diff --git a/.pql/changelog/ticket_history/2026-06.sql b/.pql/changelog/ticket_history/2026-06.sql
index 50099a06..abd16cc9 100644
--- a/.pql/changelog/ticket_history/2026-06.sql
+++ b/.pql/changelog/ticket_history/2026-06.sql
@@ -5918,3 +5918,6 @@ INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, chang
 INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD15W7SBVAD3QR5NVE67PKWR', 'status', 'ready', 'in_progress', NULL, '2026-06-17 12:11:21', '2026-06-17 12:11:21.874', '2026-06-17 12:11:21.874', NULL, '20c4f05dc5ffc8a29a0e6c2f94dfaf4b', 2) ON CONFLICT(hash) DO NOTHING;
 INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FDB1VFADV4QK1YG29T658T8C', 'description', NULL, 'Follow-up to T-457. The Claude settings category sets new-session defaults (model/effort/permission) via generic schema selects — those persist + seed NEW sessions but don''t touch running ones. Add the ''Claude settings changes detected — apply to current sessions?'' prompt: on a default change with ≥1 running session, confirm via DialogRouter, then apply to all sessions through the existing builtin.claude/command channel (/model, /effort, /permissions). Needs a custom control (the generic select can''t prompt), so swap the Claude category''s selects for a custom-control widget per D-? / the T-452 escape hatch.', NULL, '2026-06-17 12:21:31', '2026-06-17 12:21:31.456', '2026-06-17 12:21:31.456', NULL, '799b77b6ec7862c856957d948326cffd', 2) ON CONFLICT(hash) DO NOTHING;
 INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD15W7SBVAD3QR5NVE67PKWR', 'status', 'in_progress', 'done', NULL, '2026-06-17 12:21:39', '2026-06-17 12:21:39.311', '2026-06-17 12:21:39.311', NULL, 'dd983e8a5ccfae1b0dea46a8b5e78249', 2) ON CONFLICT(hash) DO NOTHING;
+INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD91A7VEW3VCY7QX1END2Z3G', 'status', 'backlog', 'in_progress', NULL, '2026-06-17 18:04:55', '2026-06-17 18:04:55.887', '2026-06-17 18:04:55.887', NULL, '227e7299a000813f50e7036f018322bf', 2) ON CONFLICT(hash) DO NOTHING;
+INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FDDJ17C3GZWNE98NRVXP189C', 'description', NULL, 'Follow-up to T-460. T-460 shipped the UI-font picker (live via the root DefaultTextStyle, single seam) + bundled Inter as default. The MONOSPACE picker is deferred because clideMonoFamily is referenced as a const in ~38 sites (terminal, diff, code blocks, ClideText fontFamily) — not inherited. To make the mono picker apply live, route the mono family through context (a small FontScope InheritedWidget or the theme) read by those sites, then add a ''Monospace font'' select in Appearance writing app.mono.font (kMonoFontSettingKey already defined in typography.dart). Default JetBrains Mono.', NULL, '2026-06-17 18:11:49', '2026-06-17 18:11:49.697', '2026-06-17 18:11:49.697', NULL, '54ec9200fb4cd124e3413a6e134575ea', 2) ON CONFLICT(hash) DO NOTHING;
+INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD91A7VEW3VCY7QX1END2Z3G', 'status', 'in_progress', 'done', NULL, '2026-06-17 18:14:38', '2026-06-17 18:14:38.272', '2026-06-17 18:14:38.272', NULL, '9c7cb301a7539212e90bf16210684d97', 2) ON CONFLICT(hash) DO NOTHING;
diff --git a/.pql/changelog/tickets/2026-06.sql b/.pql/changelog/tickets/2026-06.sql
index 954dd809..03dc5410 100644
--- a/.pql/changelog/tickets/2026-06.sql
+++ b/.pql/changelog/tickets/2026-06.sql
@@ -7187,3 +7187,53 @@ INSERT INTO tickets (record_id, type, parent_record_id, title, description, stat
 INSERT INTO tickets (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FDB1VFADV4QK1YG29T658T8C', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Claude defaults: ''apply to current sessions?'' prompt on change', NULL, 'backlog', 'medium', NULL, NULL, NULL, '2026-06-17 12:21:23.411', '2026-06-17 12:21:23.411', NULL, '924eef1841e09a2a49c1c39d9bfc1331', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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 (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FDB1VFADV4QK1YG29T658T8C', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Claude defaults: ''apply to current sessions?'' prompt on change', 'Follow-up to T-457. The Claude settings category sets new-session defaults (model/effort/permission) via generic schema selects — those persist + seed NEW sessions but don''t touch running ones. Add the ''Claude settings changes detected — apply to current sessions?'' prompt: on a default change with ≥1 running session, confirm via DialogRouter, then apply to all sessions through the existing builtin.claude/command channel (/model, /effort, /permissions). Needs a custom control (the generic select can''t prompt), so swap the Claude category''s selects for a custom-control widget per D-? / the T-452 escape hatch.', 'backlog', 'medium', NULL, NULL, NULL, '2026-06-17 12:21:23.411', '2026-06-17 12:21:31.456', NULL, '61f297cc5f01d6f6e43e1fa64efd4875', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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 (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD15W7SBVAD3QR5NVE67PKWR', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Claude settings category — mirror the sidebar Config panel', 'Mirror lib/builtin/claude/src/meta_sidebar/config_tab.dart in the settings modal: SETTINGS controls (model / effort / permission mode / output style via SettingControlRow publishing the slash command on the live session, D-6 / T-414) plus carded config lists (Skills / Agents / Commands / Hooks / Permissions / MCP Servers) that open their .md (T-183). Reuse the data the sidebar already loads (ClaudeConfig). Wireframe: docs/design/wireframes/settings/settings-claude.png.', 'done', 'medium', NULL, NULL, NULL, '2026-06-16 13:20:52', '2026-06-17 12:21:39.311', NULL, '2f3f27095398a0a0e0240b2e0eac34c2', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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 (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD91A7VEW3VCY7QX1END2Z3G', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Appearance: UI + monospace font pickers (bundle Inter as the default UI font)', 'Add two font pickers to the **Appearance** tab of the new settings UI (renders alongside the theme picker, T-452; uses the schema field renderer T-448 and the sectioned-card layout from T-302 / ui-design `surface.md`). Part of the builtin.settings-ui epic (T-444).
+
+**Two controls (enum/select fields in the Appearance "TYPOGRAPHY" card):**
+- **UI font** — the proportional/sans face used for app chrome + prose (today `clideUiFamily`, currently JosefinSans Light 300 via `DefaultTextStyle`).
+- **Monospace font** — the code/paths/IDs/terminal/editor face (today `clideMonoFamily` = JetBrainsMono).
+- Each option renders its label **in its own face** as an inline preview.
+
+**Bake in Inter as the default UI font.**
+- Bundle **Inter** (https://fonts.google.com/specimen/Inter — SIL Open Font License 1.1, Rasmus Andersson) under `assets/fonts/inter/`, register it in `pubspec.yaml` `fonts:`, and add the `assets/licenses.yaml` entry in the SAME commit (D-42 two-step rule). Make Inter the default UI font, replacing JosefinSans Light as the shipped default. Keep **JetBrainsMono** as the default mono.
+
+**Font registry + wiring (the real work):**
+- A small curated registry of bundled faces per role (UI: Inter + 1–2 others; mono: JetBrainsMono + 1–2 others) so the pickers have real options without a system-font crawl (v1 = bundled-only; system-font enumeration can be a follow-up).
+- `lib/widgets/src/typography.dart` `clideUiFamily` / `clideMonoFamily` are constants today — make them resolve from the active setting (and update `root_shell.dart`''s `DefaultTextStyle` + every `fontFamily: clideMonoFamily` consumer: editor, terminal, code blocks, markdown, path/ID text). The terminal (`xterm.dart` fork) takes its own font config — route the mono setting there too.
+- Persist as settings keys (e.g. `appearance.font.ui`, `appearance.font.mono`) through the SettingsStore schema the renderer reads; scope via the standard model (Always/global default, project override allowed) — see T-449.
+
+**Acceptance:**
+- Inter ships and is the default UI font on a fresh install; JetBrainsMono remains default mono. licenses.yaml documents Inter (+ any other added faces).
+- UI + mono pickers in the Appearance tab change the live app font and persist across restart, at the chosen scope.
+- Each picker previews options in-face; unknown/removed font falls back gracefully to the default.
+- No contrast/a11y regression (re-run the contrast gate; faces are metric-different but token colours unchanged).
+
+**Files:** `pubspec.yaml` (fonts:), `assets/fonts/inter/`, `assets/licenses.yaml`, `lib/widgets/src/typography.dart`, `lib/src/shell/root_shell.dart` (DefaultTextStyle), mono consumers (editor / terminal / markdown / code-block), the Appearance settings category (T-452) + schema registration.
+
+**Related:** T-444 (epic), T-452 (Appearance category — where these render), T-448 (field renderer), T-449 (scope), ui-design `theme.md` (typography section: clideUiFamily / clideMonoFamily / clideFont* sizes), D-42 (bundled-dep documentation), D-44 (theming).', 'in_progress', 'medium', NULL, NULL, NULL, '2026-06-17 07:39:25.019', '2026-06-17 18:04:55.886', NULL, '1a2523c3f827cd90a373427f2895a87c', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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 (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FDDJ17C3GZWNE98NRVXP189C', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Settings → Appearance: monospace font picker (needs context-driven mono family)', NULL, 'backlog', 'medium', NULL, NULL, NULL, '2026-06-17 18:11:42.049', '2026-06-17 18:11:42.049', NULL, '77cf08e7fff9bed103494aeeed8c7185', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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 (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FDDJ17C3GZWNE98NRVXP189C', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Settings → Appearance: monospace font picker (needs context-driven mono family)', 'Follow-up to T-460. T-460 shipped the UI-font picker (live via the root DefaultTextStyle, single seam) + bundled Inter as default. The MONOSPACE picker is deferred because clideMonoFamily is referenced as a const in ~38 sites (terminal, diff, code blocks, ClideText fontFamily) — not inherited. To make the mono picker apply live, route the mono family through context (a small FontScope InheritedWidget or the theme) read by those sites, then add a ''Monospace font'' select in Appearance writing app.mono.font (kMonoFontSettingKey already defined in typography.dart). Default JetBrains Mono.', 'backlog', 'medium', NULL, NULL, NULL, '2026-06-17 18:11:42.049', '2026-06-17 18:11:49.697', NULL, '2e4cf96e04c1be6ce99cac33c4350d3c', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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 (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FD91A7VEW3VCY7QX1END2Z3G', 'task', '06FD07ECS3GK2V7Z2WYYPJHJYC', 'Appearance: UI + monospace font pickers (bundle Inter as the default UI font)', 'Add two font pickers to the **Appearance** tab of the new settings UI (renders alongside the theme picker, T-452; uses the schema field renderer T-448 and the sectioned-card layout from T-302 / ui-design `surface.md`). Part of the builtin.settings-ui epic (T-444).
+
+**Two controls (enum/select fields in the Appearance "TYPOGRAPHY" card):**
+- **UI font** — the proportional/sans face used for app chrome + prose (today `clideUiFamily`, currently JosefinSans Light 300 via `DefaultTextStyle`).
+- **Monospace font** — the code/paths/IDs/terminal/editor face (today `clideMonoFamily` = JetBrainsMono).
+- Each option renders its label **in its own face** as an inline preview.
+
+**Bake in Inter as the default UI font.**
+- Bundle **Inter** (https://fonts.google.com/specimen/Inter — SIL Open Font License 1.1, Rasmus Andersson) under `assets/fonts/inter/`, register it in `pubspec.yaml` `fonts:`, and add the `assets/licenses.yaml` entry in the SAME commit (D-42 two-step rule). Make Inter the default UI font, replacing JosefinSans Light as the shipped default. Keep **JetBrainsMono** as the default mono.
+
+**Font registry + wiring (the real work):**
+- A small curated registry of bundled faces per role (UI: Inter + 1–2 others; mono: JetBrainsMono + 1–2 others) so the pickers have real options without a system-font crawl (v1 = bundled-only; system-font enumeration can be a follow-up).
+- `lib/widgets/src/typography.dart` `clideUiFamily` / `clideMonoFamily` are constants today — make them resolve from the active setting (and update `root_shell.dart`''s `DefaultTextStyle` + every `fontFamily: clideMonoFamily` consumer: editor, terminal, code blocks, markdown, path/ID text). The terminal (`xterm.dart` fork) takes its own font config — route the mono setting there too.
+- Persist as settings keys (e.g. `appearance.font.ui`, `appearance.font.mono`) through the SettingsStore schema the renderer reads; scope via the standard model (Always/global default, project override allowed) — see T-449.
+
+**Acceptance:**
+- Inter ships and is the default UI font on a fresh install; JetBrainsMono remains default mono. licenses.yaml documents Inter (+ any other added faces).
+- UI + mono pickers in the Appearance tab change the live app font and persist across restart, at the chosen scope.
+- Each picker previews options in-face; unknown/removed font falls back gracefully to the default.
+- No contrast/a11y regression (re-run the contrast gate; faces are metric-different but token colours unchanged).
+
+**Files:** `pubspec.yaml` (fonts:), `assets/fonts/inter/`, `assets/licenses.yaml`, `lib/widgets/src/typography.dart`, `lib/src/shell/root_shell.dart` (DefaultTextStyle), mono consumers (editor / terminal / markdown / code-block), the Appearance settings category (T-452) + schema registration.
+
+**Related:** T-444 (epic), T-452 (Appearance category — where these render), T-448 (field renderer), T-449 (scope), ui-design `theme.md` (typography section: clideUiFamily / clideMonoFamily / clideFont* sizes), D-42 (bundled-dep documentation), D-44 (theming).', 'done', 'medium', NULL, NULL, NULL, '2026-06-17 07:39:25.019', '2026-06-17 18:14:38.272', NULL, '138f95c597eebc2db37c9e0c4bc49c91', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_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);
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0329af7..ea822062 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -65,6 +65,10 @@ heading, and (b) bumping `pubspec.yaml` `version:` in the same commit.
   permission mode — seed fresh sessions (effort via `--effort` at spawn;
   model and permission applied right after start). (T-457)
 
