refactor: update worker processes in EvoBGP to accept dependencies for shared store and job registry. Enhance scheduler, ingest, render, and deploy components to utilize a unified context and improve logging for drift detection. Update architecture documentation to reflect changes in process interactions and worker functionalities.

internal/store/backend.go

@@ -10,6 +10,9 @@ type Backend interface {
 	// DemoIDs is non-empty only after SeedDemo (memory or seeded SQL).
 	DemoIDs() (tenant, moduleCDN, moduleIP, revision, speaker string)
 
+	// ListTenantIDs returns distinct tenant identifiers (for background workers).
+	ListTenantIDs() ([]string, error)
+
 	ListModules(tenantID string) []*Module
 	GetModule(tenantID, moduleID string) (*Module, error)
 	CreateModule(tenantID string, in *Module) (*Module, error)
@@ -64,6 +67,8 @@ type Backend interface {
 	ListRevisions(tenantID, moduleID string, cursor string, limit int) (items []*Revision, nextCursor string, hasMore bool)
 	ListRevisionPrefixes(tenantID, revisionID string, cursor string, limit int) (prefixes []PrefixRow, next string, more bool)
 	CreateRollbackRevision(tenantID, sourceRevisionID string) (newID string, err error)
+	// CreateRenderRevision inserts a new config_revision (revID must be unique) with materialized prefixes and preview fragments.
+	CreateRenderRevision(revisionID, tenantID, moduleID string, parentRevisionID *string, contentHash string, previewFragments map[string]string, prefixes []PrefixRow) error
 	RevisionDiff(tenantID, aID, bID string) (map[string]any, error)
 	SetLastAppliedRevision(tenantID, speakerID, revisionID string) error
 	PublishRevisionForSpeaker(speakerID, revisionID string) error

internal/store/memory.go

@@ -284,6 +284,62 @@ func (m *Memory) DemoIDs() (tenant, moduleCDN, moduleIP, revision, speaker strin
 	return m.demoTenantID, m.demoModuleCDN, m.demoModuleIP, m.demoRevisionID, m.demoSpeakerID
 }
 
+// ListTenantIDs returns tenant ids sorted lexicographically.
+func (m *Memory) ListTenantIDs() ([]string, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	out := make([]string, 0, len(m.tenants))
+	for id := range m.tenants {
+		out = append(out, id)
+	}
+	sort.Strings(out)
+	return out, nil
+}
+
+// CreateRenderRevision stores a new revision and its materialized prefixes.
+func (m *Memory) CreateRenderRevision(revisionID, tenantID, moduleID string, parentRevisionID *string, contentHash string, previewFragments map[string]string, prefixes []PrefixRow) error {
+	if strings.TrimSpace(revisionID) == "" || strings.TrimSpace(moduleID) == "" || strings.TrimSpace(contentHash) == "" {
+		return ErrInvalidInput
+	}
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	if _, exists := m.revisions[revisionID]; exists {
+		return ErrInvalidInput
+	}
+	mod, ok := m.modules[moduleID]
+	if !ok || mod.DeletedAt != nil || mod.TenantID != tenantID {
+		return ErrNotFound
+	}
+	if parentRevisionID != nil && *parentRevisionID != "" {
+		if pr, ok := m.revisions[*parentRevisionID]; !ok || pr.TenantID != tenantID {
+			return ErrNotFound
+		}
+	}
+	frag := make(map[string]string, len(previewFragments))
+	for k, v := range previewFragments {
+		frag[k] = v
+	}
+	parent := parentRevisionID
+	m.revisions[revisionID] = &Revision{
+		ID:                      revisionID,
+		TenantID:                tenantID,
+		ModuleID:                moduleID,
+		ContentHash:             contentHash,
+		ParentRevisionID:        parent,
+		CreatedAt:               time.Now().UTC(),
+		MaterializedPrefixCount: len(prefixes),
+		PreviewFragments:        frag,
+	}
+	if len(prefixes) > 0 {
+		cp := make([]PrefixRow, len(prefixes))
+		copy(cp, prefixes)
+		m.revPrefixes[revisionID] = cp
+	} else {
+		m.revPrefixes[revisionID] = nil
+	}
+	return nil
+}
+
 // ListModules returns modules for a tenant (sorted by priority, then name).
 func (m *Memory) ListModules(tenantID string) []*Module {
 	m.mu.RLock()