Integrate BACKBEAT SDK and resolve KACHING license validation

Major integrations and fixes:
- Added BACKBEAT SDK integration for P2P operation timing
- Implemented beat-aware status tracking for distributed operations
- Added Docker secrets support for secure license management
- Resolved KACHING license validation via HTTPS/TLS
- Updated docker-compose configuration for clean stack deployment
- Disabled rollback policies to prevent deployment failures
- Added license credential storage (CHORUS-DEV-MULTI-001)

Technical improvements:
- BACKBEAT P2P operation tracking with phase management
- Enhanced configuration system with file-based secrets
- Improved error handling for license validation
- Clean separation of KACHING and CHORUS deployment stacks

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

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

vendor/go.etcd.io/bbolt/internal/common/meta.go

@@ -0,0 +1,161 @@
+package common
+
+import (
+	"fmt"
+	"hash/fnv"
+	"io"
+	"unsafe"
+
+	"go.etcd.io/bbolt/errors"
+)
+
+type Meta struct {
+	magic    uint32
+	version  uint32
+	pageSize uint32
+	flags    uint32
+	root     InBucket
+	freelist Pgid
+	pgid     Pgid
+	txid     Txid
+	checksum uint64
+}
+
+// Validate checks the marker bytes and version of the meta page to ensure it matches this binary.
+func (m *Meta) Validate() error {
+	if m.magic != Magic {
+		return errors.ErrInvalid
+	} else if m.version != Version {
+		return errors.ErrVersionMismatch
+	} else if m.checksum != m.Sum64() {
+		return errors.ErrChecksum
+	}
+	return nil
+}
+
+// Copy copies one meta object to another.
+func (m *Meta) Copy(dest *Meta) {
+	*dest = *m
+}
+
+// Write writes the meta onto a page.
+func (m *Meta) Write(p *Page) {
+	if m.root.root >= m.pgid {
+		panic(fmt.Sprintf("root bucket pgid (%d) above high water mark (%d)", m.root.root, m.pgid))
+	} else if m.freelist >= m.pgid && m.freelist != PgidNoFreelist {
+		// TODO: reject pgidNoFreeList if !NoFreelistSync
+		panic(fmt.Sprintf("freelist pgid (%d) above high water mark (%d)", m.freelist, m.pgid))
+	}
+
+	// Page id is either going to be 0 or 1 which we can determine by the transaction ID.
+	p.id = Pgid(m.txid % 2)
+	p.SetFlags(MetaPageFlag)
+
+	// Calculate the checksum.
+	m.checksum = m.Sum64()
+
+	m.Copy(p.Meta())
+}
+
+// Sum64 generates the checksum for the meta.
+func (m *Meta) Sum64() uint64 {
+	var h = fnv.New64a()
+	_, _ = h.Write((*[unsafe.Offsetof(Meta{}.checksum)]byte)(unsafe.Pointer(m))[:])
+	return h.Sum64()
+}
+
+func (m *Meta) Magic() uint32 {
+	return m.magic
+}
+
+func (m *Meta) SetMagic(v uint32) {
+	m.magic = v
+}
+
+func (m *Meta) Version() uint32 {
+	return m.version
+}
+
+func (m *Meta) SetVersion(v uint32) {
+	m.version = v
+}
+
+func (m *Meta) PageSize() uint32 {
+	return m.pageSize
+}
+
+func (m *Meta) SetPageSize(v uint32) {
+	m.pageSize = v
+}
+
+func (m *Meta) Flags() uint32 {
+	return m.flags
+}
+
+func (m *Meta) SetFlags(v uint32) {
+	m.flags = v
+}
+
+func (m *Meta) SetRootBucket(b InBucket) {
+	m.root = b
+}
+
+func (m *Meta) RootBucket() *InBucket {
+	return &m.root
+}
+
+func (m *Meta) Freelist() Pgid {
+	return m.freelist
+}
+
+func (m *Meta) SetFreelist(v Pgid) {
+	m.freelist = v
+}
+
+func (m *Meta) IsFreelistPersisted() bool {
+	return m.freelist != PgidNoFreelist
+}
+
+func (m *Meta) Pgid() Pgid {
+	return m.pgid
+}
+
+func (m *Meta) SetPgid(id Pgid) {
+	m.pgid = id
+}
+
+func (m *Meta) Txid() Txid {
+	return m.txid
+}
+
+func (m *Meta) SetTxid(id Txid) {
+	m.txid = id
+}
+
+func (m *Meta) IncTxid() {
+	m.txid += 1
+}
+
+func (m *Meta) DecTxid() {
+	m.txid -= 1
+}
+
+func (m *Meta) Checksum() uint64 {
+	return m.checksum
+}
+
+func (m *Meta) SetChecksum(v uint64) {
+	m.checksum = v
+}
+
+func (m *Meta) Print(w io.Writer) {
+	fmt.Fprintf(w, "Version:    %d\n", m.version)
+	fmt.Fprintf(w, "Page Size:  %d bytes\n", m.pageSize)
+	fmt.Fprintf(w, "Flags:      %08x\n", m.flags)
+	fmt.Fprintf(w, "Root:       <pgid=%d>\n", m.root.root)
+	fmt.Fprintf(w, "Freelist:   <pgid=%d>\n", m.freelist)
+	fmt.Fprintf(w, "HWM:        <pgid=%d>\n", m.pgid)
+	fmt.Fprintf(w, "Txn ID:     %d\n", m.txid)
+	fmt.Fprintf(w, "Checksum:   %016x\n", m.checksum)
+	fmt.Fprintf(w, "\n")
+}