Comments card-window UI designed — three componentized panes and the .draft composer

Designed with the user 2026-07-29, closing Redesign card 82e2de6c (both halves). The card window recomposes as three componentized panes — body, comments, attributes — with a layout option (side-by-side default, body-over-comments for narrow displays; app-wide) and the thread visible through body Edit in both mounts. The column auto-shows when the thread is non-empty; sort direction flips at the header; the composer sits at the newest end. The composer edits comments/.draft/ — the user's idea, replacing any app-side draft store: one draft per card, ordinary comment schema with attachments, excluded from the thread, riding git/copies/trash, joining the claimed names; slow save cadence composing "Draft comment on 'X'"; posting renames to a fresh UUID and restamps created/modified in one bracket. Inline edits are body-edit sessions in miniature; no prompts anywhere. All editions ship comments — only tracker sync is Teams (matrix updated). A11y shapes in 10; menu, grammar, context-menu, and configuration rows in 11.

Board: Redesign card 82e2de6c → Resolved; Implementation card "Build comments" filed on Backlog (post-2.0).

Claude-Session: https://claude.ai/code/session_01CqjXB7ASoWtbyoGod68k97
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Future integrations extend the core schema; this version reserves their names — and, for comments, specifies the storage schema ahead of the feature — so nothing else squats on them. The app treats reserved keys as ordinary unknown keys (preserved verbatim, invisible in the UI) and reserved folders as ignored non-level content:
- **`comments/` card child — the comment thread** (storage specified 2026-07-29; no comments functionality ships in this version — the card-window UI is its own pending design pass, tracked on the findings board). A comment is a **UUID-named folder** under `comments/`, holding `index.md` (frontmatter + Markdown body, the card-body subset) and optionally `attachments/` — a card's anatomy one level down, so the fractal rules apply verbatim: two-step-create tolerance, stray tolerance, loose-file relocation, displacement of a squatted `attachments`, shape-only identity. `comments/` itself stays a plain reserved child — never a level, never identity. **Field table for `kind: comment`** (exercising IntegrityRules' per-kind hook for the first time): `schema` required; `kind: comment` written at creation (the common rule); **`author`** lenient — self-reported *content*, not overlay: unlike `modified-by` it survives app writes; the app writes the macOS account's full name (the identity 06-history-undo.md's derived default already uses), agents write their own (the guide teaches it), tracker sync writes the remote author verbatim, and missing renders unattributed; `created`/`modified` as everywhere — `created` is load-bearing (ordering below), and the edited indicator is simply `modified` differing, no extra field; `remote`/`remote-state` ride as reserved tracker keys. **No `title`, no `order`.** The rules, all ruled 2026-07-29: **Ordering is chronology, not ranks** — the thread sorts by `created` ascending; chronology *is* a conversation's semantics, and cross-machine or tracker-synced comments carry independent clocks where minted ranks would interleave arbitrarily (the trash's no-timestamp-sort rationale inverts here); ties and missing/malformed `created` (coerce-tier fallback, logged) sort after dated siblings, folder-name order. **Flat this iteration** — no reply nesting, deliberately deferred with the door open (a future reply relation would be frontmatter, and the window-scoped read below holds either way). **Comment defects never refuse the board** — worst case is the stray posture (tolerated, logged, unrendered): a broken leaf annotation must not brick a load; deliberate, proportionate divergence from card fail-fast. **Delete skips the trash**`.trash/` holds cards and lanes; a comment deletes immediately and undoably (base captures and recreates, on git boards it's a commit), no confirm, undo is the net. **Copies carry the thread** — a copy is a fork, and dropping a subtree would be the one place a copy loses content; comment folders remint like every copied folder, and the copy's comments drop `remote`/`remote-state` (two local comments must never both claim to be the same remote object — content preserved, mapping severed); whole-board forks carry verbatim as always. **Comments are window-scoped, outside the board snapshot** — the walk stays O(cards): the card window reads its own thread and live-reloads it from the same FSEvents stream, and the board snapshot never loads comment content. This is the stated exception to snapshot completeness, costs named: board-level search never sees comment bodies (the card window's own find does), and foreign comment changes are described by **path shape** — the "Update agent guide (vN)" mechanism: a changed path under `…/comments/<uuid>/` composes "Comment on '⟨card title⟩'" / "Edit comment on…" / "Delete comment on…" (06 gains the verb family when the feature ships), and the announcer speaks arrivals the same way. Git protection needs nothing new — the committer already stages the whole root and its condition is the tree. Trash interplay is free: a trashed card carries its `comments/`, purge kills it, restore returns it. Comments never count in the welcome counts. A comment-count chip on card faces is WISHLIST #9. The schema is **edition-blind** (one format, no edition-specific keys); which edition renders and authors comments is the UI pass's question — 12-editions.md pins the enhanced schema to Teams today.
