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feat: multi-engine search stack + visibility check #132

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abiba-bot merged 2 commits from fix/search-stack-multi-engine-20260925 into master 2026-09-25 01:31:56 +00:00
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abiba-bot commented 2026-09-25 01:14:23 +00:00
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Summary

Multi-engine search stack + visibility check.

  • Upgraded SearXNG to 2026.9.23 (browser impersonation) so google cse, brave and yandex contribute alongside bing.
  • DuckDuckGo routed through a VPS forward proxy over WireGuard via per-engine network.
  • Adds scripts/search-stack-check.py + search-stack-visibility.prose.md; FAILS on <2 contributing engines, empty Firecrawl extraction, and reports silent-zero engines.
  • Scheduled hourly at :15 on CT 100 via /etc/cron.d/contract-runner.

Deployed and verified live: 4+ engines per query, Bing preserved, extraction healthy. See commit 040fece for full evidence.

No master push, no merge.

## Summary Multi-engine search stack + visibility check. - Upgraded SearXNG to 2026.9.23 (browser impersonation) so google cse, brave and yandex contribute alongside bing. - DuckDuckGo routed through a VPS forward proxy over WireGuard via per-engine `network`. - Adds `scripts/search-stack-check.py` + `search-stack-visibility.prose.md`; FAILS on <2 contributing engines, empty Firecrawl extraction, and reports silent-zero engines. - Scheduled hourly at :15 on CT 100 via /etc/cron.d/contract-runner. Deployed and verified live: 4+ engines per query, Bing preserved, extraction healthy. See commit 040fece for full evidence. No master push, no merge.
abiba-bot added 1 commit 2026-09-25 01:14:24 +00:00
feat: multi-engine search stack + visibility check
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040fecef3e 
Search stack (192.168.68.7) was effectively Bing-only: google served a JS
shell, duckduckgo CAPTCHA'd from the house egress, and every other shipped
engine returned a silent zero. Upgraded SearXNG to 2026.9.23 (same pinned
digest as the image already pulled by other hosts) which uses browser
impersonation, and routed DuckDuckGo through a VPS forward proxy over the
existing WireGuard tunnel via a per-engine 'network'.

Live result: bing, google cse, brave and yandex contribute on every query;
duckduckgo is best-effort via the datacenter egress.

Adds the visibility leg so a future regression cannot be silent:

  scripts/search-stack-check.py
    * two fixed queries; FAILS when fewer than two engines contribute,
      printing contributing engines and every unresponsive_engines entry
    * FAILS when Firecrawl extraction returns empty markdown or errors
    * reports silent-zero engines explicitly

  scripts/contract-run.sh
    * maps search-stack-visibility -> search-stack-check.py

  search-stack-visibility.prose.md
    * contract text, execution model, pass/fail shapes, residual risk

Scheduled hourly at :15 on CT 100 via /etc/cron.d/contract-runner.
abiba-bot added 1 commit 2026-09-25 01:19:32 +00:00
docs+check: correct DDG status, explain silent-zero semantics, credit google cse
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8b2eba4f7a 
Follow-up corrections after review:

1. DuckDuckGo is NOT fixed. The VPS fallback egress has since been flagged by
   DuckDuckGo too (HTTP 202 + challenge markers), so it reports CAPTCHA on both
   paths. The contract and script docstring now say so instead of claiming a
   fix that had already expired. It stays enabled as best-effort coverage so a
   recovery shows up as a contribution.

2. The relationship between silent zeros and the verdict is now explicit in
   both the script output and the contract: an enabled expected engine that
   contributes zero with no error is REPORTED, not fatal. Only the
   <SEARCH_CHECK_MIN_ENGINES> floor and the extraction leg fail the run. This is
   deliberate - de-duplication and query-shape make a zero non-probative.

3. Recorded that 'google cse' uses a THIRD PARTY's public search-engine id
   hardcoded in the SearXNG build, not a key we own; its quota and availability
   are outside our control, and our own free key would need a wrapper (not
   built).

VPS forward proxy is now a real service: /opt/fwd-proxy docker compose with
restart: unless-stopped, a healthy healthcheck, and Docker enabled at boot.
abiba-bot merged commit 5409dfd73a into master 2026-09-25 01:31:56 +00:00
abiba-bot deleted branch fix/search-stack-multi-engine-20260925 2026-09-25 01:32:09 +00:00
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abiba-bot jerome (Jerome Kwame Tabiri) kagentz-bot kwame (Kwame Tabiri) mumuni-bot (Mumuni 🦅 (Syslog Falcon)) tanko-bot theo
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Reference: SyslogSolution/prose-contracts#132