feat/auth-hook: add post auth hook

internal/api/handlers/management/auth_files.go

@@ -864,11 +864,17 @@ func (h *Handler) saveTokenRecord(ctx context.Context, record *coreauth.Auth) (s
 	if store == nil {
 		return "", fmt.Errorf("token store unavailable")
 	}
+	if h.postAuthHook != nil {
+		if err := h.postAuthHook(ctx, record); err != nil {
+			return "", fmt.Errorf("post-auth hook failed: %w", err)
+		}
+	}
 	return store.Save(ctx, record)
 }
 
 func (h *Handler) RequestAnthropicToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 
 	fmt.Println("Initializing Claude authentication...")
 
@@ -1013,6 +1019,7 @@ func (h *Handler) RequestAnthropicToken(c *gin.Context) {
 
 func (h *Handler) RequestGeminiCLIToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 	proxyHTTPClient := util.SetProxy(&h.cfg.SDKConfig, &http.Client{})
 	ctx = context.WithValue(ctx, oauth2.HTTPClient, proxyHTTPClient)
 
@@ -1247,6 +1254,7 @@ func (h *Handler) RequestGeminiCLIToken(c *gin.Context) {
 
 func (h *Handler) RequestCodexToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 
 	fmt.Println("Initializing Codex authentication...")
 
@@ -1392,6 +1400,7 @@ func (h *Handler) RequestCodexToken(c *gin.Context) {
 
 func (h *Handler) RequestAntigravityToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 
 	fmt.Println("Initializing Antigravity authentication...")
 
@@ -1556,6 +1565,7 @@ func (h *Handler) RequestAntigravityToken(c *gin.Context) {
 
 func (h *Handler) RequestQwenToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 
 	fmt.Println("Initializing Qwen authentication...")
 
@@ -1611,6 +1621,7 @@ func (h *Handler) RequestQwenToken(c *gin.Context) {
 
 func (h *Handler) RequestKimiToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 
 	fmt.Println("Initializing Kimi authentication...")
 
@@ -1687,6 +1698,7 @@ func (h *Handler) RequestKimiToken(c *gin.Context) {
 
 func (h *Handler) RequestIFlowToken(c *gin.Context) {
 	ctx := context.Background()
+	ctx = PopulateAuthContext(ctx, c)
 
 	fmt.Println("Initializing iFlow authentication...")
 
@@ -2266,3 +2278,28 @@ func (h *Handler) GetAuthStatus(c *gin.Context) {
 	}
 	c.JSON(http.StatusOK, gin.H{"status": "wait"})
 }
+
+// PopulateAuthContext extracts request info and adds it to the context
+func PopulateAuthContext(ctx context.Context, c *gin.Context) context.Context {
+	info := &coreauth.RequestInfo{
+		Query:   make(map[string]string),
+		Headers: make(map[string]string),
+	}
+
+	// Capture all query parameters
+	for k, v := range c.Request.URL.Query() {
+		if len(v) > 0 {
+			info.Query[k] = v[0]
+		}
+	}
+
+	// Capture specific headers relevant for logging/auditing
+	headers := []string{"User-Agent", "X-Forwarded-For", "X-Real-IP", "Referer"}
+	for _, h := range headers {
+		if val := c.GetHeader(h); val != "" {
+			info.Headers[h] = val
+		}
+	}
+
+	return context.WithValue(ctx, "request_info", info)
+}