Post-ship summary: NodeAgent canonical runtime

[HomenShum]

What landed

1) 9850e39 — Promote src/nodeagent as the canonical runtime

• Moved the live agent implementation surface to src/nodeagent/**.
• Removed the legacy src/agent/** source-of-truth path from the live import graph.
• Folded prior formula/rebase entrypoints into nodeagent-owned modules.
• Updated docs, source-map guidance, UI/demo copy, architecture metadata, aliases, and import guards.

2) cf641da — Record nodeagent migration eval traces

• Shipped the recorded ladder trace bundle for scripted L1-L7 regression coverage.
• Shipped the recorded 5-case credit eval trace bundle.
• Updated docs/eval/eval-runs.jsonl with the recorded run ledger entries.

Verification run before shipping

• npx convex codegen
• npx tsc --noEmit
• npx vitest run — 88 files / 515 tests passed
• npm run ladder -- --record
• npm run eval:credit -- --record
• npm run eval:diff — 0 degraded / 0 removed / 0 improved / 5 new
• npx playwright test e2e/responsive-qa.spec.ts — 6 passed

Live verification

• origin/main now points at cf641da8475dd419929fef16ec1b18785f3edc09.
• Raw GitHub fetch confirmed the source-of-truth docs are served from main.
• Raw GitHub fetch confirmed both credit and ladder trace artifacts are served from main.

Workspace state after follow-up

• Remaining tracked local dirt was restored.
• Remaining untracked local leftovers were removed.
• Local working tree is clean.