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# Session 0006.0 — Transcript
> App: vscode-cowriting-plugin
> Date: 2026-06-10, 08:0209:15 PST
> Type: brainstorming
> Goal: Brainstorm Gitea issue #6 (F3 — live human/Claude attribution in the
> buffer, git-native provenance) and write its Solution-Design spec.
> Outcome: **Spec produced, operator-approved, and graduated** —
> `vscode-cowriting-plugin-content/specs/coauthoring-attribution.md` (content
> repo commit `b7637d9`). All three forks issue #6 routed here are resolved.
## Launch prompt
```
Let's brainstorm Gitea issue #6
```
## Plan
Brainstorming session for Gitea issue #6 — **F3: Live human/Claude attribution
in the buffer, git-native provenance** (the follow-on Solution-Design session
Epic #1 / Feature #6 route the F3 design fork to).
1. Orient: issue #6, the graduated spec
(`vscode-cowriting-plugin-content/specs/coauthoring-inner-loop.md` §6.3
`attributions[]`/`provenance`, §9 OPEN→F3/F4), F2 code on main.
2. Explore the design fork with the operator:
- machine-edit ingress (live `@cline/sdk` turn vs. programmatic apply vs. both)
- `attributions[]` shape on the shared `anchors`/`provenance` primitives
- mixed-edit split/merge granularity rules
3. Write the F3 Solution-Design spec locally under this repo's `specs/`.
4. Finalize submits the spec to the content repo's `specs/` collection.
## Pre-session state
- `main` clean at `df872c9` (session 0004's transcript commit); F2 (#4) shipped
via PR #5; F1/POC (#2) shipped earlier.
- Issue #6 (F3) freshly captured in session 0005 (tracked-lite capture session,
still `--INPROGRESS` at this session's claim — warned, proceeded; no overlap:
0005 captured the issue, 0006 brainstorms it).
- Parent spec `coauthoring-inner-loop.md` graduated; `attributions[]` and the
`Provenance` `agent` author reserved (INV-4); "where Claude runs +
provider/auth" explicitly deferred to "the first live `@cline/sdk` turn,
F3/F4" (§9 DEFERRED).
## Turn-by-turn arc
1. **Init.** Classified the opening prompt as brainstorming; claimed session
0006 (`--type brainstorming`, placeholder pushed at `8d406a8`). Local main
was behind 2 (sessions 0005/0006 placeholder commits) — fast-forwarded to a
clean pushed baseline.
2. **Orient.** Read issue #6 in full via the Gitea API; read the graduated
parent spec; surveyed F2's shipped units (`model.ts`, `anchorer.ts`,
`store.ts`, `threadController.ts`) to ground the design in real interfaces.
3. **Fork 1 — machine-edit ingress.** Operator chose **both**: a programmatic
`applyAgentEdit` seam (the attribution boundary F4 later drives) + a minimal
live `@cline/sdk` turn driving it.
4. **Fork 2 — provider/auth.** Operator asked whether `@cline/sdk` supports
Max/Pro-plan auth instead of API keys. Researched the installed SDK
(0.0.46): found the built-in **`claude-code` provider** ("Use Claude Code
SDK with Claude Pro/Max subscription", via `ai-sdk-provider-claude-code`),
plus Cline-account OAuth and `anthropic` API-key alternatives. Operator
chose **claude-code, + anthropic-key only if needed for testing**; driver
judged the fallback unnecessary (tests drive the seam, not the provider) —
logged as a deferred decision.
5. **Fork 3 — mixed-edit granularity.** Character-precise split + same-author
coalescing (INV-7). Whole-span flips and thresholds rejected as dishonest.
6. **Rendering.** Claude spans tinted + human gutter bar + toggle; unattributed
text plain; orphans → status-bar count.
7. **Live-turn UX.** Edit-selection command (selection + instruction input box
→ replacement text through the seam).
8. **Design presented** (decisions table, `attributions[]` shape, architecture
with two new vscode-free units, testing strategy, 6 slices) — approved.
9. **Spec written** to `specs/coauthoring-attribution.md` (this repo, local);
self-review fixed one ambiguity (orphan surfacing pinned to a status-bar
count). Operator reviewed and approved ("I'm happy with it").
10. **Finalize.** Submitted the spec to the content repo `specs/` collection
with `--status graduated` (autonomous default) → `b7637d9`. Removed the
local untracked copy per the F2/session-0003 precedent (content repo is the
canonical home; app-repo tree left clean). Memory updated.
## Cut state (end of session)
| Repo | State |
| --- | --- |
| `benstull/vscode-cowriting-plugin` | `main` clean at `8d406a8` (transcript placeholders only; no code changes this session) |
| `benstull/vscode-cowriting-plugin-content` | `main` at `b7637d9`**specs/coauthoring-attribution.md added, status: graduated** |
Design decisions locked (spec §6.7/§9 — don't relitigate):
ingress = seam (`applyAgentEdit`, INV-9) + minimal live turn (edit-selection
command); auth = `claude-code` provider only, zero extension-held credentials
(INV-8); granularity = char-precise split + coalesce (INV-7); record =
span-list on shared `anchors` ({id, anchorId, author, createdAt, updatedAt,
turnId?}), orphanhood resolve-time; rendering = Claude tint + human gutter +
toggle; slices = SLICE-1..6; E2E drives the seam, **no LLM in CI**; live turn =
documented manual smoke.
## Deferred decisions
- Operator delegated "anthropic-key fallback if necessary for testing" — driver
judged it NOT necessary (tests drive the apply-edit seam, not the provider;
live turn gets a manual smoke) and specced `claude-code` provider only, with
the API-key path deferred to an OPEN item. (specs/coauthoring-attribution.md
§6.7, §9)
- Local spec copy removed from the app repo working tree after submission
(content repo is the canonical home, per the session-0003/F2 precedent) — the
alternative was committing a duplicate copy to the app repo.
## What lands on the operator's plate
- Nothing blocking. Session 0005 (capture) is still `--INPROGRESS` in the
session history — adopt/finalize it whenever convenient.
- The live-turn smoke test (when F3 is built) needs this machine's Claude Code
signed in — already true today.
## Prompt the operator can paste into the next session
```
/goal Build F3 (#6) — live human/Claude attribution — in a planning-and-executing session: write the just-in-time plan from vscode-cowriting-plugin-content/specs/coauthoring-attribution.md (§7.2 SLICE-1..6) and execute it on the F2 model. Host E2E drives the applyAgentEdit seam (no LLM in CI); the live claude-code turn gets a documented manual smoke.
```