- **`comments/` card child — the comment thread** (storage specified 2026-07-29; no comments functionality ships in this version — the card-window UI is its own pending design pass, tracked on the findings board). A comment is a **UUID-named folder** under `comments/`, holding `index.md` (frontmatter + Markdown body, the card-body subset) and optionally `attachments/` — a card's anatomy one level down, so the fractal rules apply verbatim: two-step-create tolerance, stray tolerance, loose-file relocation, displacement of a squatted `attachments`, shape-only identity. `comments/` itself stays a plain reserved child — never a level, never identity. **Field table for `kind: comment`** (exercising IntegrityRules' per-kind hook for the first time): `schema` required; `kind: comment` written at creation (the common rule); **`author`** lenient — self-reported *content*, not overlay: unlike `modified-by` it survives app writes; the app writes the macOS account's full name (the identity 06-history-undo.md's derived default already uses), agents write their own (the guide teaches it), tracker sync writes the remote author verbatim, and missing renders unattributed; `created`/`modified` as everywhere — `created` is load-bearing (ordering below), and the edited indicator is simply `modified` differing, no extra field; `remote`/`remote-state` ride as reserved tracker keys. **No `title`, no `order`.** The rules, all ruled 2026-07-29: **Ordering is chronology, not ranks** — the thread sorts by `created` ascending; chronology *is* a conversation's semantics, and cross-machine or tracker-synced comments carry independent clocks where minted ranks would interleave arbitrarily (the trash's no-timestamp-sort rationale inverts here); ties and missing/malformed `created` (coerce-tier fallback, logged) sort after dated siblings, folder-name order. **Flat this iteration** — no reply nesting, deliberately deferred with the door open (a future reply relation would be frontmatter, and the window-scoped read below holds either way). **Comment defects never refuse the board** — worst case is the stray posture (tolerated, logged, unrendered): a broken leaf annotation must not brick a load; deliberate, proportionate divergence from card fail-fast. **Delete skips the trash**`.trash/` holds cards and lanes; a comment deletes immediately and undoably (base captures and recreates, on git boards it's a commit), no confirm, undo is the net. **Copies carry the thread** — a copy is a fork, and dropping a subtree would be the one place a copy loses content; comment folders remint like every copied folder, and the copy's comments drop `remote`/`remote-state` (two local comments must never both claim to be the same remote object — content preserved, mapping severed); whole-board forks carry verbatim as always. **Comments are window-scoped, outside the board snapshot** — the walk stays O(cards): the card window reads its own thread and live-reloads it from the same FSEvents stream, and the board snapshot never loads comment content. This is the stated exception to snapshot completeness, costs named: board-level search never sees comment bodies (the card window's own find does), and foreign comment changes are described by **path shape** — the "Update agent guide (vN)" mechanism: a changed path under `…/comments/<uuid>/` composes "Comment on '⟨card title⟩'" / "Edit comment on…" / "Delete comment on…" (06 gains the verb family when the feature ships), and the announcer speaks arrivals the same way. Git protection needs nothing new — the committer already stages the whole root and its condition is the tree. Trash interplay is free: a trashed card carries its `comments/`, purge kills it, restore returns it. Comments never count in the welcome counts. A comment-count chip on card faces is WISHLIST #9. **`comments/.draft/` is the card's single comment draft** (ruled 2026-07-29, the UI pass — user content with a lifecycle name, the `.trash` pattern one level down): a reserved dot-named folder holding ordinary comment schema, `attachments/` included; excluded from the thread; **posting renames it to a fresh lowercase UUID and restamps `created`/`modified` in the same bracket** — chronology is post time, not drafting time — one commit. `.draft` joins the claimed names (a wrong-kind node squatting it displaces by the ladder); copies and the trash carry it like any comment folder (fork-lossless); a draft emptied of text with no attachments is deleted by the app, never litter. The schema is **edition-blind** (one format, no edition-specific keys), and so is the feature: **comments render and author in every edition** (ruled 2026-07-29 — 05-card-window.md ▸ The comments column); only tracker sync is edition-gated (Teams — 12-editions.md).
