forked from bchanot/claude
Bastien Chanot
f69cfc5cb4
seo-analyzer.md:1365 keeps history as "date + score + key changes" — prose the
LLM writes about its own previous prose. Lossy, unreproducible, and
machine-uncomparable, so "the redesign silently dropped 40 canonicals" is
invisible unless someone happens to notice.
drift snapshots title/description/canonical/robots/h1_count/jsonld_types per
URL and diffs them. Stdlib only, no auth.
The classification IS the feature: LOSING a signal is a regression, CHANGING
one is a change that may well be intended. The engine says which kind; the
agent judges. A reworded title is not an alert; an evaporated canonical is.
Runs over the WHOLE sitemap, never a sample — caught while designing: a drift
computed over a sample that changes between runs compares nothing.
NOT rank tracking. That is the common misread of this same feature elsewhere;
positions come from GSC `queries`. This is on-page regression detection.
Also caught in my own draft before testing: _capture reused
sm._mock("page.html"), the exact single-fixture flaw I had already fixed in
linkgraph — one fixture cannot express a multi-page snapshot, every URL would
read identical. Now pages.json, same convention.
Proved on a planted failure rather than a happy path — two clean sites would
look identical to a detector that always returns []:
v1 -> v2: canonical lost on /a, h1 + jsonld lost on /, title reworded,
/gone removed, /neuve added
→ 3 regressions, 1 change, gone/new both detected, title correctly NOT a
regression.
Store is ~/.claude/seo-data/drift/<host>.json, 0700, written via os.replace so
a crash never leaves a half-written baseline; a corrupt store degrades to
"first run" instead of killing the audit.
Verified: seo-data 144 -> 155 pass, 0 fail; full suite green.
56 lines
2.5 KiB
Bash
56 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# Stable entrypoint for the seo-data engine. JSON on stdout; exit 0 on ok/degrade,
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# exit 2 on bad usage. Never prints secrets.
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set -uo pipefail
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HERE="$(cd "$(dirname "$0")" && pwd)"
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ENV_FILE="${SEO_DATA_ENV_FILE:-${HOME}/.claude/.env}" # canonical; tests override to /dev/null
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STORE="${SEO_DATA_STORE:-${HOME}/.claude/seo-data/tokens.json}"
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VENV_PY="${HOME}/.claude/.venv-seo-data/bin/python3"
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# Library stderr must never leak a secret into agent context — suppress it
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# globally unless explicitly debugging (SEO_DATA_DEBUG=1 restores it).
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[ -n "${SEO_DATA_DEBUG:-}" ] || exec 2>/dev/null
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# Load secrets quietly (sourced, never echoed).
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if [ -f "$ENV_FILE" ]; then
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set -a; # shellcheck source=/dev/null
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. "$ENV_FILE"; set +a
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fi
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# Prefer the isolated venv (has google-auth); fall back to system python3 for
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# stdlib-only paths (accounts / mock / degrade).
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PY="python3"; [ -x "$VENV_PY" ] && PY="$VENV_PY"
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# Whole-string label guard (shell-safe ASCII). POSIX `case` in a C-locale
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# subshell — newline-proof and locale-independent, unlike a per-line grep.
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_label_safe() ( LC_ALL=C; case "$1" in ''|[!A-Za-z0-9]*|*[!A-Za-z0-9._-]*) exit 1;; esac )
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cmd="${1:-}"; shift || true
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case "$cmd" in
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accounts) exec "$PY" "$HERE/tokenstore.py" list --file "$STORE" ;;
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crux|queries|inspect|cannibal)
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exec "$PY" "$HERE/google_seo.py" "$cmd" --store "$STORE" "$@" ;;
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# No auth, no Google: stdlib-only, runs even without the venv.
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sitemap)
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exec "$PY" "$HERE/sitemap.py" --store "$STORE" "$@" ;;
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drift)
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exec "$PY" "$HERE/drift.py" --store "$STORE" "$@" ;;
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rendercheck)
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exec "$PY" "$HERE/render_check.py" --store "$STORE" "$@" ;;
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linkgraph)
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exec "$PY" "$HERE/linkgraph.py" --store "$STORE" "$@" ;;
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forget)
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# forget --label <label> → drop one account; forget --all → empty the store.
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# Local removal only — does NOT revoke the grant at Google's end.
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# Label charset guard: store keys stay shell-safe wherever an agent
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# interpolates them into a command line (defense-in-depth vs injection).
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if [ "${1:-}" = "--all" ]; then
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exec "$PY" "$HERE/tokenstore.py" clear --file "$STORE"
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elif [ "${1:-}" = "--label" ] && _label_safe "${2:-}"; then
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exec "$PY" "$HERE/tokenstore.py" remove --file "$STORE" --label "$2"
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fi
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echo '{"status":"error","reason":"usage: fetch.sh forget {--label <label>|--all} (label charset: A-Za-z0-9._-)"}'
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exit 2 ;;
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*) echo '{"status":"error","reason":"usage: fetch.sh {accounts|crux|queries|inspect|cannibal|sitemap|rendercheck|linkgraph|drift|forget} [flags]"}'
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exit 2 ;;
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esac
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