added support for a new builds/detials page and endpoints

src/main/java/group/goforward/battlbuilder/configuration/SecurityConfig.java

@@ -37,19 +37,29 @@ public class SecurityConfig {
                 .cors(c -> c.configurationSource(corsConfigurationSource()))
                 .sessionManagement(sm -> sm.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                 .authorizeHttpRequests(auth -> auth
-                        // public
+
+                        // ----------------------------
+                        // Public
+                        // ----------------------------
                         .requestMatchers("/api/auth/**").permitAll()
                         .requestMatchers("/swagger-ui/**", "/v3/api-docs/**").permitAll()
                         .requestMatchers("/actuator/health", "/actuator/info").permitAll()
                         .requestMatchers("/api/products/gunbuilder/**").permitAll()
-                        .requestMatchers(HttpMethod.GET, "/api/v1/builds").permitAll()
 
-                        // protected
+                        // Public builds feed + public build detail (1 path segment only)
+                        .requestMatchers(HttpMethod.GET, "/api/v1/builds").permitAll()
+                        .requestMatchers(HttpMethod.GET, "/api/v1/builds/*").permitAll()
+
+                        // ----------------------------
+                        // Protected
+                        // ----------------------------
                         .requestMatchers("/api/v1/builds/me/**").authenticated()
                         .requestMatchers("/api/v1/admin/**").hasRole("ADMIN")
-                        // everything else (adjust later as you lock down)
+
+                        // Everything else (adjust later as you lock down)
                         .anyRequest().permitAll()
                 )
+
                 // run JWT before AnonymousAuth sets principal="anonymousUser"
                 .addFilterBefore(jwtAuthenticationFilter, AnonymousAuthenticationFilter.class);
 

src/main/java/group/goforward/battlbuilder/controllers/BuildV1Controller.java

@@ -5,9 +5,9 @@ import group.goforward.battlbuilder.web.dto.BuildDto;
 import group.goforward.battlbuilder.web.dto.BuildFeedCardDto;
 import group.goforward.battlbuilder.web.dto.BuildSummaryDto;
 import group.goforward.battlbuilder.web.dto.UpdateBuildRequest;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.http.HttpStatus;
 
 import java.util.List;
 import java.util.UUID;
@@ -34,6 +34,15 @@ public class BuildV1Controller {
         return ResponseEntity.ok(buildService.listPublicBuilds(limit == null ? 50 : limit));
     }
 
+    /**
+     * Public build detail for /builds/{uuid}
+     * GET /api/v1/builds/{uuid}
+     */
+    @GetMapping("/{uuid}")
+    public ResponseEntity<BuildDto> getPublicBuild(@PathVariable("uuid") UUID uuid) {
+        return ResponseEntity.ok(buildService.getPublicBuild(uuid));
+    }
+
     /**
      * Vault builds (authenticated user).
      * GET /api/v1/builds/me?limit=100
@@ -75,7 +84,6 @@ public class BuildV1Controller {
         return ResponseEntity.ok(buildService.updateMyBuild(uuid, req));
     }
 
-
     /**
      * Delete a build (authenticated user; must own build).
      * DELETE /api/v1/builds/me/{uuid}

src/main/java/group/goforward/battlbuilder/repos/BuildRepository.java

@@ -17,5 +17,8 @@ public interface BuildRepository extends JpaRepository<Build, Integer> {
 
     Page<Build> findByUserIdAndDeletedAtIsNullOrderByUpdatedAtDesc(Integer userId, Pageable pageable);
 
+    Optional<Build> findByUuidAndIsPublicTrueAndDeletedAtIsNull(UUID uuid);
+
     Optional<Build> findByUuidAndDeletedAtIsNull(UUID uuid);
+
 }

src/main/java/group/goforward/battlbuilder/services/BuildService.java

@@ -20,5 +20,7 @@ public interface BuildService {
 
     BuildDto updateMyBuild(UUID uuid, UpdateBuildRequest req);
 
+    BuildDto getPublicBuild(UUID uuid);
+
     void deleteMyBuild(UUID uuid);
 }

src/main/java/group/goforward/battlbuilder/services/impl/BuildServiceImpl.java

@@ -112,6 +112,31 @@ public class BuildServiceImpl implements BuildService {
                 .toList();
     }
 
+    // ---------------------------
+// Public build detail (/builds/{uuid})
+// GET /api/v1/builds/public/{uuid}
+// ---------------------------
+    @Override
+    public BuildDto getPublicBuild(UUID uuid) {
+        if (uuid == null) throw new IllegalArgumentException("uuid is required");
+
+        Build build = buildRepository.findByUuidAndDeletedAtIsNull(uuid)
+                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Build not found"));
+
+        // Only allow public builds here (and not deleted)
+        if (!Boolean.TRUE.equals(build.getIsPublic())) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Build not found");
+        }
+
+        List<BuildItem> items = buildItemRepository.findByBuild_Id(build.getId());
+
+        BuildDto dto = toBuildDto(build, items);
+        hydrateBuildDtoItems(dto); // keep consistent with getMyBuild
+
+        return dto;
+    }
+
+
     // ---------------------------
     // Vault list (/builds/me)
     // ---------------------------

src/main/java/group/goforward/battlbuilder/services/utils/EmailService.java

@@ -7,7 +7,18 @@ public interface EmailService {
 
     EmailRequest sendEmailHtml(String recipient, String subject, String htmlBody, String textBody);
 
-    EmailRequest sendEmailHtml(String recipient, String subject, String htmlBody, String textBody, String templateKey);
+    // ✅ convenience overload for templates
+    default EmailRequest sendEmailHtml(
+            String recipient,
+            String subject,
+            String htmlBody,
+            String textBody,
+            String templateKey
+    ) {
+        EmailRequest req = sendEmailHtml(recipient, subject, htmlBody, textBody);
+        req.setTemplateKey(templateKey);
+        return req;
+    }
 
     void deleteById(Integer id);
 }