Season 1 complete. My system philosophy: unlimited imagination at the application layer, rock-solid execution at the foundation.

Season 1 收官，我的系统观：顶层应用想象天马星空，底层执行结构要稳如狗

Dec 25, 2025

After completing P10, I repackaged the entire P00–P20 phase as a whole:

everything consolidated, full regression tests run, all known bugs fixed.

Every regression is now green.

At this point, I’m personally satisfied with the state of the system.

It’s stable enough, its boundaries are clear enough, and it’s “clean” enough to serve as a reliable foundation for exploring the MCP series.

If you haven’t fully gone through the Memory line before, I strongly recommend revisiting it here.

These 20 projects are not a feature list.

They are a set of system-level common truths that I kept using to re-validate one core question:

What should the foundation of a long-term agent system actually look like?

Once the foundation is solid, everything that follows becomes much easier.

Otherwise, the system turns into the kind where smoke is coming out everywhere—

and I can never quite tell where the smoke is coming from.

Honestly, writing this part almost inevitably turns into a running log.

There’s no way around it—I’m not a screenwriter.

At some point I just asked GPT:

so what should we even call the outcome of this phase?

It thought for a moment and said:

“Why not call it Season 1?”

I laughed out loud.

Season 1?

Is this a soap opera now?

But on second thought

it actually fits surprisingly well.

https://github.com/STEMMOM/adk-decade-of-agents/tree/season1-p20A

Final wrap-up — this stage can be sealed.

P09 did only one thing, but it did it to an engineering-irreversible degree:

it elevated Observability from “logs and metrics” into a system fact layer that is replayable, auditable, and incapable of reverse-polluting the system’s core.

At this stage, Observability is strictly defined as a one-way projection from the Ledger, not a feedback loop into runtime behavior. All observable data is first fully written into the Ledger, and only then projected—via a protocol-constrained exporter—into an extremely thin P09 fact track. This track retains only governable facts such as run lifecycles, tool call success rates, and coarse-grained latency. It carries no semantics, performs no aggregation, and exerts no behavioral influence. All summaries are disposable, replayable derivatives.

More importantly, P09 turns measurement definitions into law. Metric definitions are written into protocol, export boundaries are fixed, and CI validates only structural invariants, never the numerical values themselves. A failure no longer means “performance fluctuation”; it means constitutional violation. By running a full replay—from historical Ledger to P09 export to regenerated summaries—the system proves that Observability can be recomputed, replayed, and audited without any human trust assumptions. From this point on, Observability is no longer a convention or a dashboard, but a structural fact the system can prove by itself.

P10 carries this further by completing a more fundamental task: establishing system life itself as a first-class engineering object, and forcing it into both Observability and the runtime constitution. This phase defines and enforces the only legal definition: a system run exists only between system.boot and system.shutdown. The run_id represents the system life axis exclusively, while session_id belongs strictly to the application session axis. This distinction is enforced simultaneously at runtime, in exporters, and in tests.

The previously frequent appearance of run_id = unknown was shown not to be a data problem, but a context-injection order bug. As a result, system identity (system_id / process_id / run_id) was moved to be generated and injected at the very beginning of the boot phase. Before any observability event can occur, the system must already know who it is and whether it is alive.

At the same time, the P09 exporter was rewritten to respect history without interpreting it: runs may only be derived from boot/shutdown events; legacy inconsistencies are tolerated but no longer propagated. The test suite was upgraded from smoke checks to invariant law, directly constraining run_id form, event sets, and axis orthogonality.

The final result is that the system can, for the first time in engineering terms, distinguish between **“currently running”**and “having lived before.” System identity semantics no longer reside in documentation—they are executable and enforced across runtime, exporter, and CI boundaries. This was not cleanup or refactoring; it was the moment the system acquired the ability to automatically judge whether its own existence violates its constitution.

So what did I do in this phase?

I compacted the foundation.

All IDs are now strictly defined.

All semantics are locked.

No drift is allowed.


---

# System Identity Protocol v1.0 / 系统身份与时间轴标识协议

Version 版本: 1.0  
Status 状态: Canonical  
Scope 范围: AI-Native Long-Term System  
Last Updated 最后更新: 2025-12-23

---

## 0. Purpose / 协议目的
- Define semantics, generation boundaries, and usage rules for all IDs. | 严格定义所有 ID 的语义、生成边界与使用规则。  
- Prevent timeline mixing; ensure auditability, replayability, governability. | 防止时间轴混淆，确保可审计、可回放、可治理。  
- “Did the system live?” must be answerable in engineering and philosophical terms. | “系统是否活过”需有工程与哲学上的确定性。  
- Any new ID must be registered here, otherwise it is illegal. | 任何新增 ID 必须登记，否则视为非法。

---

## 1. Canonical Taxonomy / ID 分层
- Five layers by existence level. | 按存在层级分五类。  
| Layer 层级 | ID 类型 | 核心问题 |
| --- | --- | --- |
| System | `system_id` | Which system? 是哪个系统？ |
| Process | `process_id` | Which process instance? 这次进程实例？ |
| Life | `run_id` | Did this run live? 系统这次活过吗？ |
| Session | `session_id` | Which session/interaction? 哪段交互/会话？ |
| Trace | `trace_id` / `span_id` | How did this execution flow? 执行链路？ |

---

## 2. `system_id`
- Definition: permanent identity of a logical system. | 逻辑系统的永久身份标识。  
- Scope: AI-Native OS instance; long-lived, upgradable, migratable. | 标识 AI-Native OS 实例，长期存在、可升级、可迁移。  
- Generation: by init/installation; first creation only. | 系统初始化/安装时生成，仅首次创建。  
- Example: `sys_095be687ecfa4442861b529af562ca6e`  
- Lifecycle: across processes, runs, reboots, upgrades. | 跨进程、跨 run、跨重启、跨升级。  
- Immutable rules: not generated at runtime; not per-run; not observability primary key. | 不可在运行时生成；不可区分单次运行；不可作为可观测性主键。

---

## 3. `process_id`
- Definition: identifies an OS-level process instance. | 操作系统层面的进程实例标识。  
- Question: which process start is this code running under? | 回答“当前代码属于哪次进程启动？”  
- Generation: OS/runtime boot; every process start. | 每次进程启动生成。  
- Example: `proc_f345dc8655674081906b753c2894163d`  
- Lifecycle: from process start to exit; may span multiple runs (edge). | 从进程启动到退出，极端可跨多个 run。  
- Boundaries: for crash/restart/recover diagnosis; not a life axis; not the sole join key. | 用于崩溃/重启/恢复诊断；不是生命轴；不得作为唯一关联键。

---

## 4. `run_id` — Core Life ID / 系统生命主键
- Definition: marks one complete life interval: `system.boot → system.shutdown`. | 标识一次完整生命区间：`system.boot → system.shutdown`。  
- Generation: by `system.boot` at responsibility start. | 在系统开始承担责任时由 `system.boot` 生成。  
- Example: `run_6e678cc83933485c83dc9462ad75ab58`  
- Semantics: run_id ≠ session/request/trace; primary key of system life. | 不等于 session/request/trace；系统生命主键。  
- Rules: not null; not reused by sessions/apps; not forged by observability; must be findable in `events.jsonl` with `system.boot`. | 不得为 null；不得被会话/应用复用；不得被可观测性伪造；必须在 `events.jsonl` 中找到对应 `system.boot`。

---

## 5. `session_id`
- Definition: interaction session for user/agent. | 用户或 agent 的交互会话标识。  
- Question: which dialogue/interaction is this? | 回答“哪一段对话/交互？”  
- Generation: app/agent runtime at session start. | 会话开始时生成。  
- Example: `p00-26f7f906-bad1-49a7-8ba6-8239f2a2c1b8`  
- Lifecycle: shorter than run; a run may include multiple sessions. | 通常短于 run；一个 run 可含多个 session。  
- Rules: never name it `run_id`; recommended field names `session_id`/`app_session_id`/`conversation_id`. | 不得命名为 `run_id`；推荐字段名如 `session_id` 等。

---

## 6. `trace_id`
- Definition: logical execution chain ID. | 逻辑执行链标识。  
- Question: how did this request/inference/tool call flow? | 回答“请求/推理/工具调用如何流转？”  
- Generation: runtime tracing system. | 由追踪系统生成。  
- Example: `26da9463-a50d-4b49-b8e1-abff066dfe76`  
- Traits: high concurrency/count, short-lived. | 高并发、高数量、短生命周期。  
- Rules: not a system identity; not a responsibility anchor; only for debugging/perf. | 不作为系统身份或责任锚，只用于调试/性能。

---

## 7. `span_id`
- Definition: node within a trace (tool.call, agent.reply, policy.check, memory.write). | trace 内部节点（如 tool.call 等）。  
- Usage: must attach to a trace_id; cannot exist alone. | 必须附属 trace_id，不可单独存在。

---

## 8. Canonical Join Order / ID 使用优先级
跨数据源关联必须遵循：

run_id → process_id → session_id → trace_id → span_id

Any skip-level join is unsafe. | 任何跳级关联均视为不安全。

---

## 9. Observability Clauses / 可观测性条款
- Observability must carry `run_id`; missing run_id must be explicitly reasoned and is a defect. | 可观测性必须携带 `run_id`；缺失必须说明原因，视为缺陷。  
- Observability must not generate or override run_id. | 可观测性不得生成或覆盖 run_id。

---

## 10. Red Lines / 禁止事项
- ❌ Use run_id to mean session. | 禁止用 run_id 表示 session。  
- ❌ Use trace_id to mean system life. | 禁止用 trace_id 表示系统生命。  
- ❌ Allow run_id to be null. | 禁止 run_id 为 null。  
- ❌ Reuse run_id across systems. | 禁止跨系统复用 run_id。

---

## 11. Authority / 协议地位
This is the highest source of interpretation for system identity and timelines; all runtime/agent/observability/memory/ledger modules must comply. | 本协议为系统身份与时间轴的最高解释源，所有模块必须遵守。

