…k, hover text reveal, dismiss-all

Component (apps/sim/components/emcn/components/toast/toast.tsx):
- Variants default/info/success/warning/error, each with a distinct outline
  icon (CircleAlert/TriangleAlert/CircleCheck/Info/Bell) rendered inline with
  the message in a neutral color — no badge; intent reads from icon + copy.
- Stacking modeled on Sonner/Base-UI: a collapsed pile that fans open upward
  only when the cards are hovered. One fixed-duration expo-out tween drives all
  cards so rapid arrivals move in unison (no lagging card); cards arrive
  collapsed (expand is scoped to a wrapper around the cards, not the dismiss
  control).
- Title vs subtext hierarchy: message is a medium, primary-color title; the
  optional description is lighter/smaller subtext.
- Truncated text reveals its hidden lines on hover (RevealText): only the
  previously hidden lines blur in; the card height tracks the content so the
  action button stays pinned (no clipping). Larger bottom gradient fade hints
  at more text.
- Concentric corner radius (16px = chip 8px + 8px padding); single-line cards
  use a tighter 12px so they don't read as pills.
- Dismiss-all control: a small circular chip just outside the stack's
  bottom-left, shown at 2+ toasts. Linear auto-dismiss ring that restarts on
  each new arrival, pauses on hover, click to clear all; spring 'pop' entrance.
- Bug fixes: route-scoped clearing (toasts no longer trail across navigation),
  dedup of the add/update double-fire, actionable toasts persist by default.

Source/usage:
- stores/terminal/console/store.ts: notifyBlockError now passes the block name
  as the title and the error as the description (title/subtext), plus the dedup
  window.
- app/playground/page.tsx: Toast section added to the EMCN gallery.
- New EMCN icons: circle-alert, circle-check, info, triangle-alert.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

…llery tooling

- New MessageCircle glyph in the emcn house style (24px viewBox, 1.55 stroke),
  filling a lucide-only gap from the audit; now used for the chat surfaces
- Icon design worklist + lucide->emcn migration map docs for the redesign pass
- render-icon-gallery script + generated gallery for side-by-side review

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…page wiring

- Activity view components (agent identity, parallel agents, shimmer status)
  with model + tests, plus a standalone /activity-preview render harness
- Chat resource persistence/types extended through the copilot contract,
  post handler, and resource tool handlers
- Embedded pages (Tables, Knowledge, Integrations) accept open-callbacks so
  the chat resource panel can navigate within tabs instead of routing away
- Chat history list extracted into a shared searchable, recency-bucketed
  component used by the All Chats tray and the title-bar switcher

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…anel design pass

Sidebar / chrome:
- Remove the sidebar's Chats section and the collapsed icon rail entirely;
  collapsing now hides the menu to zero width and the content goes full-bleed
- Single SidebarToggle lives at the top-left of page title bars (both states);
  hovering it while collapsed opens the menu as a popover-styled, content-fit
  flyout anchored below the bar; clicking pins the sidebar open
- Flyout pins open while popups launched from it (workspace menu) are showing
- "New chat" nav item swaps the house icon for the new MessageCircle

Chat view:
- ChatTitleBar always renders (incl. new-chat view) with a "Chats / {title}"
  breadcrumb switcher; close (x) hides the chat pane while the resource panel
  takes full width and the switcher moves inline into the tabs bar
- ChatSwitcher promoted to a workspace-level control rendered on every page
  header (Tables/Files/Knowledge/Scheduled/Logs via ResourceHeader) and
  floating on the workflow canvas, so chats are reachable from anywhere
- Guardrails: chat pane restores when the resource panel closes; embedded
  pages suppress duplicate chrome via SidebarToggleHidden context

Design pass:
- Resource tabs become ghost chips (30px, rounded-lg, active surface) in a
  44px bar matching the chat title bar; icon buttons unified at 30px with
  surface-active hover; 7px equal-distance edge insets for all pill controls
- Chat dropdown matches the flyout anchor rhythm (6px below bar, 8px inset);
  emcn PopoverContent gains an alignOffset passthrough

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

- Fixed 44px bar (was padding-derived) with a unified 16px gutter across the
  breadcrumb and title-only variants
- Sidebar toggle and right-edge actions pull out 9px so their hover pills sit
  7px from the panel edge, equal to the pill's vertical clearance
- Action/create buttons standardized to the 30px rounded-lg pill with
  surface-active hover, matching every other title-bar control

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…rumb group

The sidebar toggle's 9px pull-out was clipped by the breadcrumb container's
overflow-hidden; the toggle and chat switcher now sit beside it instead.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Orchestration failures previously persisted nothing for the assistant turn —
the post-stream history refetch then silently erased the streamed activity,
leaving the user staring at their own message with no explanation.

