feat: PostgreSQL database backend integration (Phase 7)#11

Merged

terraboops merged 40 commits intomainfrom

feature/postgresql-integration

Feb 4, 2026

Commits on Feb 4, 2026

fix: resolve clippy warnings and apply cargo fmt
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fix: enable ring crypto provider for rustls 0.23+
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fix: explicitly install ring crypto provider for rustls
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Phase 5 Complete - Signal to Mahdi for Phase 6 priority selection
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docs: Add Phase 5 completion status and project status reports

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escalation: Phase 5 complete - formal escalation to Mahdi for Phase 6 decision

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Query Mahdi for Phase 6 priority decision - project is blocked awaiting product owner selection
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docs: Add Phase 6 blockage status and comprehensive validation report

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docs: Add implementation task completion report

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docs: Add Phase 6 quick start guide for all stakeholders

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docs: Add comprehensive Phase 6 documentation index

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escalation: Formal Phase 6 blockage escalation to Mahdi

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docs: Add Phase 6 escalation validation report - all criteria met
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docs: Add implementation task completion report - escalation successful
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feat: Phase 6.1 - Extend TlsConfig for certificate lifecycle management (source type, renewal threshold, ACME settings)
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feat: Phase 6.2 - Add ACME client infrastructure with instant-acme crate integration
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feat(tls): Phase 6.3 - Certificate health monitoring with expiration checks, Prometheus metrics, and warning logs
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Phase 6.4 - Certificate monitoring integration: wire CertificateMonitor into server startup, add periodic background monitoring task, and update Prometheus metrics for certificate health
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feat(tls): Phase 6.5 - Production TLS hardening with TLS 1.2+ enforcement and modern cipher suites
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feat(docs): Phase 6.6 - TLS documentation and ADR-0006 for certificate lifecycle architecture
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Phase 6 (Production TLS) is complete. Signaling to Mahdi for Phase 7 priority decision.
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Project blocked: Query Mahdi for Phase 7 priority selection (Options A-E)
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signal: Project blocked awaiting Mahdi's Phase 7 priority decision
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docs: Add final implementation validation report - Phase 6 complete, Phase 7 blocked

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docs: Add implementation agent status report - Phase 6 complete, Phase 7 awaiting decision

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Phase 7: Decision Made - PostgreSQL Support (Option C) Selected

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Phase 7: Executive Summary - Project Status & Next Steps

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feat(db): Phase 7.1.1 - Create database trait abstraction layer with error types
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feat(db): Phase 7.1.2 - Implement SqliteBackend adapter to satisfy DatabaseBackend trait
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feat(db): Phase 7.1.3 - Wire DatabaseBackend trait into server infrastructure, replacing concrete Database type with trait object to enable PostgreSQL backend
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feat(db): Phase 7.1.4 - Implement PostgresBackend adapter for DatabaseBackend trait
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Phase 7.2: Implement PostgreSQL schema initialization with init_schema() method mirroring SQLite tables but using PostgreSQL-native types
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feat(db): Phase 7.3 - Implement configuration-based database backend selection in main.rs to use either SQLite or PostgreSQL based on config.database.database_type setting
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fix: Phase 7.4 - Update test harness for new DatabaseConfig structure and Arc-wrapped Database
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feat(db): Phase 7.5 - Add XMPP operations to DatabaseBackend trait for full PostgreSQL integration
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fix(db): Phase 7.6 - Fix type mismatch by returning Arc from database factory
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fix(lint): Remove unused param_count assignment in PostgreSQL get_messages to achieve clippy clean status
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Phase 7.7: PostgreSQL documentation and configuration reference - Create operational docs for PostgreSQL backend usage
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Phase 7: Document PostgreSQL Production Integration Completion

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fix: remove needless borrows in TLS test code
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