Deliverability Guardian, Signal Stack & pilot-safety hardening#2
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Security & tenant safety: - Dashboard/outbox APIs derive tenant from the JWT (remove X-Tenant-ID trust) - JWT + credential encryption fail closed on placeholder secrets - Per-IP auth rate limiting; legacy console secure-by-default - EngineRuntime tenant-scope guard (no accidental all-tenant sweeps) Deliverability (the wedge): - Deliverability Guardian: pre-send spam + AI-fingerprint risk scoring; forces human approval on high-risk drafts even past the trust-ramp - Bounce detection -> auto-pause; events-based mailbox health on the dispatch path - Daily send-cap enforcement; ESP matching (Gmail->Gmail) wired into the router - DKIM preflight warning Signal Stack + AI: - SignalStackPolicy: account-grouped, freshness-gated, evidence-preserving intent -> prospect pipeline - Real token-based LLM cost accounting (usageMetadata); certifi TLS for Gemini - Optional OpenAI LLM critic for the Guardian Onboarding: - "3-minute setup": paste a website -> auto-drafted campaign (SSRF-guarded, JWT + rate-limited) 15+ new test files; full backend suite green (411 tests). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
Turns Attainly's wedge (deliverability-safe, human-approved, auditable AI outbound) into working code, and closes the security/reliability gaps a pilot would hit.
Security & tenant safety
X-Tenant-IDheader trust)EngineRuntimetenant-scope guardDeliverability (the differentiator)
Signal Stack + AI
SignalStackPolicy— account-grouped, freshness-gated, evidence-preserving intent→prospectOnboarding
Tests
15+ new test files; full backend suite green (411 passed).
Notes
🤖 Generated with Claude Code