Roll up integration-elonsg into dev

[ElonSG]

github-devloop Rollup Release Notes

Repository: ChronoAIProject/fkst-substrate
Upstream branch: dev
Integration branch: integration-elonsg
Captured integration head: 9a007db588090ad566074b3f84d3272f161916fa
Ahead commits: 4

Summary

This rollup includes the implementation for #376 and PR #377, hardening the Codex JSONL boundary and aligning live and mocked execution.

• Parse every nonblank JSONL record; reject malformed JSON, scalar/non-object records, missing string type, malformed recognized payloads, and trailing non-JSON data.
• Preserve the original process exit code while reporting structured-adapter failures.
• Share the adapter contract between real-process and mocked Codex execution.
• Keep Lua stdout projected to the final agent message while retaining typed metadata and structured diagnostics through adoption and replay.
• Add regression coverage for plaintext and scalar records, including records preceding a valid event.

The supplied integration record reports pre-merge CI and the post-merge probe as passing. Direct local Cargo test execution was unavailable in the supplied read-only checkout.

中文摘要：本次汇总强化 Codex JSONL 解析边界，统一真实进程与 mock 执行适配器，严格拒绝 malformed、scalar、缺失 type 及尾部非 JSON 数据，同时保留退出码、最终消息、类型化元数据和结构化诊断。
⟦AI:FKST⟧

[ElonSG]

github-devloop-integration rollup observe sample

status=clean
reason=clean
head_sha=9a007db588090ad566074b3f84d3272f161916fa
first_clean_observed_at_ms=1786590660800
sampled_at_ms=1786592724888