- withErrorContentBlock mirrors the cancelled-turn pattern: keeps partial
  content/tool blocks and appends an inline <mothership-error> tag (already
  understood by the message renderer) plus a terminal error-status block
- Both failure paths persist: orchestration-returned failures keep their
  partial work; thrown errors persist a minimal errored turn

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…, never replace

Switching chats no longer swaps the resource panel's tab set. Tabs now behave
like browser tabs, owned by the user per workspace; chats relate to artifacts
by provenance, not containment:

- New persisted mothership-tabs store (tabs + active per workspace); entering
  a chat merges its artifacts additively (deduped) and focuses its last-touched
  one, never closing what's already open
- Tabs the active chat surfaced carry a provenance dot (hidden on hover/active)
- Closing/reordering tabs is session-only and no longer mutates the chat's
  persisted resources; closed tabs stay closed for the rest of the chat visit
  and re-open on re-entry
- Manual attaches (+ dropdown, context chips) still record provenance on the
  open chat via the existing persistence path
- Ephemeral resources (streaming previews) stay chat-scoped and unpersisted;
  panel expand/collapse + chat-pane guardrails now key off the strip

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

… scroll the strip

Horizontal trackpad swipes carry a small deltaY, so the deltaY-only handler
preventDefault()'d the native pan and scrolled by the jitter amount instead.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…mpressed tabs, switcher dropdown

The panel bar now mirrors the chat pane: one prominent identity chip per pane.

- Active resource renders as a title chip (icon + full name + chevron) whose
  dropdown lists every open tab, grouped "From this chat" / "Other open tabs"
  with hover close controls — provenance moved here from the per-tab dots
- Inactive tabs compress browser-style (max-width truncation, icon always
  visible); beyond five they collapse into a +N chip instead of scroll-clipping;
  the strip's scroll/edge-scroll machinery is gone
- Dots now mean "changed while unfocused": a chat's artifacts merge in marked
  unseen except the focused one, and viewing or closing a tab clears it
- Standalone pages (ResourceHeader, workflow canvas) demote the chat switcher
  to an icon-only chip so the page title owns the bar

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…y for the true remainder

Replaces the fixed five-tab cap with measured capacity: the strip and the
name-dependent title chip are observed (ResizeObserver, with a window-resize
fallback), and whole tab slots are fitted into the remaining width. Zero-width
measurements (panel collapsed or mid-expand-animation) are ignored so a bogus
early measure can't collapse everything into the dropdown, and capacity starts
permissive until the first trustworthy layout pass.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…down, +N lists only hidden tabs

The all-tabs switcher dropdown duplicated the strip and made +N feel like a
third concept. Now every tab lives in exactly one place: the active resource
is a plain title chip, visible tabs switch by clicking, and the +N chip is the
only dropdown, listing just the tabs that didn't fit. Selecting one promotes
it to active, so it leaves the overflow naturally.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…asured width, overflow the rest

Replaces the fixed 84px slot estimate (which squeezed labels even with room to
spare) with real per-tab measurement: a hidden measuring row renders every
inactive tab at natural width, and the capacity pass greedily fits whole tabs
into the strip, sending only the true remainder to +N. Inline labels keep a
240px ceiling purely as a pathological-name guard, mirrored in measurement so
render and fitting agree.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…lumbing

Removes the unfocused-change indicator from inline tabs and switcher rows,
along with the updatedTabKeys state, marking, and clearing in home. Also
escapes a literal NUL byte that had crept into the namesKey join separator.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…between bars

The pair rendered as loose children of each bar, inheriting whichever gap that
bar used (gap-1 in the chat title bar, gap-1.5 in the tab strip, gap-2 in the
resource header) — so the switcher drifted a couple of pixels when the chat
pane closed or across pages. It now lives in its own gap-1 cluster everywhere,
keeping the toggle at 7px and the switcher at 41px in every state.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…ons the strip

Drops the spotlight-first layout (clicking a tab yanked it to the left edge).
Tabs now render in strip order with the active one highlighted where it sits.
The width fit runs over the ordered list; if the active tab lands beyond the
fit (e.g. picked from the +N dropdown), it surfaces at the end of the visible
row with its width reserved, since it has no inline position to keep.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…'s chrome

Container now keeps the popover's canonical 6px inset and rounded-xl instead
of a p-0 override with its own 8px padding; rows drop to the canonical 13px
text with the 2px row gap; the forced 240px min-width goes down to 180 so the
dropdown hugs its content.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…used panel tab

