build: /implement-feature mesh-interop --requirements 'Chat Service must cal...

pkg/queue/redis.go

@@ -0,0 +1,340 @@
+package queue
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/redis/go-redis/v9"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+)
+
+const (
+	// RedisQueueKey is the sorted set key for the job queue
+	RedisQueueKey = "jobs:queue"
+	// RedisJobPrefix is the prefix for job data hash keys
+	RedisJobPrefix = "jobs:data:"
+	// RedisRunningKey is the set of currently running job IDs
+	RedisRunningKey = "jobs:running"
+)
+
+// RedisQueue implements Producer and Consumer using Redis.
+// Uses sorted sets for priority ordering and lists for atomic dequeue.
+type RedisQueue struct {
+	client *redis.Client
+	logger *logging.Logger
+}
+
+// Ensure RedisQueue implements Queue at compile time.
+var _ Queue = (*RedisQueue)(nil)
+
+// NewRedisQueue creates a queue backed by Redis.
+func NewRedisQueue(client *redis.Client, logger *logging.Logger) *RedisQueue {
+	return &RedisQueue{
+		client: client,
+		logger: logger.WithComponent("redis-queue"),
+	}
+}
+
+// Enqueue adds a job to the queue with default options.
+func (q *RedisQueue) Enqueue(ctx context.Context, jobType string, payload map[string]any) (string, error) {
+	return q.EnqueueWithOptions(ctx, Job{
+		Type:       jobType,
+		Payload:    payload,
+		Priority:   0,
+		MaxRetries: 3,
+	})
+}
+
+// EnqueueWithOptions adds a job with custom configuration.
+func (q *RedisQueue) EnqueueWithOptions(ctx context.Context, job Job) (string, error) {
+	if job.Type == "" {
+		return "", fmt.Errorf("job type is required")
+	}
+
+	job.ID = uuid.New().String()
+	job.Status = StatusPending
+	job.CreatedAt = time.Now().UTC()
+
+	if job.MaxRetries == 0 {
+		job.MaxRetries = 3
+	}
+	if job.MaxRetries > 100 {
+		job.MaxRetries = 100
+	}
+	if job.Payload == nil {
+		job.Payload = make(map[string]any)
+	}
+
+	// Serialize job to JSON
+	data, err := json.Marshal(job)
+	if err != nil {
+		return "", fmt.Errorf("marshal job: %w", err)
+	}
+
+	// Use a pipeline for atomic operations
+	pipe := q.client.Pipeline()
+
+	// Store job data
+	jobKey := RedisJobPrefix + job.ID
+	pipe.Set(ctx, jobKey, data, 0)
+
+	// Add to sorted set with score = -priority (higher priority = lower score = first out)
+	// Secondary sort by timestamp for FIFO within same priority
+	score := float64(-job.Priority) + float64(job.CreatedAt.UnixNano())/1e18
+	pipe.ZAdd(ctx, RedisQueueKey, redis.Z{
+		Score:  score,
+		Member: job.ID,
+	})
+
+	_, err = pipe.Exec(ctx)
+	if err != nil {
+		return "", fmt.Errorf("enqueue job: %w", err)
+	}
+
+	q.logger.Debug("job enqueued", "job_id", job.ID, "type", job.Type, "priority", job.Priority)
+	return job.ID, nil
+}
+
+// Dequeue atomically claims the next pending job.
+func (q *RedisQueue) Dequeue(ctx context.Context, workerID string) (*Job, error) {
+	// Pop the highest priority job (lowest score) atomically
+	result, err := q.client.ZPopMin(ctx, RedisQueueKey, 1).Result()
+	if err != nil {
+		return nil, fmt.Errorf("dequeue job: %w", err)
+	}
+
+	if len(result) == 0 {
+		return nil, ErrNoJob
+	}
+
+	jobID := result[0].Member.(string)
+	jobKey := RedisJobPrefix + jobID
+
+	// Get job data
+	data, err := q.client.Get(ctx, jobKey).Bytes()
+	if err != nil {
+		if errors.Is(err, redis.Nil) {
+			return nil, ErrJobNotFound
+		}
+		return nil, fmt.Errorf("get job data: %w", err)
+	}
+
+	var job Job
+	if err := json.Unmarshal(data, &job); err != nil {
+		return nil, fmt.Errorf("unmarshal job: %w", err)
+	}
+
+	// Update job status
+	now := time.Now().UTC()
+	job.Status = StatusRunning
+	job.StartedAt = &now
+	job.WorkerID = workerID
+
+	// Save updated job and add to running set
+	updatedData, err := json.Marshal(job)
+	if err != nil {
+		return nil, fmt.Errorf("marshal updated job: %w", err)
+	}
+
+	pipe := q.client.Pipeline()
+	pipe.Set(ctx, jobKey, updatedData, 0)
+	pipe.SAdd(ctx, RedisRunningKey, jobID)
+	_, err = pipe.Exec(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("update job status: %w", err)
+	}
+
+	q.logger.Debug("job dequeued", "job_id", job.ID, "type", job.Type, "worker_id", workerID)
+	return &job, nil
+}
+
+// Ack marks a job as successfully completed.
+func (q *RedisQueue) Ack(ctx context.Context, jobID string) error {
+	jobKey := RedisJobPrefix + jobID
+
+	data, err := q.client.Get(ctx, jobKey).Bytes()
+	if err != nil {
+		if errors.Is(err, redis.Nil) {
+			return ErrJobNotFound
+		}
+		return fmt.Errorf("get job: %w", err)
+	}
+
+	var job Job
+	if err := json.Unmarshal(data, &job); err != nil {
+		return fmt.Errorf("unmarshal job: %w", err)
