private OffsetDateTime emailVerifiedAt;
 
+    /** The token used for email verification. */
     @Column(name = "verification_token", length = Integer.MAX_VALUE)
     private String verificationToken;
 
+    /** The token used for password reset. */
     @Column(name = "reset_password_token", length = Integer.MAX_VALUE)
     private String resetPasswordToken;
 
+    /** The expiration timestamp for the password reset token. */
     @Column(name = "reset_password_expires_at")
     private OffsetDateTime resetPasswordExpiresAt;
 
+    /** The timestamp of the user's last login. */
     @Column(name = "last_login_at")
     private OffsetDateTime lastLoginAt;
 
+    /** The total number of times the user has logged in. Defaults to 0. */
     @ColumnDefault("0")
     @Column(name = "login_count", nullable = false)
     private Integer loginCount = 0;
 
+    /** The timestamp when the user accepted the Terms of Service. */
     @Column(name = "tos_accepted_at")
     private OffsetDateTime tosAcceptedAt;
 
+    /** The version of the Terms of Service that was accepted. */
     @Column(name = "tos_version", length = 32)
     private String tosVersion;
 
+    /** The IP address from which the Terms of Service were accepted. */
     @Column(name = "tos_ip", length = 64)
     private String tosIp;
 
+    /** The user agent string from when the Terms of Service were accepted. */
     @Column(name = "tos_user_agent", columnDefinition = "TEXT")
     private String tosUserAgent;
 
+    /** The user's username. */
     @Column(name = "username", length = 32)
     private String username;
 
+    /** The timestamp when the user's password was last set. */
     @Column(name = "password_set_at")
     private OffsetDateTime passwordSetAt;
 
@@ -98,179 +124,410 @@ public class User {
 
     // --- Getters / setters ---
 
+    /**
+     * Gets the primary key identifier for the user.
+     *
+     * @return the user ID
+     */
     public Integer getId() {
         return id;
     }
 
+    /**
+     * Sets the primary key identifier for the user.
+     *
+     * @param id the user ID to set
+     */
     public void setId(Integer id) {
         this.id = id;
     }
 
+    /**
+     * Gets the unique identifier (UUID) for the user.
+     *
+     * @return the user UUID
+     */
     public UUID getUuid() {
         return uuid;
     }
 
+    /**
+     * Sets the unique identifier (UUID) for the user.
+     *
+     * @param uuid the user UUID to set
+     */
     public void setUuid(UUID uuid) {
         this.uuid = uuid;
     }
 
+    /**
+     * Gets the user's email address.
+     *
+     * @return the email address
+     */
     public String getEmail() {
         return email;
     }
 
+    /**
+     * Sets the user's email address.
+     *
+     * @param email the email address to set
+     */
     public void setEmail(String email) {
         this.email = email;
     }
 
+    /**
+     * Gets the hashed password.
+     *
+     * @return the password hash, or null if not set (e.g., for magic-link users)
+     */
     public String getPasswordHash() {
         return passwordHash;
     }
 
+    /**
+     * Sets the hashed password.
+     *
+     * @param passwordHash the password hash to set
+     */
     public void setPasswordHash(String passwordHash) {
         this.passwordHash = passwordHash;
     }
 
+    /**
+     * Gets the user's display name.
+     *
+     * @return the display name, or null if not set
+     */
     public String getDisplayName() {
         return displayName;
     }
 
+    /**
+     * Sets the user's display name.
+     *
+     * @param displayName the display name to set
+     */
     public void setDisplayName(String displayName) {
         this.displayName = displayName;
     }
 
+    /**
+     * Gets the user's role.
+     *
+     * @return the role (e.g., "USER", "ADMIN")
+     */
     public String getRole() {
         return role;
     }
 
+    /**
+     * Sets the user's role.
+     *
+     * @param role the role to set
+     */
     public void setRole(String role) {
         this.role = role;
     }
 