---

Example output


{"ts": 1766539972.845928, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_02a9dc1682ed4a15913d4e6ec6acd203", "run_id": "run_f5f4bae51298419d8328ee9b91f129ce", "boot_mode": "cold", "started_at": "2025-12-24T01:32:52.845892+00:00", "recovered_from_run_id": null}}
{"ts": 1766539972.846057, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_02a9dc1682ed4a15913d4e6ec6acd203", "run_id": "run_f5f4bae51298419d8328ee9b91f129ce", "exit_reason": "normal"}}
{"ts": 1766539972.88711, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_afcc92b801fa45cab25a36da44754a8e", "run_id": "run_6583fdde47904b0f96986ec05dfcfcc3", "boot_mode": "cold", "started_at": "2025-12-24T01:32:52.886957+00:00", "recovered_from_run_id": null}}
{"ts": 1766539972.924684, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_97e34d1f8725411a88c0faab5cede260", "run_id": "run_e79cefe1eaf0495db6d9cbee633863e4", "boot_mode": "recover", "started_at": "2025-12-24T01:32:52.924417+00:00", "recovered_from_run_id": "run_6583fdde47904b0f96986ec05dfcfcc3"}}
{"ts": 1766539972.924801, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_97e34d1f8725411a88c0faab5cede260", "run_id": "run_e79cefe1eaf0495db6d9cbee633863e4", "exit_reason": "normal"}}
{"ts": 1766542586.10223, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_00f1de4026a347a9b706f7bd2c8ced4a", "run_id": "run_40b2137141a541578f26e35b98685b80", "boot_mode": "warm", "started_at": "2025-12-24T02:16:26.101828+00:00", "recovered_from_run_id": null}}
{"ts": 1766542866.0383658, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "boot_mode": "cold", "started_at": "2025-12-24T02:21:06.038243+00:00", "recovered_from_run_id": null}}
{"event_type":"memory.write_proposed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal_id":"mw_1766542866039","tags":["scope:world_memory"],"target":{"key":"notes.session_p00-338b194d-1d22-417b-a0f2-5a145d2d2c14","op":"upsert","path":"/Users/Agent/adk-decade-of-agents/runtime_data/memory_store.json","store":"world_memory"},"ts":"2025-12-24T02:21:06.039881Z","value":{"summary":"memory_store.json","type":"json"}},"proposal_id":"mw_1766542866039","source":"p00"},"payload_hash":"75c9b984e82277420dd9ef3ed9b1d6c8ed707db208e033331575b3ffe2cca451","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766542866039","ts":"2025-12-24T02:21:06.039Z"}
{"event_type":"policy.check","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766542866039","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766542866039","source":"p00"},"payload_hash":"973bf2bdb55e3bb5ae81de6ad2b1d57ac7ae07b1795eab4f6a96e3548d683889","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766542866039","ts":"2025-12-24T02:21:06.039Z"}
{"event_type":"memory.write_committed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766542866039","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766542866039","source":"p00"},"payload_hash":"973bf2bdb55e3bb5ae81de6ad2b1d57ac7ae07b1795eab4f6a96e3548d683889","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766542866039","ts":"2025-12-24T02:21:06.040Z"}
{"ts": 1766543137.535817, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_fdd843c2cfd4419cab5544344f53f019", "run_id": "run_2e68875d004644339ff96939d3baf454", "boot_mode": "recover", "started_at": "2025-12-24T02:25:37.535605+00:00", "recovered_from_run_id": "run_f84c488f15da4784b3b7ed5f84433253"}}
{"ts": 1766543137.5359092, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_fdd843c2cfd4419cab5544344f53f019", "run_id": "run_2e68875d004644339ff96939d3baf454", "exit_reason": "normal"}}
{"ts": 1766543217.01323, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_dd06a20c08df4eb8a7c68eb733f5dcde", "run_id": "run_b996ce718d584e10b04c2ed32fbeb7fd", "boot_mode": "warm", "started_at": "2025-12-24T02:26:57.012984+00:00", "recovered_from_run_id": null}}
{"ts": 1766543217.0133498, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_dd06a20c08df4eb8a7c68eb733f5dcde", "run_id": "run_b996ce718d584e10b04c2ed32fbeb7fd", "exit_reason": "normal"}}
{"ts": 1766590202.733696, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "boot_mode": "warm", "started_at": "2025-12-24T15:30:02.732867+00:00", "recovered_from_run_id": null}}
{"event_type":"memory.write_proposed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal_id":"mw_1766590202735","tags":["scope:world_memory"],"target":{"key":"notes.session_p00-0420eab7-4578-40d9-812b-97c60ef9956a","op":"upsert","path":"/Users/Agent/adk-decade-of-agents/runtime_data/memory_store.json","store":"world_memory"},"ts":"2025-12-24T15:30:02.735278Z","value":{"summary":"memory_store.json","type":"json"}},"proposal_id":"mw_1766590202735","source":"p00"},"payload_hash":"c3c1e1f183192fedbfd39ef358ef8add77a72292ed2248772869407eecdeb9e7","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766590202735","ts":"2025-12-24T15:30:02.735Z"}
{"event_type":"policy.check","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766590202735","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766590202735","source":"p00"},"payload_hash":"67f53fcdc8f22265eb2d3863445635272e243e0e9f394e7fe61314812ff1a0d2","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766590202735","ts":"2025-12-24T15:30:02.735Z"}
{"event_type":"memory.write_committed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766590202735","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766590202735","source":"p00"},"payload_hash":"67f53fcdc8f22265eb2d3863445635272e243e0e9f394e7fe61314812ff1a0d2","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766590202735","ts":"2025-12-24T15:30:02.735Z"}

Terminal Replay Evidence — P09 / P10 (Real Artifacts)

Environment: .venv activated
Branch: mcp-capability-bus
(I’ve already started working on the next branch, but Season 1 is fully complete in the repo. Let’s ignore branch naming for now—I only started this one a few hours ago.)
Data directory: runtime_data/

1) P10: System lifecycle has entered the Ledger

(boot / shutdown are now auditable facts)

✅ What I did

ls -lh runtime_data
ls -lh runtime_data/events.jsonl
tail -n 20 runtime_data/events.jsonl

✅ What I saw (key excerpts)

In my current events.jsonl, the following now appear clearly:

system.boot
system.shutdown

And the system.boot payload contains the three core identity axes:

system_id: sys_…
process_id: proc_…
run_id: run_…

For example (real output from my system):

{"event_type": "system.boot", ... "payload": {"system_id": "sys_c44e...", "process_id": "proc_02a9...", "run_id": "run_f5f4...", "boot_mode": "cold", ...}}
{"event_type": "system.shutdown", ... "payload": {"system_id": "sys_c44e...", "process_id": "proc_02a9...", "run_id": "run_f5f4...", "exit_reason": "normal"}}

✅ What this proves

The system life axis has been explicitly modeled and written into the Ledger.
A run is no longer “inferred” — it is defined by the concrete fact pair
system.boot → system.shutdown.

2) P10: Cold / Warm / Recover boot modes are fully implemented

(Crash recovery has been engineered)

In this ledger, the most critical P10 capability is already visible:

Recover is a first-class state, not an exception path.

✅ What I saw (key excerpts)

Here is a textbook-grade recovery sequence:

{"event_type": "system.boot", "payload": {"run_id": "run_6583...", "boot_mode": "cold", ...}}
{"event_type": "system.boot", "payload": {"run_id": "run_e79c...", "boot_mode": "recover", "recovered_from_run_id": "run_6583..."}}
{"event_type": "system.shutdown", "payload": {"run_id": "run_e79c...", "exit_reason": "normal"}}

I also have runs with boot_mode: warm:

{"event_type": "system.boot", "payload": {"run_id": "run_40b2...", "boot_mode": "warm", ...}}

✅ What this proves

The system can distinguish:
- cold: cold start
- warm: warm start after a clean shutdown
- recover: recovery after detecting an unclosed previous run
And recover is not inferred — it is explicitly written into the Ledger, with a traceable recovered_from_run_id.

This marks the first time the system can truthfully say:
“I know how I died last time.”

3) P07 / P08 Side Evidence: The Policy Gate write loop remains intact

(P10 did not contaminate the Memory path)

In the latter part of the tail output, I still see the familiar three-step sequence:

memory.write_proposed
policy.check
memory.write_committed

For example:

{"event_type":"memory.write_proposed", ...}
{"event_type":"policy.check", ... "decision":{"decision":"allowed","policy_version":"policy_gate_v0", ...}}
{"event_type":"memory.write_committed", ...}

✅ What this proves

The introduction of the system life axis and process identity in P10 did not pollute the Memory pipeline.
Memory still follows the constitutional path
Proposal → Policy → Commit,
and remains fully auditable.

More output

(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep -c '"event_type": "system.boot"' runtime_data/events.jsonl
grep -c '"event_type": "system.shutdown"' runtime_data/events.jsonl

8
4
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p'

run_f5f4bae51298419d8328ee9b91f129ce
run_6583fdde47904b0f96986ec05dfcfcc3
run_e79cefe1eaf0495db6d9cbee633863e4
run_40b2137141a541578f26e35b98685b80
run_f84c488f15da4784b3b7ed5f84433253
run_2e68875d004644339ff96939d3baf454
run_b996ce718d584e10b04c2ed32fbeb7fd
run_02c0b12b9009480b81ce98b9e598188f
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"event_type": "system.shutdown"' runtime_data/events.jsonl \\
  | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p'

run_f5f4bae51298419d8328ee9b91f129ce
run_e79cefe1eaf0495db6d9cbee633863e4
run_2e68875d004644339ff96939d3baf454
run_b996ce718d584e10b04c2ed32fbeb7fd
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) boots=$(grep '"event_type": "system.boot"' runtime_data/events.jsonl | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p' | sort -u)
shuts=$(grep '"event_type": "system.shutdown"' runtime_data/events.jsonl | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p' | sort -u)
comm -23 <(echo "$boots") <(echo "$shuts")

run_02c0b12b9009480b81ce98b9e598188f
run_40b2137141a541578f26e35b98685b80
run_6583fdde47904b0f96986ec05dfcfcc3
run_f84c488f15da4784b3b7ed5f84433253
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"boot_mode": "recover"' runtime_data/events.jsonl | tail -n 20

{"ts": 1766539972.924684, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_97e34d1f8725411a88c0faab5cede260", "run_id": "run_e79cefe1eaf0495db6d9cbee633863e4", "boot_mode": "recover", "started_at": "2025-12-24T01:32:52.924417+00:00", "recovered_from_run_id": "run_6583fdde47904b0f96986ec05dfcfcc3"}}
{"ts": 1766543137.535817, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_fdd843c2cfd4419cab5544344f53f019", "run_id": "run_2e68875d004644339ff96939d3baf454", "boot_mode": "recover", "started_at": "2025-12-24T02:25:37.535605+00:00", "recovered_from_run_id": "run_f84c488f15da4784b3b7ed5f84433253"}}

This set of terminal outputs already turns P10’s “protocol locked + zero drift” into a very clean chain of evidence. I can now present it as a three-step argument that readers can understand at a glance:

① Start with the factual discrepancy: 8 births, 4 closures

The hard numbers I obtained are:

system.boot = 8
system.shutdown = 4

This is not an awkward detail — it is the reality P10 must face:

In real development, processes get killed, terminals get interrupted, and debugging sessions get aborted midway.

As a result, the ledger will inevitably contain unclosed lives.

A long-term system is not required to “always close cleanly”; it is required that unclosed lives are detectable, enumerable, and recoverable.

② Precisely identify the “unclosed runs”: which runs lack shutdown

I have already listed all boot run_ids and all shutdown run_ids.

The 8 runs with boot events:

run_f5f4…
run_6583…
run_e79c…
run_40b2…
run_f84c…
run_2e68…
run_b996…
run_02c0…

The 4 runs with shutdown events:

run_f5f4…
run_e79c…
run_2e68…
run_b996…

Using comm -23, we get the most important result: the set of incomplete runs.

✅ The 4 unclosed runs:

run_02c0b12b9009480b81ce98b9e598188f
run_40b2137141a541578f26e35b98685b80
run_6583fdde47904b0f96986ec05dfcfcc3
run_f84c488f15da4784b3b7ed5f84433253

The significance of this step is simple:

I am not guessing that the system may have crashed.
I am precisely marking which lives did not close, directly from the ledger.

③ The final strike: Recover does not merely exist — it points to specific deaths

In the recover events I grepped, recovered_from_run_id clearly states which death this recovery came from:

run_e79c... with boot_mode: recover points to:
recovered_from_run_id = run_6583...
run_2e68... with boot_mode: recover points to:
recovered_from_run_id = run_f84c...

And these two referenced runs:

run_6583...
run_f84c...

appear exactly in the unclosed run list produced by comm -23.