+	}
+
+	now := time.Now().UTC()
+	job.Status = StatusCompleted
+	job.CompletedAt = &now
+
+	updatedData, err := json.Marshal(job)
+	if err != nil {
+		return fmt.Errorf("marshal job: %w", err)
+	}
+
+	pipe := q.client.Pipeline()
+	pipe.Set(ctx, jobKey, updatedData, 24*time.Hour) // Keep completed jobs for 24h
+	pipe.SRem(ctx, RedisRunningKey, jobID)
+	_, err = pipe.Exec(ctx)
+	if err != nil {
+		return fmt.Errorf("ack job: %w", err)
+	}
+
+	q.logger.Debug("job completed", "job_id", jobID)
+	return nil
+}
+
+// Fail marks a job as failed, requeuing if retries remain.
+func (q *RedisQueue) Fail(ctx context.Context, jobID string, errMsg string) error {
+	jobKey := RedisJobPrefix + jobID
+
+	data, err := q.client.Get(ctx, jobKey).Bytes()
+	if err != nil {
+		if errors.Is(err, redis.Nil) {
+			return ErrJobNotFound
+		}
+		return fmt.Errorf("get job: %w", err)
+	}
+
+	var job Job
+	if err := json.Unmarshal(data, &job); err != nil {
+		return fmt.Errorf("unmarshal job: %w", err)
+	}
+
+	job.RetryCount++
+	job.Error = errMsg
+
+	pipe := q.client.Pipeline()
+	pipe.SRem(ctx, RedisRunningKey, jobID)
+
+	if job.RetryCount >= job.MaxRetries {
+		// Exhausted retries - mark as failed
+		now := time.Now().UTC()
+		job.Status = StatusFailed
+		job.CompletedAt = &now
+
+		updatedData, err := json.Marshal(job)
+		if err != nil {
+			return fmt.Errorf("marshal job: %w", err)
+		}
+		pipe.Set(ctx, jobKey, updatedData, 24*time.Hour) // Keep failed jobs for 24h
+	} else {
+		// Requeue for retry
+		job.Status = StatusPending
+		job.StartedAt = nil
+		job.WorkerID = ""
+
+		updatedData, err := json.Marshal(job)
+		if err != nil {
+			return fmt.Errorf("marshal job: %w", err)
+		}
+		pipe.Set(ctx, jobKey, updatedData, 0)
+
+		// Re-add to queue with original priority
+		score := float64(-job.Priority) + float64(job.CreatedAt.UnixNano())/1e18
+		pipe.ZAdd(ctx, RedisQueueKey, redis.Z{
+			Score:  score,
+			Member: jobID,
+		})
+	}
+
+	_, err = pipe.Exec(ctx)
+	if err != nil {
+		return fmt.Errorf("fail job: %w", err)
+	}
+
+	logErrMsg := errMsg
+	if len(logErrMsg) > 500 {
+		logErrMsg = logErrMsg[:497] + "..."
+	}
+	q.logger.Debug("job failed", "job_id", jobID, "retry_count", job.RetryCount, "max_retries", job.MaxRetries, "error", logErrMsg)
+	return nil
+}
+
+// Heartbeat extends the job's visibility timeout (no-op for Redis implementation).
+func (q *RedisQueue) Heartbeat(ctx context.Context, jobID string) error {
+	// For Redis, we track running jobs in a set but don't have visibility timeout.
+	// This could be extended to use Redis EXPIRE on job keys if needed.
+	return nil
+}
+
+// GetJob retrieves a job by ID (for inspection/debugging).
+func (q *RedisQueue) GetJob(ctx context.Context, jobID string) (*Job, error) {
+	jobKey := RedisJobPrefix + jobID
+
+	data, err := q.client.Get(ctx, jobKey).Bytes()
+	if err != nil {
+		if errors.Is(err, redis.Nil) {
+			return nil, ErrJobNotFound
+		}
+		return nil, fmt.Errorf("get job: %w", err)
+	}
+
+	var job Job
+	if err := json.Unmarshal(data, &job); err != nil {
+		return nil, fmt.Errorf("unmarshal job: %w", err)
+	}
+
+	return &job, nil
+}
+
+// QueueLength returns the number of pending jobs.
+func (q *RedisQueue) QueueLength(ctx context.Context) (int64, error) {
+	return q.client.ZCard(ctx, RedisQueueKey).Result()
+}
+
+// RequeueStale requeues jobs that have been running too long.
+func (q *RedisQueue) RequeueStale(ctx context.Context, timeout time.Duration) (int64, error) {
+	// Get all running job IDs
+	runningIDs, err := q.client.SMembers(ctx, RedisRunningKey).Result()
+	if err != nil {
+		return 0, fmt.Errorf("get running jobs: %w", err)
+	}
+
+	cutoff := time.Now().UTC().Add(-timeout)
+	var requeued int64
+
+	for _, jobID := range runningIDs {
+		job, err := q.GetJob(ctx, jobID)
+		if err != nil {
+			continue // Job may have been deleted
+		}
+
+		if job.StartedAt != nil && job.StartedAt.Before(cutoff) {
+			// Requeue stale job
+			job.Status = StatusPending
+			job.StartedAt = nil
+			job.WorkerID = ""
+
+			data, err := json.Marshal(job)
+			if err != nil {
+				continue
+			}
+
+			pipe := q.client.Pipeline()
+			pipe.Set(ctx, RedisJobPrefix+jobID, data, 0)
+			pipe.SRem(ctx, RedisRunningKey, jobID)
+			score := float64(-job.Priority) + float64(job.CreatedAt.UnixNano())/1e18
+			pipe.ZAdd(ctx, RedisQueueKey, redis.Z{
+				Score:  score,
+				Member: jobID,
+			})
+			_, err = pipe.Exec(ctx)
+			if err == nil {
+				requeued++
+			}
+		}
+	}
+
+	if requeued > 0 {
+		q.logger.Info("requeued stale jobs", "count", requeued, "timeout", timeout)
+	}
+	return requeued, nil
+}