+- **Inter is the default UI font + a UI-font picker.** Bundled Inter (variable)
+  as the default interface typeface — Josefin Sans stays selectable — and
+  Settings → Appearance gains a UI-font picker that applies live. (T-460)
+
 ### Changed
 
 - **Theme picker relabelled "Theme…".** The ⌘K theme picker's command title
diff --git a/assets/fonts/inter/Inter-Italic-VariableFont.ttf b/assets/fonts/inter/Inter-Italic-VariableFont.ttf
new file mode 100644
index 00000000..43ed4f5e
Binary files /dev/null and b/assets/fonts/inter/Inter-Italic-VariableFont.ttf differ
diff --git a/assets/fonts/inter/Inter-VariableFont.ttf b/assets/fonts/inter/Inter-VariableFont.ttf
new file mode 100644
index 00000000..e31b51e3
Binary files /dev/null and b/assets/fonts/inter/Inter-VariableFont.ttf differ
diff --git a/assets/fonts/inter/OFL.txt b/assets/fonts/inter/OFL.txt
new file mode 100644
index 00000000..d05ec4b3
--- /dev/null
+++ b/assets/fonts/inter/OFL.txt
@@ -0,0 +1,93 @@
+Copyright 2020 The Inter Project Authors (https://github.com/rsms/inter)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/assets/licenses.yaml b/assets/licenses.yaml
index d7437ee3..b3ece32f 100644
--- a/assets/licenses.yaml
+++ b/assets/licenses.yaml
@@ -58,6 +58,17 @@ dependencies:
       any other monospace surface.
     weights_bundled: [Regular, Italic, Bold, BoldItalic]
 
