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2026-06-10 22:34:08 -07:00
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# Session 0014.0 — Transcript
> App: vscode-cowriting-plugin
> Start: 2026-06-10T22-27 (PST) · End: 2026-06-10T22-34 (PST)
> Type: brainstorming
> Goal: spec Feature #14 (F5 — cross-rung format + Gitea round-trip) — leg 2
> of the `/goal F5` arc (session 0013 captured #14).
> Outcome: **Solution Design graduated** — content
> `specs/coauthoring-cross-rung-format.md` (`8a6409c`); all six design forks
> resolved; new invariants INV-14..17.
## Launch prompt
```
Brainstorm the Solution Design spec for Feature #14 (F5 — cross-rung git-native persistence format + Gitea round-trip) on benstull/vscode-cowriting-plugin, resolving the six design forks routed there by the capture (substrate carrier; contract form/home; cross-rung identity; merge semantics; round-trip proof shape; versioning), then graduate it to vscode-cowriting-plugin-content/specs/. (Leg 2 of the /goal F5 arc; session 0013 captured #14.)
```
## Plan
1. Orient: anchor Feature #14 (non-epic — R1 passes); inputs = the shipped
sidecar model (model.ts read in full this conversation), all three
graduated specs (esp. F2's substrate decision table), rfc-app#46 (fetched
session 0013), the engineering central-schema pattern. No BDD corpus
registered for this app.
2. Resolve the six forks: (a) substrate carrier, (b) contract form/home,
(c) cross-rung identity, (d) merge semantics, (e) round-trip proof shape,
(f) versioning — grounded in the shipped format facts.
3. Write the Solution Design locally; graduate at finalize via the
brainstorming addendum (autonomous → `--status graduated`).
## Turn-by-turn arc
1. **Init.** Claimed 0014 (`--type brainstorming`); clean pushed `main`;
anchor #14 is `type/feature` → R1 passes. No BDD corpus for this app.
2. **Context.** Already deep from this conversation: full `model.ts` (incl.
the discovery that `serializeArtifact` drops unknown fields — the
forward-compat gap that became INV-15), F2's substrate decision table,
rfc-app#46's body (session 0013), all three OPEN→F5 entries, the
engineering central-schema discipline.
3. **Forks resolved** (alternatives in spec §6.7): (a) sidecar stays the
canonical carrier — notes/trailers get worse cross-rung, forges read JSON
natively; (b) prose contract in the content repo + JSON Schema
code-resident in the plugin repo (ajv dev-only); (c) identity = git's
model — `email` on Provenance + `agent.onBehalfOf` (rfc-app#46 §6.5);
(d) merge = pure 2-way `mergeArtifacts` union-by-id, conflicts surfaced
(INV-17); (e) proof = local stand-in writer script + external-change E2E +
byte-stability (no real forge in CI); (f) all additive — `schemaVersion`
stays 1, INV-16 rules incl. writer unknown-field preservation (INV-15).
4. **Spec written** locally
(`docs/superpowers/specs/2026-06-10-f5-cross-rung-format-design.md`);
new invariants INV-14..17; 5 slices; host E2E first-class; no manual
smoke (no LLM leg); Claude-Code-not-Claude-Design recorded in §5.
5. **Self-review** passed.
## Deferred decisions
_Autonomous-mode low-confidence calls the driver made and would have
liked operator input on. Appended as the session runs; surfaced at
finalize. Empty if none._
- **Skipped interactive design review** (same call as session 0011): spec
graduates without operator review under autonomous posture + the standing
`/goal`; §6.7/§9 log every fork with alternatives for post-hoc
re-litigation.
- **Schema home = plugin repo, not engineering central:** chose code-resident
(next to the reference implementation, consumed by the unit suite) over the
org-central `schemas/` discipline, with graduation to central explicitly
parked at §9 OPEN→Gitea-rung. Defensible either way — flagging it.
- **Emails committed to the repo as identity:** ratified git's own model
(commits already carry emails) rather than inventing forge-neutral ids;
noted as PII-class in §6.6. Operator may prefer an opt-out config later.
## Cut state (end of session)
| Item | State |
| --- | --- |
| Spec `coauthoring-cross-rung-format.md` | **Graduated** in content repo at `8a6409c` |
| Plugin repo `main` | Clean, pushed (no code changes this session) |
| Feature #14 | Open, now spec-backed — eligible R2 anchor for planning-and-executing |
| Content repo working tree | Three uncommitted issue drafts (Author's plate, unchanged) |
| Memory | `f5-cross-rung-spec-graduated` written; carries the current Next /goal |
## What lands on the operator's plate
- Review the graduated spec at
`vscode-cowriting-plugin-content/specs/coauthoring-cross-rung-format.md`
graduated without interactive review (autonomous posture); §6.7 + §9 hold
every fork's alternatives. The three flagged calls above (review skip;
schema home; emails-as-identity) are the ones most worth a look.
- Three uncommitted content-repo issue drafts remain yours to publish or
discard.
## Prompt the operator can paste into the next session
```
/goal Implement Feature #14 (F5 cross-rung format + round-trip) per the graduated spec vscode-cowriting-plugin-content/specs/coauthoring-cross-rung-format.md — plan just-in-time from its §7.2 slices, then execute; done = contract + schema published, unit + host E2E green (round-trip, merge, fail-safe, unknown-field preservation all exercised).
```
@@ -1,23 +0,0 @@
# Session 0014.0 — Transcript
> App: vscode-cowriting-plugin
> Start: 2026-06-10T22-27 (PST)
> Type: brainstorming
> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
>
> This file reserves session ID 0014 for vscode-cowriting-plugin. The driver replaces this
> body with the full transcript and renames the file to its final
> SESSION-0014.0-TRANSCRIPT-2026-06-10T22-27--<end>.md form at session end.
## Launch prompt
```
Brainstorm the Solution Design spec for Feature #14 (F5 — cross-rung git-native persistence format + Gitea round-trip) on benstull/vscode-cowriting-plugin, resolving the six design forks routed there by the capture (substrate carrier; contract form/home; cross-rung identity; merge semantics; round-trip proof shape; versioning), then graduate it to vscode-cowriting-plugin-content/specs/. (Leg 2 of the /goal F5 arc; session 0013 captured #14.)
```
## Deferred decisions
_Autonomous-mode low-confidence calls the driver made and would have
liked operator input on. Appended as the session runs; surfaced at
finalize. Empty if none._