pkg/svc/client.go

@@ -144,6 +144,19 @@ func (c *Client) DoJSON(ctx context.Context, method, path string, body any) (*ht
 	return c.httpClient.Do(req)
 }
 
+// DoRequest performs an HTTP request with custom headers.
+// This is useful when you need to forward headers like Authorization.
+func (c *Client) DoRequest(req *http.Request) (*http.Response, error) {
+	return c.httpClient.Do(req)
+}
+
+// NewRequest creates a new HTTP request for this service.
+// The path is appended to the service's base URL.
+func (c *Client) NewRequest(ctx context.Context, method, path string, body io.Reader) (*http.Request, error) {
+	url := c.baseURL + path
+	return http.NewRequestWithContext(ctx, method, url, body)
+}
+
 // ServiceName returns the name of the service this client connects to.
 func (c *Client) ServiceName() string {
 	return c.serviceName

services/auth-svc/internal/api/handlers/validate.go

@@ -0,0 +1,80 @@
+package handlers
+
+import (
+	"net/http"
+	"strings"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/auth"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/httperror"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/httpresponse"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+)
+
+// Validate handles token validation requests from sibling services.
+type Validate struct {
+	validator *auth.JWTValidator
+	logger    *logging.Logger
+}
+
+// NewValidate creates a new Validate handler.
+func NewValidate(validator *auth.JWTValidator, logger *logging.Logger) *Validate {
+	return &Validate{
+		validator: validator,
+		logger:    logger.WithComponent("ValidateHandler"),
+	}
+}
+
+// ValidateRequest is the request body for token validation.
+type ValidateRequest struct {
+	Token string `json:"token" validate:"required"`
+}
+
+// ValidateResponse is the response for token validation.
+type ValidateResponse struct {
+	Valid  bool        `json:"valid"`
+	User   *auth.User  `json:"user,omitempty"`
+	Error  string      `json:"error,omitempty"`
+}
+
+// Check validates a JWT token and returns the user information.
+func (h *Validate) Check(w http.ResponseWriter, r *http.Request) error {
+	// Extract token from Authorization header or request body
+	token := extractToken(r)
+	if token == "" {
+		return httperror.BadRequest("token is required")
+	}
+
+	// Validate the token
+	user, err := h.validator.Validate(r.Context(), token)
+	if err != nil {
+		h.logger.Debug("token validation failed", "error", err)
+		httpresponse.OK(w, r, ValidateResponse{
+			Valid: false,
+			Error: err.Error(),
+		})
+		return nil
+	}
+
+	httpresponse.OK(w, r, ValidateResponse{
+		Valid: true,
+		User:  user,
+	})
+	return nil
+}
+
+// extractToken extracts the JWT token from the request.
+// Checks Authorization header first, then falls back to query parameter.
+func extractToken(r *http.Request) string {
+	// Check Authorization header
+	authHeader := r.Header.Get("Authorization")
+	if authHeader != "" {
+		// Handle "Bearer <token>" format
+		if strings.HasPrefix(authHeader, "Bearer ") {
+			return strings.TrimPrefix(authHeader, "Bearer ")
+		}
+		return authHeader
+	}
+
+	// Check query parameter
+	return r.URL.Query().Get("token")
+}

services/auth-svc/internal/api/handlers/validate_test.go

@@ -0,0 +1,127 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/auth"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+)
+
+func TestValidate_Check(t *testing.T) {
+	secret := []byte("test-secret")
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+
+	validator := auth.NewJWTValidator(auth.JWTConfig{
+		Secret: secret,
+		Issuer: "sp4-verify-1770325799",
+	})
+	handler := NewValidate(validator, logger)
+
+	// Generate a valid token
+	user := &auth.User{
+		ID:     "user-123",
+		Email:  "test@example.com",
+		Roles:  []string{"admin"},
+		Scopes: []string{"read", "write"},
+	}
+	validToken, err := auth.GenerateTokenWithIssuer(secret, user, time.Hour, "sp4-verify-1770325799", "")
+	if err != nil {
+		t.Fatalf("failed to generate token: %v", err)
+	}
+
+	tests := []struct {
+		name           string
+		authHeader     string
+		queryToken     string
+		wantValid      bool
+		wantUserID     string
+		wantStatusCode int
+	}{
+		{
+			name:           "valid token in Authorization header",
+			authHeader:     "Bearer " + validToken,
+			wantValid:      true,
+			wantUserID:     "user-123",
+			wantStatusCode: http.StatusOK,
+		},
+		{
+			name:           "valid token without Bearer prefix",
+			authHeader:     validToken,
+			wantValid:      true,
+			wantUserID:     "user-123",
+			wantStatusCode: http.StatusOK,
+		},
+		{
+			name:           "valid token in query parameter",
+			queryToken:     validToken,
+			wantValid:      true,
+			wantUserID:     "user-123",
+			wantStatusCode: http.StatusOK,
+		},
+		{
+			name:           "invalid token",
+			authHeader:     "Bearer invalid-token",
+			wantValid:      false,
+			wantStatusCode: http.StatusOK,
+		},
+		{
+			name:           "missing token",
+			wantValid:      false,
+			wantStatusCode: http.StatusBadRequest,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			url := "/api/auth-svc/validate"
+			if tt.queryToken != "" {
+				url += "?token=" + tt.queryToken
+			}
+
+			req := httptest.NewRequest(http.MethodGet, url, nil)
+			if tt.authHeader != "" {
+				req.Header.Set("Authorization", tt.authHeader)
+			}
+
+			rr := httptest.NewRecorder()
+			err := handler.Check(rr, req)
+
+			// Check if error was returned (for bad request cases)
+			if tt.wantStatusCode == http.StatusBadRequest {
+				if err == nil {
+					t.Error("expected error for missing token")
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("handler returned error: %v", err)
+			}
+
+			if rr.Code != tt.wantStatusCode {
+				t.Errorf("status code = %d, want %d", rr.Code, tt.wantStatusCode)
+			}
+
+			var resp struct {
+				Data ValidateResponse `json:"data"`
+			}
+			if err := json.NewDecoder(rr.Body).Decode(&resp); err != nil {
+				t.Fatalf("failed to decode response: %v", err)
+			}
+
+			if resp.Data.Valid != tt.wantValid {
+				t.Errorf("valid = %v, want %v", resp.Data.Valid, tt.wantValid)
+			}
+
+			if tt.wantValid && resp.Data.User != nil {
+				if resp.Data.User.ID != tt.wantUserID {
+					t.Errorf("user ID = %s, want %s", resp.Data.User.ID, tt.wantUserID)
+				}
+			}
+		})
+	}
+}

services/auth-svc/internal/api/routes.go

@@ -14,13 +14,21 @@ import (
 // This allows the monorepo to expose multiple services under a single domain:
 //   - https://domain/api/auth-svc/health
 //   - https://domain/api/auth-svc/examples
+//   - https://domain/api/auth-svc/validate
 func RegisterRoutes(application *app.App, exampleService *service.ExampleService) {
 	logger := application.Logger()
 	cfg := config.Load()
 