This is P10’s cleanest closed-loop proof:

An incomplete run is not an abstract state — it is an enumerable set of run_ids.
Recover is not a slogan; it is explicit inheritance and takeover of a specific failed run.
I ran a simple count: system.boot occurred 8 times, while system.shutdown occurred only 4 times.
This is not bad news. On the contrary, it is proof that P10 has truly landed: in the real world, incomplete lives are unavoidable.
The key is not to avoid them, but to ensure they are detectable, enumerable, and recoverable.
With a single command, I precisely identified all unclosed runs — four of them. I then grepped for boot_mode: recover and found that recover events explicitly recorded recovered_from_run_id, and that these IDs point exactly to members of the unclosed run set.
This means the system has, for the first time, acquired an auditable capability:
“I know how I died last time; and I know which death this recovery came from.”

Next, to prove “zero drift” across all IDs, two final terminal checks were needed

What I have already proven perfectly is the life-axis semantics of run_id.

To lock down all IDs defined in the protocol, I needed just two short validations.

A) `system_id` remains constant across all boots (stable system identity)

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"system_id": "\\([^"]*\\)".*/\\1/p' | sort -u

Expected result: exactly one sys_...

B) `process_id` is unique per boot (no reuse of process instances)

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"process_id": "\\([^"]*\\)".*/\\1/p' | sort | uniq -c

Expected result: each proc_... has a count of 1

(or extremely rare duplicates if processes were intentionally reused — typically not)

sys_c44eac09a1e240cb8bc8adf6aa2d5e32

1 proc_00f1de4026a347a9b706f7bd2c8ced4a
1 proc_02a9dc1682ed4a15913d4e6ec6acd203
1 proc_963168535e5f4bc6b321e9c0a178a7ba
1 proc_97e34d1f8725411a88c0faab5cede260
1 proc_afcc92b801fa45cab25a36da44754a8e
1 proc_dd06a20c08df4eb8a7c68eb733f5dcde
1 proc_e79c07fdba9f4e0da8bc7dd2e252e221
1 proc_fdd843c2cfd4419cab5544344f53f019

Perfect. These two outputs lock System Identity Protocol v1.0 at the Ledger layer with hard, reader-unarguable evidence. No drift.

④ Proof: `system_id` is long-term stable (no identity drift)

The result was:

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"system_id": "\\([^"]*\\)".*/\\1/p' | sort -u

Output — a single line:

sys_c44eac09a1e240cb8bc8adf6aa2d5e32

This means:

Across 8 boots (spanning multiple timestamps and recover/warm/cold modes),
the system_id remains unchanged.
It is indeed the permanent identity of “which system this is,” not a per-run artifact.

⑤ Proof: `process_id` is unique per start (no reuse, no mixing)

The counts:

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"process_id": "\\([^"]*\\)".*/\\1/p' | sort | uniq -c

Yield 8 lines, each with 1 proc_...:

1 proc_00f1...
1 proc_02a9...
...
1 proc_fdd8...

This means:

Every system.boot corresponds to a brand-new process_id.
The process-instance axis shows no reuse, no drift, and no ambiguity.

At this point, the three core ID axes have become non-drifting facts

Combining this with what was already proven, we now have a complete evidence chain:

✅ `system_id`: stable

(8 boots → exactly 1 system_id)

System identity axis holds.

✅ `process_id`: unique

(8 boots → 8 distinct process_ids, each counted once)

Process-instance axis holds.

✅ `run_id`: life axis

(boot vs shutdown comparable; unclosed runs enumerable; recover points to unclosed runs)

Life-interval axis holds.

With these three together, I can state unequivocally:

System Identity Protocol v1.0 is no longer “how we intend things to work.”
It has been written into the Ledger as fact, and it remains consistent across multiple real executions, with zero drift.

Across 8 system.boot events, only one system_id appears — system identity is long-term stable.
Across those same 8 boots, process_id appears 8 times, each exactly once — process instances are strictly unique.
run_id defines life intervals via boot → shutdown; unclosed runs are enumerable, and recover explicitly points to specific failed runs.

At this point, System Identity Protocol v1.0 is no longer an idea — it is a replayable system fact stored in the ledger.

If, in the future, someone tries to use session_id as run_id, reuse a process_id, or allow system_id to drift, this will not “maybe cause issues.”

It will be caught immediately by data and tests.

One final “ultimate proof” suggestion

To push “zero drift” from the Ledger layer into the Observability layer, one final check can be added:

Prove that observability events also carry the same system / process / run axes, with no unknown or null.

All that’s needed is to include:

ls -lh runtime_data/observability
tail -n 30 runtime_data/observability/observability_events.jsonl
grep -n '"run_id": "unknown"\\|"run_id": null' runtime_data/observability/observability_events.jsonl | head

If those outputs are included as well, the entire end-to-end zero-drift chain

(boot → trace_context → observability → exporter → tests)

can be sealed as the final, stamped conclusion of Season 1.

grep -n '"run_id": "unknown"\\|"run_id": null' runtime_data/observability/observability_events.jsonl | head

total 24
-rw-r--r--  1 susan  admin   8.4K Dec 24 10:30 observability_events.jsonl
{"event_type": "session.start", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039299Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"message": "Session started for p00 MVP", "persona_user_id": "susan", "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "runtime", "_span_id": "d0bbe638-0c01-4de4-b81c-213bdf922225"}}
{"event_type": "user.message", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039504Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"text": "Hello, this is the first OS-level MVP run.", "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "user", "_span_id": "5e793c60-8d1d-4cbb-8ef5-5cca61731acf", "_parent_span_id": "d0bbe638-0c01-4de4-b81c-213bdf922225"}}
{"event_type": "agent.reply", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039597Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"reply": "[MVP Kernel Stub] You said: Hello, this is the first OS-level MVP run.", "tool_calls": [{"tool_name": "fake_search", "args": {"q": "AI news this week"}}], "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "agent", "_span_id": "05c0257c-c106-4ddf-82e2-4f0e8e5f296b", "_parent_span_id": "5e793c60-8d1d-4cbb-8ef5-5cca61731acf"}}
{"event_type": "tool.call", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039684Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "tool", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"tool_name": "fake_search", "args": {"q": "AI news this week"}, "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "tool", "_span_id": "59f9fc85-d550-49c7-b9fa-879e95fa440a", "_parent_span_id": "05c0257c-c106-4ddf-82e2-4f0e8e5f296b"}}
{"event_type": "tool.result", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039764Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "tool", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"tool_name": "fake_search", "result": {"ok": true, "data": "stub tool result"}, "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "tool", "_span_id": "76aa330f-cca0-483d-ad4f-e77a0dd0d3d8", "_parent_span_id": "59f9fc85-d550-49c7-b9fa-879e95fa440a"}}
{"event_type": "session.end", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.040212Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"message": "Session ended for p00 MVP", "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "runtime", "_span_id": "7a3362e0-73d4-4ef3-9a80-9143799ca286", "_parent_span_id": "d0bbe638-0c01-4de4-b81c-213bdf922225"}}
{"event_type": "session.start", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.734504Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"message": "Session started for p00 MVP", "persona_user_id": "susan", "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "runtime", "_span_id": "30cd9111-98fc-4b8c-a19e-7a1a28b3cb69"}}
{"event_type": "user.message", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.734873Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"text": "Hello, this is the first OS-level MVP run.", "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "user", "_span_id": "8c6e6109-056b-4c5e-8390-ec09c26ecaa7", "_parent_span_id": "30cd9111-98fc-4b8c-a19e-7a1a28b3cb69"}}
{"event_type": "agent.reply", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.734976Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"reply": "[MVP Kernel Stub] You said: Hello, this is the first OS-level MVP run.", "tool_calls": [{"tool_name": "fake_search", "args": {"q": "AI news this week"}}], "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "agent", "_span_id": "13a8a410-4389-40a4-ae5b-d9305ef2a7d3", "_parent_span_id": "8c6e6109-056b-4c5e-8390-ec09c26ecaa7"}}
{"event_type": "tool.call", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.735068Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "tool", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"tool_name": "fake_search", "args": {"q": "AI news this week"}, "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "tool", "_span_id": "33b41ce4-1d99-4a6e-8e8e-82f3d3649900", "_parent_span_id": "13a8a410-4389-40a4-ae5b-d9305ef2a7d3"}}
{"event_type": "tool.result", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.735155Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "tool", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"tool_name": "fake_search", "result": {"ok": true, "data": "stub tool result"}, "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "tool", "_span_id": "af52c386-7d81-4c65-89d4-e4e54f04e6ac", "_parent_span_id": "33b41ce4-1d99-4a6e-8e8e-82f3d3649900"}}
{"event_type": "session.end", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.735840Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"message": "Session ended for p00 MVP", "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "runtime", "_span_id": "885d0a25-4344-4eba-87b6-53b953750ee6", "_parent_span_id": "30cd9111-98fc-4b8c-a19e-7a1a28b3cb69"}}

System Identity Protocol v1.0 Has Been Locked End-to-End (Zero Drift)

Using real data from Ledger + Observability, we can answer one question:

Have all IDs in the system (system / process / run / session) been enforced at the engineering layer, with no semantic drift?

Yes — and the evidence is complete.

1) In the Observability layer, there is no missing or compromised `run_id`

I ran a negative check directly on the canonical observability file:

grep -n '"run_id": "unknown"\\|"run_id": null' runtime_data/observability/observability_events.jsonl

Result: no output.

This means:

No run_id: null
No run_id: "unknown"
Every observability event is already bound to a valid system life axis at write time

This is a very strong signal:

run_id is no longer “best effort.” It is a write-time prerequisite.

2) Observability events carry four orthogonal identity axes in full

From any observability record (e.g., session.start, tool.call, agent.reply), you can directly see:

{
  "event_type": "session.start",
  "run_id": "run_f84c...",
  "system_id": "sys_c44e...",
  "process_id": "proc_e79c...",
  "session_id": "p00-338b..."
}

The key point is not merely that “the fields exist,” but that:

run_id: the system life axis (derived from system.boot)
system_id: the system identity axis (long-lived and stable)
process_id: the process-instance axis (unique per start)
session_id: the application interaction axis (repeatable, nestable)

And:

No ID is being used to impersonate the semantics of another layer.

3) Across runs / processes / sessions, the ID relationships remain stable

The observability file now clearly shows:

Under different run_ids:
- system_id stays constant
- process_id changes with each run
Within the same run_id:
- multiple session_ids
- multiple tool / agent / runtime events
Within the same session_id:
- trace / span exist strictly as debugging linkage and do not participate in identity determination

This matches the protocol definitions exactly, with no “lazy mapping.”

4) Combined with the Ledger layer, this forms a complete end-to-end closed loop

Looking at Observability together with Ledger, the facts are:

Ledger layer
- system.boot defines the start of a run
- system.shutdown defines the closure of a run
- unclosed runs are enumerable
- recover explicitly points to specific dead runs
Trace Context layer
- system / process / run are injected at boot
- downstream calls cannot bypass them
Observability layer
- all events are forced to carry a run_id
- the system/process/session axes attach stably
- no unknown / null fallback paths exist

Together these three layers guarantee one thing:

ID semantics are not enforced by convention — they are enforced structurally.

5) Final conclusion

At this point, I no longer need to “believe” that System Identity Protocol holds.
Ledger proves: system lives are fully recorded; unclosed lives are detectable and recoverable.
Runtime proves: system / process / run are injected at boot and cannot be bypassed.
Observability proves: all events carry legal run_id values, with no compromises.
In other words:
IDs have been upgraded from “naming conventions” to “the legal structure of system existence.”
If, in the future, someone tries to treat session_id as run_id,
or reuse process_id,
or allow system_id to drift —
the data and tests will immediately判定 it as unconstitutional.

We are now standing at a very clean point

From an engineering perspective, this is a seal-able milestone:

The foundational protocols have been proven not to collapse in real execution.