+    /**
+     * Checks if the user account is active.
+     *
+     * @return true if the account is active, false otherwise
+     */
     public boolean isActive() { return isActive; }
 
+    /**
+     * Sets whether the user account is active.
+     *
+     * @param active true to activate the account, false to deactivate
+     */
     public void setActive(boolean active) { this.isActive = active; }
 
+    /**
+     * Gets the timestamp when the user account was created.
+     *
+     * @return the creation timestamp
+     */
     public OffsetDateTime getCreatedAt() {
         return createdAt;
     }
 
+    /**
+     * Sets the timestamp when the user account was created.
+     *
+     * @param createdAt the creation timestamp to set
+     */
     public void setCreatedAt(OffsetDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
+    /**
+     * Gets the timestamp when the user account was last updated.
+     *
+     * @return the last update timestamp
+     */
     public OffsetDateTime getUpdatedAt() {
         return updatedAt;
     }
 
+    /**
+     * Sets the timestamp when the user account was last updated.
+     *
+     * @param updatedAt the last update timestamp to set
+     */
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
 
+    /**
+     * Gets the timestamp when the user account was soft-deleted.
+     *
+     * @return the deletion timestamp, or null if the account is not deleted
+     */
     public OffsetDateTime getDeletedAt() {
         return deletedAt;
     }
 
+    /**
+     * Sets the timestamp when the user account was soft-deleted.
+     *
+     * @param deletedAt the deletion timestamp to set (null to mark as not deleted)
+     */
     public void setDeletedAt(OffsetDateTime deletedAt) {
         this.deletedAt = deletedAt;
     }
 
+    /**
+     * Gets the timestamp when the user's email was verified.
+     *
+     * @return the email verification timestamp, or null if not verified
+     */
     public OffsetDateTime getEmailVerifiedAt() {
         return emailVerifiedAt;
     }
 
+    /**
+     * Sets the timestamp when the user's email was verified.
+     *
+     * @param emailVerifiedAt the email verification timestamp to set
+     */
     public void setEmailVerifiedAt(OffsetDateTime emailVerifiedAt) {
         this.emailVerifiedAt = emailVerifiedAt;
     }
 
+    /**
+     * Gets the token used for email verification.
+     *
+     * @return the verification token, or null if not set
+     */
     public String getVerificationToken() {
         return verificationToken;
     }
 
+    /**
+     * Sets the token used for email verification.
+     *
+     * @param verificationToken the verification token to set
+     */
     public void setVerificationToken(String verificationToken) {
         this.verificationToken = verificationToken;
     }
 
+    /**
+     * Gets the token used for password reset.
+     *
+     * @return the password reset token, or null if not set
+     */
     public String getResetPasswordToken() {
         return resetPasswordToken;
     }
 
+    /**
+     * Sets the token used for password reset.
+     *
+     * @param resetPasswordToken the password reset token to set
+     */
     public void setResetPasswordToken(String resetPasswordToken) {
         this.resetPasswordToken = resetPasswordToken;
     }
 
+    /**
+     * Gets the expiration timestamp for the password reset token.
+     *
+     * @return the expiration timestamp, or null if not set
+     */
     public OffsetDateTime getResetPasswordExpiresAt() {
         return resetPasswordExpiresAt;
     }
 
+    /**
+     * Sets the expiration timestamp for the password reset token.
+     *
+     * @param resetPasswordExpiresAt the expiration timestamp to set
+     */
     public void setResetPasswordExpiresAt(OffsetDateTime resetPasswordExpiresAt) {
         this.resetPasswordExpiresAt = resetPasswordExpiresAt;
     }
 
+    /**
+     * Gets the timestamp of the user's last login.
+     *
+     * @return the last login timestamp, or null if the user has never logged in
+     */
     public OffsetDateTime getLastLoginAt() {
         return lastLoginAt;
     }
 
