user-engine/.claude/rules/session-protocol.md
tegwick c431915d56
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Hygiene: SCOPE stance sentence, stack/architecture stubs, first-session archive
Record the published fail-closed PEP stance in SCOPE, fill the agent
stack and architecture stubs from the shipped layout, and retire the
first-session protocol now that USER-WP-0001–0024 exist.

Assistant: grok
Assistant-Session: 01a04cea-f0d6-7ab3-9ffd-881eb6bea6cb
2026-08-29 14:37:38 +02:00

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## Session Protocol
Dev Hub (State Hub API): http://127.0.0.1:8000
MCP server name in `~/.claude.json`: `dev-hub`
**Step 1 — Orient**
Read the offline-safe brief first — it works without a live hub connection:
```bash
cat .custodian-brief.md
```
Then call the MCP tool for richer cross-domain context when MCP tools are exposed:
```
get_domain_summary("communication")
```
If MCP tools are unavailable in the current agent session, use the REST API:
```bash
curl -s "http://127.0.0.1:8000/state/summary" | python3 -m json.tool
```
If the hub is offline: `cd ~/state-hub && make api`
**Step 2 — Check inbox**
With MCP tools:
```
get_messages(to_agent="user-engine", unread_only=True)
```
Mark read with `mark_message_read(message_id)`. Reply or act on coordination
requests before proceeding.
Without MCP tools:
```bash
curl -s "http://127.0.0.1:8000/messages/?to_agent=user-engine&unread_only=true" \
| python3 -m json.tool
curl -s -X PATCH "http://127.0.0.1:8000/messages/<id>/read" \
-H "Content-Type: application/json" -d '{}'
```
**Step 3 — Scan workplans**
```bash
ls workplans/
```
For each file with `status: ready`, `active`, or `blocked`, note pending
`wait`/`todo`/`progress` tasks.
**Step 4 — Present brief**
1. **Active workplans** for `communication` — title, task counts, blocking decisions
2. **Pending tasks** from `workplans/` + any `[repo:user-engine]` hub tasks
3. **Goal guidance** — if `goal_guidance` in summary:
- `needs_workplan`: surface as top action — *"Repo goal '{title}' has no workplan yet"*
- `alignment_warnings`: flag if active work is not aligned with current goal
4. **Suggested next action** — highest-priority open item
5. **SBOM status** — flag if `last_sbom_at` is unset for this repo
Work is already structured (USER-WP-00010024). The first-session
protocol is archived at `.claude/rules/archived/first-session.md`.
**During work:** `record_decision()` · `add_progress_event()` · `resolve_decision()`
> State Hub is a *read model*. **Never register workplans or tasks by hand**
> (`create_workplan`, `create_task`) — write the workplan file in `workplans/`
> and run `fix-consistency`; C-06 registers the workplan and tasks and writes
> IDs back into the file. Manual registration creates duplicates when
> fix-consistency runs. Work structure belongs in repo files (ADR-001).
>
> Legacy: `create_workstream` and `/workstreams/` remain as metered aliases —
> see `workplan-convention.md` (compatibility footnote).
**Session close:**
With MCP tools:
```
add_progress_event(summary="...", topic_id="a6c6e745-bf54-4465-9340-1534a2be493e", workplan_id="<uuid>")
```
Without MCP tools:
```bash
curl -s -X POST http://127.0.0.1:8000/progress/ \
-H "Content-Type: application/json" \
-d '{"topic_id":"a6c6e745-bf54-4465-9340-1534a2be493e","workplan_id":"<uuid>","event_type":"note","summary":"what changed","author":"codex"}'
```
If workplan files were modified, ensure the local copy is up to date first,
then sync from the repo checkout:
```bash
git pull --ff-only
statehub fix-consistency
```
For repos where implementation runs on a remote machine (e.g. CoulombCore),
use the pull-before-fix mode from any shell with the State Hub CLI:
```bash
statehub fix-consistency --repo user-engine --remote
```
**C-15** (DB task ahead of file) is normal in multi-machine workflows — writeback
will sync the file to match DB. **C-16** (repo behind remote) blocks all writes
until you pull — intentional to prevent clobbering remote progress.