Selecting a chat from a resource page used to teleport to the chat view with
whatever the strip last held — the one thing missing was the page you were on.
The switcher now derives the page's resource from the pathname (page tabs for
tables/knowledge/logs/scheduled-tasks, item tabs for table/KB/workflow detail
routes), opens it focused in the workspace strip, and navigates with
?resource= pinned. The chat-entry merge respects that pin: a URL-pinned
resource that isn't one of the chat's artifacts keeps focus instead of being
displaced by the chat's most recent artifact.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…no reserved tab width

Tabs carried a permanent 20px right padding for the hover ×, leaving dead
space on idle tabs. The × now overlays the label's tail on hover, sitting on
a gradient fade of the hover fill so it stays readable; idle tabs keep the
chip's symmetric padding and their width never changes on hover. The hidden
measuring row drops the same padding so fitting stays in sync.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…rive the panel again

Asking the agent to "switch to Telecom_Leads_CRM" answered in prose but never
moved the panel. use-chat still carried the old focus-on-touch logic via its
internal setActiveResourceId, but the workspace tab-store migration orphaned
that state — nothing rendered it. Adds an onResourceTouched(resource) callback
fired at the three touch sites (stream resource ops, successful Read tool
calls, workflow activation), regardless of whether the resource was already an
artifact; home bridges it to the tab store with openTabs + focus, so the panel
follows the conversation. File-streaming suppression is respected.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

…clipping

Wraps the message scroller in a relative container and overlays a 40px
bottom strip — a bg gradient plus the faintest backdrop blur, both masked to
ramp in toward the edge — so scrolled content dissolves above the input
rather than cutting off at the scroller boundary. Applies to both chat
layouts; pointer-events pass through.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Replace the icon system with self-hosted Hugeicons (free, stroke-rounded)
vendored into @/components/emcn/icons — zero runtime icon deps.

- Vendor 150+ icons from @hugeicons/core-free-icons into the emcn barrel via
  scripts/hugeicons-map.ts + scripts/hugeicons-generate.ts (dev-only source).
  Icons gain a `size` prop; 4 bespoke animated icons (Loader, RefreshCw,
  Download, Layout) kept custom.
- Migrate ~172 consumers off lucide-react to the emcn barrel; remove
  lucide-react dependency entirely (Github brand logo -> @/components/icons).
- Fix chevron sizing: replace ~24 non-square classes (h-[6px] w-[10px], tuned
  to the dead 10x6 viewBox) with canonical size-[14px].
- Sidebar/chat icon updates: Table->TableIcon, knowledge base->DatabaseIcon,
  Files nav->File, scheduled tasks->CalendarClock, Logs->ThirdBracketSquare,
  PanelLeft/PanelRight, BubbleChatDelay/Spark for the two chat bubbles.
- Send buttons -> ArrowUp02; integration row arrows -> ArrowRight02.
- Workflow icon -> WorkflowSquare04; Integrations -> Plug02.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

…et thumb

The list scroller sat inside the panel's 8px gutter, so the full-width global
scrollbar floated mid-panel and read as a fat dead column. The scroller now
bleeds to the dropdown edge (-mx-2/px-2, the workspace dropdown's pattern) so
the scrollbar occupies the former padding, and the thumb is clipped to a 4px
pill inset 2px from the edge (transparent border + content-box clip), with
scrollbar-width:thin for Firefox. Row alignment is unchanged.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Replace the icon system with self-hosted Hugeicons (free, stroke-rounded)
vendored into @/components/emcn/icons — zero runtime icon deps.

- Vendor 150+ icons from @hugeicons/core-free-icons into the emcn barrel via
  scripts/hugeicons-map.ts + scripts/hugeicons-generate.ts (dev-only source).
  Icons gain a `size` prop; 4 bespoke animated icons (Loader, RefreshCw,
  Download, Layout) kept custom.
- Migrate ~172 consumers off lucide-react to the emcn barrel; remove
  lucide-react dependency entirely (Github brand logo -> @/components/icons).
- Fix chevron sizing: replace ~24 non-square classes (h-[6px] w-[10px], tuned
  to the dead 10x6 viewBox) with canonical size-[14px].
- Sidebar/chat icon updates: Table->TableIcon, knowledge base->DatabaseIcon,
  Files nav->File, scheduled tasks->CalendarClock, Logs->ThirdBracketSquare,
  PanelLeft/PanelRight, BubbleChatDelay/Spark for the two chat bubbles.
- Send buttons -> ArrowUp02; integration row arrows -> ArrowRight02.
- Workflow icon -> WorkflowSquare08; Integrations -> Plug02.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>