frontend/src/projects.tsx — strip the legacy 3-select toolbar; replace with
search input + view-mode segment-control (Tree | Liste) + chip filter row
(Alle / Nur meine / Angepinnt / Status / Typ / Mit aktiven Fristen). Tree
container is the default visible mount; flat-table hidden until view mode
toggles.
frontend/src/client/projects.ts — orchestrator. Owns chip + search + view-
mode state. Last-viewed restore from sessionStorage (Q1 lock-in), URL params
override on load, syncURL on every state change. Debounced search (250ms).
Multi-select panels via <details> for status/type. Delegates rendering to
project-tree.ts (tree mode) or projects-flat.ts (flat mode).
frontend/src/client/projects-flat.ts (NEW) — extracted table render from the
old projects.ts so the orchestrator can mount/unmount cleanly.
frontend/src/client/project-tree.ts — extends ProjectTreeNode shape with
pinned, inherited_visibility, match_kind, *_subtree fields. Renders pin
star button (always-visible per design §4.6 — touch-friendly), greyed-
ancestor opacity for InheritedVisibility=true, lime backdrop on
match_kind=self. Pin click does optimistic toggle + POST/DELETE
/api/projects/{id}/pin then invalidates the tree cache.
frontend/src/styles/global.css — toolbar + chips + pin star + greyed-
ancestor + match highlighting. ~200 LoC appended.
frontend/src/client/i18n.ts — 29 new keys DE+EN under projects.toolbar.*,
projects.chip.*, projects.tree.deadlines.*, projects.tree.pin/unpin,
projects.search.match.*, projects.empty.filtered.action.
internal/services/pin_service_test.go (NEW) — live-DB tests for PinService
(pin/unpin/idempotent/owner-scope/visibility-gate) + 2 BuildTreeWithOptions
cases (PinnedSet surfaces, ScopeMine greys ancestors). Skips without
TEST_DATABASE_URL; pure-Go path runs clean.
Frontend bun build clean. go build / vet / test (short) clean.
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