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+# Session 0059.0 — Transcript
+
+> App: vscode-cowriting-plugin
+> Start: 2026-06-26T06-01 (PST)
+> End: 2026-06-26T08-32 (PST)
+> Type: planning-and-executing
+> Posture: autonomous (yolo)
+> Status: **FINALIZED**
+
+## Launch prompt
+
+Plan-and-execute #64 (F12 inline editable proposed-change diff in the Markdown
+editor) from the graduated spec `specs/coauthoring-inline-editor-diff.md`, in
+isolated worktree `vscode-cowriting-plugin-s58` (branch `s58-inline-editor-diff`),
+opened straight off brainstorming session 0058.
+
+## Plan
+
+Implement #64 per spec: optimistic-apply the proposed change into the editor
+buffer (editable, tinted insertions + struck-red deletion hints), accept =
+finalize-in-place / reject = revert-in-place, `Accept ▾`/`Reject ▾` (+ Accept-all
+/Reject-all) from both editor (CodeLens+QuickPick) and webview. Reverses
+INV-10/INV-32; INV-48..54. Implementation plan:
+`docs/superpowers/plans/2026-06-26-inline-editor-diff.md`.
+
+## Outcome — SHIPPED
+
+#64 (F12) **shipped to main** — PR #66 squash `7b98249`, issue auto-closed.
+Worktree built, subagent-driven (fresh implementer per task + two-stage review),
+adversarial final review, then merged through the concurrent #65 landing.
+
+## Turn-by-turn arc
+
+1. **Init** — claimed session 0059 (0057 still in-flight; isolated worktree made
+   it §5.4-safe). Synced worktree, `npm ci`, green baseline (242 unit).
+2. **Plan** — read the whole subsystem (proposalController, trackChangesModel,
+   attributionController, trackChangesPreview, preview.ts/css, extension.ts,
+   package.json, E2E harness); wrote an 8-task TDD plan. Surfaced a **spec
+   refinement**: optimistic apply must re-anchor the proposal to the applied text
+   + store `Proposal.original` (F4's `fp.text` is the original, gone once applied).
+3. **Execute (subagent-driven, sonnet implementers):**
+   - T1 `Proposal.original` (model) — `bea9fd5`.
+   - T2 `setProposalApplied` re-anchor helper — `92ff4dd`.
+   - T3 seam `landBaseline` opt + `signalLanded` — `6d54963`. **Surfaced the
+     host-E2E was blocked by a macOS UNIX-socket-length `EINVAL`** (the long
+     worktree path). Fixed by pinning `--user-data-dir` to a short `/tmp` path
+     (`930b4ab`) → host-E2E now launches from a worktree.
+   - T4 `optimisticApply`/`finalizeInPlace`/`revertInPlace`/`rejectAll` —
+     `ddbbb7a` (subagent caught a real `keyOf` vs `uri.toString()` test bug).
+   - T5 `EditorProposalController` + pure `decorationPlan` — `8c6e782`+`e599284`
+     (subagent added a setTimeout(0) apply-debounce for the batch race; updated 5
+     existing E2E for the INV-10 reversal — verified legitimate, not weakened).
+   - T6 render-once INV-50 reconciliation — `6529332`; I added a coloring-
+     alignment fix (`landedSpans` via `toLanded`) the subagent's note flagged —
+     `3805323`.
+   - T7 webview `Accept ▾`/`Reject ▾` + dropdown + `rejectAllProposals` — `f4594da`.
+4. **Adversarial final review (opus subagent)** — found a **CRITICAL** (revert
+   target clobbered on save+reload, in-memory `applied` empty post-reload) and a
+   MINOR (toolbar summary double-counts). Both fixed + a reload-safety regression
+   E2E — `6560894`. Verdict invariants INV-48..54 upheld; decorationPlan alignment
+   verified correct.
+5. **Concurrency** — session 0057 had merged **#65** (unify Ask-Claude on a
+   split-below webview; removed `InlineAskController`) to main mid-session. Merged
+   origin/main into the branch, resolved the one `extension.ts` conflict (drop
+   inlineAsk, keep `EditorProposalController`); suite green; squash-merged PR #66.
+6. **Hygiene** — a `git add -A` during the merge accidentally tracked the spec
+   copy in the code repo; removed it (PR #67 `844a278`) — specs are canonical in
+   the content repo. Plan archived (`8c14f54`); spec patched to **v0.1.1** with the
+   re-anchor refinement and submitted (`43913dc`).
+
+## Cut state
+
+- **main @ `844a278`** (clean, pushed). #64 closed.
+- Tests: **249 unit + 87/5 host-E2E green**, typecheck clean.
+- Content repo: spec v0.1.1 (`43913dc`) + plan (`8c14f54`).
+- Worktree removed.
+
+## Deferred decisions
+
+- **Re-anchor on optimistic apply (spec refinement, RESOLVED into v0.1.1).** Added
+  `Proposal.original` + re-fingerprint to the applied text; captured once →
+  reload-safe. Folded into the spec.
+- **`finalizeInPlace` has no orphan re-resolve guard** (CodeLens Accept), unlike
+  the webview `acceptById`. Intentional — spec §2.2 says Accept keeps the human's
+  in-place edits (which would orphan the exact-text fp) — but it's asymmetric. Left
+  as-is; noted as a follow-up nit.
+- **Per-proposal webview carets always show Accept-all/Reject-all** even at 1
+  pending (the toolbar button correctly hides <2). Cosmetic; not fixed.
+
+## Not done
+
+- **Manual smoke (interactive F5)** — the live editor diff, CodeLens dropdown,
+  both-surface parity, and save-while-pending need an Extension Development Host
+  run (operator-side). No flotilla/PPE for this app — the PR-merge to main is the
+  ship.
+
+## Next-session prompt
+
+```
+/goal Manually smoke-test #64 (F12 inline editor diff) in an Extension Development Host (F5) — verify the live editable diff + deletion hints, the Accept ▾/Reject ▾ CodeLens dropdown, editor↔webview parity, and save-while-pending — then start the next backlog item; #59 (P1, macOS Apple-Events prompt, likely @cline/sdk) is highest priority
+```
diff --git a/sessions/0059/SESSION-0059.0-TRANSCRIPT-2026-06-26T06-01--INPROGRESS.md b/sessions/0059/SESSION-0059.0-TRANSCRIPT-2026-06-26T06-01--INPROGRESS.md
deleted file mode 100644
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--- a/sessions/0059/SESSION-0059.0-TRANSCRIPT-2026-06-26T06-01--INPROGRESS.md
+++ /dev/null
@@ -1,20 +0,0 @@
-# Session 0059.0 — Transcript
-
-> App: vscode-cowriting-plugin
-> Start: 2026-06-26T06-01 (PST)
-> Type: planning-and-executing
-> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
->
-> This file reserves session ID 0059 for vscode-cowriting-plugin. The driver replaces this
-> body with the full transcript and renames the file to its final
-> SESSION-0059.0-TRANSCRIPT-2026-06-26T06-01--<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._