docs: handoff-80 + docs direct-push carve-out (ADR-0059 Amendment 1)
Session handoff covering the clause-concept-hints feature (ADR-0058, #42) and the working-method establishment (ADR-0059, #41; fixes #43/#44). Records the docs direct-push carve-out: handoff/session docs and small docs amendments are owner-direct-pushed to main, because a docs-only PR posts no ci/gate run (paths-ignored) and stalls on the required check. Amends CLAUDE.md, ADR-0059 (Amendment 1), and its README index row.
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# Session handoff — 2026-06-25 (80)
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A long session. It began as the next open-issue item — **#37, clause-concept
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hints** — but the act of cutting a branch for it surfaced that this
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now-public repo had **no written, trackable working method**. So the bulk of
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the session became establishing one (**ADR-0059**) and hardening it through
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real use, with two follow-up fixes the dogfooding turned up. Both arcs are
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fully merged; the tree is clean.
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## §1. State
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**Branch `main` at `78272e2`.** Everything below is merged; **no open PRs**;
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worktrees are just the primary (`main`) + the long-lived `website`. All
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feature/fix worktrees were cleaned up with `wt-rm`.
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**Suite green at #37's merge:** **1831 lib + 8 e2e_pty + 503 it + 200 typing
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(2542 total), 0 failed, 1 ignored**; `fmt --check` + `clippy -D warnings`
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clean (via `nix develop -c`). The new workflow scripts carry their own
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local-`origin` harnesses: `test-adr-reserve.sh` **10/10**, `test-wt.sh`
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**16/16**, all `shellcheck`-clean.
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**Issues:** closed this session — **#37** (done, ADR-0058) and **#38**
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(won't-do, see §4). Still open — **#40** (winget release notes, deferred to
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next release; see §4). (#36/#39 were closed in earlier sessions.)
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## §2. What shipped — #37 clause-concept hints (ADR-0058, merged #42)
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The deferred ADR-0053 extension: a tier-3 **`hint.concept.*`** layer shown by
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**F1** when the cursor sits **inside a recognized clause**, layered under the
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per-form `hint.cmd.*` block. Seven topics — referential actions, `1:n`/`m:n`
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cardinality, primary key, unique, check, foreign key.
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- **Mechanism:** a new transparent `Node::Concept { topic, inner }` grammar
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wrapper records the clause's byte span into `WalkContext::concept_spans`
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(**append-only — survives the clause being fully matched**, unlike
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`pending_hint_mode` which clears on match and so only knows the slot
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boundary). `concept_topic_at_cursor` walks the full buffer and returns the
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**innermost** containing span. No use of the dormant `WalkBound::Position`.
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- **Two user forks:** detection = "anywhere inside the clause"; **all four
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clause families** in v1. **Mode-keyed examples** (`example.simple` /
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`example.advanced`) honour ADR-0053 D6 for topics reachable in both modes;
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`emit_tier3_block` picks by live mode.
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- **`/runda` caught two design gaps before any code** (clause map missed the
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simple-mode constraint suffix; single-`example` model collided with D6) —
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both fixed. **Comprehensiveness gate**: a recursive `Node::Concept` visitor
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cross-checks grammar wrappers ↔ `CONCEPT_TOPICS` ↔ catalogue blocks.
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- 21 new tests (14 resolver, 3 gates, 3 F1 integration, 1 snapshot).
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## §3. The working method (ADR-0059, merged #41; fixes #43, #44)
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The session's main artifact — the trackable flow for the public repo:
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- **PRs onto a protected `main`** (always-green; one direct-push carve-out,
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§4), one logical change per branch, conventional prefixes, the `/runda`/DA
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review pasted into each PR. **Merge commits (`--no-ff`)**; never
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rebase/squash (append-only).
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- **One worktree per branch** (`<repo>-worktree-<segment>`) — never switch the
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primary checkout. `scripts/wt-new.sh <branch>` (off `origin/main`,
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`--no-track`) / `scripts/wt-rm.sh <branch>` (removes only the **named**
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worktree).
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- **Reserve-first ADR numbering** — `scripts/adr-reserve.sh <slug>`. The fix
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for the real collision problem: a contiguous integer needs an allocator and
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plain git branches have none, so **`main` is the registry and an atomic
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`git push` is the lock** (compare-and-swap, retried on contention),
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recorded in the append-only ledger **`docs/adr/RESERVATIONS.log`**. The
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number is **stable from creation** (safe in immutable commit messages +
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cross-refs). Supersedes ADR-0000's placeholder-until-merge default;
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subproject namespaces (`ADR-website/ci-NNN`) unchanged.