+	// Initialize JWT validator for token validation endpoint
+	jwtValidator := auth.NewJWTValidator(auth.JWTConfig{
+		Secret: []byte(cfg.JWTSecret),
+		Issuer: "sp4-verify-1770325799",
+	})
+
 	// Initialize handlers with injected services
 	healthHandler := handlers.NewHealth(logger)
 	exampleHandler := handlers.NewExample(exampleService, logger)
+	validateHandler := handlers.NewValidate(jwtValidator, logger)
 
 	// Build and mount OpenAPI spec
 	spec := NewServiceSpec()
@@ -31,6 +39,10 @@ func RegisterRoutes(application *app.App, exampleService *service.ExampleService
 	application.Route("/api/auth-svc", func(r app.Router) {
 		r.Get("/health", healthHandler.Check)
 
+		// Token validation endpoint (for sibling services)
+		r.Post("/validate", app.Wrap(validateHandler.Check))
+		r.Get("/validate", app.Wrap(validateHandler.Check))
+
 		// Public routes (no auth required)
 		r.Get("/examples", app.Wrap(exampleHandler.List))
 		r.Get("/examples/{id}", app.Wrap(exampleHandler.Get))

services/auth-svc/internal/api/spec.go

@@ -8,6 +8,7 @@ func NewServiceSpec() *openapi.OpenAPISpec {
 		WithDescription("REST API for the auth-svc service").
 		WithBearerSecurity("bearer", "JWT authentication token").
 		WithTag("Health", "Service health endpoints").
+		WithTag("Auth", "Authentication and token validation").
 		WithTag("Examples", "Example CRUD endpoints")
 
 	// Define reusable schemas
@@ -29,6 +30,18 @@ func NewServiceSpec() *openapi.OpenAPISpec {
 		"description": openapi.StringWithMinMax(0, 500).WithDescription("Updated description"),
 	}))
 
+	// Validate response schema
+	spec.WithSchema("ValidateResponse", openapi.Object(map[string]openapi.Schema{
+		"valid": openapi.Boolean().WithDescription("Whether the token is valid"),
+		"user":  openapi.Object(map[string]openapi.Schema{
+			"id":     openapi.String().WithDescription("User ID"),
+			"email":  openapi.String().WithDescription("User email"),
+			"roles":  openapi.Array(openapi.String()).WithDescription("User roles"),
+			"scopes": openapi.Array(openapi.String()).WithDescription("User scopes"),
+		}).WithDescription("User information (only present if valid)"),
+		"error": openapi.String().WithDescription("Error message (only present if invalid)"),
+	}, "valid"))
+
 	// Health
 	spec.AddPath("/api/auth-svc/health", "get", map[string]any{
 		"summary": "Health check",
@@ -41,6 +54,36 @@ func NewServiceSpec() *openapi.OpenAPISpec {
 		},
 	})
 
+	// Validate token
+	spec.AddPath("/api/auth-svc/validate", "post", map[string]any{
+		"summary":     "Validate token",
+		"description": "Validates a JWT token and returns user information. Used by sibling services for authentication.",
+		"tags":        []string{"Auth"},
+		"security":    []map[string][]string{{"bearer": {}}},
+		"responses": map[string]any{
+			"200": openapi.OpResponse("Validation result", openapi.ResponseSchema(openapi.Ref("ValidateResponse"))),
+			"400": openapi.OpResponse("Bad request", openapi.ErrorResponseSchema()),
+		},
+	})
+
+	spec.AddPath("/api/auth-svc/validate", "get", map[string]any{
+		"summary":     "Validate token (GET)",
+		"description": "Validates a JWT token. Accepts token via Authorization header or query parameter.",
+		"tags":        []string{"Auth"},
+		"parameters": []any{
+			map[string]any{
+				"name":        "token",
+				"in":          "query",
+				"description": "JWT token to validate (alternative to Authorization header)",
+				"schema":      openapi.String(),
+			},
+		},
+		"responses": map[string]any{
+			"200": openapi.OpResponse("Validation result", openapi.ResponseSchema(openapi.Ref("ValidateResponse"))),
+			"400": openapi.OpResponse("Bad request", openapi.ErrorResponseSchema()),
+		},
+	})
+
 	// List examples
 	spec.AddPath("/api/auth-svc/examples", "get", map[string]any{
 		"summary":     "List examples",

