Report Connect usage events

Makefile

@@ -848,6 +848,7 @@ ADDLICENSE_ARGS := -c 'Gravitational, Inc' -l apache \
 		-ignore 'lib/srv/desktop/rdp/rdpclient/target/**' \
 		-ignore 'lib/teleterm/api/protogen/**' \
 		-ignore 'lib/prehog/gen/**' \
+		-ignore 'lib/prehog/gen-js/**' \
 		-ignore 'lib/web/build/**' \
 		-ignore 'version.go' \
 		-ignore 'webassets/**' \
@@ -1039,6 +1040,7 @@ grpc-teleterm:
 # Unlike grpc-teleterm, this target runs locally.
 .PHONY: grpc-teleterm/host
 grpc-teleterm/host: protos/all
+	$(BUF) generate --template=lib/prehog/buf-teleterm.gen.yaml lib/prehog/proto
 	$(BUF) generate --template=lib/teleterm/buf.gen.yaml lib/teleterm/api/proto
 
 .PHONY: goinstall

lib/prehog/buf-teleterm.gen.yaml

@@ -0,0 +1,30 @@
+# buf-teleterm.gen.yaml is identical to buf.gen.yaml,
+# with the exception of three additional JS plugins.
+version: v1
+managed:
+  enabled: true
+  go_package_prefix:
+    default: github.com/gravitational/teleport/lib/prehog/gen
+plugins:
+  - name: go
+    path: lib/prehog/bin/protoc-gen-go
+    out: lib/prehog/gen
+    opt:
+      - paths=source_relative
+  - name: connect-go
+    path: lib/prehog/bin/protoc-gen-connect-go
+    out: lib/prehog/gen
+    opt:
+      - paths=source_relative
+
+  - name: js
+    out: lib/prehog/gen-js
+    opt:
+      - import_style=commonjs,binary
+  - name: grpc
+    out: lib/prehog/gen-js
+    opt: grpc_js
+    path: grpc_tools_node_protoc_plugin
+  - name: ts
+    out: lib/prehog/gen-js
+    opt: "service=grpc-node"