Session 0064.0 — Transcript

App: vscode-cowriting-plugin Start: 2026-07-01T22-19 (PST) · End: 2026-07-02T05-34 (PST) Type: writing-plans Posture: careful Claude-Session: 7c03a44e-1f92-4445-afd9-928efd55afba Checkout: /Users/benstull/git/benstull.org/benstull/vscode-cowriting-plugin-wp (isolated worktree; torn down at finalize) Anchor: design specs/coauthoring-native-surfaces.md (v0.2.1, graduated)

Launch prompt

Got it. Let's implement the full plugin (operator, after driving the rung-2 feasibility spike; context: evolve the shipped extension in place onto specs/coauthoring-native-surfaces.md, D17/§6.10/§7.1)

Pre-state

Native-surfaces Solution Design at v0.2.0, draft, on content-repo branch session-0063 (session 0063 INPROGRESS, awaiting operator review). Content main had never received the 0062/0063 spec lineage.
Rung-2 feasibility spike: E1/E3/E5 PASS (recorded in v0.2.0); E2/E4 unvalidated. Earlier in this same conversation (pre-session), the throwaway prototype vscode-cowriting-prototype was rebuilt to drive the FULL v0.2.0 loop (enter → ask-via-comment → pending-in-buffer → tweak → baseline/diff → preview → stop) and the operator drove it end to end.
Three concurrent INPROGRESS sessions (0061/0062/0063); 0062 occupied the main plugin checkout → this session claimed from an isolated worktree (#134 gate).

Arc (turn by turn, condensed)

Spike driving (pre-claim, same conversation): operator drove the walkthrough; two E4 defects surfaced and were fixed live in the prototype — (a) "Make this edit" gated on a nonexistent commentThreadContextValue key (real key: commentThread); (b) Ask-Claude didn't focus the comment input (fixed via workbench.action.addComment); (c) "cursor must be within a commenting range" → commenting ranges are cached per document; re-assigning commentingRangeProvider is the only refresh signal. All recorded in the prototype's FINDINGS.md.
Gate + claim: operator asked to "implement the full plugin" → wgl-writing-plans init; claim refused the shared checkout (live 0062) → isolated worktree vscode-cowriting-plugin-wp, claimed 0064 (--type writing-plans, careful).
Eligibility: check-issue-eligibility.sh --for implementation-plan --design …coauthoring-native-surfaces.md → ELIGIBLE (R2a). Design-readiness: N/A (spec §5.1 = Code directly, no UI design).
Sequencing decision (operator): fold spike findings first, then plan. Operator confirmed the drive reached step 5+ → E2 PASS; E4 PASS-with-fallback.
Spec v0.2.1 delta (content worktree branch session-0064 off session-0063): §6.4 spike-verified API seams (commenting-range refresh, addComment focus, commentThread when-key, offer affordances; baseline nested-repo + state.HEAD.commit notes), §7.1 rung 2 closed (E2 PASS / E4 PASS-with-fallback; D15 preview-selection half explicitly un-spiked), §7.3 risks updated. Pushed; operator approved → graduated.
Plan written (superpowers:writing-plans; codebase mapped via an Explore subagent + direct reads): docs/superpowers/plans/2026-07-01-native-surfaces-migration.md — ONE plan, 9 tasks in §7.1 rung-4 order: (1) CoeditingRegistry (INV-10) → (2) baseline router git-HEAD+snapshot (INV-7; retires INV-18 machine-landing advance) → (3) QuickDiff + cowriting-baseline: + Review Changes + status bar (INV-13) → (4) gate every surface → (5) extract EditFlow from the review webview → (6) comments-first ask + comment→reply→offer→proposal loop (D19/D10/D8; sunsets the input webview) → (7) built-in-preview annotations via markdown-it sentinels (D3/D21; Q4 mermaid stop-and-record check) → (8) sunset the review webview + ✓ Keep/✗ Reject copy + README → (9) full-loop E2E + real-SDK smoke (rung 3 folded in). D15 explicitly deferred. Committed to plugin branch session-0064, pushed.
Review gate: operator approved — explicitly accepting the D15 deferral and the INV-18 retirement — and directed execution to a new session.
Finalize (single approved plan): content session-0064 merged → content main (landed the whole 0062/0063/0064 spec lineage; flagged), plugin session-0064 fast-forwarded → plugin main; plan archived via submit-plan.sh → content plans/2026-07-01-native-surfaces-migration.md (ddaf3b0); issue #69 filed (D15, feature P2, resume context in body); both session worktrees removed; memory updated.

Deferred decisions

None — the two judgment calls (D15 deferral, INV-18 retirement) were put to the operator explicitly and approved at the plan gate.

Cut state

Spec: coauthoring-native-surfaces.md v0.2.1 graduated, on content main.
Plan: approved + archived at content plans/2026-07-01-native-surfaces-migration.md; also on plugin main under docs/superpowers/plans/. Not executed (by design — writing-plans is terminal).
Spike: complete (5/5); prototype retained deliberately (operator: iterate UX there before the real build) — supersedes the spike-plan's delete-when-done for now.
Tracker: #69 (D15 preview-initiated comments, feature P2) parked with full resume context.
Leftover: merged-but-undeleted local branch refs (session-wp-native-surfaces in the plugin clone, session-0064 in the content clone) — operator declined force-deletion; plain -d from a main checkout clears them. Sessions 0061/0062/0063 remain INPROGRESS (0062/0063 will find their content branches already merged).

Operator plate

Open the executing session (below) when ready.
Sessions 0061/0062/0063 are still unfinalized — worth closing out.
Optional tidy: delete the two stale local branch refs.

Next session

/goal Execute the native-surfaces migration plan (content repo plans/2026-07-01-native-surfaces-migration.md, 9 tasks, from graduated spec coauthoring-native-surfaces.md v0.2.1) end to end

(Open with wgl-executing-plans; the plan's tasks run 1→9 strictly, each ending typecheck+unit+host-E2E green; Task 9's live smoke is the operator-run rung-3 gate.)

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