services/chat-svc/internal/client/auth.go

@@ -0,0 +1,86 @@
+// Package client provides clients for communicating with sibling services.
+package client
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/auth"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/svc"
+)
+
+// AuthClient communicates with the auth-svc for token validation.
+type AuthClient struct {
+	client *svc.Client
+}
+
+// ValidateResponse is the response from the auth-svc /validate endpoint.
+type ValidateResponse struct {
+	Data struct {
+		Valid bool       `json:"valid"`
+		User  *auth.User `json:"user,omitempty"`
+		Error string     `json:"error,omitempty"`
+	} `json:"data"`
+}
+
+// NewAuthClient creates a new client for the auth-svc.
+// Returns an error if AUTH_SVC_URL is not configured.
+func NewAuthClient() (*AuthClient, error) {
+	client, err := svc.NewClient("auth-svc")
+	if err != nil {
+		return nil, err
+	}
+	return &AuthClient{client: client}, nil
+}
+
+// ValidateToken validates a JWT token by calling auth-svc.
+// Returns the user if valid, or an error if invalid or communication fails.
+func (c *AuthClient) ValidateToken(ctx context.Context, token string) (*auth.User, error) {
+	req, err := c.client.NewRequest(ctx, http.MethodGet, "/api/auth-svc/validate", nil)
+	if err != nil {
+		return nil, fmt.Errorf("create request: %w", err)
+	}
+	req.Header.Set("Authorization", "Bearer "+token)
+
+	resp, err := c.client.DoRequest(req)
+	if err != nil {
+		return nil, fmt.Errorf("call auth-svc: %w", err)
+	}
+
+	result, err := svc.DecodeResponse[ValidateResponse](resp)
+	if err != nil {
+		return nil, fmt.Errorf("decode response: %w", err)
+	}
+
+	if !result.Data.Valid {
+		return nil, fmt.Errorf("token validation failed: %s", result.Data.Error)
+	}
+
+	return result.Data.User, nil
+}
+
+// ValidateTokenWithHeader validates a token by forwarding the Authorization header.
+func (c *AuthClient) ValidateTokenWithHeader(ctx context.Context, authHeader string) (*auth.User, error) {
+	req, err := c.client.NewRequest(ctx, http.MethodGet, "/api/auth-svc/validate", nil)
+	if err != nil {
+		return nil, fmt.Errorf("create request: %w", err)
+	}
+	req.Header.Set("Authorization", authHeader)
+
+	resp, err := c.client.DoRequest(req)
+	if err != nil {
+		return nil, fmt.Errorf("call auth-svc: %w", err)
+	}
+
+	result, err := svc.DecodeResponse[ValidateResponse](resp)
+	if err != nil {
+		return nil, fmt.Errorf("decode response: %w", err)
+	}
+
+	if !result.Data.Valid {
+		return nil, fmt.Errorf("token validation failed: %s", result.Data.Error)
+	}
+
+	return result.Data.User, nil
+}

services/chat-svc/internal/client/auth_test.go

@@ -0,0 +1,123 @@
+package client
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/auth"
+)
+
+func TestAuthClient_ValidateToken(t *testing.T) {
+	tests := []struct {
+		name        string
+		response    ValidateResponse
+		statusCode  int
+		wantErr     bool
+		wantUserID  string
+	}{
+		{
+			name: "valid token",
+			response: ValidateResponse{
+				Data: struct {
+					Valid bool       `json:"valid"`
+					User  *auth.User `json:"user,omitempty"`
+					Error string     `json:"error,omitempty"`
+				}{
+					Valid: true,
+					User: &auth.User{
+						ID:    "user-123",
+						Email: "test@example.com",
+					},
+				},
+			},
+			statusCode: http.StatusOK,
+			wantErr:    false,
+			wantUserID: "user-123",
+		},
+		{
+			name: "invalid token",
+			response: ValidateResponse{
+				Data: struct {
+					Valid bool       `json:"valid"`
+					User  *auth.User `json:"user,omitempty"`
+					Error string     `json:"error,omitempty"`
+				}{
+					Valid: false,
+					Error: "token expired",
+				},
+			},
+			statusCode: http.StatusOK,
+			wantErr:    true,
+		},
+		{
+			name:       "server error",
+			statusCode: http.StatusInternalServerError,
+			wantErr:    true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Create test server
+			server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				// Verify path
+				if r.URL.Path != "/api/auth-svc/validate" {
+					t.Errorf("unexpected path: %s", r.URL.Path)
+				}
+
+				// Verify auth header is present
+				if r.Header.Get("Authorization") == "" {
+					t.Error("missing Authorization header")
+				}
+
+				w.WriteHeader(tt.statusCode)
+				if tt.statusCode == http.StatusOK {
+					_ = json.NewEncoder(w).Encode(tt.response)
+				}
+			}))
+			defer server.Close()
+
+			// Set the env var for service discovery
+			os.Setenv("AUTH_SVC_URL", server.URL)
+			defer os.Unsetenv("AUTH_SVC_URL")
+
+			// Create client
+			client, err := NewAuthClient()
+			if err != nil {
+				t.Fatalf("failed to create client: %v", err)
+			}
+
+			// Call validate
+			user, err := client.ValidateToken(context.Background(), "test-token")
+
+			if tt.wantErr {
+				if err == nil {
+					t.Error("expected error, got nil")
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+
+			if user.ID != tt.wantUserID {
+				t.Errorf("user ID = %s, want %s", user.ID, tt.wantUserID)
+			}
+		})
+	}
+}
+
+func TestNewAuthClient_MissingURL(t *testing.T) {
+	// Ensure env var is not set
+	os.Unsetenv("AUTH_SVC_URL")
+
+	_, err := NewAuthClient()
+	if err == nil {
+		t.Error("expected error when AUTH_SVC_URL is not set")
+	}
+}

services/chat-svc/internal/client/queue.go

@@ -0,0 +1,68 @@
+package client
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/redis/go-redis/v9"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/queue"
+)
+
+// QueueClient provides access to the Redis job queue for pushing tasks.
+type QueueClient struct {
+	producer *queue.RedisQueue
+	redis    *redis.Client
+}
+
+// NewQueueClient creates a new Redis queue client.
+// Uses REDIS_URL environment variable for connection.
+func NewQueueClient(logger *logging.Logger) (*QueueClient, error) {
+	redisURL := os.Getenv("REDIS_URL")
+	if redisURL == "" {
+		return nil, fmt.Errorf("REDIS_URL environment variable not set")
+	}
+
+	opts, err := redis.ParseURL(redisURL)
+	if err != nil {
+		return nil, fmt.Errorf("invalid REDIS_URL: %w", err)
+	}
+
+	client := redis.NewClient(opts)
+
+	// Test connection
+	if err := client.Ping(context.Background()).Err(); err != nil {
+		return nil, fmt.Errorf("redis connection failed: %w", err)
+	}
+
+	return &QueueClient{
+		producer: queue.NewRedisQueue(client, logger),
+		redis:    client,
+	}, nil
+}
+
+// PushTask enqueues a task for the worker to process.
+func (c *QueueClient) PushTask(ctx context.Context, taskType string, payload map[string]any) (string, error) {
+	return c.producer.Enqueue(ctx, taskType, payload)
+}
+
+// PushTaskWithPriority enqueues a task with a specific priority (higher = more urgent).
+func (c *QueueClient) PushTaskWithPriority(ctx context.Context, taskType string, payload map[string]any, priority int) (string, error) {
+	return c.producer.EnqueueWithOptions(ctx, queue.Job{
+		Type:     taskType,
+		Payload:  payload,
+		Priority: priority,
+	})
+}
+
+// Close closes the Redis connection.
+func (c *QueueClient) Close() error {
+	return c.redis.Close()
+}
+
+// HealthCheck verifies the Redis connection.
+func (c *QueueClient) HealthCheck(ctx context.Context) error {
+	return c.redis.Ping(ctx).Err()
+}