- **Card metadata keys `labels`, `assignees`, `due`** — issue-style metadata belonging to the tracker-integration story (the pathfinder shipped them natively; the rewrite reserves them instead). One deliberate carve-out: the commit-message composer names changes to these three keys ("Relabel card 'X'" — 06-history-undo.md), invisible in the UI though they are.
- **`remote` key** (board, card) and **`remote-state` key** (lane) — future tracker connectors (Gitea/GitHub/GitLab/Jira), per 07-sync-collab.md's out-of-scope note.
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The standalone per-card window. Opened by fast double-click, ⌘↩, or the context menu; at most one window per card (reopening a live card focuses the existing window); board and card windows share one live store, so edits reflect everywhere instantly (02-architecture.md).
> **Status: designed** — composition, body column, and the attributes sidebar are all settled. The storage-facing rules the pathfinder settled painfully — Preview/Edit over WYSIWYG, the untouched-body byte-identical guarantee, validate-before-write on the raw outlet, dirty-buffer-wins — carry over unchanged.
> **Status: designed** — composition, body column, the attributes sidebar, and the comments column (2026-07-29) are all settled. The storage-facing rules the pathfinder settled painfully — Preview/Edit over WYSIWYG, the untouched-body byte-identical guarantee, validate-before-write on the raw outlet, dirty-buffer-wins — carry over unchanged.
## Composition
Two full-height columns: a wide **body column** (leading) and a narrow **attributes sidebar** (trailing), each scrolling independently. Visual reference: [assets/card-sidebar-reference.png](assets/card-sidebar-reference.png) — a GitLab-style issue pane; its *pattern* (stacked small-caps sections, quiet read-first rows, actions at the bottom) is what carries over, not its enhanced-schema content.
Three **componentized panes** (re-composed 2026-07-29, comments design): a wide **body pane** (leading), the **comments pane** (middle, when shown — The comments column below), and the narrow **attributes sidebar** (trailing) each an independent component with its own scroll, arranged by the window's layout rather than wired to each other; componentization is the rule, so the comments pane mounts beside the body or below it (the layout option, next) without either pane knowing which. Visual reference: [assets/card-sidebar-reference.png](assets/card-sidebar-reference.png) — a GitLab-style issue pane; its *pattern* (stacked small-caps sections, quiet read-first rows, actions at the bottom) is what carries over, not its enhanced-schema content.
- **Body column, top to bottom**: the **title field** — large, borderless; edits write through to frontmatter on commit (Return or focus loss); clearing it removes the `title` key (titles are optional — the untitled placeholder shows here as on the face); Return commits and moves focus into the body. **Escape abandons** (settled — the board inline rename's abandon, applied here): the field reverts to the on-disk title and focus moves into the body, never a commit. The Edit-mode collision resolves by focus, 06-history-undo.md's first-responder rule: while the title field is focused, Escape is the title abandon even with the body in Edit; with the body editor focused, Escape is the Edit→Preview flip as specified. Beneath it, a **quiet created/modified line** ("Created ⟨date⟩ · Modified ⟨date⟩ · by ⟨modified-by⟩", secondary styling, omitting whichever keys are absent — the "by" segment renders only when the self-reported provenance stamp is present, 01-storage-format.md; this is provenance made visible where git history may not exist) — the read-only readout the pathfinder dropped with its inspector, back where the mockup puts it. Then the **body** (Preview/Edit, below).
- **Attributes sidebar**: everything about the card that isn't the body — sections below. Fixed narrow width derived from font metrics (full relative scaling, 10-accessibility.md); the window's resize flex goes to the body.
- **Body/comments layout is an option** (ruled 2026-07-29 — componentized panes make it cheap): side-by-side is the default; **View ▸ Comments Beside Body** unchecked stacks them — body pane above, comments pane below at a fixed ≈3:2 split, each keeping its own scroll — for narrow displays. App-wide, persisted. The panes are identical in both mounts, and the thread stays visible through body **Edit** in either (Edit swaps only the body pane's content — the sidebar's own precedent); the window's minimum width grows only while the column is shown side-by-side, and resize flex always goes to the body, never the fixed panes.
(The pathfinder's compositions are both gone: the metadata bar — labels, assignees, due — left with those fields' move to the enhanced schema, and the horizontal attachments strip dissolves into the sidebar.)
