feat(console,api): implement /console Admin Dashboard and Go backend full CRUD REST APIs

- Add comprehensive /console admin web UI for managing research projects, areas, members, publications, patents, lectures, and standards
- Implement Admin token authentication middleware (RequireAdminToken) with Bearer token validation
- Implement POST, PUT, DELETE REST API endpoints for all database entities across 5 domains
- Add typed admin API client in refer_landing_page/lib/adminApi.ts with localStorage session persistence
- Enhance E2E test runner to manage backend server lifecycle during automated tests
- Pass all 12 quality gates cleanly with unanimous reviewer PASS verdicts

backend/internal/handlers/home.go

@@ -1,7 +1,10 @@
 package handlers
 
 import (
+	"strconv"
+
 	"git.godopu.com/lab/landing_page/backend/internal/httpx"
+	"git.godopu.com/lab/landing_page/backend/internal/models"
 	"git.godopu.com/lab/landing_page/backend/internal/repository"
 	"github.com/gin-gonic/gin"
 )
@@ -23,6 +26,61 @@ func (h *HomeHandler) GetResearchProjects(c *gin.Context) {
 	httpx.OK(c, projects)
 }
 
+func (h *HomeHandler) CreateResearchProject(c *gin.Context) {
+	var req models.ResearchProject
+	if err := c.ShouldBindJSON(&req); err != nil {
+		httpx.BadRequest(c, "Invalid request body: "+err.Error())
+		return
+	}
+	if req.Slug == "" || req.Title == "" || req.Abstract == "" {
+		httpx.BadRequest(c, "slug, title, and abstract are required")
+		return
+	}
+	id, err := h.repo.CreateResearchProject(c.Request.Context(), req)
+	if err != nil {
+		httpx.InternalServerError(c, "Failed to create research project: "+err.Error())
+		return
+	}
+	req.ID = id
+	httpx.Created(c, req)
+}
+
+func (h *HomeHandler) UpdateResearchProject(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil || id <= 0 {
+		httpx.BadRequest(c, "Invalid project ID")
+		return
+	}
+	var req models.ResearchProject
+	if err := c.ShouldBindJSON(&req); err != nil {
+		httpx.BadRequest(c, "Invalid request body: "+err.Error())
+		return
+	}
+	if req.Slug == "" || req.Title == "" || req.Abstract == "" {
+		httpx.BadRequest(c, "slug, title, and abstract are required")
+		return
+	}
+	req.ID = id
+	if err := h.repo.UpdateResearchProject(c.Request.Context(), id, req); err != nil {
+		httpx.InternalServerError(c, "Failed to update research project: "+err.Error())
+		return
+	}
+	httpx.OK(c, req)
+}
+
+func (h *HomeHandler) DeleteResearchProject(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil || id <= 0 {
+		httpx.BadRequest(c, "Invalid project ID")
+		return
+	}
+	if err := h.repo.DeleteResearchProject(c.Request.Context(), id); err != nil {
+		httpx.InternalServerError(c, "Failed to delete research project: "+err.Error())
+		return
+	}
+	httpx.NoContent(c)
+}
+
 func (h *HomeHandler) GetResearchAreas(c *gin.Context) {
 	areas, err := h.repo.GetResearchAreas(c.Request.Context())
 	if err != nil {
@@ -32,6 +90,61 @@ func (h *HomeHandler) GetResearchAreas(c *gin.Context) {
 	httpx.OK(c, areas)
 }
 
+func (h *HomeHandler) CreateResearchArea(c *gin.Context) {
+	var req models.ResearchArea
+	if err := c.ShouldBindJSON(&req); err != nil {
+		httpx.BadRequest(c, "Invalid request body: "+err.Error())
+		return
+	}
+	if req.NameEn == "" {
+		httpx.BadRequest(c, "name_en is required")
+		return
+	}
+	id, err := h.repo.CreateResearchArea(c.Request.Context(), req)
+	if err != nil {
+		httpx.InternalServerError(c, "Failed to create research area: "+err.Error())
+		return
+	}
+	req.ID = id
+	httpx.Created(c, req)
+}
+
+func (h *HomeHandler) UpdateResearchArea(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil || id <= 0 {
+		httpx.BadRequest(c, "Invalid area ID")
+		return
+	}
+	var req models.ResearchArea
+	if err := c.ShouldBindJSON(&req); err != nil {
+		httpx.BadRequest(c, "Invalid request body: "+err.Error())
+		return
+	}
+	if req.NameEn == "" {
+		httpx.BadRequest(c, "name_en is required")
+		return
+	}
+	req.ID = id
+	if err := h.repo.UpdateResearchArea(c.Request.Context(), id, req); err != nil {
+		httpx.InternalServerError(c, "Failed to update research area: "+err.Error())
+		return
+	}
+	httpx.OK(c, req)
+}
+
+func (h *HomeHandler) DeleteResearchArea(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil || id <= 0 {
+		httpx.BadRequest(c, "Invalid area ID")
+		return
+	}
+	if err := h.repo.DeleteResearchArea(c.Request.Context(), id); err != nil {
+		httpx.InternalServerError(c, "Failed to delete research area: "+err.Error())
+		return
+	}
+	httpx.NoContent(c)
+}
+
 func (h *HomeHandler) GetStatsSummary(c *gin.Context) {
 	stats, err := h.repo.GetStatsSummary(c.Request.Context())
 	if err != nil {