Ben Stull
88 lines
4.8 KiB
Markdown
88 lines
4.8 KiB
Markdown
# Session 0004.0 — Transcript
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> App: vscode-cowriting-plugin
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> Start: 2026-06-10T06-38 (PST)
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> Type: planning-and-executing
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> End: 2026-06-10T07-04 (PST)
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> Type: planning-and-executing
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> Status: **FINALIZED.**
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>
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> Driver session for Feature #4 (F2 — region-anchored threads): wrote the
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> just-in-time plan from the graduated coauthoring-inner-loop spec and executed
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> all five slices. Shipped to `main` via Gitea PR #5.
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## Launch prompt
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Build **F2 (#4) — region-anchored threads** in a planning-and-executing session:
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write the just-in-time plan from `vscode-cowriting-plugin-content/specs/coauthoring-inner-loop.md`
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(§7.2 SLICE-1..5: CoauthorStore → Anchorer → ThreadController via the Comments API →
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reload/external re-anchor → `@vscode/test-electron` E2E) and execute it. UI surface ⇒
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E2E host tests are first-class plan tasks. No live `@cline/sdk` turn / no provider-auth in F2.
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## Plan
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Implementing the **coauthoring inner-loop** spec (graduated, session 0003), first consumer
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F2 (#4): region-anchored discussion threads on the POC skeleton (#2).
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Slices (spec §7.2), each a plan task:
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- **SLICE-1** Artifact schema (`schemaVersion`, shared `anchors`/`provenance`, `threads`) +
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`CoauthorStore` (load/save `.threads/` sidecars, stable key ordering, round-trip tests). [vscode-free, vitest]
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- **SLICE-2** `Anchorer` — `buildFingerprint`, resolution ladder (exact-unique →
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context-disambiguated via lineHint → orphaned), live offset `shift`. [vscode-free, vitest]
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- **SLICE-3** `ThreadController` wiring to `vscode.comments` (create-on-selection, reply,
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resolve, render). [editor-facing]
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- **SLICE-4** Reload + external-change re-anchoring (`FileSystemWatcher`) + orphaned-thread surface.
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- **SLICE-5** E2E (`@vscode/test-electron`) across create→persist→reload→re-anchor; fall back
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to driving the `ThreadController` API + asserting Comments-controller state where the harness
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cannot drive native Comments UI.
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Invariants: never silently move a thread (orphan instead, INV-1); git-native serverless JSON
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(INV-2); fingerprint is source of truth (INV-3); forward-compatible envelope for F3–F5 (INV-4);
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no live `@cline/sdk` turn / no credentials (INV-5). Done = F2 acceptance met, unit + host E2E green.
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Plan doc: `docs/superpowers/plans/2026-06-10-f2-region-anchored-threads.md`
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(archived to `vscode-cowriting-plugin-content/plans/`).
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## Session arc
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**Pre-state:** clean `origin/main` at the POC skeleton (#2, sessions 0002/0003).
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Spec `coauthoring-inner-loop.md` graduated in brainstorming session 0003.
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1. **Claim + orient** — claimed session 0004; read the spec (§6 design, §7.2
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slices) and the POC skeleton (vscode-free `cline.ts`, esbuild CJS bundle with
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`vscode`/`@cline/sdk` external). Memory confirmed F2/#4 as next.
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2. **Plan** — wrote the just-in-time plan with `superpowers:writing-plans`: six
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tasks (SLICE-1..5 + README/verify), every step with complete code and TDD
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grain, E2E host tests as first-class tasks. Branched `feat/f2-region-anchored-threads`.
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3. **Execute** with `superpowers:executing-plans`, inline (tasks are
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type-dependent, not independent):
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- SLICE-1 `model.ts` (schema + stable serialize) + `store.ts` — 8 unit tests.
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- SLICE-2 `anchorer.ts` (fingerprint, ladder, shift) — 9 unit tests.
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- SLICE-3 `threadModel.ts` (4 tests) + `threadController.ts` + `package.json`
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contributions + `extension.ts` API. Typecheck caught `CommentThread.range`
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being optional → guarded.
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- SLICE-4 reload/watcher/orphan mechanics (built in S3) + `reanchor.test.ts`.
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- SLICE-5 `@vscode/test-electron` host E2E. Two iterations: mocha UI mismatch
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(`bdd`→`tdd`), then the external-change test needed `files.revert` because
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`openTextDocument` serves the cached buffer. 4/4 host tests green vs VS Code
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1.124.0.
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4. **Ship** — full sweep green (typecheck, 24 unit, build, 4 E2E). Pushed branch,
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opened Gitea PR #5 via API, merged (autonomous), synced main, pruned branch.
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**Cut state:** `main` clean & pushed; F2 shipped; 24 unit + 4 host E2E green;
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plan archived; memory updated.
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## Deferred decisions
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- **CoauthorStore is vscode-free (Node `fs`); the `FileSystemWatcher` lives in
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ThreadController, not in the store.** Spec §6.2/§6.4 lists the watcher under
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CoauthorStore ("emits `onExternalChange`") yet also calls the store one of the
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three *vscode-free, unit-testable* units. Those pull apart — a `FileSystemWatcher`
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is a vscode API. Resolved in favor of testability (the spec's stated reason for
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vscode-free): the store does pure load/save (unit-tested), and the watcher →
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reload → re-render wiring sits in the controller and is covered by host E2E.
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Alternative was a vscode-free event emitter on the store with the watcher
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injected — more indirection for no test benefit. Low-stakes; flagging for spec
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alignment when F3/F4 touch the store.
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