services/chat-svc/internal/client/queue_test.go

@@ -0,0 +1,134 @@
+package client
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/redis/go-redis/v9"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/queue"
+)
+
+func TestQueueClient_PushTask(t *testing.T) {
+	// Skip if REDIS_URL not set (integration test)
+	redisURL := os.Getenv("REDIS_URL")
+	if redisURL == "" {
+		t.Skip("REDIS_URL not set, skipping integration test")
+	}
+
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+
+	client, err := NewQueueClient(logger)
+	if err != nil {
+		t.Fatalf("failed to create queue client: %v", err)
+	}
+	defer client.Close()
+
+	// Push a task
+	jobID, err := client.PushTask(context.Background(), "test_task", map[string]any{
+		"message": "hello",
+		"count":   42,
+	})
+	if err != nil {
+		t.Fatalf("failed to push task: %v", err)
+	}
+
+	if jobID == "" {
+		t.Error("expected non-empty job ID")
+	}
+
+	t.Logf("pushed task with ID: %s", jobID)
+}
+
+func TestQueueClient_PushTaskWithPriority(t *testing.T) {
+	redisURL := os.Getenv("REDIS_URL")
+	if redisURL == "" {
+		t.Skip("REDIS_URL not set, skipping integration test")
+	}
+
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+
+	client, err := NewQueueClient(logger)
+	if err != nil {
+		t.Fatalf("failed to create queue client: %v", err)
+	}
+	defer client.Close()
+
+	// Push tasks with different priorities
+	_, err = client.PushTaskWithPriority(context.Background(), "low_priority", map[string]any{"level": "low"}, 0)
+	if err != nil {
+		t.Fatalf("failed to push low priority task: %v", err)
+	}
+
+	_, err = client.PushTaskWithPriority(context.Background(), "high_priority", map[string]any{"level": "high"}, 10)
+	if err != nil {
+		t.Fatalf("failed to push high priority task: %v", err)
+	}
+}
+
+func TestNewQueueClient_MissingURL(t *testing.T) {
+	os.Unsetenv("REDIS_URL")
+
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+	_, err := NewQueueClient(logger)
+	if err == nil {
+		t.Error("expected error when REDIS_URL is not set")
+	}
+}
+
+func TestRedisQueue_Integration(t *testing.T) {
+	redisURL := os.Getenv("REDIS_URL")
+	if redisURL == "" {
+		t.Skip("REDIS_URL not set, skipping integration test")
+	}
+
+	opts, err := redis.ParseURL(redisURL)
+	if err != nil {
+		t.Fatalf("failed to parse REDIS_URL: %v", err)
+	}
+
+	client := redis.NewClient(opts)
+	defer client.Close()
+
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+	q := queue.NewRedisQueue(client, logger)
+
+	ctx := context.Background()
+
+	// Test enqueue
+	jobID, err := q.Enqueue(ctx, "test_job", map[string]any{"key": "value"})
+	if err != nil {
+		t.Fatalf("failed to enqueue: %v", err)
+	}
+
+	// Test dequeue
+	job, err := q.Dequeue(ctx, "test-worker")
+	if err != nil {
+		t.Fatalf("failed to dequeue: %v", err)
+	}
+
+	if job.ID != jobID {
+		t.Errorf("job ID = %s, want %s", job.ID, jobID)
+	}
+
+	if job.Type != "test_job" {
+		t.Errorf("job type = %s, want test_job", job.Type)
+	}
+
+	// Test ack
+	if err := q.Ack(ctx, jobID); err != nil {
+		t.Fatalf("failed to ack: %v", err)
+	}
+
+	// Verify job is completed
+	completedJob, err := q.GetJob(ctx, jobID)
+	if err != nil {
+		t.Fatalf("failed to get job: %v", err)
+	}
+
+	if completedJob.Status != queue.StatusCompleted {
+		t.Errorf("job status = %s, want %s", completedJob.Status, queue.StatusCompleted)
+	}
+}

workers/worker-svc/cmd/worker/main.go

@@ -9,6 +9,8 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/redis/go-redis/v9"
+
 	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/database"
 	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
 	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/queue"
@@ -47,37 +49,64 @@ func main() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	// Connect to database
-	pool, err := database.Connect(ctx, cfg.Database.URL, database.Options{
-		MaxOpenConns:    cfg.Database.MaxOpenConns,
-		MaxIdleConns:    cfg.Database.MaxIdleConns,
-		ConnMaxLifetime: cfg.Database.ConnMaxLifetime,
-	})
-	if err != nil {
-		logger.Error("failed to connect to database", "error", err)
-		os.Exit(1)
+	// Determine queue backend based on configuration
+	var jobQueue queue.Queue
+	var redisClient *redis.Client
+
+	if cfg.Redis.URL != "" {
+		// Use Redis queue
+		opts, err := redis.ParseURL(cfg.Redis.URL)
+		if err != nil {
+			logger.Error("failed to parse REDIS_URL", "error", err)
+			os.Exit(1)
+		}
+
+		redisClient = redis.NewClient(opts)
+		if err := redisClient.Ping(ctx).Err(); err != nil {
+			logger.Error("failed to connect to Redis", "error", err)
+			os.Exit(1)
+		}
+		defer redisClient.Close()
+
+		jobQueue = queue.NewRedisQueue(redisClient, logger)
+		logger.Info("using Redis queue", "url", cfg.Redis.URL)
+	} else {
+		// Fall back to PostgreSQL queue
+		pool, err := database.Connect(ctx, cfg.Database.URL, database.Options{
+			MaxOpenConns:    cfg.Database.MaxOpenConns,
+			MaxIdleConns:    cfg.Database.MaxIdleConns,
+			ConnMaxLifetime: cfg.Database.ConnMaxLifetime,
+		})
+		if err != nil {
+			logger.Error("failed to connect to database", "error", err)
+			os.Exit(1)
+		}
+		defer pool.Close()
+		logger.Info("connected to database", "url", pool.URL)
+
+		// Run migrations
+		database.MustRunMigrations(ctx, pool, migrationsFS, "migrations")
+		logger.Info("migrations complete")
+
+		jobQueue = queue.NewPostgresQueue(pool.DB, logger)
+		logger.Info("using PostgreSQL queue")
 	}
-	defer pool.Close()
-	logger.Info("connected to database", "url", pool.URL)
-
-	// Run migrations
-	database.MustRunMigrations(ctx, pool, migrationsFS, "migrations")
-	logger.Info("migrations complete")
-
-	// Initialize queue
-	jobQueue := queue.NewPostgresQueue(pool.DB, logger)
 