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- **Branch protection** (you applied in Gitea): require PR + the `ci / gate*`
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check + up-to-date-before-merge; **owner whitelisted for direct push** (the
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reservation ledger line, now also handoff/session docs — §4).
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- **Fixes found by dogfooding:**
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- **#43** — `wt-clean` (auto-sweep of all merged worktrees) → explicit
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**`wt-rm <branch>`**. The auto-sweep would have deleted long-lived
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branches (`website`, `ci`) since they're merged into `main` too. Also
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**`wt-new --no-track`**: branching off `origin/main` had set the new
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branch's upstream to `origin/main`, so a bare `git push` errored on a
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name-mismatch and suggested the dangerous `HEAD:main`.
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- **#44** — CI **dedupe**: `push: branches: [main]` (was `['**']`) so a
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push to a PR'd branch no longer runs the gate twice. On **Gitea** the
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`push` and `pull_request` runs were byte-identical — Gitea has **no
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merge-preview ref**; its `pull_request` checks out `refs/pull/N/head`, the
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same commit a branch push would (`docs.gitea.com/usage/actions/faq`).
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Keeping the gate on `pull_request` is forward-compatible: if Gitea ever
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adds the merge ref, the runs upgrade to testing the merged result for free.
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## §4. Decisions
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- **#38 closed — won't build** the pre-submit-diagnostic tier-3 route. The
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ADR-0053 D6 deferral reasons still hold: `Diagnostic` carries no class key
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(a class field would have to thread through every diagnostic-creation
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site — broad change) for marginal value (tier-2 already surfaces
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diagnostics live; many classes duplicate the runtime-error/clause-concept
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tiers). Reconsider only if a diagnostic class has genuinely unique teaching
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value. Rationale recorded on the issue.
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- **#40 deferred** (open): wire `CHANGELOG` into komac's winget
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`--release-notes-url`. Best coupled to the **next `v*` release + first real
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winget *update* test** — the initial winget PR to `microsoft/winget-pkgs`
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is still unconfirmed after several days, so end-to-end validation needs a
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confirmed package first.
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- **Docs direct-push carve-out** (this handoff is the first to use it):
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handoff / session docs (and the reservation ledger) are **owner
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direct-pushed to `main`**, not PR'd. See §5 for *why* a PR doesn't work.
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## §5. Process lessons (now in ADR-0059 / CLAUDE.md)
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- **Update a branch in ONE lane** — locally (`git fetch && git merge
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origin/main`), **not** the Gitea "Update branch" button when a conflict is
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possible. The button silently mis-resolved the README clash on #42
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(dropped the `0059` index row) and, combined with a local merge, diverged
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the PR branch; healed with an append-only merge (no force-push).
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- **Primary checkout rests on `main`; feature work in worktrees.** Mid-session
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the primary was stuck on `feat` (bootstrap artifact), which is what made
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worktree cleanup awkward — there was no `main` checkout holding the
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scripts. Resolved by switching the primary to `main` and moving `feat` to a
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worktree.
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- **Docs-only PRs are blocked by the required gate.** `paths-ignore`
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(`docs/**`, `**/*.md`) means a docs-only change posts **no `ci / gate`
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run**, and branch protection requires `ci / gate*` — so the required check
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never arrives and the PR is stuck "expected/waiting." That is the concrete
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reason handoff/session docs are direct-pushed (§4). If docs-via-PR is ever
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wanted, add a "skipped → success" gate shim (or drop the paths-ignore).
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- **Gitea CI specifics worth remembering:** no merge-preview ref (above); the
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reserve script's CAS via atomic push; `--no-track` on branch creation to
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avoid the inherited-`origin/main` upstream.
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## §6. Next
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- **Next session is free to pick a feature** — no specific item is queued;
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consult `docs/requirements.md` for the remaining backlog (e.g. **TT4 /
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Tier-4-in-CI** still not wired; **D3 packaging** — winget pending
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confirmation; the larger deferred UX items: tutorial system, session-log +
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markdown export V4, multi-line input I1, ER-diagram export V3).
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- **#40** when the next release happens (with the first winget update test).
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- **Use the new flow:** `wt-new` to start a branch, `adr-reserve` the moment
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an ADR is needed, PR onto `main`, `wt-rm` when done. Push/merge stay your
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steps; agents prepare but never push.
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## §7. Process pins
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- Commits user-confirmed, no AI attribution, append-only. **Push/merge are
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the user's steps.** This handoff + the §4 carve-out doc amendments are
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direct-pushed to `main` by the owner (docs-only, paths-ignored,
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owner-whitelisted).
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