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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 (F1–F9 + 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 29–31
+   / F9's 26–28; 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)
+```
@@ -1,29 +0,0 @@
-# Session 0029.0 — Transcript
-
-> App: vscode-cowriting-plugin
-> Start: 2026-06-11T21-32 (PST)
-> Type: brainstorming
-> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
->
-> This file reserves session ID 0029 for vscode-cowriting-plugin. The driver replaces this
-> body with the full transcript and renames the file to its final
-> SESSION-0029.0-TRANSCRIPT-2026-06-11T21-32--<end>.md form at session end.
-
-## Launch prompt
-
-```
-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.
-
-```
-
-## 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._