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# Session 0029.0 — Transcript
> App: vscode-cowriting-plugin
> Start: 2026-06-11T21-32 (PST)
> End: 2026-06-11T21-53 (PST)
> Type: brainstorming
> Poster: Ben Stull (with Claude)
> Posture: autonomous (yolo)
> Status: **FINALIZED**
## Launch prompt
```
/goal next → (resolved from memory) Brainstorm + write the Solution Design for
Feature #29 — interactive track-changes review in the markdown preview: clean
zero-annotation editor (left) + the rendered markdown preview (right) as the single
review surface; annotations on/off toggle; changes-since-baseline painted
green=human / blue=LLM / strikethrough=deleted; ✓/✗ accept-reject of the LLM's
changes ONLY, driven from inside the preview webview. Markdown-only product (F6
deprecated as a view; rename deferred). Mostly assembly of F3/F4/F6/F7/F9 + 3 new
pieces. Per issue #29.
```
## Pre-state
- Epic #1 shipped (F1F9 + F7.1). Last work: F7.1 intra-diagram mermaid diff (#22,
session 0027), then F9 authorship preview (#27, session 0026).
- #29 (F10) had been **captured** as a `type/feature` (P1) in session 0028, with a
rich issue body + a draft in the content repo (`issues/interactive-markdown-review-preview.md`).
- A brainstorming placeholder **0029** had already been claimed at 21:32 (just
before a `/clear`), then the conversation was cleared and reopened with
`/goal next`. Clean `main`, 0 ahead/0 behind origin.
## Session arc (turn-by-turn)
1. **Route.** `/goal next` resolved the memory `Next /goal:` → "brainstorm/spec
#29". A Feature needs a Solution Design first (R3) → **brainstorming** session.
Invoked `wgl-brainstorming`.
2. **Adopt, don't duplicate.** The claim dry-run surfaced an in-flight 0029
placeholder (`Type: brainstorming`, same task, claimed 4 min earlier — the
orphan from the pre-`/clear` attempt). Decision: **adopt 0029** rather than
claim a redundant 0030. Verified clean baseline; CLAUDE.md import present;
resolved app (content repo present, no BDD corpus).
3. **Orient.** Read issue #29's content-repo draft, the F7 rendered-preview spec
(`coauthoring-rendered-preview.md`, incl. §11 F7.1), the F9 authorship spec
(`2026-06-11-authorship-preview-design.md`), and dispatched an Explore agent
that mapped every code seam (F3 decorations + `spansFor`; F7
`renderTrackChanges`/`renderAuthorship`/`renderOp`; F4 `accept`/`reject`
`applyAgentEdit`; F6 baseline + `onDidChangeBaseline`; webview
`postMessage`/`setMode`; commands/keybindings; tests).
4. **Found the crux.** F9 had *explicitly rejected* combining authorship with the
diff (INV-26: "two modes, never combined"); #29 *reverses* that. And the issue
is internally inconsistent: F4 ships **propose-by-default** (LLM edits stay
pending, not in the buffer), yet the issue says blue = "changes since the
baseline" and "✗ reverts the document" — wording that imagines LLM text already
in the buffer.
5. **Resolved the forks with the operator** (`superpowers:brainstorming` process):
- **Linchpin** — *where do the LLM's ✓/✗ changes come from?* → **Proposals
surface in the preview** (keep propose-by-default; ✓ = F4 accept + baseline
advance, ✗ = F4 reject). [vs. apply-then-review / both-axes.]
- **Clean-editor scope** → **fully clean** (strip F3 attribution *and* F4
proposal threads; proposals become preview-only).
- **F6 disposition** → **hide** command + keybinding (`when:false`); keep
controller + baseline data layer.
6. **Two follow-ons decided autonomously** (logged): status-bar indicator (not
forced auto-open) for proposal-while-no-preview; remove F9's dead
`renderAuthorship`/segmented control (salvage the PUA-sentinel coloring into a
shared `colorByAuthor`); neutral strikethrough for deletions.
7. **Presented the design**, then (autonomous) wrote the Solution Design:
`specs/coauthoring-interactive-review.md` (v0.1.0) — architecture (one pure
`renderReview` overlaying diff + author sentinels + proposal blocks; interactive
sealed webview posting intent to the F4 seam), INV-32/33/34, 4 slices, host-E2E
tier. Self-reviewed (no placeholders; INV numbering continues from F7.1's 2931
/ F9's 2628; issue-wording reconciliation stated explicitly).
8. **Finalized** (this skill): submitted the spec graduated to the content repo;
updated memory; published this transcript.
## Cut state
- **Deliverable:** `specs/coauthoring-interactive-review.md` (F10, v0.1.0) →
submitted **graduated** to `vscode-cowriting-plugin-content/specs/` (commit
`118bc29`).
- **Code:** none (brainstorming session — no implementation).
- **Memory:** new `f10-interactive-review-spec-graduated.md` + index + `Next /goal:`.
- Working tree: clean `main` apart from this transcript and the untracked `specs/`
scratch (the submitted spec + the pre-existing stray F8 spec).
## Deferred decisions
_Autonomous-mode low-confidence calls the driver made and would have
liked operator input on._
- **Proposal-while-no-preview affordance → status-bar indicator** (clickable to
open), rather than forcing the preview to auto-open. Respects "write left, review
right"; cheap to flip to auto-open. (Spec §6.7, §9.)
- **F9's now-dead `renderAuthorship` + segmented control → removed** (not left
dormant), salvaging the PUA-sentinel author-coloring into a shared
`colorByAuthor` helper `renderReview` reuses. (Spec §6.2, §9.)
- **Deletions → neutral strikethrough** (not author-colored), per the issue's
"strikethrough = deleted". (Spec §6.7.)
## Operator plate (loose ends to be aware of)
- **Session 0024 unfinalized** — still open from F8 work; not touched here.
- **Stray `specs/coauthoring-out-of-workspace.md`** (already-graduated F8 spec)
sits untracked in the CODE repo; left untouched (submit-spec took only the F10
file). A deliberate cleanup PR can remove it.
## Next-session prompt
```
/goal plan-and-execute #29 (F10 interactive review) per vscode-cowriting-plugin-content/specs/coauthoring-interactive-review.md — write the implementation plan from §7 (SLICE-1 clean editor → SLICE-2 renderReview engine → SLICE-3 interactive controller+webview → SLICE-4 tests/docs) and execute; host-E2E tier, no deploy pipeline (extension, no flotilla)
```