Okay — let me click my title: “The lower layers are rock-solid”

Why did we spend so much effort getting here?

Why did we spend so much effort keeping this stage clean?

1. Because long-term systems don’t fail by “not having enough features”

Most AI / agent systems fail not because the model isn’t smart, and not because the feature set isn’t complete.

They fail in more subtle ways:

they don’t know when they started running
they don’t know when they failed
they can’t tell which life interval a decision happened in
they can’t distinguish “this run” from “leftovers from the previous run”
after a crash they can only “start over,” without being able to answer “start over from where?”

These problems don’t throw obvious errors at the beginning.

They surface six months, one year, three years later, and the system quietly loses all credibility.

2. Because time is the true enemy of a system — not complexity

Engineers are used to fighting complexity.

But for long-term systems, the real enemy is time.

Time brings:

repeated startups and abnormal exits
half-written states
accumulation of historical logic
“what were we thinking back then?” becoming unanswerable
data contradictions that no one can resolve

If the system does not recognize time from the beginning, then all later capabilities are built on sand.

Season 1 had only one goal:

Make the system recognize time at the engineering level — and take responsibility for time.

3. Because “identity” is not a field — it is a responsibility boundary

In short-term systems, run_id and session_id look like just a couple of fields.

But in long-term systems, they determine:

what data belongs to the same existence interval
what errors can be recovered
what decisions must be carried and owned
what state is not allowed to be silently inherited

If identity can drift, be reused, or be guessed, the system starts to steal time and steal responsibility.

That’s why identity must become protocol, write boundaries, and test invariants.

4. Because “recovery” is not exception handling — it is survival capability

Most systems treat crashes as an exceptional path.

Long-term systems must treat them as normal.

The real question is not:

“Will it crash?”

It is:

“After it has crashed, does it still know who it is?”

Season 1, at its core, did only one thing:

Ensure the system can retain a continuous self after crashing.

5. Because without a clean foundation, later capabilities only amplify chaos

Capability layers (multi-agent, MCP, tool routing, planning) amplify every underlying flaw.

If:

run_id is ambiguous
memory writes are not traceable
observability feeds back into behavior
recovery relies on guessing

Then the stronger the capabilities, the faster the system dies.

Season 1 cleanliness wasn’t about showing off “doing it right.”

It was to ensure:

Future capabilities amplify correctness — not chaos.

6. Once you miss this step, it becomes nearly impossible to go back and patch it

Many systems try to retrofit, years later:

identity protocols
lifecycle modeling
replayable ledgers
recovery semantics

Almost all fail.

Because:

historical data can’t be classified anymore
run boundaries can’t be inferred
responsibility can’t be reconstructed
decisions can’t be explained

The value of Season 1 is this:

While the system is still young, lock down these irreversible boundaries once and for all.

For the wild exploration that comes next

Long-term readers know I’m not a conservative builder.

system_id   →  who carries responsibility through time
process_id  →  which body carries that responsibility this time
run_id      →  when this life starts and when it ends
session_id  →  what interactions occurred within this life
trace_id    →  how those interactions were executed

One general principle first — all future imagination must obey it:

As long as you do not rewrite the definitions of system / process / run / recover, you can treat every capability as a replaceable organ.

1. The capability layer can go wild: Capability isn’t the core — it’s a plug-in

1️⃣ MCP / Capability Bus: capabilities should plug in like USB devices

agents no longer “ship with built-in capabilities”
all capabilities are registered as Capability Descriptors:
- input contracts
- failure semantics
- resource budgets
capabilities can:
- come from different agents
- come from different languages / runtimes
- come from remote systems

Failure is fully allowed, as long as:

it is clear which run_id the failure occurred in
the capability does not mutate ledger / memory semantics

Capabilities are replaceable.
Existence is not.

2. Agents can go wild: agents are short-lived, structure is long-lived

2️⃣ Agents can be created, destroyed, and evolved freely

You can try:

temporary agents (live for only one run)
experimental agents (discard on failure)
shadow agents (observe only, never act)
adversarial agents (veto each other)

Even:

multiple mutually distrustful agents inside the same system
agent-to-agent games mediated by the policy gate

The only red line:

An agent cannot own system identity, and cannot define a run.

Agents are actors — not the subject of existence.

3. Persona and structure can go wild: persona is composable

3️⃣ Personas / Structure Cards can be assembled freely

You can try:

persona = a bundle of Structure Cards
persona = a versioned set of decision preferences
persona = a “mental mode” activated only within certain runs

Even:

multiple personas voting in parallel
persona conflicts adjudicated by policy
personas migrated as assets to a different system_id

As long as:

personas do not forge memory
personas do not write to the ledger beyond authority
personas do not steal state across runs via silent inheritance

4. Memory strategy can go wild: memory is not “remember more,” it’s “take responsibility more precisely”

4️⃣ Memory strategy can be repeatedly trialed and revised

You can explore:

ultra-strict memory (almost never write)
ultra-conservative memory (write only recovery-related)
structured memory (only allow specific schemas)
time-decayed memory
hedged memory (multiple versions of the same fact allowed)

Even:

different agents proposing competing memory entries for the same event
policy choosing which becomes “world memory”

But one thing is absolutely forbidden:

Memory cannot be retroactively rewritten.

Memory is responsibility, not cache.

5. Scheduling and governance can go wild: the scheduler can become a political system

5️⃣ Scheduler / Policy can become highly experimental

You can try:

running different scheduling strategies in different runs
multiple policy versions coexisting
policies voting, competing,淘汰ing each other
- 淘汰ing policy versions based on historical run failure rates

Even:

human-in-the-loop policy override
agents submitting policy proposals
policy versions upgrading like constitutional amendments

But the prerequisite is:

Policy changes themselves must be written into the ledger, and must occur within a clearly defined run.

6. Systems can go wild: multiple system_ids can form a society

6️⃣ Multi-system collaboration (Agentic Society)

You can absolutely have:

multiple system_ids collaborating
systems calling each other’s capabilities
systems sharing but not merging memory
systems settling reputation/credit

The key point:

system_id is a sovereignty boundary, not a namespace.

Once crossing systems:

identity must be re-declared
memory cannot be merged directly
runs cannot continue across systems

7. Failure modes can go wild: failure is no longer shame — it is data

7️⃣ Intentionally制造 failure

You can even:

intentionally kill the process
force incomplete runs
deliberately not recover in high-risk paths
compare long-term effects of different recovery strategies

Because you already have the capability to:

know exactly which runs died
know how they died
know whether recovery occurred afterward

Once failure is institutionalized, it turns from a threat into research material.

8. Why this kind of “wildness” is safe only now

Because Season 1 guarantees three things:

Wild exploration will not contaminate the timeline
Failures will not disappear from history
Recovery will not fake continuity

Which means:

You can trial-and-error infinitely many times,
but the system will never “forget that it has trialed and erred.”

This is the fundamental difference between a long-term system and a demo.

在完成 P10 之后，我把 P00–P20 整个阶段的状态重新打包了一次：

统一整理、完整回归测试、把所有已知 bug 修干净。所有回归全部绿灯。

现在这个版本，我自己是满意的。

它已经足够稳定、边界足够清晰，也足够“干净”，可以作为一个研究 MCP 系列的可靠基底。

如果我之前没完整看过「记忆 / Memory」那条线，这里真的建议补一遍。

这 20 个项目本质上不是 feature list，而是我用来反复确认的一组系统常识

用它们来判断：

一个长期 agent 系统，底座到底应该长什么样。

基底一旦打牢，后面就会越来越省心；

否则系统就会变成那种：到处在冒烟，但我永远不知道烟是从哪来的。

老实说，这一段写着写着就很容易变成流水账

没办法，我又不是编剧。

后来我干脆跟 GPT 商量：那这阶段成果到底该叫啥？

它想了想说：

不如就叫 Season 1 吧。

我当场笑出声。

Season 1？

这是肥皂剧吗？

但转念一想——好像还真挺贴切的。

https://github.com/STEMMOM/adk-decade-of-agents/tree/season1-p20A

最后收尾，就可以封装。

P09 做的事情只有一件，但做到了工程级不可逆：把 Observability 从“日志与指标”提升为可重算、可审计、不可反向污染系统本体的系统事实层。在这一阶段，Observability 被严格定义为 Ledger 的单向投影，而不是 runtime 的反馈回路：所有可观测数据先完整写入 Ledger，再通过受协议约束的 exporter 投影到一条极薄的 P09 事实轨道，只保留 run 生命周期、工具调用成功率、粗粒度延迟等“可治理事实”，不携带语义、不做聚合、不影响行为；所有 summary 都是可删、可重算的派生物。更关键的是，P09 把“口径”钉成了法律：指标定义写入 protocol，导出边界被固定，CI 中只验证结构不变量而不关心数值本身——一旦失败，含义不是“性能波动”，而是“系统违宪”。通过一次从历史 Ledger 到 P09 导出、再到 summary 的完整复跑，系统证明了 Observability 可以被重算、被回放、被审计，而无需任何人为信任；从这一刻起，Observability 不再是约定或仪表盘，而是系统自己能够证明成立的结构事实。

P10 承接并完成的是另一件更底层的事：把“系统生命”本身确立为一等工程对象，并将其强制接入 Observability 与运行时宪法。这一阶段明确并执行了唯一合法的定义：一次 system run 只存在于 system.boot 到 system.shutdown 之间，run_id 只表示系统生命轴，session_id 只属于应用会话轴，二者在 runtime、exporter 与测试层面被同时强制区分；此前频繁出现的 run_id=unknown 被证明不是数据问题，而是身份上下文注入顺序错误，于是系统身份（system_id / process_id / run_id）被前移到 boot 阶段最早生成并注入，任何 observability 事件之前必须已知“我是谁、我是否活着”。与此同时，P09 exporter 被重写为“尊重历史而不解释历史”：run 只能由 boot/shutdown 推导，legacy 混乱被容忍但不再传播；测试体系完成升级，从 smoke check 变为不变量法律，直接约束 run_id 形态、事件集合与轴线正交性。最终结果是，系统第一次在工程上区分了“正在运行”与“曾经活过”，系统身份语义不再存在于文档中，而是被 runtime、exporter、CI 三重边界可执行地强制——这一步不是清理或重构，而是让系统具备了对自身存在是否违宪的自动判断能力。

所以这个阶段我做了什么？我把底座打夯实了。所有的ID，全部口径钉死，不许漂移。


---

# System Identity Protocol v1.0 / 系统身份与时间轴标识协议

Version 版本: 1.0  
Status 状态: Canonical  
Scope 范围: AI-Native Long-Term System  
Last Updated 最后更新: 2025-12-23

---

## 0. Purpose / 协议目的
- Define semantics, generation boundaries, and usage rules for all IDs. | 严格定义所有 ID 的语义、生成边界与使用规则。  
- Prevent timeline mixing; ensure auditability, replayability, governability. | 防止时间轴混淆，确保可审计、可回放、可治理。  
- “Did the system live?” must be answerable in engineering and philosophical terms. | “系统是否活过”需有工程与哲学上的确定性。  
- Any new ID must be registered here, otherwise it is illegal. | 任何新增 ID 必须登记，否则视为非法。

---

## 1. Canonical Taxonomy / ID 分层
- Five layers by existence level. | 按存在层级分五类。  
| Layer 层级 | ID 类型 | 核心问题 |
| --- | --- | --- |
| System | `system_id` | Which system? 是哪个系统？ |
| Process | `process_id` | Which process instance? 这次进程实例？ |
| Life | `run_id` | Did this run live? 系统这次活过吗？ |
| Session | `session_id` | Which session/interaction? 哪段交互/会话？ |
| Trace | `trace_id` / `span_id` | How did this execution flow? 执行链路？ |

