feat(RMGR-WP-0002): dual-run writeback, flags, meter, SH facade

Add dual-run flags/meter, harden task-status (idempotency, UUID, head,
push), State Hub adapter for PATCH /tasks and C-15/reconcile proxy, pilot
evidence, and finish RMGR-WP-0002.
This commit is contained in:
tegwick 2026-08-09 23:19:56 +02:00
parent bb1d030257
commit 310b43079d
14 changed files with 679 additions and 50 deletions

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docs/dual-run.md Normal file
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# Dual-run flags (RMGR-WP-0002)
State Hub remains the MCP/REST entrypoint. When flags are on, **checkout
mutation** is executed by Repo Manager.
## Environment variables
| Variable | Meaning |
| --- | --- |
| `RM_WRITEBACK=1` | Task file writeback via `rmgr update-task-status` |
| `RM_RECONCILE=1` | `fix-consistency` also runs `rmgr reconcile` for pilots |
| `RM_PILOT_REPOS=repo-manager` | Comma-separated slugs; **unset** = all repos when flags on |
| `RM_METER_PATH` | JSONL meter path (default `~/.repo-manager/mutation-meter.jsonl`) |
| `REPO_MANAGER_SRC` | Optional path to `repo-manager/src` for SH adapter |
| `RMGR_BIN` | Optional override command prefix for `rmgr` |
## Rollback
```bash
unset RM_WRITEBACK RM_RECONCILE RM_PILOT_REPOS
# or
export RM_WRITEBACK=0 RM_RECONCILE=0
```
State Hub immediately uses native C-15 writeback again.
## Pilot (repo-manager)
```bash
export RM_WRITEBACK=1
export RM_RECONCILE=1
export RM_PILOT_REPOS=repo-manager
export REPO_MANAGER_SRC=$HOME/repo-manager/src
# From API host environment, PATCH a task or:
cd ~/repo-manager
rmgr update-task-status --path . --task-id <canonical-or-uuid> --status progress
cd ~/repo-manager && statehub fix-consistency
rmgr dual-run-status
```
## Meter
```bash
rmgr dual-run-status
# or
wc -l ~/.repo-manager/mutation-meter.jsonl
grep repo-manager ~/.repo-manager/mutation-meter.jsonl | tail
```

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{
"sh-dual-aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa-done-d61b0719-b3fd-4d4d-8179-48f030c33786": {
"payload_hash": "1f2ca8802007e55c670745c596bbf92846e673d46d975ef2d1caf18b275240b8",
"result": {
"command": "repo.work.update_task_status",
"status": "applied",
"correlation_id": "d61b0719-b3fd-4d4d-8179-48f030c33786",
"evidence": {
"status": "applied",
"git_sha": "3a6366f837d01ddf8e10fe046547a4a0ccc85372",
"files_touched": [
"workplans/RMGR-WP-0002-pilot.md"
],
"observed_at": "2026-08-09T21:18:31.232949+00:00",
"index_path": "/tmp/rmgr-pilot-1960028/.repo-manager/index.json",
"source": "repo-manager"
}
}
}
}

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{"ts": "2026-08-09T21:18:30.362077+00:00", "source": "repo-manager", "kind": "task_status_writeback", "repo_slug": "repo-manager", "detail": {"task_id": "RMGR-WP-0002-T01", "status": "progress", "git_sha": "0e9d6163318c8d69eeb132facab6570f3a135302", "correlation_id": "a9bcd3bc-24db-493f-8ee1-afce9e5dbe38"}}
{"ts": "2026-08-09T21:18:31.234835+00:00", "source": "repo-manager", "kind": "task_status_writeback", "repo_slug": "repo-manager", "detail": {"task_id": "RMGR-WP-0002-T01", "status": "done", "git_sha": "3a6366f837d01ddf8e10fe046547a4a0ccc85372", "correlation_id": "d61b0719-b3fd-4d4d-8179-48f030c33786"}}

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# RMGR-WP-0002 completion evidence
**Date:** 2026-08-09
**Stage:** ArchitectureBlueprint Stage B (dual-run)
## Delivered
| Task | Result |
| --- | --- |
| T01 flags + meter | `src/repo_manager/dual_run.py`, `docs/dual-run.md` |
| T02 hardened command | idempotency, expected_head_sha, UUID match, optional push |
| T03 SH facade | `state-hub/api/services/repo_manager_dual_run.py` + PATCH `/tasks` hook |
| T04 reconcile proxy | `fix_repo` calls `rmgr reconcile` when `RM_RECONCILE` + pilot |
| T05 pilot | Fixture + SH facade call → `applied` + git_sha; meter lines |
| T06 package | this file + `wp0002-pilot.json` + `mutation-meter-pilot.jsonl` |
## Operator enable (pilot)
```bash
export RM_WRITEBACK=1
export RM_RECONCILE=1
export RM_PILOT_REPOS=repo-manager
# ensure SH can import/run rmgr:
export REPO_MANAGER_SRC=$HOME/repo-manager/src # optional; adapter defaults to ~/repo-manager/src
```
Restart State Hub API process so env is picked up for PATCH dual-run.
## Rollback
```bash
unset RM_WRITEBACK RM_RECONCILE RM_PILOT_REPOS
# restart SH API
```
## Tests
```bash
cd ~/repo-manager && pytest -q # includes test_dual_run.py
```
## STATE-WP-0079 handoff
Expand `RM_PILOT_REPOS` fleet-wide after meter shows RM writebacks healthy.
Meter path: `~/.repo-manager/mutation-meter.jsonl` (or `RM_METER_PATH`).
Strangler exit: zero `source=state-hub` checkout mutations for pilot set under load.

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{
"workplan": "RMGR-WP-0002",
"pilot_slug": "repo-manager",
"flags": {
"RM_WRITEBACK": "1",
"RM_RECONCILE": "1",
"RM_PILOT_REPOS": "repo-manager"
},
"fixture_path": "/tmp/rmgr-pilot-1960028",
"before_sha": "3a856de",
"after_cli_sha": "0e9d616",
"rollback": "unset RM_WRITEBACK RM_RECONCILE RM_PILOT_REPOS",
"meter_path": "/home/worsch/repo-manager/docs/evidence/mutation-meter-pilot.jsonl",
"meter_lines": [
{
"ts": "2026-08-09T21:18:30.362077+00:00",
"source": "repo-manager",
"kind": "task_status_writeback",
"repo_slug": "repo-manager",
"detail": {
"task_id": "RMGR-WP-0002-T01",
"status": "progress",
"git_sha": "0e9d6163318c8d69eeb132facab6570f3a135302",
"correlation_id": "a9bcd3bc-24db-493f-8ee1-afce9e5dbe38"
}
},
{
"ts": "2026-08-09T21:18:31.234835+00:00",
"source": "repo-manager",
"kind": "task_status_writeback",
"repo_slug": "repo-manager",
"detail": {
"task_id": "RMGR-WP-0002-T01",
"status": "done",
"git_sha": "3a6366f837d01ddf8e10fe046547a4a0ccc85372",
"correlation_id": "d61b0719-b3fd-4d4d-8179-48f030c33786"
}
}
]
}