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docs(architecture): Chimera system-architecture diagram (SVG + 18×24 PDF) - #421
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A comprehensive "Chimera — System Architecture" reference in the Leonardo diagram grammar: 12 tiers x 6 components, a cross-cutting-concerns rail, the closed drift/trust/escalation feedback loop, and source-of-truth + governance callouts. Grounded in a 12-agent CodeGraph map of the repo — boxes name the primary module and real symbols, with thresholds, CHIMERA_* flags, and ADR numbers. Corrects a few stale README framings against code truth (9-phase cycle with COMMIT stub; invocation-driven, no daemon; per-cycle/rolling-hour/per-task caps; 26 widgets; ~90 flags). - docs/architecture.svg — 2004x2678 source - docs/architecture.pdf — 18x24 in (ARCH C), vector, print-ready
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Adds a comprehensive Chimera — System Architecture diagram to
docs/, in the same visual grammar as the Leonardo architecture diagram.What's included
docs/architecture.svg— 2004×2678 source (theme-neutral parchment palette, tier bands + component boxes, cross-cutting rail, feedback-loop gutter).docs/architecture.pdf— 18×24 in (ARCH C), single-page, fully vector (embedded fonts) — prints crisp at 11×17 fit-to-page or scaled up to ARCH D/E.Coverage
12 tiers × 6 components (72 boxes) following the cycle's data flow: loop & 9-phase cycle · task shaping/entropy sub-tasking · ACT parallel dispatch & guards · inference/tier-ladder/escalation-learning · three cost caps · verification (critic/witness/scope/repo-verify) · memory/KFM/Kuzu/FTS5 · engines/drift/T0–T5 trust/adaptation · self-PR & foreign-PR pipeline · skills/positioning/prompts · A2A federation/MCP server · observability/runtime/config.
Right rail: invocation & cadence · models & external services · governance + three cost caps + guards · security baseline (ADR 0175/0178) · trust & drift thresholds · operator/mutation/CLI loop · scenarios & drills · tests & CI gates · ★ key feedback loops · ★ source of truth.
Provenance & accuracy
Grounded in a 12-agent CodeGraph map of the repo — every box names its primary module and real symbols, with thresholds,
CHIMERA_*flags, and ADR numbers. The mapping corrected a few stale README framings against code truth: the cycle is 9 phases (COMMIT is a stub), it is invocation-driven (no in-process daemon), cost caps are per-cycle / rolling-hour / per-task (no daily reset), 26 dashboard widgets, and ~90 flags in the registry.Docs-only; no code changes.