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Introduce docs/diagrams/ with the README index and 8 versioned Mermaid sources that reflect the v3.8.0 platform: - request-pipeline.mmd /v1/chat/completions request pipeline - auto-combo-9factor.mmd Auto-Combo 9-factor scoring weights - resilience-3layers.mmd Provider breaker / cooldown / model lockout - i18n-flow.mmd Hash-based incremental doc translation - mcp-tools-37.mmd MCP Server tool inventory by category - cloud-agent-flow.mmd Codex / Devin / Jules task lifecycle - authz-pipeline.mmd 3-class authz pipeline (PUBLIC/CLIENT_API/MANAGEMENT) - db-schema-overview.mmd Selected core SQLite relations Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
22 lines
958 B
Plaintext
22 lines
958 B
Plaintext
%% 3-layer resilience model
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%% Reflects: src/shared/utils/circuitBreaker.ts, src/sse/services/auth.ts,
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%% open-sse/services/accountFallback.ts
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%% v3.8.0
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flowchart TB
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Req["Request"] --> L1{"Provider Circuit Breaker<br/>(scope: whole provider)"}
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L1 -->|CLOSED| L2
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L1 -->|OPEN| Block1["Skip provider<br/>(or 503 retry-after)"]
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L1 -->|HALF_OPEN| Probe["Allow probe"]
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Probe --> L2
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L2{"Connection Cooldown<br/>(scope: one account/key)"} -->|available| L3
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L2 -->|cooling down| Skip2["Skip this connection<br/>fall back to next"]
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L3{"Model Lockout<br/>(scope: provider × conn × model)"} -->|allowed| Exec["Execute upstream"]
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L3 -->|locked| Skip3["Fall back to next model"]
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Exec -->|success| Clear["Clear cooldowns/lockouts"]
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Exec -->|"408 / 500 / 502 / 503 / 504"| TripL1["Trip provider breaker"]
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Exec -->|"401 / 403 (account)"| TripL2["Start connection cooldown"]
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Exec -->|"429 quota (model)"| TripL3["Start model lockout"]
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