---

## 2. `system_id`
- Definition: permanent identity of a logical system. | 逻辑系统的永久身份标识。  
- Scope: AI-Native OS instance; long-lived, upgradable, migratable. | 标识 AI-Native OS 实例，长期存在、可升级、可迁移。  
- Generation: by init/installation; first creation only. | 系统初始化/安装时生成，仅首次创建。  
- Example: `sys_095be687ecfa4442861b529af562ca6e`  
- Lifecycle: across processes, runs, reboots, upgrades. | 跨进程、跨 run、跨重启、跨升级。  
- Immutable rules: not generated at runtime; not per-run; not observability primary key. | 不可在运行时生成；不可区分单次运行；不可作为可观测性主键。

---

## 3. `process_id`
- Definition: identifies an OS-level process instance. | 操作系统层面的进程实例标识。  
- Question: which process start is this code running under? | 回答“当前代码属于哪次进程启动？”  
- Generation: OS/runtime boot; every process start. | 每次进程启动生成。  
- Example: `proc_f345dc8655674081906b753c2894163d`  
- Lifecycle: from process start to exit; may span multiple runs (edge). | 从进程启动到退出，极端可跨多个 run。  
- Boundaries: for crash/restart/recover diagnosis; not a life axis; not the sole join key. | 用于崩溃/重启/恢复诊断；不是生命轴；不得作为唯一关联键。

---

## 4. `run_id` — Core Life ID / 系统生命主键
- Definition: marks one complete life interval: `system.boot → system.shutdown`. | 标识一次完整生命区间：`system.boot → system.shutdown`。  
- Generation: by `system.boot` at responsibility start. | 在系统开始承担责任时由 `system.boot` 生成。  
- Example: `run_6e678cc83933485c83dc9462ad75ab58`  
- Semantics: run_id ≠ session/request/trace; primary key of system life. | 不等于 session/request/trace；系统生命主键。  
- Rules: not null; not reused by sessions/apps; not forged by observability; must be findable in `events.jsonl` with `system.boot`. | 不得为 null；不得被会话/应用复用；不得被可观测性伪造；必须在 `events.jsonl` 中找到对应 `system.boot`。

---

## 5. `session_id`
- Definition: interaction session for user/agent. | 用户或 agent 的交互会话标识。  
- Question: which dialogue/interaction is this? | 回答“哪一段对话/交互？”  
- Generation: app/agent runtime at session start. | 会话开始时生成。  
- Example: `p00-26f7f906-bad1-49a7-8ba6-8239f2a2c1b8`  
- Lifecycle: shorter than run; a run may include multiple sessions. | 通常短于 run；一个 run 可含多个 session。  
- Rules: never name it `run_id`; recommended field names `session_id`/`app_session_id`/`conversation_id`. | 不得命名为 `run_id`；推荐字段名如 `session_id` 等。

---

## 6. `trace_id`
- Definition: logical execution chain ID. | 逻辑执行链标识。  
- Question: how did this request/inference/tool call flow? | 回答“请求/推理/工具调用如何流转？”  
- Generation: runtime tracing system. | 由追踪系统生成。  
- Example: `26da9463-a50d-4b49-b8e1-abff066dfe76`  
- Traits: high concurrency/count, short-lived. | 高并发、高数量、短生命周期。  
- Rules: not a system identity; not a responsibility anchor; only for debugging/perf. | 不作为系统身份或责任锚，只用于调试/性能。

---

## 7. `span_id`
- Definition: node within a trace (tool.call, agent.reply, policy.check, memory.write). | trace 内部节点（如 tool.call 等）。  
- Usage: must attach to a trace_id; cannot exist alone. | 必须附属 trace_id，不可单独存在。

---

## 8. Canonical Join Order / ID 使用优先级
跨数据源关联必须遵循：

run_id → process_id → session_id → trace_id → span_id

Any skip-level join is unsafe. | 任何跳级关联均视为不安全。

---

## 9. Observability Clauses / 可观测性条款
- Observability must carry `run_id`; missing run_id must be explicitly reasoned and is a defect. | 可观测性必须携带 `run_id`；缺失必须说明原因，视为缺陷。  
- Observability must not generate or override run_id. | 可观测性不得生成或覆盖 run_id。

---

## 10. Red Lines / 禁止事项
- ❌ Use run_id to mean session. | 禁止用 run_id 表示 session。  
- ❌ Use trace_id to mean system life. | 禁止用 trace_id 表示系统生命。  
- ❌ Allow run_id to be null. | 禁止 run_id 为 null。  
- ❌ Reuse run_id across systems. | 禁止跨系统复用 run_id。

---

## 11. Authority / 协议地位
This is the highest source of interpretation for system identity and timelines; all runtime/agent/observability/memory/ledger modules must comply. | 本协议为系统身份与时间轴的最高解释源，所有模块必须遵守。

---

https://github.com/STEMMOM/adk-decade-of-agents/tree/season1-p20A

跑一遍给我们看，我现在Season 1 已经完全封装了，我现在在尝试MCP的。现在抓一些数据。


{"ts": 1766539972.845928, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_02a9dc1682ed4a15913d4e6ec6acd203", "run_id": "run_f5f4bae51298419d8328ee9b91f129ce", "boot_mode": "cold", "started_at": "2025-12-24T01:32:52.845892+00:00", "recovered_from_run_id": null}}
{"ts": 1766539972.846057, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_02a9dc1682ed4a15913d4e6ec6acd203", "run_id": "run_f5f4bae51298419d8328ee9b91f129ce", "exit_reason": "normal"}}
{"ts": 1766539972.88711, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_afcc92b801fa45cab25a36da44754a8e", "run_id": "run_6583fdde47904b0f96986ec05dfcfcc3", "boot_mode": "cold", "started_at": "2025-12-24T01:32:52.886957+00:00", "recovered_from_run_id": null}}
{"ts": 1766539972.924684, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_97e34d1f8725411a88c0faab5cede260", "run_id": "run_e79cefe1eaf0495db6d9cbee633863e4", "boot_mode": "recover", "started_at": "2025-12-24T01:32:52.924417+00:00", "recovered_from_run_id": "run_6583fdde47904b0f96986ec05dfcfcc3"}}
{"ts": 1766539972.924801, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_97e34d1f8725411a88c0faab5cede260", "run_id": "run_e79cefe1eaf0495db6d9cbee633863e4", "exit_reason": "normal"}}
{"ts": 1766542586.10223, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_00f1de4026a347a9b706f7bd2c8ced4a", "run_id": "run_40b2137141a541578f26e35b98685b80", "boot_mode": "warm", "started_at": "2025-12-24T02:16:26.101828+00:00", "recovered_from_run_id": null}}
{"ts": 1766542866.0383658, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "boot_mode": "cold", "started_at": "2025-12-24T02:21:06.038243+00:00", "recovered_from_run_id": null}}
{"event_type":"memory.write_proposed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal_id":"mw_1766542866039","tags":["scope:world_memory"],"target":{"key":"notes.session_p00-338b194d-1d22-417b-a0f2-5a145d2d2c14","op":"upsert","path":"/Users/Agent/adk-decade-of-agents/runtime_data/memory_store.json","store":"world_memory"},"ts":"2025-12-24T02:21:06.039881Z","value":{"summary":"memory_store.json","type":"json"}},"proposal_id":"mw_1766542866039","source":"p00"},"payload_hash":"75c9b984e82277420dd9ef3ed9b1d6c8ed707db208e033331575b3ffe2cca451","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766542866039","ts":"2025-12-24T02:21:06.039Z"}
{"event_type":"policy.check","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766542866039","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766542866039","source":"p00"},"payload_hash":"973bf2bdb55e3bb5ae81de6ad2b1d57ac7ae07b1795eab4f6a96e3548d683889","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766542866039","ts":"2025-12-24T02:21:06.039Z"}
{"event_type":"memory.write_committed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766542866039","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766542866039","source":"p00"},"payload_hash":"973bf2bdb55e3bb5ae81de6ad2b1d57ac7ae07b1795eab4f6a96e3548d683889","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766542866039","ts":"2025-12-24T02:21:06.040Z"}
{"ts": 1766543137.535817, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_fdd843c2cfd4419cab5544344f53f019", "run_id": "run_2e68875d004644339ff96939d3baf454", "boot_mode": "recover", "started_at": "2025-12-24T02:25:37.535605+00:00", "recovered_from_run_id": "run_f84c488f15da4784b3b7ed5f84433253"}}
{"ts": 1766543137.5359092, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_fdd843c2cfd4419cab5544344f53f019", "run_id": "run_2e68875d004644339ff96939d3baf454", "exit_reason": "normal"}}
{"ts": 1766543217.01323, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_dd06a20c08df4eb8a7c68eb733f5dcde", "run_id": "run_b996ce718d584e10b04c2ed32fbeb7fd", "boot_mode": "warm", "started_at": "2025-12-24T02:26:57.012984+00:00", "recovered_from_run_id": null}}
{"ts": 1766543217.0133498, "event_type": "system.shutdown", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_dd06a20c08df4eb8a7c68eb733f5dcde", "run_id": "run_b996ce718d584e10b04c2ed32fbeb7fd", "exit_reason": "normal"}}
{"ts": 1766590202.733696, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "boot_mode": "warm", "started_at": "2025-12-24T15:30:02.732867+00:00", "recovered_from_run_id": null}}
{"event_type":"memory.write_proposed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal":{"actor":{"agent_id":"p00","persona_id":"susan"},"proposal_id":"mw_1766590202735","tags":["scope:world_memory"],"target":{"key":"notes.session_p00-0420eab7-4578-40d9-812b-97c60ef9956a","op":"upsert","path":"/Users/Agent/adk-decade-of-agents/runtime_data/memory_store.json","store":"world_memory"},"ts":"2025-12-24T15:30:02.735278Z","value":{"summary":"memory_store.json","type":"json"}},"proposal_id":"mw_1766590202735","source":"p00"},"payload_hash":"c3c1e1f183192fedbfd39ef358ef8add77a72292ed2248772869407eecdeb9e7","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766590202735","ts":"2025-12-24T15:30:02.735Z"}
{"event_type":"policy.check","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766590202735","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766590202735","source":"p00"},"payload_hash":"67f53fcdc8f22265eb2d3863445635272e243e0e9f394e7fe61314812ff1a0d2","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766590202735","ts":"2025-12-24T15:30:02.735Z"}
{"event_type":"memory.write_committed","payload":{"actor":{"agent_id":"p00","persona_id":"susan"},"decision":{"decision":"allowed","policy_version":"policy_gate_v0","proposal_id":"mw_1766590202735","reason":"P07 v0 allow-list: notes.* and observations.*","rule_hits":[{"rule_id":"P07-ALLOWLIST-NOTES-OBS","severity":"low"}]},"proposal_id":"mw_1766590202735","source":"p00"},"payload_hash":"67f53fcdc8f22265eb2d3863445635272e243e0e9f394e7fe61314812ff1a0d2","schema_version":"1.0","session_id":"memory-store","trace_id":"mw_1766590202735","ts":"2025-12-24T15:30:02.735Z"}