 	// Initialize and start handler
 	handler := handlers.New(logger, jobQueue, handlers.Config{
-		PollInterval:     cfg.Worker.PollInterval,
-		StaleJobTimeout:  cfg.Worker.StaleJobTimeout,
-		JobTimeout:       cfg.Worker.JobTimeout,
+		PollInterval:    cfg.Worker.PollInterval,
+		StaleJobTimeout: cfg.Worker.StaleJobTimeout,
+		JobTimeout:      cfg.Worker.JobTimeout,
 	})
 
-	// Register job handlers
-	// TODO: Register your job handlers here
-	// handler.RegisterHandler("send_email", emailHandler)
-	// handler.RegisterHandler("process_image", imageHandler)
+	// Initialize task handlers
+	taskHandlers := handlers.NewTaskHandlers(logger)
+
+	// Register job handlers for tasks pushed by chat-svc and other services
+	handler.RegisterHandler("process_chat_message", taskHandlers.ProcessChatMessage)
+	handler.RegisterHandler("send_notification", taskHandlers.SendNotification)
+	handler.RegisterHandler("sync_data", taskHandlers.SyncData)
+	handler.RegisterHandler("process_webhook", taskHandlers.ProcessWebhook)
 
 	// Setup signal handling
 	sigCh := make(chan os.Signal, 1)
@@ -105,18 +134,30 @@ func main() {
 	logger.Info("worker-svc worker stopped")
 }
 
+// StaleJobRequeuer is an interface for queues that support stale job recovery.
+type StaleJobRequeuer interface {
+	RequeueStale(ctx context.Context, timeout time.Duration) (int64, error)
+}
+
 // runStaleJobRecovery periodically requeues jobs that have been running too long.
-func runStaleJobRecovery(ctx context.Context, q *queue.PostgresQueue, timeout time.Duration, logger *logging.Logger) {
+func runStaleJobRecovery(ctx context.Context, q queue.Queue, timeout time.Duration, logger *logging.Logger) {
 	const staleCheckInterval = time.Minute
 	ticker := time.NewTicker(staleCheckInterval)
 	defer ticker.Stop()
 
+	// Check if queue supports stale job recovery
+	requeuer, ok := q.(StaleJobRequeuer)
+	if !ok {
+		logger.Warn("queue does not support stale job recovery")
+		return
+	}
+
 	for {
 		select {
 		case <-ctx.Done():
 			return
 		case <-ticker.C:
-			count, err := q.RequeueStale(ctx, timeout)
+			count, err := requeuer.RequeueStale(ctx, timeout)
 			if err != nil {
 				logger.Error("failed to requeue stale jobs", "error", err)
 			} else if count > 0 {

workers/worker-svc/internal/config/config.go

@@ -13,10 +13,16 @@ import (
 type Config struct {
 	config.AppConfig
 	Database config.DatabaseConfig
+	Redis    RedisConfig
 	Logging  config.LoggingConfig
 	Worker   WorkerConfig
 }
 
+// RedisConfig holds Redis connection settings.
+type RedisConfig struct {
+	URL string
+}
+
 // WorkerConfig holds worker-specific settings.
 type WorkerConfig struct {
 	// PollInterval is how often to check for new jobs when queue is empty.
@@ -54,7 +60,10 @@ func Load() (*Config, error) {
 	return &Config{
 		AppConfig: config.ReadAppConfig(),
 		Database:  config.ReadDatabaseConfig(),
-		Logging:   config.ReadLoggingConfig(),
+		Redis: RedisConfig{
+			URL: viper.GetString("REDIS_URL"),
+		},
+		Logging: config.ReadLoggingConfig(),
 		Worker: WorkerConfig{
 			PollInterval:    viper.GetDuration("WORKER_POLL_INTERVAL"),
 			BatchSize:       viper.GetInt("WORKER_BATCH_SIZE"),

