add sessions/0052/SESSION-0052.0-TRANSCRIPT-2026-06-15T08-33--2026-06-15T08-41.md + replace placeholder/variant SESSION-0052.0-TRANSCRIPT-2026-06-15T08-33--INPROGRESS.md

sessions/0052/SESSION-0052.0-TRANSCRIPT-2026-06-15T08-33--2026-06-15T08-41.md

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+# Session 0052.0 — Transcript
+
+> App: vscode-cowriting-plugin
+> Start: 2026-06-15T08-33 (PST)
+> End: 2026-06-15T08-41 (PST)
+> Type: capture
+> Posture: autonomous (yolo)
+> Status: **FINALIZED**
+
+## Launch prompt
+
+`/wgl-capture` — two asks (second arrived mid-session):
+1. "the review window and markdown source file should have scroll location sync'd"
+2. "the claude change recommendation block (which user will accept or decline)
+   should show the diff with the original"
+
+## Pre-state
+
+- Branch `main`, clean, pushed. Follows capture sessions 0050 (#57) and 0051
+  (no-actionable).
+- Tracker `benstull/vscode-cowriting-plugin` (host `git.benstull.org`).
+
+## Arc
+
+**Ask 1 — scroll-sync (duplicate, nothing filed):**
+1. Claimed tracked-lite session ID **0052**.
+2. Recognized scroll-sync as a known F10 follow-up; fetched **#32** — exact match
+   (*"Scroll-sync the review preview with the source editor"*, open,
+   `type/feature`, `priority/P3`, filed session 0031).
+3. Surfaced to operator; operator chose to **leave #32 at P3**. No new issue
+   (INV-4 duplicate).
+
+**Ask 2 — proposal block diff vs original (filed #58):**
+4. Grounded in code (Explore): the pending proposal block renders original +
+   proposed as **two separate full blocks** (`<del>` whole-before + `<ins>`
+   whole-after, `trackChangesModel.ts:715-716`) with **no word-level diff** — the
+   changed-block rendering already uses `wordMergedMarkdown`/`diffWords`
+   (`trackChangesModel.ts:431-438`) but `proposalBlockHtml()` doesn't.
+   `ProposalView` already carries `replaced`+`replacement`
+   (`proposalController.ts:81-95`).
+5. Sized `type/story`, P2 (reuses existing word-diff helper; distinct from #31
+   placement / #47 granularity). Drafted
+   `issues/proposal-block-shows-diff-with-original.md` (working tree only, secrets
+   scanned).
+6. Operator approved as-is → ensured labels → filed **#58**
+   (https://git.benstull.org/benstull/vscode-cowriting-plugin/issues/58).
+
+## Cut state
+
+- **#58** filed (story, P2). Scroll-sync left as existing **#32** (P3) — nothing
+  new filed for it.
+- Draft `issues/proposal-block-shows-diff-with-original.md` left uncommitted in
+  the content repo for the Author to publish (INV-8).
+- Session repo `vscode-cowriting-plugin`: clean `main`, no commits this session.
+
+## Deferred decisions
+
+_None — operator directly resolved the duplicate and approved the #58 framing._
+
+## Operator plate
+
+- One issue filed: **#58** (proposal block word-diff, P2).
+- Scroll-sync remains **#32** (P3, open, unchanged).
+- One uncommitted capture draft added to the content repo (joins the prior
+  drafts) — yours to publish or discard.
+
+## Next session prompt
+
+`/goal` — operator to direct. Standing candidate (from 0050): brainstorm a
+Solution Design for **#57** (review-pane behavior on document switch). Open work:
+#58 (proposal word-diff, P2, story), #32 (scroll-sync, P3), OQ-2 (F11
+graduation), #35 (repo rename), #40 (undo provenance, P3, branch
+`s40-undo-provenance` unmerged), #54 (undo E2E infra).

sessions/0052/SESSION-0052.0-TRANSCRIPT-2026-06-15T08-33--INPROGRESS.md

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-# Session 0052.0 — Transcript
-
-> App: vscode-cowriting-plugin
-> Start: 2026-06-15T08-33 (PST)
-> Type: capture
-> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
->
-> This file reserves session ID 0052 for vscode-cowriting-plugin. The driver replaces this
-> body with the full transcript and renames the file to its final
-> SESSION-0052.0-TRANSCRIPT-2026-06-15T08-33--<end>.md form at session end.
-
-## Launch prompt
-
-_(launch prompt not captured at claim time)_
-
-## 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._