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+# Session 0046.0 — Transcript
+
+> App: vscode-cowriting-plugin
+> Start: 2026-06-13T08-19 (PST)
+> Type: planning-and-executing
+> End: 2026-06-13T08-31 (PST)
+> Status: **FINALIZED.**
+> Posture: autonomous (yolo)
+
+## Launch prompt
+
+```
+/goal plan-and-execute #48 (pinning the baseline leaves the review panel fully un-annotated — zero-diff → no F3 authorship colors on unchanged blocks; proposals still show)
+
+```
+
+## Plan
+
+**#48 (story, P2)** — pinning the baseline leaves the review panel fully
+un-annotated. Anchor: leaf `story` → §4.3 R2 (no design gate). Picked
+autonomously as the next backlog item after the document-edit-flow cluster shipped
+(0043/0044/0045).
+
+When `diffBlocks(baseline, current)` yields all-`unchanged` ops (zero diff — the
+state right after a pin), the F10 on-render still author-colors every block
+(`colorByAuthor`), so the panel looks painted instead of clean. Fix: in that
+zero-diff case render clean (no author coloring, no change marks) while keeping
+`data-src` mapping (INV-36) and still injecting pending proposals (proposals are
+actions, not annotations). Narrow edge case of INV-33 — with-changes render
+unchanged; off-state unchanged; broader "authorship never colors unchanged" NOT
+in scope.
+
+Tasks:
+1. `trackChangesModel.ts` `renderReview` — detect `ops.every(unchanged)`; in that
+   case use a plain `render` (skip `colorByAuthor`) for blocks; proposal injection
+   loop unchanged.
+2. Unit: baseline==current + author spans → no `cw-by-claude`/`cw-by-human` (and
+   no `cw-add`/`cw-del`) on the body; with a pending proposal → the `cw-proposal`
+   block still renders.
+3. Host E2E: open preview, diverge + author-color, pin → panel clean (no
+   green/blue); edit again → annotations return.
+4. Content repo: one-line INV-33 clarification (zero-diff → clean on-render) in
+   `specs/coauthoring-interactive-review.md`.
+
+No new persisted artifact; no deploy pipeline (VS Code extension).
+
+## Results
+
+**#48 (story, P2) shipped to `main`** — PR
+[#52](https://git.benstull.org/benstull/vscode-cowriting-plugin/pulls/52)
+(merged), issue #48 closed. Picked autonomously after the document-edit-flow
+cluster (0043/0044/0045).
+
+- `trackChangesModel.ts` — `renderReview` gains a `pinned` `RenderOption`; when
+  pinned + zero-diff, blocks render plain (skip `colorByAuthor`).
+- `trackChangesPreview.ts` — pass `{ pinned: baseline?.reason === "pinned" }`
+  from `refresh` + `renderHtmlFor`.
+- Unit (4 new) + `s48PinClean` host E2E.
+
+**Scoped to the pin specifically** (not all zero-diff): a baseline advanced by a
+**machine-landing** (accept) is also zero-diff but keeps its authorship coloring
+(F10 INV-33) — the F10 authorship E2E caught a pure-zero-diff rule would regress
+accepted-Claude-text coloring, so the clean render is gated on `reason ===
+"pinned"`.
+
+Verification: `tsc --noEmit` clean; **218 unit** green; **74/5 host E2E** green.
+
+## Session arc
+
+1. **Pick + claim.** Stop hook required determining/executing the next milestone
+   autonomously (rolling `next`); chose #48 (leaf story, no design gate) and
+   claimed 0046. Clean `main`.
+2. **Read the issue** (detailed, gave the solution shape) + `renderReview`.
+3. **TDD.** Implemented zero-diff-clean; full suite caught the F10 authorship
+   regression (accept advances baseline → zero-diff → coloring was being cleared);
+   re-scoped to `reason === "pinned"` via a `pinned` RenderOption → all green.
+4. **Shipped** (PR #52), closed #48; spec clarification written but left in the
+   content-repo working tree (see Deferred decisions).
+
+## Deferred decisions
+
+_Autonomous-mode low-confidence calls the driver made and would have
+liked operator input on. Empty if none._
+
+- **INV-33 clarification not pushed to the content repo** (loose end, not a
+  judgment call). Wrote the zero-diff-after-pin clarification into
+  `specs/coauthoring-interactive-review.md`, but the **content repo has
+  pre-existing uncommitted state that isn't this session's**: a modified
+  `coauthoring-diff-view.md` and ~18 untracked capture-session draft files
+  (`issues/*.md`, `specs/coauthoring-document-edit-flow.md`), and local `main` is
+  **6 behind origin**. A clean rebase would require deleting the operator's
+  untracked drafts (irreversible — a STOP gate), so I **soft-reset** my spec
+  commit into the working tree rather than force it. The clarification sits as an
+  uncommitted modification alongside the operator's other content-repo drafts,
+  for the operator to reconcile/push. The #48 **code** shipped normally.
@@ -1,23 +0,0 @@
-# Session 0046.0 — Transcript
-
-> App: vscode-cowriting-plugin
-> Start: 2026-06-13T08-19 (PST)
-> Type: planning-and-executing
-> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
->
-> This file reserves session ID 0046 for vscode-cowriting-plugin. The driver replaces this
-> body with the full transcript and renames the file to its final
-> SESSION-0046.0-TRANSCRIPT-2026-06-13T08-19--<end>.md form at session end.
-
-## Launch prompt
-
-```
-/goal plan-and-execute #48 (pinning the baseline leaves the review panel fully un-annotated — zero-diff → no F3 authorship colors on unchanged blocks; proposals still show)
-
-```
-
-## 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._