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2026-07-13 12:58:18 +08:00

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#!/usr/bin/env bash
# showcase cvdiag — query, classify, replay, and purge the CVDIAG
# flap-observability event store (the `cvdiag_events` / `cvdiag_raw_byte_samples`
# PocketBase collections). Sourced by the main dispatcher; do not execute
# directly.
#
# Backed by the L2-B node entrypoints under harness/src/cvdiag/:
# timeline → cli-replay.ts (ordered boundary timeline for a test-id)
# classify → cli-classify.ts (run the L2-A flap classifier over a test-id)
# replay → cli-replay.ts (reconstruct + validate the request sequence)
# purge → cli-purge.ts (cascade-delete events + raw-byte samples,
# then emit a cvdiag.purge_audit accounting event)
# ab-report → cli-ab-report.ts (diff the edge vs Railway-internal A/B arms,
# grouped by ab_pair_id, from the collector JSON)
#
# All reads/writes go through the harness PB superuser client, which bypasses
# the three-key ACL (the writer/purge/migration role keys are write-only — see
# the cvdiag_events migration). The CLI inherits POCKETBASE_URL +
# POCKETBASE_SUPERUSER_EMAIL/PASSWORD from the environment.
CMD_CVDIAG_DESC="Query/classify/replay/purge the CVDIAG flap-observability store"
usage_cvdiag() {
cat <<'HELP'
Usage: showcase cvdiag <subcommand> <test-id|selector>
Subcommands:
timeline <test-id> Print the ordered boundary timeline for a test-id.
classify <test-id> Run the flap classifier; print class + confidence +
reason + evidence as JSON. (alias: --classify)
replay <test-id> Reconstruct + validate the request sequence as JSON.
Rejects malformed stored rows with a clear error.
(alias: --replay)
purge <selector> Delete cvdiag_events matching the selector AND cascade
to cvdiag_raw_byte_samples, then emit a
cvdiag.purge_audit accounting event. The selector is a
test-id (UUIDv7) or a slug. (alias: --purge)
ab-report [file] Diff the edge vs Railway-internal A/B arms (grouped by
ab_pair_id) and print the report as JSON. Reads the
collected AbOutcomeRecord[] JSON from <file>, or from
stdin when no file is given. (alias: --ab-report)
Environment:
POCKETBASE_URL PB base URL (required outside test/dev).
POCKETBASE_SUPERUSER_EMAIL Superuser identity for the CLI reads/writes.
POCKETBASE_SUPERUSER_PASSWORD
CVDIAG_OPERATOR_ID Operator id stamped on the purge audit (purge).
Examples:
showcase cvdiag timeline 0190b8a0-0000-7000-8000-000000000001
showcase cvdiag classify 0190b8a0-0000-7000-8000-000000000001
showcase cvdiag replay 0190b8a0-0000-7000-8000-000000000001
showcase cvdiag purge 0190b8a0-0000-7000-8000-000000000001
showcase cvdiag purge langgraph-python
showcase cvdiag ab-report ab-outcomes.json
showcase cvdiag ab-report < ab-outcomes.json
HELP
}
# Run a cvdiag node entrypoint via tsx from the harness package. Passes the
# remaining args through verbatim. The entrypoint owns its own arg/usage checks
# and exit codes (0 ok, 1 operational error e.g. a malformed row, 2 usage).
_cvdiag_run_entrypoint() {
local script="$1"
shift
local harness_dir="$SHOWCASE_ROOT/harness"
[[ -f "$harness_dir/src/cvdiag/$script" ]] \
|| die "Missing $script — is the cvdiag CLI (L2-B) present?"
(cd "$harness_dir" && npx tsx "src/cvdiag/$script" "$@")
}
# timeline: reconstruct the ordered sequence (cli-replay.ts) and render it as a
# compact one-line-per-boundary timeline. Falls back to the raw JSON when jq is
# unavailable so the command still works without it.
cvdiag_timeline() {
local test_id="${1:-}"
[[ -n "$test_id" ]] || die "test-id required (see showcase cvdiag --help)"
local json
if ! json="$(_cvdiag_run_entrypoint cli-replay.ts "$test_id")"; then
die "cvdiag timeline failed for $test_id (see error above)"
fi
if command -v jq >/dev/null 2>&1; then
info "Boundary timeline for $test_id"
echo "$json" | jq -r '
.events[]
| "\(.ts) [\(.layer)] \(.boundary) outcome=\(.outcome)"
'
else
echo "$json"
fi
}
cmd_cvdiag() {
local subcmd="${1:-}"
shift || true
case "$subcmd" in
""|-h|--help|help)
usage_cvdiag
[[ -z "$subcmd" ]] && return 1
return 0
;;
timeline)
cvdiag_timeline "$@"
;;
classify|--classify)
_cvdiag_run_entrypoint cli-classify.ts "$@"
;;
replay|--replay)
_cvdiag_run_entrypoint cli-replay.ts "$@"
;;
purge|--purge)
_cvdiag_run_entrypoint cli-purge.ts "$@"
;;
ab-report|--ab-report)
_cvdiag_run_entrypoint cli-ab-report.ts "$@"
;;
*)
die "Unknown cvdiag subcommand: $subcmd (see showcase cvdiag --help)"
;;
esac
}