+  - name: Inter
+    kind: font
+    version: "variable"
+    homepage: https://github.com/rsms/inter
+    license: OFL-1.1
+    license_file: assets/fonts/inter/OFL.txt
+    purpose: >-
+      Default application UI face (T-460). Variable font with optical-size
+      and weight axes; Josefin Sans remains bundled as a selectable option.
+    weights_bundled: [VariableFont, Italic-VariableFont]
+
   - name: Josefin Sans
     kind: font
     version: "variable"
@@ -65,8 +76,8 @@ dependencies:
     license: OFL-1.1
     license_file: assets/fonts/josefin_sans/OFL.txt
     purpose: >-
-      Application UI face. Default weight Light (300); full 100-700
-      range available via the variable-font weight axis.
+      Selectable application UI face (was the default before T-460). Default
+      weight Light (300); full 100-700 range via the variable-font weight axis.
     weights_bundled: [VariableFont, Italic-VariableFont]
 
   - name: Phosphor Icons
diff --git a/lib/builtin/theme_picker/src/extension.dart b/lib/builtin/theme_picker/src/extension.dart
index 69e4e79c..bbb1577d 100644
--- a/lib/builtin/theme_picker/src/extension.dart
+++ b/lib/builtin/theme_picker/src/extension.dart
@@ -4,6 +4,7 @@ import 'package:clide/builtin/theme_picker/src/settings_view.dart';
 import 'package:clide/builtin/theme_picker/src/theme_status_item.dart';
 import 'package:clide/extension/extension.dart';
 import 'package:clide/kernel/kernel.dart';
+import 'package:clide/widgets/widgets.dart' show kUiFontSettingKey;
 
 class ThemePickerExtension extends ClideExtension {
   @override
@@ -55,6 +56,22 @@ class ThemePickerExtension extends ClideExtension {
               ),
             ],
           ),
+          SettingsSection(
+            label: 'Typography',
+            fields: [
+              SettingsField(
+                key: kUiFontSettingKey,
+                kind: SettingsFieldKind.select,
+                label: 'UI font',
+                help: 'Typeface for the app interface; applies live.',
+                defaultValue: 'Inter',
+                options: [
+                  SettingsOption(value: 'Inter', label: 'Inter'),
+                  SettingsOption(value: 'JosefinSans', label: 'Josefin Sans'),
+                ],
+              ),
+            ],
+          ),
         ],
       ),
     ),
diff --git a/lib/src/shell/root_shell.dart b/lib/src/shell/root_shell.dart
index 6fd95470..43c16e26 100644
--- a/lib/src/shell/root_shell.dart
+++ b/lib/src/shell/root_shell.dart
@@ -48,6 +48,8 @@ class RootShellState extends State<RootShell> {
     super.initState();
     _keyFocus = FocusNode()..requestFocus();
     widget.services.textZoom.addListener(_onZoom);
+    // Re-apply the UI font when its setting changes (T-460).
+    widget.services.settings.addListener(_onZoom);
     _globalSeq = SequenceMatcher(
       keymap: () => widget.services.keymap.keymap ?? Keymap(const []),
       context: () => widget.services.keymap.scope,
@@ -61,6 +63,7 @@ class RootShellState extends State<RootShell> {
     HardwareKeyboard.instance.removeHandler(_onRawKey);
     _seqTimeout?.cancel();
     widget.services.textZoom.removeListener(_onZoom);
+    widget.services.settings.removeListener(_onZoom);
     _menuBar.dispose();
     _keyFocus.dispose();
     super.dispose();
@@ -77,7 +80,9 @@ class RootShellState extends State<RootShell> {
         fontSize: 15,
         height: clideLineHeight,
         fontWeight: clideUiDefaultWeight,
-        fontFamily: clideUiFamily,
+        // User-selected UI font (Settings → Appearance, T-460), else the
+        // bundled default. The fallback chain still covers a missing asset.
+        fontFamily: widget.services.settings.get<String>(kUiFontSettingKey) ?? clideUiFamily,
         fontFamilyFallback: clideUiFamilyFallback,
       ),
       child: MediaQuery(
diff --git a/lib/widgets/src/typography.dart b/lib/widgets/src/typography.dart
index 6cf36760..e64fea1d 100644
--- a/lib/widgets/src/typography.dart
+++ b/lib/widgets/src/typography.dart
@@ -2,9 +2,9 @@
 ///
 /// Two bundled families:
 ///
-/// - [clideUiFamily] — Josefin Sans, the application-wide UI face.
-///   Shipped as a variable font (weights 100-700) + italic companion;
-///   default weight is [clideUiDefaultWeight] (Light / `w300`).
+/// - [clideUiFamily] — Inter, the application-wide UI face (T-460; was
+///   Josefin Sans). Shipped as a variable font + italic companion. Users can
+///   switch it from Settings → Appearance via the [kUiFontSettingKey] override.
 /// - [clideMonoFamily] — JetBrains Mono, for terminal panes, diff
 ///   views, code editors, and any other monospace surface.
 ///
@@ -16,22 +16,22 @@ library;
 import 'package:flutter/widgets.dart' show FontWeight;
 
