ci: add Gitea Actions workflow with gofmt and test jobs

Add CI workflow at .gitea/workflows/ci.yml triggered on pull_request
with two jobs: fmt (gofmt check) and test (go test ./...).

Fix gofmt issues (import ordering) in 7 files so CI passes from
the start.

Fixes #7

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

internal/ai_client/client.go

@@ -9,10 +9,10 @@ import (
 	"strings"
 	"time"
 
+	"gorm.io/gorm"
 	"thuanle.me/claw-email-bridge/internal/config"
 	"thuanle.me/claw-email-bridge/internal/database"
 	"thuanle.me/claw-email-bridge/internal/logging"
-	"gorm.io/gorm"
 )
 
 // Retry backoff schedule: 1s, 5s, 15s.
@@ -20,11 +20,11 @@ var retryBackoffs = []time.Duration{1 * time.Second, 5 * time.Second, 15 * time.
 
 // openClawRequest is the payload sent to OpenClaw API.
 type openClawRequest struct {
-	Input      string            `json:"input"`
-	SessionID  string            `json:"session_id"`
-	History    []historyEntry    `json:"history,omitempty"`
-	CallbackURL string           `json:"callback_url"`
-	Metadata   map[string]string `json:"metadata"`
+	Input       string            `json:"input"`
+	SessionID   string            `json:"session_id"`
+	History     []historyEntry    `json:"history,omitempty"`
+	CallbackURL string            `json:"callback_url"`
+	Metadata    map[string]string `json:"metadata"`
 }
 
 type historyEntry struct {

internal/ai_client/client_test.go

@@ -130,9 +130,9 @@ func TestDispatch_UsesCallbackBaseURL(t *testing.T) {
 	defer mockServer.Close()
 
 	cfg := &config.Config{
-		OpenClawURL:      mockServer.URL,
-		ListenAddr:       ":9999",
-		CallbackBaseURL:  "https://bridge.example.com/",
+		OpenClawURL:     mockServer.URL,
+		ListenAddr:      ":9999",
+		CallbackBaseURL: "https://bridge.example.com/",
 	}
 
 	task := &database.Task{

internal/api/router.go

@@ -5,9 +5,9 @@ import (
 	"net/http"
 
 	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
 	"thuanle.me/claw-email-bridge/internal/database"
 	"thuanle.me/claw-email-bridge/internal/logging"
-	"gorm.io/gorm"
 )
 
 // CallbackRequest is the payload received from OpenClaw.

internal/config/config.go

@@ -102,17 +102,17 @@ func defaultCallbackBaseURL(listenAddr string) string {
 // validate checks that all required configuration values are present.
 func (c *Config) validate() error {
 	required := map[string]string{
-		"IMAP_HOST":              c.IMAPHost,
-		"IMAP_PORT":              c.IMAPPort,
-		"IMAP_USER":              c.IMAPUser,
-		"IMAP_PASS":              c.IMAPPass,
-		"SMTP_HOST":              c.SMTPHost,
-		"SMTP_PORT":              c.SMTPPort,
-		"SMTP_USER":              c.SMTPUser,
-		"SMTP_PASS":              c.SMTPPass,
-		"OPENCLAW_URL":           c.OpenClawURL,
-		"BRIDGE_CALLBACK_TOKEN":  c.BridgeCallbackToken,
-		"SYSTEM_EMAIL":           c.SystemEmail,
+		"IMAP_HOST":             c.IMAPHost,
+		"IMAP_PORT":             c.IMAPPort,
+		"IMAP_USER":             c.IMAPUser,
+		"IMAP_PASS":             c.IMAPPass,
+		"SMTP_HOST":             c.SMTPHost,
+		"SMTP_PORT":             c.SMTPPort,
+		"SMTP_USER":             c.SMTPUser,
+		"SMTP_PASS":             c.SMTPPass,
+		"OPENCLAW_URL":          c.OpenClawURL,
+		"BRIDGE_CALLBACK_TOKEN": c.BridgeCallbackToken,
+		"SYSTEM_EMAIL":          c.SystemEmail,
 	}
 
 	var missing []string

internal/database/models.go

@@ -6,28 +6,28 @@ import (
 
 // Task status constants matching the requirement's state machine.
 const (
-	StatusIgnored       = "IGNORED"
-	StatusReceived      = "RECEIVED"
-	StatusAIProcessing  = "AI_PROCESSING"
-	StatusCallbackDone  = "CALLBACK_DONE"
-	StatusSMTPRetrying  = "SMTP_RETRYING"
-	StatusCompleted     = "COMPLETED"
-	StatusFailed        = "FAILED"
+	StatusIgnored      = "IGNORED"
+	StatusReceived     = "RECEIVED"
+	StatusAIProcessing = "AI_PROCESSING"
+	StatusCallbackDone = "CALLBACK_DONE"
+	StatusSMTPRetrying = "SMTP_RETRYING"
+	StatusCompleted    = "COMPLETED"
+	StatusFailed       = "FAILED"
 )
 
 // Task represents a single email processing unit tracked through the pipeline.
 type Task struct {
-	ID              uint       `gorm:"primaryKey;autoIncrement"`
-	TaskUUID        string     `gorm:"uniqueIndex;not null"`
-	ThreadID        string     `gorm:"index"`
-	MessageID       string     `gorm:"index"`
+	ID              uint   `gorm:"primaryKey;autoIncrement"`
+	TaskUUID        string `gorm:"uniqueIndex;not null"`
+	ThreadID        string `gorm:"index"`
+	MessageID       string `gorm:"index"`
 	Sender          string
 	Subject         string
 	BodyPlain       string
 	AIResponse      string
-	Status          string     `gorm:"index;not null"`
-	AttemptOpenClaw int        `gorm:"default:0"`
-	AttemptSMTP     int        `gorm:"default:0"`
+	Status          string `gorm:"index;not null"`
+	AttemptOpenClaw int    `gorm:"default:0"`
+	AttemptSMTP     int    `gorm:"default:0"`
 	LastError       *string
 	NextRetryAt     *time.Time
 	CreatedAt       time.Time

internal/mail/imap.go

@@ -17,10 +17,10 @@ import (
 	"github.com/emersion/go-imap/v2/imapclient"
 	"github.com/google/uuid"
 	"golang.org/x/net/proxy"
+	"gorm.io/gorm"
 	"thuanle.me/claw-email-bridge/internal/config"
 	"thuanle.me/claw-email-bridge/internal/database"
 	"thuanle.me/claw-email-bridge/internal/logging"
-	"gorm.io/gorm"
 )
 
 // IMAPWatcher monitors an IMAP mailbox via IDLE and processes new emails.

internal/mail/smtp.go

@@ -6,10 +6,10 @@ import (
 	"strings"
 	"time"
 
+	"gorm.io/gorm"
 	"thuanle.me/claw-email-bridge/internal/config"
 	"thuanle.me/claw-email-bridge/internal/database"
 	"thuanle.me/claw-email-bridge/internal/logging"
-	"gorm.io/gorm"
 )
 
 // Retry backoff schedule: 1s, 5s, 15s.