feat: instrument controller with distributed tracing and A2A trace propagation

Signed-off-by: Brian Fox <878612+onematchfox@users.noreply.github.com>

Author: onematchfox

Makefile

@@ -440,7 +440,7 @@ open-dev-container:
 otel-local:
 	docker rm -f jaeger-desktop || true
 	docker run -d --name jaeger-desktop --restart=always -p 16686:16686 -p 4317:4317 -p 4318:4318 jaegertracing/jaeger:2.7.0
-	open http://localhost:16686/
+	@echo "Jaeger UI available at http://localhost:16686/"
 
 .PHONY: kind-debug
 kind-debug:

go/core/go.mod

@@ -28,8 +28,8 @@ require (
 	github.com/stoewer/go-strcase v1.3.1
 	github.com/stretchr/testify v1.11.1
 	go.uber.org/automaxprocs v1.6.0
-	golang.org/x/text v0.33.0
-	google.golang.org/protobuf v1.36.9
+	golang.org/x/text v0.34.0
+	google.golang.org/protobuf v1.36.11
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/postgres v1.6.0
 	gorm.io/gorm v1.31.1
@@ -44,7 +44,7 @@ require (
 )
 
 require (
-	cel.dev/expr v0.24.0 // indirect
+	cel.dev/expr v0.25.1 // indirect
 	github.com/abiosoft/ishell v2.0.0+incompatible // indirect
 	github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db // indirect
 	github.com/anthropics/anthropic-sdk-go v1.13.0 // indirect
@@ -54,6 +54,7 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
 	github.com/charmbracelet/x/ansi v0.10.1 // indirect
@@ -85,7 +86,7 @@ require (
 	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/jsonschema-go v0.4.2 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.28.0 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
@@ -118,8 +119,9 @@ require (
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.66.1 // indirect
-	github.com/prometheus/procfs v0.16.1 // indirect
+	github.com/prometheus/common v0.67.5 // indirect
+	github.com/prometheus/otlptranslator v1.0.0 // indirect
+	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/sagikazarmark/locafero v0.11.0 // indirect
@@ -138,31 +140,45 @@ require (
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
-	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/bridges/prometheus v0.66.0 // indirect
+	go.opentelemetry.io/contrib/exporters/autoexport v0.66.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 // indirect
-	go.opentelemetry.io/otel v1.36.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.34.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.34.0 // indirect
-	go.opentelemetry.io/otel/metric v1.36.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.36.0 // indirect
-	go.opentelemetry.io/otel/trace v1.36.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
+	go.opentelemetry.io/otel v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.17.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.17.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/prometheus v0.63.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.17.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.41.0 // indirect
+	go.opentelemetry.io/otel/log v0.17.0 // indirect
+	go.opentelemetry.io/otel/metric v1.41.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.41.0 // indirect
+	go.opentelemetry.io/otel/sdk/log v0.17.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v1.41.0 // indirect
+	go.opentelemetry.io/otel/trace v1.41.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.45.0 // indirect
+	golang.org/x/crypto v0.48.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
-	golang.org/x/net v0.47.0 // indirect
-	golang.org/x/oauth2 v0.34.0 // indirect
+	golang.org/x/net v0.50.0 // indirect
+	golang.org/x/oauth2 v0.35.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.40.0 // indirect
-	golang.org/x/term v0.37.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/term v0.40.0 // indirect
 	golang.org/x/time v0.9.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a // indirect
-	google.golang.org/grpc v1.72.2 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57 // indirect
+	google.golang.org/grpc v1.79.1 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	k8s.io/apiextensions-apiserver v0.35.0 // indirect