ops: migrate legacy event sequences safely

Dockerfile.api

@@ -1,9 +1,12 @@
 FROM golang:1.22-alpine AS build
 WORKDIR /src
+ARG BUILD_REVISION=devel
+ARG BUILD_TIME=unknown
+ARG BUILD_DIRTY=unknown
 COPY go.mod ./
 RUN go mod download
 COPY . ./
-RUN go build -trimpath -ldflags='-s -w' -o /out/orchestra ./cmd/orchestra
+RUN go build -trimpath -ldflags="-s -w -X orchestra/internal/buildinfo.Revision=${BUILD_REVISION} -X orchestra/internal/buildinfo.Time=${BUILD_TIME} -X orchestra/internal/buildinfo.Dirty=${BUILD_DIRTY}" -o /out/orchestra ./cmd/orchestra
 
 FROM alpine:3.21
 RUN adduser -D -u 10001 orchestra