Trying to add _ls and _tree subcalls to item paths..

types/types.go

@@ -232,6 +232,38 @@ type MerkleTreeDiffResponse struct {
 	Keys     []string     `json:"keys,omitempty"`     // Actual keys if this is a leaf-level diff
 }
 
+// KeyListResponse is the response for _ls endpoint
+type KeyListResponse struct {
+	Path      string `json:"path"`
+	Children  []struct {
+		Subkey    string `json:"subkey"`
+		Timestamp int64  `json:"timestamp,omitempty"`
+	} `json:"children"`
+	Total     int  `json:"total"`
+	Truncated bool `json:"truncated"`
+}
+
+// KeyTreeResponse is the response for _tree endpoint
+type KeyTreeResponse struct {
+	Path      string `json:"path"`
+	Children  []interface{} `json:"children"` // Mixed: either KeyTreeNode or KeyListItem for leaves
+	Total     int      `json:"total"`
+	Truncated bool     `json:"truncated"`
+}
+
+// KeyTreeNode represents a node in the tree
+type KeyTreeNode struct {
+	Subkey    string      `json:"subkey"`
+	Timestamp int64       `json:"timestamp,omitempty"`
+	Children  []interface{} `json:"children,omitempty"`
+}
+
+// KeyListItem represents a leaf in the tree (without children)
+type KeyListItem struct {
+	Subkey    string `json:"subkey"`
+	Timestamp int64  `json:"timestamp,omitempty"`
+}
+
 // For fetching a range of KV pairs
 type KVRangeRequest struct {
 	StartKey string `json:"start_key"`
@@ -294,4 +326,7 @@ type Config struct {
 	// Anonymous access control (Issue #5)
 	AllowAnonymousRead     bool `yaml:"allow_anonymous_read"`     // Allow unauthenticated read access to KV endpoints
 	AllowAnonymousWrite    bool `yaml:"allow_anonymous_write"`    // Allow unauthenticated write access to KV endpoints
+
+	// Key listing configuration
+	KeyListingEnabled bool `yaml:"key_listing_enabled"` // Enable/disable hierarchical key listing
 }