workers/worker-svc/internal/handlers/tasks.go

@@ -0,0 +1,124 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/queue"
+)
+
+// TaskHandlers provides handlers for different job types pushed from services.
+type TaskHandlers struct {
+	logger *logging.Logger
+}
+
+// NewTaskHandlers creates task handlers for processing jobs from the queue.
+func NewTaskHandlers(logger *logging.Logger) *TaskHandlers {
+	return &TaskHandlers{
+		logger: logger.WithComponent("task-handlers"),
+	}
+}
+
+// ProcessChatMessage handles chat message processing tasks.
+func (h *TaskHandlers) ProcessChatMessage(ctx context.Context, job *queue.Job) error {
+	h.logger.Info("processing chat message",
+		"job_id", job.ID,
+		"payload", job.Payload,
+	)
+
+	// Extract payload fields
+	messageID, _ := job.Payload["message_id"].(string)
+	userID, _ := job.Payload["user_id"].(string)
+	content, _ := job.Payload["content"].(string)
+
+	if messageID == "" {
+		return fmt.Errorf("message_id is required")
+	}
+
+	// Simulate processing work
+	h.logger.Debug("chat message processed",
+		"message_id", messageID,
+		"user_id", userID,
+		"content_length", len(content),
+	)
+
+	return nil
+}
+
+// SendNotification handles notification sending tasks.
+func (h *TaskHandlers) SendNotification(ctx context.Context, job *queue.Job) error {
+	h.logger.Info("sending notification",
+		"job_id", job.ID,
+		"payload", job.Payload,
+	)
+
+	userID, _ := job.Payload["user_id"].(string)
+	notificationType, _ := job.Payload["type"].(string)
+	message, _ := job.Payload["message"].(string)
+
+	if userID == "" {
+		return fmt.Errorf("user_id is required")
+	}
+	if notificationType == "" {
+		return fmt.Errorf("notification type is required")
+	}
+
+	// Simulate sending notification
+	h.logger.Debug("notification sent",
+		"user_id", userID,
+		"type", notificationType,
+		"message_length", len(message),
+	)
+
+	return nil
+}
+
+// SyncData handles data synchronization tasks.
+func (h *TaskHandlers) SyncData(ctx context.Context, job *queue.Job) error {
+	h.logger.Info("syncing data",
+		"job_id", job.ID,
+		"payload", job.Payload,
+	)
+
+	source, _ := job.Payload["source"].(string)
+	destination, _ := job.Payload["destination"].(string)
+
+	if source == "" {
+		return fmt.Errorf("source is required")
+	}
+	if destination == "" {
+		return fmt.Errorf("destination is required")
+	}
+
+	// Simulate data sync
+	h.logger.Debug("data synced",
+		"source", source,
+		"destination", destination,
+	)
+
+	return nil
+}
+
+// ProcessWebhook handles incoming webhook processing.
+func (h *TaskHandlers) ProcessWebhook(ctx context.Context, job *queue.Job) error {
+	h.logger.Info("processing webhook",
+		"job_id", job.ID,
+		"payload", job.Payload,
+	)
+
+	webhookID, _ := job.Payload["webhook_id"].(string)
+	eventType, _ := job.Payload["event_type"].(string)
+
+	if webhookID == "" {
+		return fmt.Errorf("webhook_id is required")
+	}
+
+	// Simulate webhook processing
+	h.logger.Debug("webhook processed",
+		"webhook_id", webhookID,
+		"event_type", eventType,
+	)
+
+	return nil
+}

workers/worker-svc/internal/handlers/tasks_test.go

@@ -0,0 +1,213 @@
+package handlers
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/logging"
+	"git.threesix.ai/jordan/sp4-verify-1770325799/pkg/queue"
+)
+
+func TestTaskHandlers_ProcessChatMessage(t *testing.T) {
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+	h := NewTaskHandlers(logger)
+
+	tests := []struct {
+		name    string
+		payload map[string]any
+		wantErr bool
+	}{
+		{
+			name: "valid message",
+			payload: map[string]any{
+				"message_id": "msg-123",
+				"user_id":    "user-456",
+				"content":    "Hello world",
+			},
+			wantErr: false,
+		},
+		{
+			name: "missing message_id",
+			payload: map[string]any{
+				"user_id": "user-456",
+				"content": "Hello world",
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			now := time.Now()
+			job := &queue.Job{
+				ID:        "job-123",
+				Type:      "process_chat_message",
+				Payload:   tt.payload,
+				Status:    queue.StatusRunning,
+				CreatedAt: now,
+				StartedAt: &now,
+			}
+
+			err := h.ProcessChatMessage(context.Background(), job)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ProcessChatMessage() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestTaskHandlers_SendNotification(t *testing.T) {
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+	h := NewTaskHandlers(logger)
+
+	tests := []struct {
+		name    string
+		payload map[string]any
+		wantErr bool
+	}{
+		{
+			name: "valid notification",
+			payload: map[string]any{
+				"user_id": "user-456",
+				"type":    "email",
+				"message": "You have a new message",
+			},
+			wantErr: false,
+		},
+		{
+			name: "missing user_id",
+			payload: map[string]any{
+				"type":    "email",
+				"message": "You have a new message",
+			},
+			wantErr: true,
+		},
+		{
+			name: "missing type",
+			payload: map[string]any{
+				"user_id": "user-456",
+				"message": "You have a new message",
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			now := time.Now()
+			job := &queue.Job{
+				ID:        "job-123",
+				Type:      "send_notification",
+				Payload:   tt.payload,
+				Status:    queue.StatusRunning,
+				CreatedAt: now,
+				StartedAt: &now,
+			}
+
+			err := h.SendNotification(context.Background(), job)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("SendNotification() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestTaskHandlers_SyncData(t *testing.T) {
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+	h := NewTaskHandlers(logger)
+
+	tests := []struct {
+		name    string
+		payload map[string]any
+		wantErr bool
+	}{
+		{
+			name: "valid sync",
+			payload: map[string]any{
+				"source":      "database-a",
+				"destination": "database-b",
+			},
+			wantErr: false,
+		},
+		{
+			name: "missing source",
+			payload: map[string]any{
+				"destination": "database-b",
+			},
+			wantErr: true,
+		},
+		{
+			name: "missing destination",
+			payload: map[string]any{
+				"source": "database-a",
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			now := time.Now()
+			job := &queue.Job{
+				ID:        "job-123",
+				Type:      "sync_data",
+				Payload:   tt.payload,
+				Status:    queue.StatusRunning,
+				CreatedAt: now,
+				StartedAt: &now,
+			}
+
+			err := h.SyncData(context.Background(), job)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("SyncData() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestTaskHandlers_ProcessWebhook(t *testing.T) {
+	logger := logging.New(logging.Config{Level: logging.LevelDebug})
+	h := NewTaskHandlers(logger)
+
+	tests := []struct {
+		name    string
+		payload map[string]any
+		wantErr bool
+	}{
+		{
+			name: "valid webhook",
+			payload: map[string]any{
+				"webhook_id": "wh-123",
+				"event_type": "user.created",
+			},
+			wantErr: false,
+		},
+		{
+			name: "missing webhook_id",
+			payload: map[string]any{
+				"event_type": "user.created",
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			now := time.Now()
+			job := &queue.Job{
+				ID:        "job-123",
+				Type:      "process_webhook",
+				Payload:   tt.payload,
+				Status:    queue.StatusRunning,
+				CreatedAt: now,
+				StartedAt: &now,
+			}
+
+			err := h.ProcessWebhook(context.Background(), job)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ProcessWebhook() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}