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add Vim mode service, mode commands, and status indicator

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T-207, first foundation piece of the Vim layer (T-65 epic). A
VimModeService (ChangeNotifier) owns the normal/insert/visual mode and
mirrors it into the keymap as mutually-exclusive vim.normal/vim.insert/
vim.visual scope flags. Those flags are the public mode interface: the
editor (T-206) will read them to decide insert-vs-command, and vim.yaml
(T-65) guards bindings with `when: vim.*`. Nothing reaches across the
builtin boundary into the service object.

The layer is gated on the active preset — the builtin.vim extension
ties VimModeService.enabled to app.keymap.preset and re-checks on every
keymap reload, so i/v/Esc never hijack input under non-Vim presets. Mode
commands (vim.mode.{normal,insert,visual}) carry no default binding for
the same reason; only vim.yaml binds keys to them. A status-bar item
shows `-- NORMAL --` etc. while enabled.

Exposes KeymapService on the extension context so the layer can publish
scope flags.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
jpmschweitzer
2026-06-01 20:59:01 +02:00
co-authored by Claude Opus 4.8
parent 4aa24a9898
commit 61b969d010
12 changed files with 448 additions and 0 deletions
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.pql/changelog/ticket_history/2026-06.sql
+2
View File
@@ -39,3 +39,5 @@ INSERT INTO ticket_history (ticket_id, field, old_value, new_value, changed_by,
Refinement (2026-06-01): scoped Vim-first for a Vim-power-user demo this weekend. ''Author a YAML file'' was wrong — T-117 shipped single-chord resolution + scope flags + when-clauses only. Decomposed into children: T-204 (fix dead default preset — live bug), T-205 (key-sequence + count resolution), T-206 (modal editor motion/edit intents), T-207 (Vim mode service + status indicator). T-65 itself becomes assets/keymaps/vim.yaml + regression tests once children land. T-64/T-66 deferred (single-chord, easy; T-205 hands JetBrains shift+shift later). Foundation is shared, not Vim-only.', NULL, '2026-06-01 18:49:02', '2026-06-01 18:49:02', '2026-06-01 18:49:02', NULL, '3f379507780d78aa9f76b28f4a5c3179', 1) ON CONFLICT(hash) DO NOTHING;
INSERT INTO ticket_history (ticket_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('T-204', 'status', 'backlog', 'in_progress', NULL, '2026-06-01 18:49:17', '2026-06-01 18:49:17', '2026-06-01 18:49:17', NULL, 'b3a889c39a03676489bf19b8d3343cf9', 1) ON CONFLICT(hash) DO NOTHING;
INSERT INTO ticket_history (ticket_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('T-207', 'status', 'backlog', 'in_progress', NULL, '2026-06-01 18:51:08', '2026-06-01 18:51:08', '2026-06-01 18:51:08', NULL, 'cbbf55fdf6ac11f3146f41d0a6c0ad2f', 1) ON CONFLICT(hash) DO NOTHING;
INSERT INTO ticket_history (ticket_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('T-204', 'status', 'in_progress', 'done', NULL, '2026-06-01 18:51:08', '2026-06-01 18:51:08', '2026-06-01 18:51:08', NULL, 'f9fbf947660b802f85c45290c6e7a9c2', 1) ON CONFLICT(hash) DO NOTHING;
.pql/changelog/tickets/2026-06.sql
+2
View File
@@ -29,3 +29,5 @@ INSERT INTO tickets (id, type, parent_id, title, description, status, priority,
Refinement (2026-06-01): scoped Vim-first for a Vim-power-user demo this weekend. ''Author a YAML file'' was wrong — T-117 shipped single-chord resolution + scope flags + when-clauses only. Decomposed into children: T-204 (fix dead default preset — live bug), T-205 (key-sequence + count resolution), T-206 (modal editor motion/edit intents), T-207 (Vim mode service + status indicator). T-65 itself becomes assets/keymaps/vim.yaml + regression tests once children land. T-64/T-66 deferred (single-chord, easy; T-205 hands JetBrains shift+shift later). Foundation is shared, not Vim-only.', 'backlog', 'medium', NULL, NULL, NULL, '2026-04-24 06:34:16', '2026-06-01 18:49:02', NULL, '8a7f2eee186a7824893e7f2d22604156', 1) ON CONFLICT(id) DO UPDATE SET type=excluded.type, parent_id=excluded.parent_id, title=excluded.title, description=excluded.description, status=excluded.status, priority=excluded.priority, assigned_to=excluded.assigned_to, team=excluded.team, decision_ref=excluded.decision_ref, updated_at=excluded.updated_at, deleted_at=excluded.deleted_at, hash=excluded.hash, canonical_version=excluded.canonical_version WHERE excluded.updated_at > tickets.updated_at OR (excluded.updated_at = tickets.updated_at AND excluded.hash > tickets.hash);