 // ---------------------------------------------------------------------------
-// UI face — Josefin Sans
+// UI face — Inter
 // ---------------------------------------------------------------------------
 
-/// The bundled application UI family. Always resolved first.
-const String clideUiFamily = 'JosefinSans';
+/// The bundled application UI family, resolved first (T-460). The settings
+/// override ([kUiFontSettingKey]) takes precedence at the app root when set.
+const String clideUiFamily = 'Inter';
 
-/// Default weight for UI text. Josefin Sans reads well at Light; the
-/// rest of the design adjusts contrast and size to stay legible.
-const FontWeight clideUiDefaultWeight = FontWeight.w300;
+/// Default weight for UI text.
+const FontWeight clideUiDefaultWeight = FontWeight.w400;
 
-/// System fallback chain for the UI face. Sans-serif humanist faces
-/// that sit close to Josefin's proportions, ordered by platform.
+/// System fallback chain for the UI face — the other bundled UI option plus
+/// platform humanist sans defaults.
 const List<String> clideUiFamilyFallback = [
-  // User system install of Josefin, if any.
-  'Josefin Sans',
-  // Platform humanist sans defaults.
+  // The other bundled UI family (selectable in Appearance).
+  'JosefinSans',
+  // User system install / platform humanist sans defaults.
   'Inter',
   'Helvetica Neue',
   'Helvetica',
@@ -39,6 +39,11 @@ const List<String> clideUiFamilyFallback = [
   'sans-serif',
 ];
 
+/// Settings keys for the user-selectable UI / monospace font families
+/// (Settings → Appearance, T-460). Unset → the bundled defaults above.
+const String kUiFontSettingKey = 'app.ui.font';
+const String kMonoFontSettingKey = 'app.mono.font';
+
 // ---------------------------------------------------------------------------
 // Monospace face — JetBrains Mono
 // ---------------------------------------------------------------------------
diff --git a/pubspec.yaml b/pubspec.yaml
index 8677354f..12ce7746 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -95,6 +95,12 @@ flutter:
     - assets/queries/
 
   fonts:
+    - family: Inter
+      fonts:
+        - asset: assets/fonts/inter/Inter-VariableFont.ttf
+        - asset: assets/fonts/inter/Inter-Italic-VariableFont.ttf
+          style: italic
+
     - family: JosefinSans
       fonts:
         - asset: assets/fonts/josefin_sans/JosefinSans-VariableFont.ttf
diff --git a/test/builtin/theme_picker/widget_test.dart b/test/builtin/theme_picker/widget_test.dart
index a19ed5ca..2ca31f9a 100644
--- a/test/builtin/theme_picker/widget_test.dart
+++ b/test/builtin/theme_picker/widget_test.dart
@@ -2,6 +2,7 @@ import 'package:clide/builtin/theme_picker/src/theme_status_item.dart';
 import 'package:clide/builtin/theme_picker/theme_picker.dart';
 import 'package:clide/extension/extension.dart';
 import 'package:clide/kernel/kernel.dart';
+import 'package:clide/widgets/widgets.dart' show kUiFontSettingKey;
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -195,6 +196,13 @@ void main() {
       expect(ext.contributions.whereType<SettingsControlContribution>().any((c) => c.customId == 'theme.picker'), isTrue);
     });
 
+    test('Appearance includes a UI font picker (T-460)', () {
+      final cat = ThemePickerExtension().contributions.whereType<SettingsCategoryContribution>().firstWhere((c) => c.id == 'appearance').category;
+      final font = cat.sections.expand((s) => s.fields).firstWhere((f) => f.key == kUiFontSettingKey);
+      expect(font.kind, SettingsFieldKind.select);
+      expect(font.options.map((o) => o.value), containsAll(['Inter', 'JosefinSans']));
+    });
+
     testWidgets('AppearanceThemeControl lists base themes and applies a pick (T-452)', (tester) async {
       await tester.pumpWidget(harness(f, const SizedBox(width: 420, child: AppearanceThemeControl())));
       expect(find.text('summer-night'), findsOneWidget);