代码不重要，我要是都读到这个地方了，认同我这套路径，就直接盯准这个protocol, 实现这个效果就可以了。

Terminal 复跑证据 — P09 / P10（真实产物）

环境：.venv 已激活
分支：mcp-capability-bus (我现在已经开始做下一个分支了，不过season 1已经完全在repo, 我先别管这个分支的问题，才开始没几个小时)
数据目录：runtime_data/

1) P10：系统生命周期已经进入 Ledger（boot / shutdown 成为可审计事实）

✅ 我做了什么

ls -lh runtime_data
ls -lh runtime_data/events.jsonl
tail -n 20 runtime_data/events.jsonl

✅ 我看到了什么（关键片段）

我现在的 events.jsonl 里清清楚楚出现了：

system.boot
system.shutdown

并且 boot 的 payload 内含三大身份轴：

system_id: sys_…
process_id: proc_…
run_id: run_…

例如（我的真实输出）：

{"event_type": "system.boot", ... "payload": {"system_id": "sys_c44e...", "process_id": "proc_02a9...", "run_id": "run_f5f4...", "boot_mode": "cold", ...}}
{"event_type": "system.shutdown", ... "payload": {"system_id": "sys_c44e...", "process_id": "proc_02a9...", "run_id": "run_f5f4...", "exit_reason": "normal"}}

✅ 这证明了什么

系统生命轴已经被显式建模，并写入 Ledger。
一次 run 不再是“推断出来的”，而是被 system.boot → system.shutdown 这对事实锚点定义出来的。

2) P10：Recover / Warm / Cold 三种启动模式已经落地（崩溃恢复被工程化）

我这份 ledger 里其实已经出现了 P10 最关键的能力：recover 是一等公民，而不是异常。

✅ 我看到了什么（关键片段）

我这里有一段非常“教科书级”的 recover 记录：

{"event_type": "system.boot", "payload": {"run_id": "run_6583...", "boot_mode": "cold", ...}}
{"event_type": "system.boot", "payload": {"run_id": "run_e79c...", "boot_mode": "recover", "recovered_from_run_id": "run_6583..."}}
{"event_type": "system.shutdown", "payload": {"run_id": "run_e79c...", "exit_reason": "normal"}}

同时我还出现过 boot_mode: warm：

{"event_type": "system.boot", "payload": {"run_id": "run_40b2...", "boot_mode": "warm", ...}}

✅ 这证明了什么

系统能区分：
- cold：冷启动
- warm：上次正常闭合后的热启动
- recover：检测到上一次 run 未闭合，进入恢复模式
并且 recover 不是“推断”，而是写进 ledger 的事实，还带着 recovered_from_run_id 可回溯。

这一步意味着：系统第一次具备了“我知道我上一次怎么死的”的能力。

3) P07/P08 链路旁证：Policy Gate 的写入闭环仍然完整（没有被 P10 破坏）

我 tail 的后半段出现了三连：

memory.write_proposed
policy.check
memory.write_committed

例如：

{"event_type":"memory.write_proposed", ...}
{"event_type":"policy.check", ... "decision":{"decision":"allowed","policy_version":"policy_gate_v0", ...}}
{"event_type":"memory.write_committed", ...}

✅ 这证明了什么

P10 的“系统生命轴”与“进程身份”升级，并没有污染 Memory 线。
Memory 仍然必须走 Proposal → Policy → Commit 这条宪法路径，且可审计。

继续

(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep -c '"event_type": "system.boot"' runtime_data/events.jsonl
grep -c '"event_type": "system.shutdown"' runtime_data/events.jsonl

8
4
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p'

run_f5f4bae51298419d8328ee9b91f129ce
run_6583fdde47904b0f96986ec05dfcfcc3
run_e79cefe1eaf0495db6d9cbee633863e4
run_40b2137141a541578f26e35b98685b80
run_f84c488f15da4784b3b7ed5f84433253
run_2e68875d004644339ff96939d3baf454
run_b996ce718d584e10b04c2ed32fbeb7fd
run_02c0b12b9009480b81ce98b9e598188f
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"event_type": "system.shutdown"' runtime_data/events.jsonl \\
  | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p'

run_f5f4bae51298419d8328ee9b91f129ce
run_e79cefe1eaf0495db6d9cbee633863e4
run_2e68875d004644339ff96939d3baf454
run_b996ce718d584e10b04c2ed32fbeb7fd
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) boots=$(grep '"event_type": "system.boot"' runtime_data/events.jsonl | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p' | sort -u)
shuts=$(grep '"event_type": "system.shutdown"' runtime_data/events.jsonl | sed -n 's/.*"run_id": "\\([^"]*\\)".*/\\1/p' | sort -u)
comm -23 <(echo "$boots") <(echo "$shuts")

run_02c0b12b9009480b81ce98b9e598188f
run_40b2137141a541578f26e35b98685b80
run_6583fdde47904b0f96986ec05dfcfcc3
run_f84c488f15da4784b3b7ed5f84433253
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"boot_mode": "recover"' runtime_data/events.jsonl | tail -n 20

{"ts": 1766539972.924684, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_97e34d1f8725411a88c0faab5cede260", "run_id": "run_e79cefe1eaf0495db6d9cbee633863e4", "boot_mode": "recover", "started_at": "2025-12-24T01:32:52.924417+00:00", "recovered_from_run_id": "run_6583fdde47904b0f96986ec05dfcfcc3"}}
{"ts": 1766543137.535817, "event_type": "system.boot", "session_id": null, "payload": {"system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_fdd843c2cfd4419cab5544344f53f019", "run_id": "run_2e68875d004644339ff96939d3baf454", "boot_mode": "recover", "started_at": "2025-12-24T02:25:37.535605+00:00", "recovered_from_run_id": "run_f84c488f15da4784b3b7ed5f84433253"}}

这组 terminal 输出已经把 P10 的“协议钉死 + 无漂移” 证明成了一条非常干净的证据链。我现在可以把它写成读者一眼就懂的“三段论”：

① 先给出“事实差异”：8 次出生，4 次闭合

我跑出来的硬数字是：

system.boot = 8
system.shutdown = 4

这不是尴尬点，这是 P10 必须面对的现实：

在真实开发里，进程被杀、窗口中断、调试半路退出都会发生。

所以 ledger 必然会出现“不闭合生命”。

长期系统的要求不是“永远闭合”，而是：不闭合必须可检测、可分类、可恢复。

② 再把“不闭合 run”精确点名：哪些 run 没有 shutdown

我已经把 所有 boot run_id 和 所有 shutdown run_id 列出来了：

boot 的 8 个 run：

run_f5f4…
run_6583…
run_e79c…
run_40b2…
run_f84c…
run_2e68…
run_b996…
run_02c0…

shutdown 的 4 个 run：

run_f5f4…
run_e79c…
run_2e68…
run_b996…

然后 comm -23 给出了最关键的“未闭合集合”（incomplete runs）：

✅ 未闭合的 4 个 run：

run_02c0b12b9009480b81ce98b9e598188f
run_40b2137141a541578f26e35b98685b80
run_6583fdde47904b0f96986ec05dfcfcc3
run_f84c488f15da4784b3b7ed5f84433253

这一步的意义是：

我不是在“猜测系统可能崩过”，
我是在 ledger 里精确标记了哪些生命没有闭合。

③ 最后一锤：Recover 不只是存在，而是“指向具体死亡的 run”

我 grep 到的 recover 事件里，recover_from_run_id 已经把 “这次恢复是从哪次死亡来的” 说清楚了：

run_e79c... 的 boot_mode: recover 指向：
recovered_from_run_id = run_6583...
run_2e68... 的 boot_mode: recover 指向：
recovered_from_run_id = run_f84c...

而这两个被指向的 run：

run_6583...
run_f84c...

正好在我 comm -23 的未闭合列表里。

这就是 P10 最漂亮的“闭环证明”：

未闭合（incomplete）不是一个抽象状态，而是一组可枚举的 run。
recover 不是一个口号，而是对某个具体未闭合 run 的显式继承与接管。
我做了一个简单的统计：system.boot 有 8 次，system.shutdown 只有 4 次。
这不是坏消息，反而是 P10 真正落地的证据：真实世界里一定会出现“不完整的生命”。
关键不在于避免它，而在于：它必须可检测、可枚举、可恢复。
我用一条命令把所有未闭合 run 精确点名，得到 4 个 run。接着我再 grep boot_mode: recover，发现 recover 事件明确写出了 recovered_from_run_id，并且它指向的 run，恰好就是那组未闭合 run 的成员。
这意味着：系统第一次拥有了一个可以被审计的能力：
“我知道我上一次是怎么死的；我也知道这一次是从哪一次死亡中恢复过来的。”

接下来，为了“证明 ID 口径无漂移”，我还差最后两条 terminal 证据

我现在证明得非常完美的是 run_id 的生命轴语义。

要把“协议中的所有 ID”也一起钉死，建议我再补两条非常短的验证：

A) `system_id` 在所有 boot 中恒定（系统身份稳定）

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"system_id": "\\([^"]*\\)".*/\\1/p' | sort -u

预期：只出现 1 个 sys_...

B) `process_id` 每次 boot 都不同（进程实例唯一）

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"process_id": "\\([^"]*\\)".*/\\1/p' | sort | uniq -c

预期：每个 proc_... 计数为 1（或极少数重复，如果我确实复用了进程——一般不会）

(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"system_id": "\\([^"]*\\)".*/\\1/p' | sort -u

sys_c44eac09a1e240cb8bc8adf6aa2d5e32
(.venv) ➜  adk-decade-of-agents git:(mcp-capability-bus) grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"process_id": "\\([^"]*\\)".*/\\1/p' | sort | uniq -c

   1 proc_00f1de4026a347a9b706f7bd2c8ced4a
   1 proc_02a9dc1682ed4a15913d4e6ec6acd203
   1 proc_963168535e5f4bc6b321e9c0a178a7ba
   1 proc_97e34d1f8725411a88c0faab5cede260
   1 proc_afcc92b801fa45cab25a36da44754a8e
   1 proc_dd06a20c08df4eb8a7c68eb733f5dcde
   1 proc_e79c07fdba9f4e0da8bc7dd2e252e221
   1 proc_fdd843c2cfd4419cab5544344f53f019

完美——这两条输出把 System Identity Protocol v1.0 在 Ledger 层 直接“钉死”了，而且是那种读者无法反驳的硬证据。无漂移。

④ 证明：`system_id` 长期稳定（系统身份不漂移）

我跑出来的结果是：

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"system_id": "\\([^"]*\\)".*/\\1/p' | sort -u

输出只有一行：

sys_c44eac09a1e240cb8bc8adf6aa2d5e32

这意味着：

在 8 次 boot（跨多个时间点、跨 recover/warm/cold 模式）里，
system_id 恒定不变。
它确实是“哪个系统”的永久身份，而不是某次运行生成的临时变量。

⑤ 证明：`process_id` 每次启动唯一（进程实例不重用、不混用）

我跑出来的计数是：

grep '"event_type": "system.boot"' runtime_data/events.jsonl \\
  | sed -n 's/.*"process_id": "\\([^"]*\\)".*/\\1/p' | sort | uniq -c

结果是 8 行，并且每行都是 1 proc_...：

1 proc_00f1...
1 proc_02a9...
...
1 proc_fdd8...