@@ -82,6 +83,19 @@ The card-level styling home: the **embedded style editor** — background palett
- **Delete** — moves the card to the trash (destructive styling; the window then dismisses itself per Deletion & lifecycle below; recoverable from the board's trash lane — 03-board-ui.md).
- **Reveal in Finder** — the card's folder.
## The comments column
Designed 2026-07-29 (storage: 01-storage-format.md ▸ Enhanced schema). Ships in **every edition** — only tracker sync is edition-gated (12-editions.md). Feature lands post-2.0.
- **Visibility**: the pane shows when the thread is non-empty and hides on comment-less cards — the common card stays two panes. **View ▸ Show Comments** toggles it per-window (transient, not persisted); **File ▸ Add Comment** reveals it and focuses the composer in one gesture (11-command-nexus.md).
- **The thread**: one comment = an author line (self-reported `author`, unattributed when absent; timestamp; "· edited" when `modified` differs from `created`), the rendered Markdown body (the card-body subset), and attachment chips when its `attachments/` is non-empty (Quick Look, the sidebar section's pattern). No avatars — there is no identity system, and initials faked from self-reported strings would be decoration. The section header carries the count ("Comments · 3") and the **sort-direction control**: chronological ascending by default, flippable to newest-first (app-wide, persisted).
- **The composer edits `comments/.draft/`** (ruled 2026-07-29 — the draft is user content in the board, the `.trash` pattern applied to composition): an always-visible text area ("Add a comment…", Edit-mode Markdown highlighting) whose backing file is the card's single draft — a reserved dot-named folder under `comments/` holding ordinary comment schema, `attachments/` included, excluded from the thread listing. Restore-on-reopen falls out for free (the composer just reads its file); drafts ride git and sync across machines and editions like any file; concurrent drafts on two machines are an ordinary file race (local-wins). **The composer sits at the thread's newest end** (bottom ascending, top descending) and the window opens scrolled to it — a thread opens where the conversation is happening.
- **Draft saves are slow-cadence, never prompted** (flow breakage minimized): the draft writes on composer blur, window close, quit, and a lazy interval (~30 s) — not the body editor's 700 ms, so a Pro user's typing never becomes a commit stream; the saves that do land compose the quiet path-shaped **"Draft comment on '⟨card⟩'"**. Close and quit just proceed — no DirtyBufferGuard, nothing to lose. A draft emptied of text with no attachments deletes its folder — no litter.
- **⌘↩ posts** (a Comment button twins it): posting renames `.draft` → a fresh lowercase UUID and **restamps `created`/`modified`** in the same write bracket — chronology is when it was posted, not when drafting began — one gesture, one commit ("Comment on '⟨card⟩'" — 06-history-undo.md's verb family per 01).
- **Edit and delete**: every comment is editable and deletable — files-first has no enforced identity. The comment's context menu (the per-item inventory — 10-accessibility.md) carries **Edit / Delete / Reveal in Finder**. Inline Edit is a **body-edit session in miniature** (no second draft mechanism): debounced saves to the comment's own file keep it crash-safe, Save (or ⌘↩) ends the session as its commit point, Cancel reverts to session-start bytes, window close flushes the session exactly as the body's does. Delete is immediate and undoable, no confirm (01's ruling — undo is the net).
- **Live updates**: the pane reloads its thread from the same FSEvents stream (01's window-scoped rule — the board snapshot never loads comment content); foreign arrivals snap in per the motion language, and the announcer speaks them path-shaped ("New comment on '⟨card⟩'" — 10-accessibility.md).
- **Raw Source still swaps the entire content area** — all panes, comments included; the raw outlet's rule is unchanged.
## Window
- **The subtitle shows the card's place**: "⟨board⟩ ⟨lane⟩" under the window title, live-updating as the card moves (the window follows its card).
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- **Lanes**: the defect this doc originally named (lanes had no keyboard-move path) is closed by the keyboard map — with a lane selected, ⌘←/⌘→ move it (Board ▸ Move Left / Move Right, 04-interactions.md); cards gain ⌥⌘↑/⌥⌘↓ within-lane sorting, and cross lanes drag-free via cut/paste (04-interactions.md's clipboard rules). Lanes carry the clipboard too (resettled, 04-interactions.md ▸ Clipboard), so cross-board lane copy/move — once drag-only, the contract's last gap — is ⌘C/⌘X, then ⌘V with the destination board frontmost.
- **Lane resize**: the header context menu's width stepper (03-board-ui.md) — and its keyboard face, the Increase/Decrease Lane Width menu items (⌥⌘→/⌥⌘←, 11-command-nexus.md) — is the accessible path; edge drag is enhancement only.
