Add PDF reports, file uploads, admin auth, and comprehensive tests

Features:
- PDF service for generating task reports with ReportLab-style formatting
- Storage service for file uploads (local and S3-compatible)
- Admin authentication middleware with JWT support
- Admin user model and repository

Infrastructure:
- Updated Docker configuration for admin panel builds
- Email service enhancements for task notifications
- Updated router with admin and file upload routes
- Environment configuration updates

Tests:
- Unit tests for handlers (auth, residence, task)
- Unit tests for models (user, residence, task)
- Unit tests for repositories (user, residence, task)
- Unit tests for services (residence, task)
- Integration test setup
- Test utilities for mocking database and services

Database:
- Admin user seed data
- Updated test data seeds

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

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

go.mod

@@ -5,30 +5,30 @@ go 1.23.0
 toolchain go1.23.12
 
 require (
-	github.com/GoAdminGroup/go-admin v1.2.26
-	github.com/GoAdminGroup/themes v0.0.48
 	github.com/gin-contrib/cors v1.7.3
 	github.com/gin-gonic/gin v1.10.1
+	github.com/golang-jwt/jwt/v5 v5.3.0
+	github.com/google/uuid v1.6.0
 	github.com/hibiken/asynq v0.25.1
-	github.com/lib/pq v1.10.5
+	github.com/jung-kurt/gofpdf v1.16.2
 	github.com/redis/go-redis/v9 v9.17.1
 	github.com/rs/zerolog v1.34.0
 	github.com/shopspring/decimal v1.4.0
 	github.com/spf13/viper v1.20.1
+	github.com/stretchr/testify v1.10.0
 	golang.org/x/crypto v0.31.0
 	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
 	gorm.io/driver/postgres v1.6.0
+	gorm.io/driver/sqlite v1.6.0
 	gorm.io/gorm v1.31.1
 )
 
 require (
-	github.com/360EntSecGroup-Skylar/excelize v1.4.1 // indirect
-	github.com/GoAdminGroup/html v0.0.1 // indirect
-	github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e // indirect
 	github.com/bytedance/sonic v1.14.0 // indirect
 	github.com/bytedance/sonic/loader v0.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
@@ -38,8 +38,6 @@ require (
 	github.com/go-playground/validator/v10 v10.23.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/uuid v1.6.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/pgx/v5 v5.6.0 // indirect
@@ -51,23 +49,21 @@ require (
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
+	github.com/rogpeppe/go-internal v1.10.0 // indirect
 	github.com/sagikazarmark/locafero v0.9.0 // indirect
 	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spf13/afero v1.14.0 // indirect
 	github.com/spf13/cast v1.10.0 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	github.com/syndtr/goleveldb v1.0.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	go.uber.org/zap v1.19.1 // indirect
 	golang.org/x/arch v0.12.0 // indirect
 	golang.org/x/net v0.33.0 // indirect
 	golang.org/x/sync v0.12.0 // indirect
@@ -76,10 +72,5 @@ require (
 	golang.org/x/time v0.8.0 // indirect
 	google.golang.org/protobuf v1.36.9 // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	xorm.io/builder v0.3.7 // indirect
-	xorm.io/xorm v1.0.2 // indirect
 )