+    /**
+     * Sets the timestamp of the user's last login.
+     *
+     * @param lastLoginAt the last login timestamp to set
+     */
     public void setLastLoginAt(OffsetDateTime lastLoginAt) {
         this.lastLoginAt = lastLoginAt;
     }
 
+    /**
+     * Gets the total number of times the user has logged in.
+     *
+     * @return the login count
+     */
     public Integer getLoginCount() {
         return loginCount;
     }
 
+    /**
+     * Sets the total number of times the user has logged in.
+     *
+     * @param loginCount the login count to set
+     */
     public void setLoginCount(Integer loginCount) {
         this.loginCount = loginCount;
     }
 
+    /**
+     * Gets the user's username.
+     *
+     * @return the username, or null if not set
+     */
     public String getUsername() { return username; }
+
+    /**
+     * Sets the user's username.
+     *
+     * @param username the username to set
+     */
     public void setUsername(String username) { this.username = username; }
 
 
     // --- ToS acceptance ---
 
+    /**
+     * Gets the timestamp when the user accepted the Terms of Service.
+     *
+     * @return the ToS acceptance timestamp, or null if not accepted
+     */
     public OffsetDateTime getTosAcceptedAt() {
         return tosAcceptedAt;
     }
 
+    /**
+     * Sets the timestamp when the user accepted the Terms of Service.
+     *
+     * @param tosAcceptedAt the ToS acceptance timestamp to set
+     */
     public void setTosAcceptedAt(OffsetDateTime tosAcceptedAt) {
         this.tosAcceptedAt = tosAcceptedAt;
     }
 
+    /**
+     * Gets the version of the Terms of Service that was accepted.
+     *
+     * @return the ToS version, or null if not set
+     */
     public String getTosVersion() {
         return tosVersion;
     }
 
+    /**
+     * Sets the version of the Terms of Service that was accepted.
+     *
+     * @param tosVersion the ToS version to set
+     */
     public void setTosVersion(String tosVersion) {
         this.tosVersion = tosVersion;
     }
 
+    /**
+     * Gets the IP address from which the Terms of Service were accepted.
+     *
+     * @return the IP address, or null if not set
+     */
     public String getTosIp() {
         return tosIp;
     }
 
+    /**
+     * Sets the IP address from which the Terms of Service were accepted.
+     *
+     * @param tosIp the IP address to set
+     */
     public void setTosIp(String tosIp) {
         this.tosIp = tosIp;
     }
 
+    /**
+     * Gets the user agent string from when the Terms of Service were accepted.
+     *
+     * @return the user agent string, or null if not set
+     */
     public String getTosUserAgent() {
         return tosUserAgent;
     }
 
+    /**
+     * Sets the user agent string from when the Terms of Service were accepted.
+     *
+     * @param tosUserAgent the user agent string to set
+     */
     public void setTosUserAgent(String tosUserAgent) {
         this.tosUserAgent = tosUserAgent;
     }
 
+    /**
+     * Gets the timestamp when the user's password was last set.
+     *
+     * @return the password set timestamp, or null if not set
+     */
     public OffsetDateTime getPasswordSetAt() { return passwordSetAt; }
+
+    /**
+     * Sets the timestamp when the user's password was last set.
+     *
+     * @param passwordSetAt the password set timestamp to set
+     */
     public void setPasswordSetAt(OffsetDateTime passwordSetAt) { this.passwordSetAt = passwordSetAt; }
 
 
     // convenience helpers
 
+    /**
+     * Checks if the user's email has been verified.
+     *
+     * @return true if the email is verified (emailVerifiedAt is not null), false otherwise
+     */
     @Transient
     public boolean isEmailVerified() {
         return emailVerifiedAt != null;
     }
 
+    /**
+     * Increments the login count by one.
+     * If the login count is null, it is initialized to 0 before incrementing.
+     */
     public void incrementLoginCount() {
         if (loginCount == null) {
             loginCount = 0;