- **Attachments**: the card window's sidebar items expose Open / Reveal in Finder / Remove via context menu, and the section is keyboard-navigable outright (arrows, Space-QuickLook, Return, ⌫ — 05-card-window.md); adding files drag-free is File ▸ Add Attachment… (⇧⌘A, 11-command-nexus.md) alongside Finder-drop.
- **Comments** (05-card-window.md ▸ The comments column): the pane is a labeled container ("Comments, N"); each comment is **one flattened element** — author, date, edited state, body — with its context-menu rows (Edit / Delete / Reveal in Finder) riding as custom actions per the cut; the composer is a labeled text field (⌘↩ posts) and the header's sort control is Tab-reachable. Foreign comment arrivals announce path-shaped ("New comment on '⟨card⟩'") — the window-scoped read never blocks the announcement, which composes from the path alone.
## Live board announcements
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| File | Save as Template | — (no default) | Board window; 09-templates.md |
| File | Reveal in Finder | — (no default) | Board window: the selection's folder(s), or the board root with nothing selected; card window: the card's folder — the selected attachment's file instead when the attachments section is focused; welcome: the selected recent's folder (disabled on unavailable rows) — the context-menu entry's required twin |
| File | Add Attachment… | ⇧⌘A | Card window |
| File | Add Comment | — (no default) | Card window (all editions — 12); reveals the comments column if hidden and focuses the composer — 05 ▸ The comments column |
| File | Delete | ⌘⌫ | Board window, any card or lane selection — staged by place (resettled 2026-07-28; lanes rejoined 2026-07-29): board cards and lanes move to `.trash/`, trash selections delete permanently (03's recoverability confirm — freight-counting for lanes). Deliberately **not** extended to the card window: an enabled ⌘⌫ key equivalent would steal delete-to-line-start from the window's text surfaces, so there the card's delete is the sidebar Actions button (05) |
| File | Delete Immediately | ⌥⌘⌫ | Board window, any card or lane selection — skips the trash from anywhere; confirmed on boards without git history (mode none / repo-nested), immediate on git boards — 03 ▸ Trash |
| File | Empty Trash… (confirmed) | ⇧⌘⌫ | Board window, trash shown and non-empty (whole-trash scope, search-independent — 03 ▸ Trash) |
@@ -47,6 +48,8 @@ The single source of truth for **every command and action the app can perform**
| Board | Pull / Push | — (no default) | Remote-backed boards only (07); disabled during 06's abnormal-state pause (the whole git surface holds) and on an unresolvable remote (07's one-time remote picker case); popover twins exist |
| View | Show Trash (checkmark toggle) | — (no default) | Board window — ⇧⌘T is deliberately left to the system's Show Tab Bar: window tabbing stays enabled (settled; see Standard macOS furniture), so the chord is the system's; assign one via the remapping mechanism if wanted (04 ▸ Configurable bindings) |
| View | Edit Body (checkmark toggle) | ⌘E | Card window; disabled while Raw Source is active |
| View | Show Comments (checkmark toggle) | — (no default) | Card window; per-window, transient — the column auto-shows when the thread is non-empty (05 ▸ The comments column) |
| View | Comments Beside Body (checkmark toggle) | — (no default) | Card window; checked = side-by-side (default), unchecked = body over comments; app-wide, persisted (05 ▸ Composition) |
| View | Raw Source (checkmark toggle; toggling off = Apply) | ⌥⌘E | Card window |
| View | History | — (no default) | Card window; focuses the sidebar History section (05); git boards only — section absent, item disabled on mode none / repo-nested |
| Window | Welcome to Lanework | — (no default) | Everywhere; shows (or focuses) the welcome window (02 ▸ Launch and window lifecycle) |
@@ -66,6 +69,7 @@ All board grammar keys are inert while a title editor is focused, and menu dispa
| Return | Card window, Preview | Enter Edit |
| Escape | Card window, Edit | Return to Preview |
| Return | Card window, title field | Commit title, focus into body |
| ⌘↩ | Card window, comment composer or inline comment editor focused | Post the draft (rename + restamp, one commit) / end the edit session at its commit point — 05 ▸ The comments column; twinned by the Comment / Save buttons |
| Escape | Card window, title field | Abandon: revert to the on-disk title, focus into body — routes by focus, winning over Edit-mode's Escape while the field is focused (05) |
