Implement remaining handlers and fix admin login

- Fix admin login bcrypt hash in database migrations
- Add static data handler (GET /api/static_data/, POST /api/static_data/refresh/)
- Add user handler (list users, get user, list profiles in shared residences)
- Add generate tasks report endpoint for residences
- Remove all placeholder handlers from router
- Add seeding documentation to README

New files:
- internal/handlers/static_data_handler.go
- internal/handlers/user_handler.go
- internal/services/user_service.go
- internal/dto/responses/user.go

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

internal/handlers/user_handler.go

@@ -0,0 +1,82 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/treytartt/mycrib-api/internal/middleware"
+	"github.com/treytartt/mycrib-api/internal/models"
+	"github.com/treytartt/mycrib-api/internal/services"
+)
+
+// UserHandler handles user-related HTTP requests
+type UserHandler struct {
+	userService *services.UserService
+}
+
+// NewUserHandler creates a new user handler
+func NewUserHandler(userService *services.UserService) *UserHandler {
+	return &UserHandler{
+		userService: userService,
+	}
+}
+
+// ListUsers handles GET /api/users/
+func (h *UserHandler) ListUsers(c *gin.Context) {
+	user := c.MustGet(middleware.AuthUserKey).(*models.User)
+
+	// Only allow listing users that share residences with the current user
+	users, err := h.userService.ListUsersInSharedResidences(user.ID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"count":   len(users),
+		"results": users,
+	})
+}
+
+// GetUser handles GET /api/users/:id/
+func (h *UserHandler) GetUser(c *gin.Context) {
+	user := c.MustGet(middleware.AuthUserKey).(*models.User)
+
+	userID, err := strconv.ParseUint(c.Param("id"), 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
+		return
+	}
+
+	// Can only view users that share a residence
+	targetUser, err := h.userService.GetUserIfSharedResidence(uint(userID), user.ID)
+	if err != nil {
+		if err == services.ErrUserNotFound {
+			c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, targetUser)
+}
+
+// ListProfiles handles GET /api/users/profiles/
+func (h *UserHandler) ListProfiles(c *gin.Context) {
+	user := c.MustGet(middleware.AuthUserKey).(*models.User)
+
+	// List profiles of users in shared residences
+	profiles, err := h.userService.ListProfilesInSharedResidences(user.ID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"count":   len(profiles),
+		"results": profiles,
+	})
+}