add sessions/0050/SESSION-0050.0-TRANSCRIPT-2026-06-13T17-43--2026-06-13T17-52.md + replace placeholder/variant SESSION-0050.0-TRANSCRIPT-2026-06-13T17-43--INPROGRESS.md

sessions/0050/SESSION-0050.0-TRANSCRIPT-2026-06-13T17-43--2026-06-13T17-52.md

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+# Session 0050.0 — Transcript
+
+> App: vscode-cowriting-plugin
+> Start: 2026-06-13T17-43 (PST)
+> End: 2026-06-13T17-52 (PST)
+> Type: capture
+> Posture: autonomous (yolo)
+> Status: **FINALIZED**
+
+## Launch prompt
+
+`/wgl-capture` — "When changing documents, we should decide what happens to the
+review pane of the current document, and if the document switched to should get a
+review experience or not"
+
+## Pre-state
+
+- Branch `main`, clean, pushed (origin/main). No in-flight sessions for the app.
+- Tracker `benstull/vscode-cowriting-plugin` (host `git.benstull.org`); content
+  repo `vscode-cowriting-plugin-content` cloned, with ~18 prior uncommitted
+  capture drafts in `issues/`.
+- Prior frontier exhausted (session 0047 note): remaining backlog items gated;
+  operator directing. This is a capture session, not a build.
+
+## Arc
+
+1. **Claimed** tracked-lite session ID **0050** (`claim-session-id.sh --type
+   capture`). Resolved app + content repo (`resolve-app.py`).
+2. **Grounded** the ask by reading the code (Explore subagent over
+   `src/trackChangesPreview.ts`, `diffViewController.ts`, `proposalController.ts`):
+   confirmed the review pane is one-panel-per-doc keyed by URI
+   (`trackChangesPreview.ts:45`) with **no** `onDidChangeActiveTextEditor`
+   listener — so on document switch the pane **stays pinned** to its original doc
+   (incidental, not designed) and the switched-to doc gets no review until
+   `showTrackChangesPreview` is re-invoked. Per-doc review state (F6 baseline / F4
+   proposals / F3 attribution) auto-creates on demand.
+3. **Sized** the single ask: genuine forks (follow / pin / close; auto-review /
+   on-demand) + needs design before build → `type/feature` (R3), `priority/P2`.
+   Captures the decision-to-be-made; option space goes in Solution notes,
+   non-binding.
+4. **Drafted** `issues/review-pane-on-document-switch.md` in the content repo
+   (working tree only, INV-8), full §5 template. Scanned clean for secrets
+   (INV-3).
+5. **Operator approved** filing as-is (feature, P2) via AskUserQuestion.
+6. **Filed** → ensured labels (all pre-existing), then `capture-issues.sh` →
+   **#57** (https://git.benstull.org/benstull/vscode-cowriting-plugin/issues/57).
+
+## Cut state
+
+- Session repo `vscode-cowriting-plugin`: clean `main`, nothing committed this
+  session (capture touches only the content repo working tree). No PRs.
+- Content repo: new draft `issues/review-pane-on-document-switch.md` left
+  uncommitted for the Author to publish/discard (INV-8), alongside the prior
+  drafts already there. Not pushed by this skill.
+- Issue **#57** filed and open on the tracker.
+
+## Deferred decisions
+
+_None — single clear ask, operator approved the framing and type before filing._
+
+## Operator plate
+
+- One feature filed: **#57** (review-pane behavior on document switch, P2).
+- ~19 capture drafts now sit uncommitted in `vscode-cowriting-plugin-content` —
+  yours to commit/publish (or discard) when convenient.
+- #57 needs a design before build (R3). No active plan frontier; operator to
+  direct next.
+
+## Next session prompt
+
+`/goal` — operator to direct. Candidate: brainstorm a Solution Design for **#57**
+(review-pane behavior on document switch) — settle the two coupled rules (outgoing
+pane fate; whether the switched-to doc auto-gets a review experience) before
+building. Other open: OQ-2 (F11 graduation), #32 (scroll-sync, needs design),
+#35 (repo rename), #40 (undo provenance, P3, branch `s40-undo-provenance`
+unmerged), #54 (undo still broken in sandbox).

sessions/0050/SESSION-0050.0-TRANSCRIPT-2026-06-13T17-43--INPROGRESS.md

@@ -1,20 +0,0 @@
-# Session 0050.0 — Transcript
-
-> App: vscode-cowriting-plugin
-> Start: 2026-06-13T17-43 (PST)
-> Type: capture
-> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
->
-> This file reserves session ID 0050 for vscode-cowriting-plugin. The driver replaces this
-> body with the full transcript and renames the file to its final
-> SESSION-0050.0-TRANSCRIPT-2026-06-13T17-43--<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._