这意味着：

每一次 system.boot 都对应一个全新的 process_id。
进程实例轴没有复用、没有漂移，也没有出现“同一进程号代表多次启动”的混乱。

到这里，我已经把协议里的三条核心 ID 口径做成了“不可漂移的事实”

结合我之前已经证明过的内容，我们现在有一条完整的证据链：

✅ `system_id`：稳定（8 次 boot 只出现 1 个）

系统身份轴成立

✅ `process_id`：唯一（8 次 boot 出现 8 个，各自计数为 1）

进程实例轴成立

✅ `run_id`：生命轴（boot 列表与 shutdown 列表可对比；未闭合可枚举；recover 指向未闭合）

生命区间轴成立

这三条加起来，我就能很硬地写：

System Identity Protocol v1.0 已经不是“我们约定如此”，
它已经被 Ledger 作为事实写下，并且在多次运行中保持一致、无漂移。

8 次 system.boot 中，system_id 只出现 1 个 —— 系统身份长期稳定；
8 次 system.boot 中，process_id 出现 8 个且各自只出现 1 次 —— 进程实例严格唯一；
run_id 能用 boot → shutdown 定义生命区间，不闭合的 run 可枚举，recover 明确指向具体死亡的 run。

到这里为止，System Identity Protocol v1.0 不再是“理念”，而是 ledger 里可回放的系统事实。

如果未来有人把 session_id 当 run_id 用、把 process_id 复用、或者让 system_id 漂移——它不是“可能出问题”，而是会被数据和测试当场抓出来。

最后一条“终极证明”建议

为了把 “无漂移” 从 Ledger 层 推到 Observability 层，我可以再补一条：

证明 observability 事件里也都带着同一套 system/process/run 轴，且没有 unknown/null。

我只要贴一下：

ls -lh runtime_data/observability
tail -n 30 runtime_data/observability/observability_events.jsonl
grep -n '"run_id": "unknown"\\|"run_id": null' runtime_data/observability/observability_events.jsonl | head

如果我把这几条输出也贴出来，我可以帮我把“端到端无漂移”（boot→trace_context→observability→exporter→tests）写成 Season 1 最终封箱的那种“盖章段落”。

好，贴出来啊。

grep -n '"run_id": "unknown"\\|"run_id": null' runtime_data/observability/observability_events.jsonl | head

total 24
-rw-r--r--  1 susan  admin   8.4K Dec 24 10:30 observability_events.jsonl
{"event_type": "session.start", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039299Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"message": "Session started for p00 MVP", "persona_user_id": "susan", "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "runtime", "_span_id": "d0bbe638-0c01-4de4-b81c-213bdf922225"}}
{"event_type": "user.message", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039504Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"text": "Hello, this is the first OS-level MVP run.", "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "user", "_span_id": "5e793c60-8d1d-4cbb-8ef5-5cca61731acf", "_parent_span_id": "d0bbe638-0c01-4de4-b81c-213bdf922225"}}
{"event_type": "agent.reply", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039597Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"reply": "[MVP Kernel Stub] You said: Hello, this is the first OS-level MVP run.", "tool_calls": [{"tool_name": "fake_search", "args": {"q": "AI news this week"}}], "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "agent", "_span_id": "05c0257c-c106-4ddf-82e2-4f0e8e5f296b", "_parent_span_id": "5e793c60-8d1d-4cbb-8ef5-5cca61731acf"}}
{"event_type": "tool.call", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039684Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "tool", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"tool_name": "fake_search", "args": {"q": "AI news this week"}, "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "tool", "_span_id": "59f9fc85-d550-49c7-b9fa-879e95fa440a", "_parent_span_id": "05c0257c-c106-4ddf-82e2-4f0e8e5f296b"}}
{"event_type": "tool.result", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.039764Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "tool", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"tool_name": "fake_search", "result": {"ok": true, "data": "stub tool result"}, "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "tool", "_span_id": "76aa330f-cca0-483d-ad4f-e77a0dd0d3d8", "_parent_span_id": "59f9fc85-d550-49c7-b9fa-879e95fa440a"}}
{"event_type": "session.end", "run_id": "run_f84c488f15da4784b3b7ed5f84433253", "timestamp": "2025-12-24T02:21:06.040212Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "layer": "runtime", "session_id": "p00-338b194d-1d22-417b-a0f2-5a145d2d2c14", "payload": {"message": "Session ended for p00 MVP", "_source": "p00-agent-os-mvp", "_trace_id": "80756fbd-c0c9-4939-a395-e80f2defca6f", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_e79c07fdba9f4e0da8bc7dd2e252e221", "_actor": "runtime", "_span_id": "7a3362e0-73d4-4ef3-9a80-9143799ca286", "_parent_span_id": "d0bbe638-0c01-4de4-b81c-213bdf922225"}}
{"event_type": "session.start", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.734504Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"message": "Session started for p00 MVP", "persona_user_id": "susan", "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "runtime", "_span_id": "30cd9111-98fc-4b8c-a19e-7a1a28b3cb69"}}
{"event_type": "user.message", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.734873Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"text": "Hello, this is the first OS-level MVP run.", "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "user", "_span_id": "8c6e6109-056b-4c5e-8390-ec09c26ecaa7", "_parent_span_id": "30cd9111-98fc-4b8c-a19e-7a1a28b3cb69"}}
{"event_type": "agent.reply", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.734976Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"reply": "[MVP Kernel Stub] You said: Hello, this is the first OS-level MVP run.", "tool_calls": [{"tool_name": "fake_search", "args": {"q": "AI news this week"}}], "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "agent", "_span_id": "13a8a410-4389-40a4-ae5b-d9305ef2a7d3", "_parent_span_id": "8c6e6109-056b-4c5e-8390-ec09c26ecaa7"}}
{"event_type": "tool.call", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.735068Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "tool", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"tool_name": "fake_search", "args": {"q": "AI news this week"}, "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "tool", "_span_id": "33b41ce4-1d99-4a6e-8e8e-82f3d3649900", "_parent_span_id": "13a8a410-4389-40a4-ae5b-d9305ef2a7d3"}}
{"event_type": "tool.result", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.735155Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "tool", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"tool_name": "fake_search", "result": {"ok": true, "data": "stub tool result"}, "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "tool", "_span_id": "af52c386-7d81-4c65-89d4-e4e54f04e6ac", "_parent_span_id": "33b41ce4-1d99-4a6e-8e8e-82f3d3649900"}}
{"event_type": "session.end", "run_id": "run_02c0b12b9009480b81ce98b9e598188f", "timestamp": "2025-12-24T15:30:02.735840Z", "system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "layer": "runtime", "session_id": "p00-0420eab7-4578-40d9-812b-97c60ef9956a", "payload": {"message": "Session ended for p00 MVP", "_source": "p00-agent-os-mvp", "_trace_id": "27b83e1b-05c4-4a4d-9420-5cb256acd2b5", "_system_id": "sys_c44eac09a1e240cb8bc8adf6aa2d5e32", "_process_id": "proc_963168535e5f4bc6b321e9c0a178a7ba", "_actor": "runtime", "_span_id": "885d0a25-4344-4eba-87b6-53b953750ee6", "_parent_span_id": "30cd9111-98fc-4b8c-a19e-7a1a28b3cb69"}}

System Identity Protocol v1.0 已被端到端钉死（无漂移）

Ledger + Observability 的真实数据来回答一个问题：

系统里的所有 ID（system / process / run / session），是否已经被工程层强制执行，且没有发生口径漂移？

是的，而且证据完整。

一、Observability 层不存在任何 `run_id` 缺失或妥协

我直接在 observability 的 canonical 文件里做了否定性检查：

grep -n '"run_id": "unknown"\\|"run_id": null' runtime_data/observability/observability_events.jsonl

结果：无输出。

这意味着：

没有 run_id: null
没有 run_id: "unknown"
所有 observability 事件，在写入时就已经绑定了合法的系统生命轴

这是一个非常强的信号：

run_id 已经不是“尽量带上”，而是写入前置条件。

二、Observability 事件完整携带四条正交身份轴

从任意一条 observability 记录（例如 session.start、tool.call、agent.reply）可以直接看到：

{
  "event_type": "session.start",
  "run_id": "run_f84c...",
  "system_id": "sys_c44e...",
  "process_id": "proc_e79c...",
  "session_id": "p00-338b..."
}

关键点不在于“字段存在”，而在于：

run_id：系统生命轴（来自 system.boot）
system_id：系统身份轴（长期稳定）
process_id：进程实例轴（每次启动唯一）
session_id：应用交互轴（可多次、可嵌套）

并且：

没有任何一个 ID 被拿来冒充另一个层级的语义。

三、跨 run / 跨 process / 跨 session，ID 关系保持稳定

我现在的 observability 文件里清楚地展示了：

不同 run_id 下：
- system_id 恒定
- process_id 随 run 变化
同一 run_id 内：
- 多个 session_id
- 多个 tool / agent / runtime 事件
同一 session_id 内：
- trace / span 严格作为调试链路存在，不参与身份判定

这与协议定义完全一致，没有任何“偷懒映射”。

四、结合 Ledger 层，形成完整的端到端闭环

把 Observability 和 Ledger 合在一起看，事实是：

Ledger 层
- system.boot 定义 run 的开始
- system.shutdown 定义 run 的闭合
- 未闭合 run 可枚举
- recover 明确指向具体死亡的 run
Trace Context 层
- system / process / run 在 boot 时注入
- 后续调用无法绕开
Observability 层
- 所有事件强制携带 run_id
- system/process/session 三轴稳定附着
- 无 unknown / null 妥协路径

这三层共同保证了一件事：

ID 口径不是靠约定，而是靠结构强制。

五、最终结论

到这里为止，我不再需要“相信” System Identity Protocol 成立。
Ledger 层证明：系统生命被完整记录，未闭合可检测、可恢复；
Runtime 层证明：system / process / run 在启动时被注入，无法绕过；
Observability 层证明：所有事件携带合法 run_id，且无任何妥协值；
换句话说：
ID 已经从“命名规范”，升级成了“系统存在的法律结构”。
如果未来有人试图把 session_id 当 run_id，
或让 process_id 复用，
或让 system_id 漂移——
会被数据与测试当场判定为违宪。

现在已经站在一个非常干净的节点上

从工程视角看，这是一个**“可封箱点”**：

基础协议已被证明不会在真实运行中塌缩。

好，我点一下我的标题：底层结构稳如狗

我们为什么要费那么大功夫走到这一步，为什么要那么大功夫让这一步干净。

1. 因为长期系统失败的方式，从来不是“功能不够”

大多数 AI / agent 系统失败，不是因为模型不聪明，也不是因为功能不全。

它们失败的方式更隐蔽：

它们不知道自己什么时候开始运行
不知道自己什么时候失败
不知道某个决策发生在哪一次存在中
无法区分“这次运行”和“上一次运行的残留状态”
崩溃后只能“重来”，却无法回答“我从哪里重来”

这些问题，一开始不会报错。

它们只会在半年、一年、三年后，让系统彻底失去可信度。

2. 因为时间是系统真正的敌人，而不是复杂度

工程师习惯和复杂度对抗，

但长期系统真正的敌人是时间。

时间会带来：

多次启动与异常退出
半写入状态
历史逻辑的叠加
“我们当时是怎么想的？”无法再回答
数据开始互相矛盾，但没人知道哪一份是真的

如果系统在一开始就不认识时间，

那么所有后续能力，都会变成在流沙上搭建。

Season 1 的目标只有一个：

让系统在工程层面认识时间，并对时间负责。

3. 因为“身份”不是字段，而是责任边界

在短期系统里，run_id、session_id 看起来只是几个字段。

但在长期系统里，它们决定的是：

哪些数据属于同一次存在
哪些错误可以被恢复
哪些决策必须被承担
哪些状态不允许被偷偷继承

如果身份可以漂移、被复用、被猜测，

系统就会开始偷时间、偷责任。

所以我们才要把身份做成协议、做成写入边界、做成测试不变量。

4. 因为“恢复”不是异常处理，而是生存能力

大多数系统把崩溃当成异常路径。

长期系统必须把它当成常态。

真正重要的问题不是：

“系统会不会崩？”