| Escape / ⌘↩ | Card window, source mode | Cancel / Apply (leaving-by-toggle is Apply too — 05) |
| Arrows / Space / Return / ⌫ | Card window, attachments section focused | Row navigation / QuickLook / open / Remove to *system* Trash (05) |
@@ -90,6 +94,7 @@ Context menus are the per-item action inventory VoiceOver reads (10 ▸ The boar
| Lane | One menu, invoked on the header or lane empty space (settled — a full lane still has its header): Rename, Style…, quick-style recents row (03), Width control (stepper — menu twins Increase/Decrease Lane Width), Delete — with the same ⌥-alternate Delete Immediately. The trash needs no alternate: its Delete is already permanent |
| Trash selection | Delete (permanent — 03's recoverability confirm), Reveal in Finder (inspection before a purge; twin of File ▸ Reveal in Finder, not edit-shaped, enabled on trash selections — 04 ▸ The trash) |
| Attachment row | Open, Remove (system Trash) — twins of the focused section's grammar keys (Return / ⌫ — 05); Reveal in Finder — twin of File ▸ Reveal in Finder in its attachments-focused context |
| Comment | Edit (inline session — 05 ▸ The comments column), Delete (immediate, undoable — 01), Reveal in Finder |
| Welcome recent | Open, Reveal in Finder, Forget (C — registry management, welcome-scoped) |
## Configuration controls (C)
@@ -98,6 +103,7 @@ Context menus are the per-item action inventory VoiceOver reads (10 ▸ The boar
- **Style editor** (three anchors — 03 ▸ Styling ▸ Controls): grids arrow-navigable, every well Tab-reachable.
- **Template chooser** (09): template selection; Reveal in Finder for the user store.
- **Welcome** (03): recents list; Forget.
- **Comments header** (05 ▸ The comments column): the sort-direction control (ascending/descending, app-wide persisted) — Tab-reachable beside the count.
## Standard macOS furniture
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- **Lanework** (base) — no git integration. Boards are plain folders (mode `none` everywhere); undo/redo is macOS-native (13-native-undo.md). The full board experience: lanes, cards, styling, trash, attachments, card window, templates, agents, accessibility.
- **Lanework Pro** — git integration as designed in 06-history-undo.md and 07-sync-collab.md: opt-in init, adoption, git-backed undo/history, branches, remotes, pull/push, auth. Plus Pro-only differentiators (matrix below).
- **Lanework Teams** — Pro plus tracker integration over the reserved enhanced schema (`remote`/`remote-state`, `comments/` — 01-storage-format.md). **Deferred** — months out, no design pass yet; this doc only keeps the seam honest.
- **Lanework Teams** — Pro plus tracker integration over the reserved enhanced schema (`remote`/`remote-state`, and tracker-*synced* comment threads — comments themselves ship in every edition, 01-storage-format.md / 05-card-window.md). **Deferred** — months out, no design pass yet; this doc only keeps the seam honest.
Why a real split and not feature flags: the editions differ at the binary level — base ships without libgit2 and without the network-client entitlement; Pro links git machinery and talks to remotes. And the strategic reason (settled): Teams' card sync must be **backend-agnostic** — it has to work over git and over a range of trackers — so history and sync must sit behind a genuine provider seam. Base's native undo is the first proof the seam is real: two working history providers before a third arrives.
@@ -44,7 +44,7 @@ The feature sort. Everything not listed rides with "board experience" and is ide
| Board experience: lanes, cards, drag & drop, keyboard map, clipboard, search, styling, trash, attachments, card window, templates, welcome screen | ✓ | ✓ | ✓ |
| Agent integration: agent guide, `modified-by` attribution, tolerance rules | ✓ | ✓ | ✓ |
| Accessibility (10-accessibility.md, all of it) | ✓ | ✓ | ✓ |
| Comments (post-2.0 design pass; per the standing decision, **all editions**) | ✓ (future) | ✓ (future) | ✓ (future) |
| Comments (designed 2026-07-29 — 01 ▸ Enhanced schema + 05 ▸ The comments column; ships post-2.0) | ✓ | ✓ | ✓ + tracker-synced threads |
| Undo/redo | native (13) | git (06) | git (06) |
| Undo of foreign/agent edits | — (honest gap, 13) | ✓ (stack absorbs foreign commits) | ✓ |
| Overwrite protection (flush-before-overwrite, both-versions-as-commits) | — (07's accepted caveat is permanent here; trash + native undo are the safety story) | ✓ | ✓ |