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vscode-cowriting-plugin/sessions/0011/SESSION-0011.0-TRANSCRIPT-2026-06-10T21-41--2026-06-10T21-52.md

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# Session 0011.0 — Transcript
> App: vscode-cowriting-plugin
> Start: 2026-06-10T21-41 (PST) · End: 2026-06-10T21-52 (PST)
> Type: brainstorming
> Goal: spec Feature #12 (F4 — propose/accept) — leg 2 of the `/goal F4` arc
> (session 0010 captured #12; this session designs it).
> Outcome: **Solution Design graduated** — content
> `specs/coauthoring-propose-accept.md` (`c55a681`); all five design forks
> resolved.
## Launch prompt
```
Brainstorm the Solution Design spec for Feature #12 (F4 — propose/accept diff flow: inline diff + keep/reject on the applyAgentEdit seam) on benstull/vscode-cowriting-plugin, resolving the five design forks routed there by the capture (proposals[] shape; rendering primitive; propose-by-default vs. direct mode; multi-range seam growth; accept/reject granularity), then graduate it to vscode-cowriting-plugin-content/specs/. (Continuation of /goal F4, session 0010 capture → this spec session.)
```
## Plan
1. Orient: anchor Feature #12 (non-epic — R1 gate passes); inputs = the F3/F2
graduated specs (`coauthoring-attribution.md`, `coauthoring-inner-loop.md`),
the shipped F3 code (seam, store, anchorer, decorations), Epic #1, the F2/F3
spec precedents as templates. No BDD corpus registered for this app.
2. Explore the five design forks routed by #12, grounded in the actual F3 code.
3. Write the Solution Design (local draft; Mermaid; host-E2E tasks first-class;
Claude Design vs Claude Code recorded).
4. Finalize via wgl-session-finalize (brainstorming addendum): artifact guard →
submit-spec.sh → content `specs/` (autonomous → `--status graduated`).
## Pre-session state
Clean pushed `main` (`f21a6fd` after this session's claim). Feature #12 freshly
filed by session 0010 (same conversation). F3 shipped (#6, PR #7) with the
`applyAgentEdit` seam as the single machine-edit ingress and `proposals:
unknown[]` reserved in the sidecar at `SCHEMA_VERSION` 1.
## Turn-by-turn arc
1. **Init.** Claimed 0011 (`--type brainstorming`); clean pushed `main`
baseline; anchor #12 is `type/feature` → R1 gate passes.
2. **Context.** Explore-agent map of the shipped F3 machinery (model.ts
`proposals: unknown[]` reserved at SCHEMA_VERSION 1; `applyAgentEdit`
signature/behavior incl. version guard + diff-minimize + pending-edit
consume; store prune TODO at store.ts:65; Anchorer ladder; decorations +
Comments API patterns; liveTurn flow with the exact proposal insertion
point between turn completion and seam call; E2E ingress patterns). Read
the F3 spec end-to-end as the structural template.
3. **Forks resolved** (full alternatives in spec §6.7): (a) `proposals[]`
pending-only on shared anchors/Provenance; (b) rendering = second Comments
controller (fenced-diff thread + ✓/✗ actions) + amber range decoration;
(c) propose-by-default wholesale, no user-facing direct mode, seam
unchanged as accept path; (d) seam stays single-range — N proposals per
turnId; (e) whole-proposal granularity, hunk-splitting additive later.
Bonus: staleness guard = the existing fingerprint exact-text resolve at
decision time (INV-11); persistence at propose time (paid-turn loss
argument).
4. **Spec written** locally
(`docs/superpowers/specs/2026-06-10-f4-propose-accept-design.md`). New
invariants INV-10..13; 5 slices; host E2E first-class;
Claude-Code-not-Claude-Design recorded in §5 (native surfaces only).
5. **Self-review** passed (no placeholders; husk/stale semantics consistent;
F3 E2E untouched by the propose-by-default flip).
6. **Finalize.** Artifact guard satisfied; submitted graduated as content
`specs/coauthoring-propose-accept.md` (`c55a681`); local draft removed (F3
precedent: content copy is canonical, no local spec in the plugin repo);
local content clone fast-forwarded; memory updated
(`f4-propose-accept-spec-graduated` + index; stale Next /goal in the F3
memory redirected).
## Deferred decisions
- **Skipped interactive section-by-section design review** (superpowers
brainstorming gates) under autonomous posture + the standing `/goal F4`
directive; the spec graduated without operator review per the autonomous
default (`submit-spec.sh --status graduated`). The operator can downgrade /
amend post-hoc; all five fork resolutions are logged with alternatives in
§6.7.
- **No user-facing direct-apply mode retained** (fork c) — chose the wholesale
propose-by-default flip on YAGNI grounds; if review friction shows up in
practice, a `cowriting.machineEdits` setting is a small follow-up.
- **Proposal counter-edits** (human amends proposed text before accepting)
deferred to OPEN→later — today's answer is reject + re-instruct; flagged in
spec §9 rather than designed now.
## Cut state (end of session)
| Item | State |
| --- | --- |
| Spec `coauthoring-propose-accept.md` | **Graduated** in content repo at `c55a681` |
| Plugin repo `main` | Clean, pushed (no code changes this session) |
| Content repo working tree | Two pre-existing uncommitted issue drafts (`f3-live-attribution.md`, `f4-propose-accept.md`) — Author's plate, unchanged |
| Feature #12 | Open, now spec-backed — eligible R2 anchor for planning-and-executing |
| Memory | `f4-propose-accept-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-propose-accept.md` — it
graduated without interactive review (autonomous posture); §6.7 + §9 hold
every fork resolution and alternative if anything warrants re-litigating.
- The two uncommitted content-repo issue drafts remain yours to publish or
discard.
## Prompt the operator can paste into the next session
```
/goal Implement Feature #12 (F4 propose/accept) per the graduated spec vscode-cowriting-plugin-content/specs/coauthoring-propose-accept.md — plan just-in-time from its §7.2 slices, then execute; done = unit + host E2E green and the live smoke shows propose → accept → Claude-attributed.
```