WIP: Save agent roles integration work before CHORUS rebrand

- Agent roles and coordination features
- Chat API integration testing
- New configuration and workspace management

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/github.com/libp2p/go-libp2p/internal/sha256/post_go1_21.go

@@ -0,0 +1,23 @@
+//go:build go1.21
+
+// This package use build tags to select between github.com/minio/sha256-simd
+// for go1.20 and bellow and crypto/sha256 for go1.21 and above.
+// This is used because a fast SHANI implementation of sha256 is only avaiable
+// in the std for go1.21 and above. See https://go.dev/issue/50543.
+// TODO: Once go1.22 releases remove this package and replace all uses
+// with crypto/sha256 because the two supported version of go will have the fast
+// implementation.
+package sha256
+
+import (
+	"crypto/sha256"
+	"hash"
+)
+
+func Sum256(b []byte) [sha256.Size]byte {
+	return sha256.Sum256(b)
+}
+
+func New() hash.Hash {
+	return sha256.New()
+}

vendor/github.com/libp2p/go-libp2p/internal/sha256/pre_go1_21.go

@@ -0,0 +1,24 @@
+//go:build !go1.21
+
+// This package use build tags to select between github.com/minio/sha256-simd
+// for go1.20 and bellow and crypto/sha256 for go1.21 and above.
+// This is used because a fast SHANI implementation of sha256 is only avaiable
+// in the std for go1.21 and above. See https://go.dev/issue/50543.
+// TODO: Once go1.22 releases remove this package and replace all uses
+// with crypto/sha256 because the two supported version of go will have the fast
+// implementation.
+package sha256
+
+import (
+	"hash"
+
+	"github.com/minio/sha256-simd"
+)
+
+func Sum256(b []byte) [sha256.Size]byte {
+	return sha256.Sum256(b)
+}
+
+func New() hash.Hash {
+	return sha256.New()
+}