INSERT INTO tickets (id, type, parent_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('T-204', 'task', 'T-65', 'Fix dead default keymap: focus.next/previous undefined drops whole preset', 'The keymap loader catches FormatException from preset parsing and silently sets _preset=null (keymap_service.dart load()). default.yaml binds tab->focus.next and shift+tab->focus.previous, but neither id exists in builtinIntents (only focus.nextPanel/previousPanel). parseIntentId returns null -> KeymapLayer.fromYaml throws -> the ENTIRE default preset is dropped at boot. So palette (ctrl+shift+p), quick-open (ctrl+p), find-in-files, and text-scale bindings are all dead at runtime. Uncaught because every keymap_service_test injects a synthetic bundle; the real asset is never parsed. Fix: add focus.next->NextFocusIntent and focus.previous->PreviousFocusIntent (Flutter-provided, like activate/dismiss) to builtinIntents so Tab does correct widget focus traversal; add a test that loads the REAL assets/keymaps/default.yaml and asserts it parses with the expected binding count, as a regression guard for every shipped preset.', 'in_progress', 'high', NULL, NULL, NULL, '2026-06-01 18:48:19', '2026-06-01 18:49:17', NULL, '01fc224dd1bef50e6c42340ec3a3d81f', 1) ON CONFLICT(id) DO UPDATE SET type=excluded.type, parent_id=excluded.parent_id, title=excluded.title, description=excluded.description, status=excluded.status, priority=excluded.priority, assigned_to=excluded.assigned_to, team=excluded.team, decision_ref=excluded.decision_ref, updated_at=excluded.updated_at, deleted_at=excluded.deleted_at, hash=excluded.hash, canonical_version=excluded.canonical_version WHERE excluded.updated_at > tickets.updated_at OR (excluded.updated_at = tickets.updated_at AND excluded.hash > tickets.hash);
INSERT INTO tickets (id, type, parent_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('T-207', 'story', 'T-65', 'Vim mode service + status-bar mode indicator', 'A small mode-tracking service (ChangeNotifier) that owns the current Vim mode (normal/insert/visual), publishes vim.normal / vim.insert / vim.visual scope flags via KeymapService.setScopeFlag, and exposes the mode to the editor (T-206) and a status-bar indicator (-- NORMAL -- / -- INSERT -- / -- VISUAL --). Handles transitions: Esc -> normal (from any mode); i/a/o/I/A -> insert (from normal); v -> visual (from normal); colon -> command-line indicator (stretch). Resets to normal on editor focus by default (configurable). The when-clause grammar already supports dotted flags (vim.normal && editor.focused), confirmed in when_clause.dart. Service is a pure ChangeNotifier with no deps; fits in lib/kernel/src/keymap/ or as an editor builtin piece. Acceptance: setPreset(''vim'') + this service produce correct mode transitions; a regression test asserts i->insert and Esc->normal flip the scope flags; the status bar reflects mode.', 'in_progress', 'high', NULL, NULL, NULL, '2026-06-01 18:48:47', '2026-06-01 18:51:08', NULL, '387db5a29a081da46a96dcb8672ccb79', 1) ON CONFLICT(id) DO UPDATE SET type=excluded.type, parent_id=excluded.parent_id, title=excluded.title, description=excluded.description, status=excluded.status, priority=excluded.priority, assigned_to=excluded.assigned_to, team=excluded.team, decision_ref=excluded.decision_ref, updated_at=excluded.updated_at, deleted_at=excluded.deleted_at, hash=excluded.hash, canonical_version=excluded.canonical_version WHERE excluded.updated_at > tickets.updated_at OR (excluded.updated_at = tickets.updated_at AND excluded.hash > tickets.hash);
INSERT INTO tickets (id, type, parent_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('T-204', 'task', 'T-65', 'Fix dead default keymap: focus.next/previous undefined drops whole preset', 'The keymap loader catches FormatException from preset parsing and silently sets _preset=null (keymap_service.dart load()). default.yaml binds tab->focus.next and shift+tab->focus.previous, but neither id exists in builtinIntents (only focus.nextPanel/previousPanel). parseIntentId returns null -> KeymapLayer.fromYaml throws -> the ENTIRE default preset is dropped at boot. So palette (ctrl+shift+p), quick-open (ctrl+p), find-in-files, and text-scale bindings are all dead at runtime. Uncaught because every keymap_service_test injects a synthetic bundle; the real asset is never parsed. Fix: add focus.next->NextFocusIntent and focus.previous->PreviousFocusIntent (Flutter-provided, like activate/dismiss) to builtinIntents so Tab does correct widget focus traversal; add a test that loads the REAL assets/keymaps/default.yaml and asserts it parses with the expected binding count, as a regression guard for every shipped preset.', 'done', 'high', NULL, NULL, NULL, '2026-06-01 18:48:19', '2026-06-01 18:51:08', NULL, 'b335e35e5d0f4c3cb267d1b9573c1434', 1) ON CONFLICT(id) DO UPDATE SET type=excluded.type, parent_id=excluded.parent_id, title=excluded.title, description=excluded.description, status=excluded.status, priority=excluded.priority, assigned_to=excluded.assigned_to, team=excluded.team, decision_ref=excluded.decision_ref, updated_at=excluded.updated_at, deleted_at=excluded.deleted_at, hash=excluded.hash, canonical_version=excluded.canonical_version WHERE excluded.updated_at > tickets.updated_at OR (excluded.updated_at = tickets.updated_at AND excluded.hash > tickets.hash);