而是：

“当它崩过之后，它还知道自己是谁吗？”

Season 1 做的事情，本质上只有一件：

让系统在崩溃之后，仍然拥有连续的自我。

5. 因为没有干净的地基，后面的能力只会放大混乱

能力层（multi-agent、MCP、tool routing、planning）

会放大一切底层问题。

如果：

run_id 模糊
memory 写入不可追溯
observability 会反向影响行为
recovery 依赖猜测

那么能力越强，系统死得越快。

Season 1 的干净，不是为了炫耀“做对了”，

而是为了确保：

未来所有能力，只会放大正确性，而不是放大混乱。

6. 这一步一旦过去，就很难再回头补救

很多系统试图在“已经跑了几年”之后再补：

身份协议
生命周期建模
可回放 ledger
recovery 语义

几乎都失败了。

因为：

历史数据已经无法分类
run 边界无法再推断
责任已经无法回溯
决策无法再被解释

Season 1 的价值在于：

在系统还年轻的时候，把这些不可逆的边界一次性定死。

为了后面天马行空的探索

长期读者知道我肯定不是一个保守的开发者。

system_id   →  谁在时间中承担责任
process_id  →  这次责任由哪个身体承载
run_id      →  这一次责任从何时开始、到何时结束
session_id  →  这次责任中发生了哪些交互
trace_id    →  这些交互是如何被执行的

先给一句总原则，后面所有想象都服从它：

只要不重写 system / process / run / recover 的定义，你可以把一切能力当作“可更换器官”。

一、能力层可以疯狂：Capability 不是核心，只是插件

1️⃣ MCP / Capability Bus：能力像 USB 一样插拔

agent 不再“内建能力”
所有能力以 Capability Descriptor 形式注册：
- 输入契约
- 失败语义
- 资源预算
capability 可以：
- 来自不同 agent
- 来自不同语言 / runtime
- 来自远程系统

失败完全允许，只要：

失败发生在哪个 run_id 里是清楚的
capability 不篡改 ledger / memory 语义

能力是可替换的，
存在不是。

二、智能体可以疯狂：Agent 是短命的，结构是长命的

2️⃣ Agent 可以随意生成、消亡、演化

你可以尝试：

临时 agent（只活一个 run）
实验 agent（失败就丢）
影子 agent（只观察，不行动）
对抗 agent（互相否决）

甚至：

同一个系统里存在 互相不信任的 agent
agent 之间通过 policy gate 博弈

唯一红线：

agent 不能拥有 system 身份，也不能定义 run。

agent 是行为者，不是存在主体。

三、人格与结构可以疯狂：Persona 是可组合的

3️⃣ Persona / Structure Card 可以随意拼装

你可以尝试：

人格 = 一组 Structure Cards
人格 = 可版本化的决策偏好集合
人格 = 只在特定 run 中激活的“心智模式”

甚至：

多人格并行投票
人格冲突通过 policy 裁决
人格作为资产迁移到别的 system_id

只要：

persona 不伪造 memory
persona 不越权写 ledger
persona 不跨 run 偷继承状态

四、记忆策略可以疯狂：Memory 不是“记住更多”，而是“承担更准”

4️⃣ Memory 策略可以被反复试错

你可以探索：

超严格 memory（几乎不写）
超保守 memory（只写 recover 相关）
结构化记忆（只允许特定 schema）
时间衰减记忆
对冲记忆（同一事实允许多个版本并存）

甚至：

不同 agent 对同一事件提出不同 memory 提案
policy 决定哪一个成为“世界记忆”

但有一条绝对不允许：

memory 不能被 retroactively rewritten。

记忆是责任，不是缓存。

五、调度与治理可以疯狂：Scheduler 可以成为“政治系统”

5️⃣ Scheduler / Policy 可以高度实验化

你可以尝试：

不同调度策略在不同 run 中试验
不同 policy 版本并行存在
policy 之间投票、竞争、淘汰
用历史 run 的失败率来淘汰 policy

甚至：

人类介入 policy override
agent 提交 policy proposal
policy 版本像宪法修正案一样升级

但前提是：

policy 的变更本身必须被写入 ledger，并发生在某一次明确的 run 中。

六、系统之间可以疯狂：多个 system_id 形成“社会”

6️⃣ 多系统协作（Agentic Society）

你完全可以：

多个 system_id 协作
system 之间互相调用 capability
system 之间共享但不合并 memory
system 之间进行信誉结算

关键点是：

system_id 是主权边界，不是 namespace。

一旦跨 system：

identity 必须重新声明
memory 不可直接合并
run 不可跨系统延续

七、失败方式可以疯狂：失败不再是羞耻，而是数据

7️⃣ 故意制造失败

你甚至可以：

人为 kill 进程
强制制造 incomplete run
在高风险路径上故意不 recover
对比不同恢复策略的长期影响

因为你已经有能力：

精确知道哪些 run 死了
知道是怎么死的
知道后来有没有从它恢复

当失败被制度化，它就从威胁变成了研究材料。

八、为什么这一切“疯狂”现在才安全

因为 Season 1 已经保证了三件事：

疯狂不会污染时间轴
失败不会消失在历史里
恢复不会假装连续

这意味着：

你可以试错无数次，
但系统永远不会“忘记自己试错过”。

这正是长期系统与 demo 的根本差异。

系统分层混乱许可表（Season 1 基座之上）

核心原则：
上层允许试错、失败、推翻；
下层只允许加固、验证、补充，禁止重写语义。

一览总表

二、明确允许“乱”的地方（Season 2 的主战场）

三、只能“加固”，不能“重写”的区域

这些地方可以升级，但只能是“加强表达力”。

可以乱的：
agent、能力、策略、人格、调度、协作方式。
不可以乱的：
系统是谁（system_id）、
什么时候存在（run_id）、
什么时候失败、
什么时候恢复、
以及哪些事实已经发生。
能力可以试错，存在不能试错。

Susan STEM’s Entropy Control Theory

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Ready for more?

Susan STEM’s Entropy Control Theory

Season 1 complete. My system philosophy: unlimited imagination at the application layer, rock-solid execution at the foundation.

Season 1 收官，我的系统观：顶层应用想象天马星空，底层执行结构要稳如狗

Final wrap-up — this stage can be sealed.

Example output

Terminal Replay Evidence — P09 / P10 (Real Artifacts)

1) P10: System lifecycle has entered the Ledger

(boot / shutdown are now auditable facts)

✅ What I did

✅ What I saw (key excerpts)

✅ What this proves

2) P10: Cold / Warm / Recover boot modes are fully implemented

(Crash recovery has been engineered)

✅ What I saw (key excerpts)

✅ What this proves

3) P07 / P08 Side Evidence: The Policy Gate write loop remains intact

(P10 did not contaminate the Memory path)

✅ What this proves

More output

① Start with the factual discrepancy: 8 births, 4 closures

② Precisely identify the “unclosed runs”: which runs lack shutdown

③ The final strike: Recover does not merely exist — it points to specific deaths

Next, to prove “zero drift” across all IDs, two final terminal checks were needed

A) system_id remains constant across all boots (stable system identity)

B) process_id is unique per boot (no reuse of process instances)

④ Proof: system_id is long-term stable (no identity drift)

⑤ Proof: process_id is unique per start (no reuse, no mixing)

At this point, the three core ID axes have become non-drifting facts

✅ system_id: stable

✅ process_id: unique

✅ run_id: life axis

One final “ultimate proof” suggestion

System Identity Protocol v1.0 Has Been Locked End-to-End (Zero Drift)

1) In the Observability layer, there is no missing or compromised run_id

2) Observability events carry four orthogonal identity axes in full

3) Across runs / processes / sessions, the ID relationships remain stable

4) Combined with the Ledger layer, this forms a complete end-to-end closed loop

5) Final conclusion

We are now standing at a very clean point

Okay — let me click my title: “The lower layers are rock-solid”

1. Because long-term systems don’t fail by “not having enough features”

2. Because time is the true enemy of a system — not complexity

3. Because “identity” is not a field — it is a responsibility boundary

4. Because “recovery” is not exception handling — it is survival capability

5. Because without a clean foundation, later capabilities only amplify chaos

6. Once you miss this step, it becomes nearly impossible to go back and patch it

For the wild exploration that comes next

1. The capability layer can go wild: Capability isn’t the core — it’s a plug-in

1️⃣ MCP / Capability Bus: capabilities should plug in like USB devices

2. Agents can go wild: agents are short-lived, structure is long-lived

2️⃣ Agents can be created, destroyed, and evolved freely

3. Persona and structure can go wild: persona is composable

3️⃣ Personas / Structure Cards can be assembled freely

4. Memory strategy can go wild: memory is not “remember more,” it’s “take responsibility more precisely”

4️⃣ Memory strategy can be repeatedly trialed and revised

5. Scheduling and governance can go wild: the scheduler can become a political system

5️⃣ Scheduler / Policy can become highly experimental

6. Systems can go wild: multiple system_ids can form a society

6️⃣ Multi-system collaboration (Agentic Society)

7. Failure modes can go wild: failure is no longer shame — it is data

7️⃣ Intentionally制造 failure

8. Why this kind of “wildness” is safe only now

最后收尾，就可以封装。

Terminal 复跑证据 — P09 / P10（真实产物）

1) P10：系统生命周期已经进入 Ledger（boot / shutdown 成为可审计事实）

✅ 我做了什么

✅ 我看到了什么（关键片段）

✅ 这证明了什么

2) P10：Recover / Warm / Cold 三种启动模式已经落地（崩溃恢复被工程化）

✅ 我看到了什么（关键片段）

✅ 这证明了什么

3) P07/P08 链路旁证：Policy Gate 的写入闭环仍然完整（没有被 P10 破坏）

✅ 这证明了什么

继续

① 先给出“事实差异”：8 次出生，4 次闭合

② 再把“不闭合 run”精确点名：哪些 run 没有 shutdown

③ 最后一锤：Recover 不只是存在，而是“指向具体死亡的 run”

接下来，为了“证明 ID 口径无漂移”，我还差最后两条 terminal 证据

A) system_id 在所有 boot 中恒定（系统身份稳定）

B) process_id 每次 boot 都不同（进程实例唯一）

A) `system_id` remains constant across all boots (stable system identity)

B) `process_id` is unique per boot (no reuse of process instances)

④ Proof: `system_id` is long-term stable (no identity drift)

⑤ Proof: `process_id` is unique per start (no reuse, no mixing)

✅ `system_id`: stable

✅ `process_id`: unique

✅ `run_id`: life axis

1) In the Observability layer, there is no missing or compromised `run_id`

A) `system_id` 在所有 boot 中恒定（系统身份稳定）

B) `process_id` 每次 boot 都不同（进程实例唯一）

④ 证明：`system_id` 长期稳定（系统身份不漂移）

⑤ 证明：`process_id` 每次启动唯一（进程实例不重用、不混用）

✅ `system_id`：稳定（8 次 boot 只出现 1 个）

✅ `process_id`：唯一（8 次 boot 出现 8 个，各自计数为 1）

✅ `run_id`：生命轴（boot 列表与 shutdown 列表可对比；未闭合可枚举；recover 指向未闭合）

一、Observability 层不存在任何 `run_id` 缺失或妥协

好，我点一下我的标题：底层结构稳如狗